{"id":17607,"date":"2026-09-30T08:33:56","date_gmt":"2026-09-30T06:33:56","guid":{"rendered":"https:\/\/tps-elektronik.com\/?p=17607"},"modified":"2026-09-30T08:33:57","modified_gmt":"2026-09-30T06:33:57","slug":"how-to-automate-voltage-and-current-profiling-in-embedded-system-development-with-tps-programmable-lab-power-supply-for-rd-bench-testing","status":"publish","type":"post","link":"https:\/\/tps-elektronik.com\/en\/how-to-automate-voltage-and-current-profiling-in-embedded-system-development-with-tps-programmable-lab-power-supply-for-rd-bench-testing\/","title":{"rendered":"How to Automate Voltage and Current Profiling in Embedded System Development with TPS Programmable Lab Power Supply for R&amp;D Bench Testing?"},"content":{"rendered":"<article class=\"product-blog\" lang=\"en\"><header>\n<p>For system integrators, electrical engineers, and procurement teams supporting R&amp;D environments, the benchtop power supply is not just a source of DC power\u2014it is the foundation of every test sequence, every validation run, and every design verification. When testing embedded systems, power supplies that require manual adjustment for every test condition waste engineering hours and introduce human error into repeatable test sequences.<\/p>\n<p>The <strong>EA-PSI 5040-40A<\/strong>, distributed by TPS Elektronik, is a high-performance programmable desktop DC power supply engineered for demanding laboratory and industrial testing environments. It delivers <strong>0\u201340V DC at 0\u201340A with 640W output power<\/strong> through an auto-ranging power stage, features <strong>&lt;0.08% voltage load regulation, &lt;10mV RMS ripple, and &lt;1ms load regulation time<\/strong>, and supports <strong>USB, Ethernet, and galvanically isolated analog control interfaces<\/strong> with full SCPI and LabVIEW compatibility\u2014making it the ideal programmable lab power supply for automating voltage and current profiling in embedded system development.<\/p>\n<p><a class=\"cta-primary\" href=\"https:\/\/www.shop-tps.com\/shop\/category\/programmable-power-14\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Shop EA-PSI 5040-40A Programmable Lab Power Supply \u2192<\/a><\/p>\n<\/header><nav class=\"toc\" aria-label=\"Table of Contents\">\n<h2 id=\"toc-en\">Table of Contents<\/h2>\n<ol>\n<li><a href=\"#en-rd-challenge\">The R&amp;D Test Challenge: Why Manual Power Supply Adjustment Is No Longer Acceptable<\/a><\/li>\n<li><a href=\"#en-product-overview\">Product Overview: EA-PSI 5040-40A Programmable Lab Power Supply<\/a><\/li>\n<li><a href=\"#en-auto-ranging\">Auto-Ranging Output: Flexible Power for Diverse Embedded Systems<\/a><\/li>\n<li><a href=\"#en-voltage-profiling\">Automated Voltage and Current Profiling with 9 Memory Presets<\/a><\/li>\n<li><a href=\"#en-remote-control\">Remote Control and Automation: USB, Ethernet, and SCPI<\/a><\/li>\n<li><a href=\"#en-precision\">Precision and Stability for Sensitive Embedded Electronics<\/a><\/li>\n<li><a href=\"#en-protection\">Comprehensive Protection for Device-Under-Test Safety<\/a><\/li>\n<li><a href=\"#en-technical-specs\">Technical Specifications at a Glance<\/a><\/li>\n<li><a href=\"#en-faq\">FAQ<\/a><\/li>\n<\/ol>\n<\/nav>\n<section id=\"en-rd-challenge\">\n<h2>1. The R&amp;D Test Challenge: Why Manual Power Supply Adjustment Is No Longer Acceptable<\/h2>\n<p>Embedded system development is a process of constant iteration\u2014design, prototype, test, debug, refine, repeat. Each iteration requires testing the device under test (DUT) across multiple voltage and current conditions: power-on sequencing, brown-out detection, overvoltage tolerance, current consumption profiling, and boundary testing across the full operating range.<\/p>\n<p>For engineers on the bench, the traditional approach to power supply control is manual: turn a knob, read a display, note a value, repeat. And For a simple test sequence with three voltage steps, this might take seconds. For a comprehensive validation run with dozens of test points, it can consume hours\u2014hours that could be spent analyzing data, debugging code, or designing the next revision.