Complete Power Electronics Test System

Power Electronics Automated Test Solutions

Integrated automated test systems for AC/DC converters, DC/DC converters, power modules and other power electronics, covering input/output performance, dynamic load, protection, high-voltage isolation, burn-in and production data.

Test Software
AC/DC SourceLoadMeasurement
Switch / Interface Fixture DUT
ScopePower MeterDMMProtection TestData / Report

Why Automated Power Test

Power electronics testing often involves input conditions, output load, voltage, current, power, waveform, protection, dynamic behavior, isolation and burn-in.

Sequence Automation

Instrument Coordination

Repeatable Configuration

Automatic Judgment

Data Recording

Power Test Architecture

This is a typical architecture and does not imply that every project includes every resource.
Test ExecutiveSequence / Instrument Control / Configuration / Pass-Fail / DataAC Source / DC Source / Electronic Load / MeasurementSwitch / MatrixFixtureDUT

Input & Line Condition Test

Covers input voltage variation, line regulation, voltage sag and over/under-voltage behavior.

Output Performance Test

Covers output voltage, output current, load regulation, ripple and Periodic and Random Deviation (PARD).

Dynamic & Transient Load Test

Uses electronic load or controllable load conditions to verify DUT response during load changes.

Protection & Fault Condition Verification

Executes overload, short-circuit and over/under-voltage tests under controlled conditions.

High-Voltage & Isolation Test

For products requiring electrical isolation verification, Hi-Pot / HV resources can be integrated into the production test flow.

Burn-In Integration

Power source, multiple DUT, load/monitoring, temperature/status, test software and data logging form a typical burn-in integration concept.

Electrical & Power Measurement

DMM, oscilloscope, power meter and electronic load can be combined for voltage, current, waveform, power, ripple and harmonics test.

Universal Power Test Platform

The universal platform concept emphasizes common test architecture, configurable test sequence, interchangeable/model-specific fixture concept, shared instrument resources and model configuration.

Typical Project Instrumentation

Chroma Electronic Load, AC/DC Source, Sorensen DC Source, Agilent DMM, switch matrix, Tektronix MSO and Yokogawa WT230 Power Meter are historical project configuration examples only.

Custom Test Hardware

Customized PCB, customized relay cards, communication PCB and custom test modular instruments can support interface, switching, signal conditioning and fixture electronics.

Project Evidence - 4kW Power ATE

The following values are Project Scope, not company maximum capability.
0-4kWProject Scope 0-320VACProject Scope 0-800VDCProject Scope
SAGLine RegulationLoad RegulationDynamic LoadHarmonicsOverloadShort CircuitBurn-InHV IsolationRipplePARD
View Universal 4kW Power Supply ATE Case

Automotive Power Electronics Test

CVS evidence includes high voltage, high current, calibration, PWM and isoSPI / Daisy Chain. OBC evidence includes HV interlock, current sampling, IGBT / MOSFET drive waveform and wake/sleep current.

Explore Automotive & EV View CVS Case View OBC Case

High Voltage / High Current

The engineering method includes source/simulation, measurement, switching, fixture/interface, calibration and protection.

850VDCProject Experience +/-700AProject Experience

Power Electronics Application Map

Each card lists only typical test focus and is not expanded into an individual solution.

AC/DC Converter

Input / Output, Line Regulation, Load, Protection

DC/DC Converter

Input / Output, Load, Isolation, Dynamic Response

SMPS

Line / Load Regulation, Ripple, Protection

Power Adapter

Input / Output, Load Regulation, Burn-In

Telecom Power Supply

Output Performance, Load, Protection, Burn-In

DC Power Module

Voltage / Current, Dynamic Load, Isolation

UPS / Inverter

Power Conversion, Output, Protection

Automotive Power Electronics

HV / HC, Calibration, Communication, Waveform

Power Test Capability Matrix

Marked carefully based on existing materials. Project means project evidence, not a general standard capability.

Input Variation

AC/DC: Yes

DC/DC: -

Module: -

Automotive: -

Load Regulation

AC/DC: Yes

DC/DC: Yes

Module: Yes

Automotive: -

Dynamic Load

AC/DC: Yes

DC/DC: Yes

Module: Yes

Automotive: -

Protection

AC/DC: Yes

DC/DC: Yes

Module: Yes

Automotive: -

Ripple

AC/DC: Yes

DC/DC: Yes

Module: Yes

Automotive: -

Isolation

AC/DC: -

DC/DC: Project

Module: Project

Automotive: -

Burn-In

AC/DC: Project

DC/DC: Project

Module: Project

Automotive: -

HV / HC

AC/DC: -

DC/DC: -

Module: -

Automotive: Project

Calibration

AC/DC: -

DC/DC: -

Module: -

Automotive: Project

Software & Sequence Automation

The 4kW ATE project uses NI LabVIEW and NI TestStand to organize operator UI, test executive, instrument drivers, fixture/DUT and result reports.
Operator UITest ExecutiveTest SequenceInstrument DriversFixture / DUTResults / Report

Engineering Capabilities

InstrumentationHardware EngineeringSoftware EngineeringFixture EngineeringMeasurementCalibrationSystem IntegrationBurn-In
View Engineering Capabilities

Planning a power electronics automated test system?

onTAP can start from product test items, instrument resources, load conditions, fixture interface, test software, reports and production data to build maintainable power electronics ATE platforms.