{"id":37996,"date":"2025-12-17T12:55:07","date_gmt":"2025-12-17T12:55:07","guid":{"rendered":"https:\/\/imperix.com\/doc\/?p=37996"},"modified":"2026-02-26T10:20:46","modified_gmt":"2026-02-26T10:20:46","slug":"peb-800-40","status":"publish","type":"post","link":"https:\/\/imperix.com\/doc\/help\/peb-800-40","title":{"rendered":"PEB-800-40 &#8211; Quick start guide"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-right-text counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/imperix.com\/doc\/help\/peb-800-40\/#Functional-overview\" >Functional overview<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/imperix.com\/doc\/help\/peb-800-40\/#Mechanical-assembly\" >Mechanical assembly<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/imperix.com\/doc\/help\/peb-800-40\/#Protection-and-safety\" >Protection and safety<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/imperix.com\/doc\/help\/peb-800-40\/#Smart-SOA-protection\" >Smart SOA protection<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/imperix.com\/doc\/help\/peb-800-40\/#Overload-capability\" >Overload capability<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/imperix.com\/doc\/help\/peb-800-40\/#Fault-signaling\" >Fault signaling<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/imperix.com\/doc\/help\/peb-800-40\/#Minimum-deadtime\" >Minimum deadtime<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/imperix.com\/doc\/help\/peb-800-40\/#External-protections-with-B-Box-controllers\" >External protections with B-Box controllers<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/imperix.com\/doc\/help\/peb-800-40\/#Sensor-configuration\" >Sensor configuration<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/imperix.com\/doc\/help\/peb-800-40\/#With-B-Box-controllers\" >With B-Box controllers<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/imperix.com\/doc\/help\/peb-800-40\/#With-other-controllers\" >With other controllers<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/imperix.com\/doc\/help\/peb-800-40\/#Application-examples-with-the-PEB-800-40\" >Application examples with the PEB-800-40<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>This article provides essential information for developing power converters using the PEB-800-40 module. It is intended to guide first-time users through the safe and successful construction of power electronics prototypes, offering a clear and structured path for integrating the module into laboratory activities.<\/p>\n\n\n\n<p>The documentation follows a logical implementation sequence, beginning with a functional overview and mechanical assembly requirements. Subsequent sections detail critical system protections, sensor configuration protocols, and provide practical application examples.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Functional-overview\"><\/span>Functional overview<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The <a href=\"https:\/\/imperix.com\/datasheets\/PEB-800-40.pdf\">PEB-800-40 power module<\/a> is constructed with a half-bridge switching cell utilizing two SiC semiconductors. It further incorporates all the necessary components for the rapid implementation of laboratory prototypes, namely:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Isolated gate drivers<\/li>\n\n\n\n<li>Isolated DC bus voltage and phase-leg current sensors<\/li>\n\n\n\n<li>DC bus capacitors with discharge circuit<\/li>\n\n\n\n<li>Protection mechanisms against over-voltage \/ current \/ temperature and 1-1 gating signals<\/li>\n\n\n\n<li>A speed-regulated cooling solution<\/li>\n<\/ul>\n\n\n\n<p>An external controller (e.g. the <a href=\"https:\/\/imperix.com\/products\/control\/rcp-controller\/\">B-Box 4<\/a>) is necessary for running control algorithms and generating PWM signals. It can also retrieve the on-board measurements, permitting system monitoring and closed-loop control.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"482\" height=\"199\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/Structural_schematic.png\" alt=\"Functional schematic of the PEB-800-40\" class=\"wp-image-38335\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/Structural_schematic.png 482w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/Structural_schematic-300x124.png 300w\" sizes=\"auto, (max-width: 482px) 100vw, 482px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mechanical-assembly\"><\/span>Mechanical assembly<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The assembly of power converters with the PEB-800-40 necessitates wiring on both the power and control sides. For this purpose, users are provided with the following elements:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The switching node (AC).<\/li>\n\n\n\n<li>The DC bus positive (DC+), negative (DC-), and mid-point (N) terminals.<\/li>\n\n\n\n<li>Two analog outputs for the on-board sensors I<sub>AC<\/sub> and V<sub>DC<\/sub> (RJ-45 sockets).<\/li>\n\n\n\n<li>Two optical inputs for the high (H) and low (L) PWM gating signals.<\/li>\n\n\n\n<li>An optical fault output.