<\/p>\n<p>The limitations of manual power supply control in R&amp;D are significant:<\/p>\n<ul>\n<li><strong>Inconsistent test conditions:<\/strong> Manual adjustments introduce variability between test runs, making it difficult to compare results<\/li>\n<li><strong>Wasted engineering time:<\/strong> Skilled engineers spending time turning knobs instead of analyzing data<\/li>\n<li><strong>Limited test coverage:<\/strong> Time constraints force engineers to run fewer test points than ideal<\/li>\n<li><strong>No data logging:<\/strong> Manual setups cannot capture voltage and current data synchronized with test execution<\/li>\n<li><strong>Repetitive motion injuries:<\/strong> Hours of manual adjustment take a physical toll<\/li>\n<\/ul>\n<p>The solution is <strong>automated voltage and current profiling<\/strong>\u2014programming the power supply to execute test sequences automatically, with precise timing, consistent conditions, and synchronized data capture. TPS Elektronik&#8217;s <strong>programmable lab power supply<\/strong> solutions, led by the EA-PSI 5040-40A, are engineered to deliver exactly this capability.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-17742\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/09\/HEA3588-EA-PSI-5040-40A-2.jpg\" alt=\"EA-PSI 5040-40A programmable lab power supply EA-PSI 5040-40A programmierbares Labornetzteil\" width=\"1024\" height=\"576\" \/><\/p>\n<p><a class=\"cta-primary\" href=\"https:\/\/www.shop-tps.com\/shop\/category\/programmable-power-14\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Explore the EA-PSI 5040-40A \u2192<\/a><\/p>\n<\/section>\n<section id=\"en-product-overview\">\n<h2>2. Product Overview: EA-PSI 5040-40A Programmable Lab Power Supply<\/h2>\n<p>The EA-PSI 5040-40A is a microprocessor-controlled programmable desktop DC power supply from the EA-PSI 5000 A series, manufactured by EA Elektro-Automatik and distributed by TPS Elektronik. It is engineered for demanding laboratory and industrial testing environments where precision, programmability, and reliability are essential.<\/p>\n<p><strong>Key specifications at a glance:<\/strong><\/p>\n<ul>\n<li><strong>Output:<\/strong> 0\u201340V DC, 0\u201340A, 0\u2013640W (auto-ranging)<\/li>\n<li><strong>Input:<\/strong> 90\u2013264V AC, 45\u201365Hz with active PFC &gt;0.99<\/li>\n<li><strong>Efficiency:<\/strong> Up to 92%<\/li>\n<li><strong>Voltage load regulation:<\/strong> &lt;0.08%<\/li>\n<li><strong>The Voltage line regulation:<\/strong> &lt;0.02%<\/li>\n<li><strong>Voltage ripple:<\/strong> &lt;80mV PP, &lt;10mV RMS<\/li>\n<li><strong>Load regulation time:<\/strong> &lt;1ms<\/li>\n<li><strong>Voltage accuracy:<\/strong> &lt;0.2%<\/li>\n<li><strong>Current accuracy:<\/strong> &lt;0.2%<\/li>\n<li><strong>Display:<\/strong> Blue LCD showing set values, actual values, and status simultaneously<\/li>\n<li><strong>Preset memories:<\/strong> 9 groups for instant recall of frequently used configurations<\/li>\n<li><strong>Interfaces:<\/strong> Galvanically isolated analog, USB, Ethernet<\/li>\n<li><strong>Command support:<\/strong> SCPI, LabView VIs, Windows control software<\/li>\n<li><strong>Cooling:<\/strong> Temperature-controlled fan for quiet operation under full load<\/li>\n<li><strong>Dimensions:<\/strong> 200\u00d787\u00d7331mm, weight 4.3kg<\/li>\n<li><strong>Compliance:<\/strong> SELV (EN 60950) for 40V models, EMC EN 55022 Class B<\/li>\n<\/ul>\n<p>The EA-PSI 5040-40A combines the precision of a laboratory-grade instrument with the programmability required for automated testing, making it an ideal <strong>lab power supply for R&amp;D<\/strong> applications across embedded systems, automotive electronics, medical devices, and industrial control.<\/p>\n<\/section>\n<section id=\"en-auto-ranging\">\n<h2>3. Auto-Ranging Output: Flexible Power for Diverse Embedded Systems<\/h2>\n<p>One of the defining features of the EA-PSI 5040-40A is its <strong>auto-ranging output stage<\/strong>. Unlike traditional power supplies with a fixed voltage-current curve, auto-ranging technology allows the power supply to deliver full rated power across a wide range of voltage and current combinations. The auto-ranging output supports constant voltage, constant current, constant power, and constant resistance modes with fast crossover.