Automotive test hardware handles power electronics switching up to 30A
The R&S TS-PSM3 plug-in module integrates the switching of high-current DUTs into the R&S TSVP base unit. The increasing integration of power electronics in actuators requires innovative test scenarios in production. The R&S TS-PSM3 satisfies test system requirements for electronic control units (ECU) such as a vehicle’s transmission control unit without any auxiliary devices. Decentralised power electronics for hybrid drivetrains can also be fully tested using this modular, scalable solution.
The test system offers a wide range of measurement modules for various applications. Since the modules are integrated via standardised interfaces such as PXI, CAN bus and rear I/O, the test system can be configured for measurements in development and in production. Together with the power switching module, it can, for example, test multiple DUTs at the same time and supply them with electricity – for efficient production tests.
The new R&S TS-PSM3 connects test loads, original loads and simulated electronic loads. It is designed for switching voltages up to 30V. The user connects the power supply on the rear I/O module. The module boasts eight channels for currents up to 30A and eight channels for up to 2A that distribute the load. Integrated current sensors can detect the current flow and forward it to the internal analogue bus for precise measurement. The 2A signal paths can also be used as sense lines to check the voltages on the DUT. To program a secure signal routing, users can add the R&S TS-LSRL signal routing library software option. Comprehensive self-test capability and integrated counting of switching cycles significantly increases operational safety.
Available now for currents up to 30A, before the end of 2013 the R&S TS-PSM5 will be available for currents up to 50A.
Rohde & Schwarz; wwww.rohde-schwarz.com/product/compacttsvp
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