<\/li>\n<\/ul>\n\n\n\n<p>The integrated sensors do not utilize the Ethernet protocol for data transmission; rather, RJ-45 cables are capable of conveying analog signals due to their shielding and twisted-pair construction. A dedicated \u00b115V external supply is required for each onboard sensor, delivered through the RJ-45 cable. B-Box controllers provide this voltage. However, third-party controllers may necessitate an independent power source.<\/p>\n\n\n\n<p>Gating signals are sent through standard 650 nm Plastic Optical Fibers (POF) or Plastic Clad Silica (PCS) fibers. No special coding is required: light &#8216;ON&#8217; applies a positive voltage on the gate; light &#8216;OFF&#8217; applies a negative one. Similarly, the optical fault output is in the light &#8216;OFF&#8217; state to indicate a fault condition. This signal is retrievable by B-Box controllers utilizing an <a href=\"https:\/\/imperix.com\/products\/control\/accessories\/#optical_expansion_board\">Optical Expansion Board<\/a>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"668\" height=\"283\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/peb-connectivity-4.png\" alt=\"Location of power terminals, sensor outputs, and PWM inputs.\" class=\"wp-image-39074\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/peb-connectivity-4.png 668w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/peb-connectivity-4-300x127.png 300w\" sizes=\"auto, (max-width: 668px) 100vw, 668px\" \/><\/figure>\n<\/div>\n\n\n<p>PEB-800-40 modules are compatible with two rack-mounting options: <a href=\"https:\/\/imperix.com\/doc\/help\/open-rack-quick-start-guide\">Type A open racks<\/a> (3U) for easy module access, and <a href=\"https:\/\/imperix.com\/doc\/help\/closed-rack-quick-start-guide\">Type C closed racks<\/a> (4U) for enhanced safety and tool-free power stage wiring via banana connectors.<\/p>\n\n\n<style>.kb-row-layout-id40555_3c327b-65 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id40555_3c327b-65 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id40555_3c327b-65 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);grid-template-columns:repeat(2, minmax(0, 1fr));}.kb-row-layout-id40555_3c327b-65 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id40555_3c327b-65 > .kt-row-column-wrap{grid-template-columns:repeat(2, minmax(0, 1fr));}}@media all and (max-width: 767px){.kb-row-layout-id40555_3c327b-65 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id40555_3c327b-65 alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column40555_4437e2-9e > .kt-inside-inner-col,.kadence-column40555_4437e2-9e > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column40555_4437e2-9e > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column40555_4437e2-9e > .kt-inside-inner-col{flex-direction:column;}.kadence-column40555_4437e2-9e > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column40555_4437e2-9e > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column40555_4437e2-9e{position:relative;}@media all and (max-width: 1024px){.kadence-column40555_4437e2-9e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column40555_4437e2-9e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column40555_4437e2-9e\"><div class=\"kt-inside-inner-col\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"222\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/open_rack.png\" alt=\"PEB-800-40-modules installed in a Type A open rack.\" class=\"wp-image-39031\" style=\"width:300px\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/open_rack.png 400w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/open_rack-300x167.png 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/figure>\n<\/div><\/div><\/div>\n\n\n<style>.kadence-column40555_f5d2ef-f8 > .kt-inside-inner-col,.kadence-column40555_f5d2ef-f8 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column40555_f5d2ef-f8 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column40555_f5d2ef-f8 > .kt-inside-inner-col{flex-direction:column;}.kadence-column40555_f5d2ef-f8 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column40555_f5d2ef-f8 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column40555_f5d2ef-f8{position:relative;}@media all and (max-width: 1024px){.kadence-column40555_f5d2ef-f8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column40555_f5d2ef-f8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column40555_f5d2ef-f8\"><div class=\"kt-inside-inner-col\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"222\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/Power_rack.png\" alt=\"Type C closed rack\" class=\"wp-image-39033\" style=\"width:320px\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/Power_rack.png 400w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/Power_rack-300x167.png 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/figure>\n<\/div><\/div><\/div>\n\n<\/div><\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Protection-and-safety\"><\/span>Protection and safety<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The integrated on-board protection logic