<\/p>\n<p>For a 640W power supply with auto-ranging:<\/p>\n<ul>\n<li>At 40V, the supply can deliver up to 16A (640W)<\/li>\n<li>When At 20V, the supply can deliver up to 32A (640W)<\/li>\n<li>At 16V, the supply can deliver up to 40A (640W)<\/li>\n<\/ul>\n<p>This flexibility is invaluable for <strong>embedded system test power<\/strong> applications where the load may vary significantly. A single power supply can be used to test devices with different voltage and current requirements\u2014from 3.3V microcontrollers drawing milliamps to 24V motor drivers drawing tens of amps\u2014reducing the need for multiple power supplies on the bench.<\/p>\n<p>The auto-ranging capability also ensures that the power supply can handle the dynamic current demands of modern embedded systems, which often draw brief but significant current spikes during operation. The &lt;1ms load regulation time ensures that voltage remains stable even during these rapid load changes.<\/p>\n<\/section>\n<section id=\"en-voltage-profiling\">\n<h2>4. Automated Voltage and Current Profiling with 9 Memory Presets<\/h2>\n<p>For engineers running repetitive test sequences\u2014power-on testing, brown-out verification, voltage margining, and current consumption profiling\u2014the ability to recall and execute test configurations quickly is essential. The EA-PSI 5040-40A features <strong>9 preset memory groups<\/strong> that store complete output configurations. Which including voltage, current, and protection settings.<\/p>\n<p>This capability enables automated <strong>voltage profiling<\/strong> for embedded system testing:<\/p>\n<ul>\n<li><strong>Power-on sequencing:<\/strong> Program multiple voltage steps to simulate real-world power-up conditions<\/li>\n<li><strong>Brown-out testing:<\/strong> Automatically cycle voltage through the brown-out threshold to verify device behavior<\/li>\n<li><strong>Voltage margining:<\/strong> Step through voltage limits to test device tolerance<\/li>\n<li><strong>Current consumption profiles:<\/strong> Measure current draw across different operating modes<\/li>\n<\/ul>\n<p>For embedded system development, the ability to automate these test sequences delivers tangible benefits:<\/p>\n<ul>\n<li><strong>Faster validation:<\/strong> Complete test runs in minutes instead of hours<\/li>\n<li><strong>Repeatable results:<\/strong> Every test run follows the exact same sequence<\/li>\n<li><strong>Broader coverage:<\/strong> Run more test points in the same time<\/li>\n<li><strong>Less operator error:<\/strong> Eliminate manual adjustment mistakes<\/li>\n<\/ul>\n<p>For <strong>embedded development power supply<\/strong> applications, the combination of 9 memory presets and remote control capabilities means that engineers can develop test sequences once and run them repeatedly\u2014with consistent, repeatable results.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-17737\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/09\/Automated-Voltage-Profiling-with-Programmable-Lab-Power-Supply-1-1.jpg\" alt=\"Automated Voltage Profiling with Programmable Lab Power Supply Automatisierte Spannungsprofilierung mit programmierbarem Labornetzteil\" width=\"1920\" height=\"1079\" \/><\/p>\n<\/section>\n<section id=\"en-remote-control\">\n<h2>5. Remote Control and Automation: USB, Ethernet, and SCPI<\/h2>\n<p>The EA-PSI 5040-40A is designed for seamless integration into automated test systems. With <strong>USB, Ethernet, and galvanically isolated analog interfaces<\/strong> standard on-board, the power supply can be controlled from a PC, test controller, or automated test equipment.<\/p>\n<p>Key automation capabilities for R&amp;D environments include:<\/p>\n<ul>\n<li><strong>SCPI command support:<\/strong> Standard Commands for Programmable Instruments enable integration with virtually any test automation software<\/li>\n<li><strong>LabView VIs included:<\/strong> Ready-to-use virtual instruments for National Instruments LabVIEW<\/li>\n<li><strong>Windows control software:<\/strong> EA Power Control software for manual and automated operation<\/li>\n<li><strong>Galvanically isolated analog interface:<\/strong> 0\u20135V \/ 0\u201310V control signals for integration with analog test systems<\/li>\n<li><strong>Built-in supervision:<\/strong> Reduces test equipment requirements and eliminates external monitoring hardware<\/li>\n<\/ul>\n<p>For automated test sequences, the combination of SCPI commands and USB\/Ethernet connectivity enables:<\/p>\n<ul>\n<li><strong>Scripted test sequences:<\/strong> Write Python, C#, or LabVIEW scripts that control the power supply, DUT, and measurement instruments in a coordinated sequence<\/li>\n<li><strong>Data logging:<\/strong> Capture voltage, current, and power readings synchronized with test execution<\/li>\n<li><strong>Remote monitoring:<\/strong> Monitor test status from anywhere on the network<\/li>\n<li><strong>Continuous integration:<\/strong> Integrate power supply control into automated test frameworks<\/li>\n<\/ul>\n<p>For <strong>programmable power for prototyping<\/strong> applications, the remote control capabilities mean that engineers can design, test, and refine power supply sequences without ever touching the front panel\u2014freeing them to focus on analysis rather than adjustment.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-17732\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/09\/Remote-Controlled-Power-Supply-for-Automated-RD-Testing-2-1.jpg\" alt=\"Remote Controlled Power Supply for Automated R&amp;D Testing Ferngesteuertes Netzteil f\u00fcr automatisierte F&amp;E-Tests\" width=\"1920\" height=\"1079\" \/><\/p>\n<\/section>\n<section id=\"en-precision\">\n<h2>6. Precision and Stability for Sensitive Embedded Electronics<\/h2>\n<p>Embedded systems are increasingly sensitive to power supply quality. A 3.3V microcontroller expects 3.3V\u2014not 3.25V, not 3.35V. Voltage fluctuations that would be invisible to a power-hungry motor driver can cause logic errors, ADC reading errors, or communication failures in a sensitive embedded system.<\/p>\n<p>The EA-PSI 5040-40A delivers the precision that <strong>programmable bench power supply<\/strong> applications require:<\/p>\n<ul>\n<li><strong>&lt;0.08% voltage load regulation:<\/strong> Output voltage changes by less than 0.08% from no load to full load, ensuring stable operation of sensitive circuits<\/li>\n<li><strong>&lt;0.02% voltage line regulation:<\/strong> Output voltage remains stable even as input AC voltage fluctuates<\/li>\n<li><strong>&lt;10mV RMS voltage ripple:<\/strong> Ultra-low ripple ensures clean DC power that does not introduce noise into sensitive analog or digital circuits<\/li>\n<li><strong>&lt;0.2% voltage and current accuracy:<\/strong> Precise setpoint accuracy for repeatable test results<\/li>\n<li><strong>&lt;1ms load regulation time:<\/strong> Fast transient response maintains voltage stability during rapid load changes<\/li>\n<\/ul>\n<p>For <strong>programmable DC bench supply<\/strong> applications in embedded development, these specifications ensure that the power supply does not introduce artifacts that could mask true device behavior. Engineers can confidently validate power-on sequences, measure current consumption, and test brown-out detection without worrying about power supply-induced errors.<\/p>\n<p>The 16-bit microprocessor-controlled architecture provides the resolution and stability required for precision measurements, while the blue LCD display shows set values, actual values, and status information simultaneously for real-time monitoring.<\/p>\n<p><a class=\"cta-primary\" href=\"https:\/\/www.shop-tps.com\/shop\/category\/programmable-power-14\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Shop TPS Programmable Lab Power Supplies \u2192<\/a><\/p>\n<\/section>\n<section id=\"en-protection\">\n<h2>7. Comprehensive Protection for Device-Under-Test Safety<\/h2>\n<p>In R&amp;D environments, the device under test (DUT) is often a one-of-a-kind prototype worth thousands of dollars. Protection against electrical faults is not optional\u2014it is essential.