safeguards the PEB-800-40 module by continuously monitoring its operational state. Upon fault detection, the system immediately blocks the PWM gating signals. A key feature is that fault conditions are latched, maintaining a safe, inhibited state until a manual fault clearance is performed by the end-user. The monitored fault conditions are summarized below:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Event<\/strong><\/th><th><strong>Flag<\/strong><\/th><th><strong>Fault triggering when<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Over-voltage, or<br>DC bus imbalance<\/td><td>VOLT<\/td><td>V<sub>DC<\/sub> &gt; 850 V<br>V<sub>DC,H<\/sub> or V<sub>DC,L<\/sub> &gt; 450 V<\/td><\/tr><tr><td>Over-current<\/td><td>CURR<\/td><td>Long-term : |I<sub>AC<\/sub>| &gt; |I<sub>SOA<\/sub>(F<sub>SW<\/sub>, V<sub>DC<\/sub>, D<sub>AVG<\/sub>)| (see <a href=\"https:\/\/imperix.com\/doc\/help\/peb-800-40#smart-SOA\">Smart SOA protections<\/a>)<br>Short-term: |I<sub>AC<\/sub>| &gt; 2 x |I<sub>SOA<\/sub>(F<sub>SW<\/sub>, V<sub>DC<\/sub>, D<sub>AVG<\/sub>)| (see <a href=\"https:\/\/imperix.com\/doc\/help\/peb-800-40#overload\">Overload capability<\/a>)<\/td><\/tr><tr><td>MOSFET desaturation<br>1-1 gating signals<\/td><td>DESAT<\/td><td>Excessive drain-source voltage during on-state or shoot-through, or<br>GATE_H = 1 and GATE_L = 1<\/td><\/tr><tr><td>Power supply error<\/td><td>P.SUP.<\/td><td>V<sub>5V<\/sub> &lt; 4.5 V or V<sub>5V<\/sub> &gt; 5.5 V<br>V<sub>12V<\/sub> &lt; 11 V or V<sub>12V<\/sub> &gt; 13 V<\/td><\/tr><tr><td>Cooling error<\/td><td>COOL<\/td><td>T<sub>NTC<\/sub> &gt; 80 \u00b0C<br>Fan speed &lt; 1000\u00b1200 rpm<\/td><\/tr><tr><td>Remote fault<\/td><td>RMT<\/td><td>Triggered remotely or locally<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"smart-SOA\"><span class=\"ez-toc-section\" id=\"Smart-SOA-protection\"><\/span>Smart SOA protection<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Excessive power dissipation in semiconductors poses a risk of permanent damage, necessitating strict adherence to the cooler&#8217;s power budget. Given that switching losses scale with both the switching frequency and the DC bus voltage, derating curves must be considered. Moreover, as an average duty cycle other than 0.5 results in asymmetrical losses between the upper and lower MOSFETs, another associated derating curve is also required. These curves are available in the datasheet and reproduced below for reference. They correspond to the maximum <strong>long-term<\/strong> (steady-state) current ratings.<\/p>\n\n\n\n<p>The PEB-800-40 continuously detects the operating point in real-time and dynamically adjusts the long-term over-current threshold accordingly. This guarantees that the module is always maintained within its Safe Operating Area (SOA).<\/p>\n\n\n<style>.kb-row-layout-id40555_4b2b53-37 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id40555_4b2b53-37 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id40555_4b2b53-37 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:repeat(2, minmax(0, 1fr));}.kb-row-layout-id40555_4b2b53-37 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id40555_4b2b53-37 > .kt-row-column-wrap{grid-template-columns:repeat(2, minmax(0, 1fr));}}@media all and (max-width: 767px){.kb-row-layout-id40555_4b2b53-37 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id40555_4b2b53-37 alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column40555_1265e0-36 > .kt-inside-inner-col,.kadence-column40555_1265e0-36 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column40555_1265e0-36 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column40555_1265e0-36 > .kt-inside-inner-col{flex-direction:column;}.kadence-column40555_1265e0-36 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column40555_1265e0-36 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column40555_1265e0-36{position:relative;}@media all and (max-width: 1024px){.kadence-column40555_1265e0-36 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column40555_1265e0-36 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column40555_1265e0-36\"><div class=\"kt-inside-inner-col\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"330\" height=\"265\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/soa_derating_fsw_extended-1.png\" alt=\"PEB-800-40 derating curve as a function of the DC bus voltage and switching frequency.\" class=\"wp-image-40556\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/soa_derating_fsw_extended-1.png 330w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/soa_derating_fsw_extended-1-300x241.png 300w\" sizes=\"auto, (max-width: 330px) 100vw, 330px\" \/><\/figure>\n<\/div><\/div><\/div>\n\n\n<style>.kadence-column40555_ae948d-7b > .kt-inside-inner-col,.kadence-column40555_ae948d-7b > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column40555_ae948d-7b > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column40555_ae948d-7b > .kt-inside-inner-col{flex-direction:column;}.kadence-column40555_ae948d-7b > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column40555_ae948d-7b > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column40555_ae948d-7b{position:relative;}@media all and (max-width: 1024px){.kadence-column40555_ae948d-7b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column40555_ae948d-7b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column40555_ae948d-7b\"><div class=\"kt-inside-inner-col\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"330\" height=\"265\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/soa_derating_d_extended.png\" alt=\"Derating curve as a function of the average duty cycle\" class=\"wp-image-40554\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/soa_derating_d_extended.png 330w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/soa_derating_d_extended-300x241.png 300w\" sizes=\"auto, (max-width: 330px) 100vw, 330px\" \/><\/figure>\n<\/div><\/div><\/div>\n\n<\/div><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"overload\"><span class=\"ez-toc-section\" id=\"Overload-capability\"><\/span>Overload capability<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>Short-term<\/strong> overloads can be accommodated thanks to the modules&#8217; thermal inertia. The PEB-800-40 permits overloads up to twice the rated current for 500 ms, using I<sup>2<\/sup>t-based protection. This protection has a variable tripping time, depending on the overload. For example, up to 120% of the long-term maximum current can be tolerated up to 4.6 seconds.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"284\" height=\"199\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/Overload_capability_extended.png\" alt=\"Overload capability curve of the PEB-800-40\" class=\"wp-image-40561\" style=\"object-fit:cover\"\/><\/figure>\n<\/div>\n\n\n<p>The following schematic illustrates the combined operation of both protections.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"725\" height=\"230\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/smart_protection_horizontal.png\" alt=\"Simplified overview of the over-current protections.\" class=\"wp-image-39430\" style=\"object-fit:cover\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/smart_protection_horizontal.png 725w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/smart_protection_horizontal-300x95.png 300w\" sizes=\"auto, (max-width: 725px) 100vw, 725px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Fault-signaling\"><\/span>Fault signaling<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Six red LEDs are present on the front side of the module, under the mezzanine, indicating the origin of the fault, when applicable. Additionally, errors are indicated on the LCD screen of Type C racks. The corresponding flags regroup the possible causes:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Flag<\/strong><\/th><th><strong>ON<\/strong><\/th><th>Blinking<\/th><\/tr><\/thead><tbody><tr><td>VOLT<\/td><td>Over-voltage detected on the DC bus<\/td><td>DC bus imbalance<\/td><\/tr><tr><td>CURR<\/td><td>Over-current detected at the switching node (AC)<\/td><td>Excessive switching frequency<\/td><\/tr><tr><td>DESAT<\/td><td>Excessive drain-source voltage during on-state<\/td><td>1-1 condition detected on the PWM signals<\/td><\/tr><tr><td>P.SUP.<\/td><td>Inadequate +12V power supply voltage<\/td><td>Inadequate +5V power supply voltage<\/td><\/tr><tr><td>COOL<\/td><td>Over-temperature on the cooler<\/td><td>Probable fan fault (no tachometer signal)<\/td><\/tr><tr><td>RMT<\/td><td>Remote fault flag active (triggered remotely or locally)<\/td><td>&#8211;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"340\" height=\"183\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/peb-led-indicators-1.png\" alt=\"Fault LED indicators on the PEB-800-40\" class=\"wp-image-39101\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/peb-led-indicators-1.png 340w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/peb-led-indicators-1-300x161.png 300w\" sizes=\"auto, (max-width: 340px) 100vw, 340px\" \/><\/figure>\n<\/div>\n\n\n<p>The integrated logic generates a global fault indicator, which is made available via an optical output (see below). Fault clearance is performed by actuating the dedicated clear button, which is located either on the mezzanine of any module (for Type A open racks) or beneath the LCD screen (for Type C closed racks).