<\/p>\n<p>The EA-PSI 5040-40A includes comprehensive protection features:<\/p>\n<ul>\n<li><strong>OVP (Overvoltage Protection):<\/strong> Protects the DUT from voltage excursions beyond set limits<\/li>\n<li><strong>OCP (Overcurrent Protection):<\/strong> Prevents damage from excessive current draw<\/li>\n<li><strong>The OPP (Overpower Protection):<\/strong> Shuts down the output if power exceeds safe limits<\/li>\n<li><strong>OTP (Overtemperature Protection):<\/strong> Reduces output or shuts down if internal temperature exceeds safe operating limits<\/li>\n<\/ul>\n<p>For <strong>R&amp;D bench power supply<\/strong> applications, these protection features are essential\u2014prototypes represent significant development investment, and protection against electrical faults prevents costly delays and rework.<\/p>\n<p>The unit is <strong>SELV compliant<\/strong> according to EN 60950 for 40V models and meets <strong>EMC EN 55022 Class B<\/strong> standards for electromagnetic compatibility, ensuring safe operation in laboratory environments.<\/p>\n<\/section>\n<section id=\"en-technical-specs\">\n<h2>8. Technical Specifications at a Glance<\/h2>\n<table style=\"width: 100%; border-collapse: collapse; font-size: 14px;\">\n<thead>\n<tr style=\"background: #2d5797; color: #ffffff;\">\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Parameter<\/th>\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Model<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">EA-PSI 5040-40A (PN: HEA3588 \/ 05100406)<\/td>\n<\/tr>\n<tr style=\"background: #f5f5f5;\">\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Output Voltage<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">0\u201340V DC<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Output Current<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">0\u201340A<\/td>\n<\/tr>\n<tr style=\"background: #f5f5f5;\">\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Output Power<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">0\u2013640W (auto-ranging)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Input Voltage<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">90\u2013264V AC, 45\u201365Hz<\/td>\n<\/tr>\n<tr style=\"background: #f5f5f5;\">\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Power Factor<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">&gt;0.99 (active PFC)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Efficiency<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">Up to 92%<\/td>\n<\/tr>\n<tr style=\"background: #f5f5f5;\">\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Voltage Load Regulation<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">&lt;0.08%<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Voltage Line Regulation<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">&lt;0.02%<\/td>\n<\/tr>\n<tr style=\"background: #f5f5f5;\">\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Voltage Ripple (RMS)<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">&lt;10mV<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Voltage Ripple (PP)<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">&lt;80mV<\/td>\n<\/tr>\n<tr style=\"background: #f5f5f5;\">\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Load Regulation Time<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">&lt;1ms<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Voltage\/Current Accuracy<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">&lt;0.2%<\/td>\n<\/tr>\n<tr style=\"background: #f5f5f5;\">\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Display<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">Blue LCD<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Preset Memories<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">9<\/td>\n<\/tr>\n<tr style=\"background: #f5f5f5;\">\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Interfaces<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">USB, Ethernet, Galvanically Isolated