<\/p>\n\n\n<style>.kb-row-layout-id40555_b28393-95 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id40555_b28393-95 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id40555_b28393-95 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:repeat(2, minmax(0, 1fr));}.kb-row-layout-id40555_b28393-95 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id40555_b28393-95 > .kt-row-column-wrap{grid-template-columns:repeat(2, minmax(0, 1fr));}}@media all and (max-width: 767px){.kb-row-layout-id40555_b28393-95 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id40555_b28393-95 alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column40555_5602ac-9b > .kt-inside-inner-col,.kadence-column40555_5602ac-9b > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column40555_5602ac-9b > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column40555_5602ac-9b > .kt-inside-inner-col{flex-direction:column;}.kadence-column40555_5602ac-9b > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column40555_5602ac-9b > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column40555_5602ac-9b{position:relative;}@media all and (max-width: 1024px){.kadence-column40555_5602ac-9b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column40555_5602ac-9b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column40555_5602ac-9b\"><div class=\"kt-inside-inner-col\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"380\" height=\"196\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/peb-fault-clear-location-mezzanine-2.png\" alt=\"Location of the fault output and clear button on the mezzanine.\" class=\"wp-image-39098\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/peb-fault-clear-location-mezzanine-2.png 380w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/peb-fault-clear-location-mezzanine-2-300x155.png 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/figure>\n<\/div><\/div>\n\n\n<style>.kadence-column40555_9613e2-94 > .kt-inside-inner-col,.kadence-column40555_9613e2-94 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column40555_9613e2-94 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column40555_9613e2-94 > .kt-inside-inner-col{flex-direction:column;}.kadence-column40555_9613e2-94 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column40555_9613e2-94 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column40555_9613e2-94{position:relative;}@media all and (max-width: 1024px){.kadence-column40555_9613e2-94 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column40555_9613e2-94 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column40555_9613e2-94\"><div class=\"kt-inside-inner-col\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"380\" height=\"196\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/peb-fault-clear-location-closed-rack-1.png\" alt=\"Location of the fault output and clear button on a closed rack.\" class=\"wp-image-39097\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/peb-fault-clear-location-closed-rack-1.png 380w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/peb-fault-clear-location-closed-rack-1-300x155.png 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/figure>\n<\/div><\/div>\n\n<\/div><\/div>\n\n\n<p>Modules can be interconnected in a daisy-chain configuration using flat cables to manage the system-wide fault state and control. This mechanism ensures the propagation of the global fault flag and the clear fault signal across all connected units.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Global Fault Propagation:<\/strong> The detection of any local fault condition results in the assertion of the global fault flag, subsequently disabling all modules within the rack.<\/li>\n\n\n\n<li><strong>Centralized Fault Clearance:<\/strong> Acknowledging a fault on any single module initiates a simultaneous reset of the fault state across all neighboring modules connected in the chain.<\/li>\n<\/ul>\n\n\n\n<p>Furthermore, these flat cables facilitate the transmission of detailed power module status data (including active fault flags, fan speed, etc.) to the LCD screen of Type C racks.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"450\" height=\"317\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/flat_cable_location.png\" alt=\"Location of the flat cables for communication between PEB-800-40 modules.\" class=\"wp-image-39428\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/flat_cable_location.png 450w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/flat_cable_location-300x211.png 300w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Minimum-deadtime\"><\/span>Minimum deadtime<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The implementation of a dead time in the gating signals is necessary to prevent shoot-through. Given that the Pulse Width Modulation (PWM) signals originate from an external controller, the user bears the responsibility for applying the appropriate dead time. The <a href=\"https:\/\/imperix.com\/doc\/help\/dead-time-selection-for-imperix-power-modules?currentThread=power-modules\">Minimum dead time<\/a> for the PEB-800-40 is <strong>120 ns<\/strong>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"424\" height=\"775\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/pwm_deadtime.png\" alt=\"Configuring the dead time in imperix PWM blocks\" class=\"wp-image-38978\" style=\"width:350px\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/pwm_deadtime.png 424w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/pwm_deadtime-164x300.png 164w\" sizes=\"auto, (max-width: 424px) 100vw, 424px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"External-protections-with-B-Box-controllers\"><\/span>External protections with B-Box controllers<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The PEB-800-40 includes integrated overvoltage and overcurrent protections calibrated to its maximum ratings. For applications where the overall system imposes more restrictive limits, B-Box controllers offer configurable hardware protections via an integrated analog front-end.<\/p>\n\n\n\n<p>The figure below illustrates the principle for a B-Box 4: the PEB-800-40 sensor signals are converted to digital values and monitored by an FPGA-based comparator against user-defined high and low thresholds. Upon a threshold violation, the controller disables all PWM outputs within 1.6 \u03bcs.<\/p>\n\n\n\n<p>More details can be found in <a href=\"https:\/\/imperix.com\/doc\/help\/analog-i-o-configuration-for-imperix-controllers\">Analog I\/O configuration for imperix controllers (PN108)<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1184\" height=\"256\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/front_panel_config_protection_highlighted.png\" alt=\"Configurable protections in Cockpit.\" class=\"wp-image-39609\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/front_panel_config_protection_highlighted.png 1184w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/front_panel_config_protection_highlighted-300x65.png 300w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/front_panel_config_protection_highlighted-1024x221.png 1024w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/front_panel_config_protection_highlighted-768x166.png 768w\" sizes=\"auto, (max-width: 1184px) 100vw, 1184px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-simple-alerts-for-gutenberg-alert-boxes sab-alert sab-alert-info\" role=\"alert\">The <a href=\"https:\/\/imperix.com\/doc\/help\/over-current-and-over-voltage-protection\">Over-current and over-voltage protections (PN257)<\/a> article provides a comprehensive example with multiple software and hardware protection layers. Further recommendations can also be found in our <a href=\"https:\/\/imperix.com\/doc\/implementation\/safety-and-protection-in-the-lab?currentThread=active-front-end-afe\">General safety guidelines (TN181)<\/a>.<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Sensor-configuration\"><\/span>Sensor configuration<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"With-B-Box-controllers\"><\/span>With B-Box controllers<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The complete chain from a PEB on-board sensor to the control algorithm running on B-Box 4 is shown below. It can be subdivided into two main parts, as explained in <a href=\"https:\/\/imperix.com\/doc\/help\/analog-i-o-configuration-on-b-box-4\">Analog I\/O configuration on B-Box 4 (PN252)<\/a>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The <strong>hardware<\/strong> section includes the sensor, the analog-to-digital conversion inside the B-Box 4, and configurable hardware protections.<\/li>\n\n\n\n<li>The <strong>model<\/strong> section covers data downsampling to match the CPU rate, optional filtering options, as well as rescaling into a meaningful quantity (based on the sensitivity of the overall analog chain).<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1184\" height=\"297\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/hardware_model_config_2.png\" alt=\"PEB-800-40 configuration in the B-Box 4 analog front end\" class=\"wp-image-39603\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/hardware_model_config_2.png 1184w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/hardware_model_config_2-300x75.png 300w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/hardware_model_config_2-1024x257.png 1024w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/hardware_model_config_2-768x193.png 768w\" sizes=\"auto, (max-width: 1184px) 100vw, 1184px\" \/><\/figure>\n\n\n\n<p>The hardware configuration is typically handled in Cockpit:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Calibration data:<\/strong> The PEB-800-40 supports sensor auto-identification on the B-Box 4 (refer to <a href=\"https:\/\/imperix.com\/doc\/help\/sensor-auto-identification\">PN255<\/a>). Users can therefore leverage factory calibration data stored in the sensor\u2019s EEPROM by selecting the <em>Use Calibration Data<\/em> checkbox.<\/li>\n\n\n\n<li><strong>Protection thresholds:<\/strong> Users must define protection thresholds as previously specified. Thanks to auto-identification, the high and low limits are displayed in physical units (V or A) for simplified configuration.<\/li>\n<\/ul>\n\n\n\n<p>On the other hand, model parameters are indicated in the <a href=\"https:\/\/imperix.com\/doc\/software\/analog-data-acquisition\">ADC block<\/a> in Simulink\/PLECS:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sensor:<\/strong> The integrated current or voltage sensor can be selected in the dedicated drop-down list to automatically load the correct sensitivity and offset. With B-Box 4, while the offset can be adjusted in the model, it is recommended to use the factory calibration data instead, as this parameter is intrinsically different for each device.