Analog<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Protocols<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">SCPI, LabView VIs<\/td>\n<\/tr>\n<tr style=\"background: #f5f5f5;\">\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Protection<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">OVP, OCP, OPP, OTP<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Cooling<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">Temperature-controlled fan<\/td>\n<\/tr>\n<tr style=\"background: #f5f5f5;\">\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Dimensions (W\u00d7H\u00d7D)<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">200\u00d787\u00d7331 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Weight<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">4.3 kg<\/td>\n<\/tr>\n<tr style=\"background: #f5f5f5;\">\n<td style=\"padding: 8px; border: 1px solid #ddd;\"><strong>Compliance<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">SELV (EN 60950), EMC EN 55022 Class B<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><a class=\"cta-primary\" href=\"https:\/\/www.shop-tps.com\/shop\/category\/programmable-power-14\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">View the full EA-PSI 5040-40A datasheet \u2192<\/a><\/p>\n<\/section>\n<section id=\"en-faq\">\n<h2>9. FAQ<\/h2>\n<div>\n<div>\n<h3>What is the maximum output of the EA-PSI 5040-40A programmable lab power supply?<\/h3>\n<div>\n<div>The EA-PSI 5040-40A delivers 0\u201340V DC at 0\u201340A with a maximum output power of 640W. The auto-ranging output stage allows full power delivery across a wide range of voltage and current combinations, providing flexibility for diverse embedded system testing applications.<\/div>\n<\/div>\n<\/div>\n<div>\n<h3>How does automated voltage profiling work with this power supply?<\/h3>\n<div>\n<div>Automated voltage profiling uses the 9 preset memory groups and remote control capabilities (USB, Ethernet, SCPI) to program test sequences automatically. Engineers can define voltage steps, ramp rates, and dwell times, then execute the entire sequence with a single command\u2014eliminating manual adjustments and ensuring repeatable test conditions.<\/div>\n<\/div>\n<\/div>\n<div>\n<h3>What remote control interfaces does the EA-PSI 5040-40A support?<\/h3>\n<div>\n<div>The EA-PSI 5040-40A supports USB, Ethernet, and galvanically isolated analog interfaces (0\u20135V \/ 0\u201310V). It is fully compatible with SCPI command language, LabView VIs, and Windows control software for seamless integration into automated test systems.<\/div>\n<\/div>\n<\/div>\n<div>\n<h3>What is the voltage accuracy of the EA-PSI 5040-40A?<\/h3>\n<div>\n<div>The EA-PSI 5040-40A provides &lt;0.2% voltage and current accuracy with &lt;0.08% voltage load regulation and &lt;0.02% line regulation, ensuring precise, repeatable measurements for embedded system testing and validation.<\/div>\n<\/div>\n<\/div>\n<div>\n<h3>Is the EA-PSI 5040-40A suitable for production test environments?<\/h3>\n<div>\n<div>Yes. The EA-PSI 5040-40A&#8217;s remote control capabilities, auto-ranging output, and comprehensive protection features make it suitable for both R&amp;D and production test environments where automated, repeatable testing is required.<\/div>\n<\/div>\n<\/div>\n<div>\n<h3>What protection features does the EA-PSI 5040-40A include?<\/h3>\n<div>\n<div>The unit includes comprehensive protection: overvoltage protection (OVP), overcurrent protection (OCP), overpower protection (OPP), and overtemperature protection (OTP)\u2014all essential for protecting valuable prototypes and development boards during testing.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<footer style=\"background: #2d5797; padding: 30px; border-radius: 14px; margin-top: 40px;\">\n<p style=\"color: #ffffff; font-size: 16px; line-height: 1.6; margin: 0;\"><strong>Ready to automate voltage and current profiling in your embedded system development with a programmable lab power supply?<\/strong><br \/>Contact TPS Elektronik for engineering consultation, evaluation units, and volume pricing. 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