<\/li>\n\n\n\n<li><strong>Sampling:<\/strong> Synchronous averaging is the default recommended method, due to its excellent noise immunity and low delay. However, other <a href=\"https:\/\/imperix.com\/doc\/help\/sampling-techniques-for-power-electronics\">Sampling techniques (PN258)<\/a> are also available.<\/li>\n<\/ul>\n\n\n<style>.kb-row-layout-id40555_4085a3-ed > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id40555_4085a3-ed > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id40555_4085a3-ed > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);grid-template-columns:repeat(2, minmax(0, 1fr));}.kb-row-layout-id40555_4085a3-ed > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id40555_4085a3-ed > .kt-row-column-wrap{grid-template-columns:repeat(2, minmax(0, 1fr));}}@media all and (max-width: 767px){.kb-row-layout-id40555_4085a3-ed > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id40555_4085a3-ed alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column40555_bbbb88-75 > .kt-inside-inner-col,.kadence-column40555_bbbb88-75 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column40555_bbbb88-75 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column40555_bbbb88-75 > .kt-inside-inner-col{flex-direction:column;}.kadence-column40555_bbbb88-75 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column40555_bbbb88-75 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column40555_bbbb88-75{position:relative;}@media all and (max-width: 1024px){.kadence-column40555_bbbb88-75 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column40555_bbbb88-75 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column40555_bbbb88-75\"><div class=\"kt-inside-inner-col\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"424\" height=\"766\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/sensor_config-1.png\" alt=\"Selecting the current sensor in imperix ADC block\" class=\"wp-image-38975\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/sensor_config-1.png 424w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/sensor_config-1-166x300.png 166w\" sizes=\"auto, (max-width: 424px) 100vw, 424px\" \/><\/figure>\n<\/div><\/div>\n\n\n<style>.kadence-column40555_49491e-50 > .kt-inside-inner-col,.kadence-column40555_49491e-50 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column40555_49491e-50 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column40555_49491e-50 > .kt-inside-inner-col{flex-direction:column;}.kadence-column40555_49491e-50 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column40555_49491e-50 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column40555_49491e-50{position:relative;}@media all and (max-width: 1024px){.kadence-column40555_49491e-50 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column40555_49491e-50 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column40555_49491e-50\"><div class=\"kt-inside-inner-col\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"424\" height=\"766\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/sensor_sampling-1.png\" alt=\"Selecting synchronous averaging in imperix ADC block\" class=\"wp-image-38976\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/sensor_sampling-1.png 424w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/sensor_sampling-1-166x300.png 166w\" sizes=\"auto, (max-width: 424px) 100vw, 424px\" \/><\/figure>\n<\/div><\/div>\n\n<\/div><\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"With-other-controllers\"><\/span>With other controllers<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Any controller with \u00b15V analog inputs can retrieve the on-board measurements. To this end, the functional schematic of the DC voltage sensing circuit is shown below. The measurement of the DC voltage is implemented using precision resistive dividers on the two individual half-buses. Galvanic isolation is implemented using precision isolated amplifiers. The two corresponding measurements are subsequently combined by an operational amplifier, yielding a signal proportional to the total DC bus.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"393\" height=\"180\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/Functional_schematic_voltage-4.png\" alt=\"Functional schematic voltage sensor\" class=\"wp-image-39022\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/Functional_schematic_voltage-4.png 393w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/Functional_schematic_voltage-4-300x137.png 300w\" sizes=\"auto, (max-width: 393px) 100vw, 393px\" \/><\/figure>\n<\/div>\n\n\n<p>Similarly, the measurement of the output current (AC midpoint) is implemented using a high-precision shunt together with an isolated amplifier.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"393\" height=\"180\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/Functional_schematics_current.png\" alt=\"Functional schematic of the current sensor\" class=\"wp-image-38954\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/Functional_schematics_current.png 393w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/Functional_schematics_current-300x137.png 300w\" sizes=\"auto, (max-width: 393px) 100vw, 393px\" \/><\/figure>\n<\/div>\n\n\n<p>Measurements are accessible through RJ-45 connectors according to the pinout shown below. The external controller must supply \u00b115V (&gt;10 mA) to power up the output amplifier of each analog chain. Also, the 1-wire line (pin 3) should either be left floating or connected to GND.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"216\" height=\"134\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/RJ45-pinout-1.png\" alt=\"RJ-45 analog output pinout\" class=\"wp-image-38961\"\/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Application-examples-with-the-PEB-800-40\"><\/span>Application examples with the PEB-800-40<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The PEB-800-40 modules are designed for versatile deployment, functioning either as standalone units for buck or boost conversion or as integrated components within more complex power topologies. The following articles provide comprehensive, step-by-step instructions for the assembly and commissioning of these systems:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/imperix.com\/doc\/help\/how-to-build-a-buck-converter?currentThread=power-electronic-bundle\">How to build a buck converter (PN119)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/imperix.com\/doc\/help\/how-to-build-a-3-phase-inverter?currentThread=power-electronic-bundle\">How to build a three-phase inverter (PN170)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/imperix.com\/doc\/?p=34572&amp;preview=true&amp;currentThread=power-electronic-bundle\">How to build an interleaved boost converter (PN173)<\/a><\/li>\n<\/ul>\n\n\n\n<p>Furthermore, Imperix offers an extensive library of technical articles detailing advanced converter architectures and sophisticated control methodologies. The following examples represent high-level applications that leverage the capabilities of the PEB-800-40:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/imperix.com\/doc\/example\/single-phase-pv-inverter-with-fictive-axis-emulation?currentThread=single-phase-pv-inverter-with-fictive-axis-emulation\">Single phase PV inverter with Fictive-Axis Emulation (AN003)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/imperix.com\/doc\/example\/on-board-charger-for-electric-vehicles?currentThread=on-board-charger-obc-for-electric-vehicles\">Onboard battery charger for electric vehicles (AN010)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/imperix.com\/doc\/example\/wind-turbine-generator-control-using-a-sensorless-algorithm?currentThread=wind-turbine-generator-control-using-a-sensorless-algorithm\">Wind turbine generator control using a sensorless algorithm (AN012)<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>This article provides essential information for developing power converters using the PEB-800-40 module. It is intended to guide first-time users through the safe and successful&#8230;<\/p>\n","protected":false},"author":8,"featured_media":39105,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[3],"tags":[],"software-environments":[],"provided-results":[],"related-products":[32,112,111],"guidedreadings":[],"tutorials":[],"user-manuals":[144],"coauthors":[62],"class_list":["post-37996","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-help","related-products-b-box-rcp","related-products-peb","related-products-pm","user-manuals-power-modules"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PEB-800-40 - Quick start guide - imperix<\/title>\n<meta name=\"description\" content=\"Get started with the PEB-800-40 and learn how to use it to build various power converter topologies in no time.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/imperix.com\/doc\/help\/peb-800-40\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PEB-800-40 - Quick start guide - imperix\" \/>\n<meta property=\"og:description\" content=\"Get started with the PEB-800-40 and learn how to use it to build various power converter topologies in no time.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/imperix.com\/doc\/help\/peb-800-40\" \/>\n<meta property=\"og:site_name\" content=\"imperix\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-17T12:55:07+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-26T10:20:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2025\/12\/featured-image-peb-800-40-min.png\" \/>\n\t<meta property=\"og:image:width\" content=\"450\" \/>\n\t<meta property=\"og:image:height\" content=\"300\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Simon Strobl\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Simon Strobl\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"12 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/imperix.com\\\/doc\\\/help\\\/peb-800-40#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/imperix.com\\\/doc\\\/help\\\/peb-800-40\"},\"author\":{\"name\":\"Simon Strobl\",\"@id\":\"https:\\\/\\\/imperix.com\\\/doc\\\/#\\\/schema\\\/person\\\/112ed48191405cbe3befbc660d112803\"},\"headline\":\"PEB-800-40 &#8211; 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