3kW Controllable Power Supply Hardware System

LVT-PSU Hardware

LVT-PSU controllable power supply hardware - onThe LVT-PSU controllable power supply hardware provides CAN-controllable power up to 3kW to test systems.

Increased levels of test automation are becoming more prominent within test environments to help increase the value of testing while reducing the length of the development cycle. As embedded control systems’ test processes become more complex, they become longer and more difficult to complete.

As a result, more test processes are being performed in an automated fashion, running overnight, or over weeks and sometimes even months independently. Therefore it is necessary to use a reliable power supply unit.

The LVT-PSU is a powerful desktop PSU for providing power to systems requiring a compact, rugged, controllable power source, with the ability to be controlled or monitored via CAN. It allows you to extend the capabilities of a system through the control of available test power via automated means, improving existing test processes whilst being left to work in partnership with pre-existing test systems.


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Primarily designed for automotive testing and development applications, the LVT-PSU can be controlled via CAN, a Windows-based GUI with COM interfacing capability, an analogue input or its intuitive front panel. This makes it suitable for unattended test applications such as hardware-in-the-loop, test automation or EMC robustness testing.

The output stage can be current limited and also current limits if excessive power is dissipated, or if an excessive temperature occurs internally. This helps protect not only the unit, but the user and the device under test from damage due to incorrect connection or abuse.

15V, 20V, 30V and 60V nominal voltages are available up to 3kW output. The functionality and variation results in a convenient lab power source, enhancing test procedures. It can also be used in conjunction with our LVTGO-VBS range to broaden the range of robustness testing possible.

Enhancing robustness testing

LVT PSU communicating with LVTGOThe unit has been designed to complement our LVTGO-VBS vehicle battery simulator range. When the two systems are used together, this can significantly improve the range of tests that can be performed without the likelihood of a power protection trip. It can also reduce the wasted power dramatically.

When the two systems are used together, a vast range of control testing can be carried out safely and efficiently, with wasted power heavily reduced and more substantial voltage drops able to be handled, increasing the breadth of possible testing.

Test and supply voltage waveforms

Test voltage output (blue), LVT-PSU set point (red)

To reduce power in the output stage of the LVTGO, LVT-PSU aims to set the output voltage to as low as possible, while being as high as is necessary for the upcoming output demand. The low voltage drop in the output stage then essentially reduces the output stage power dissipation dramatically.

This help protect not only the unit, but the user and the device under test from damage due to incorrect connection or abuse.

• Currently 15V, 20V, 30V and 60V nominal voltage ranges are available with up to 3kW output

• Robust terminals with safety covers are employed, suitable for heavy-duty, high current cables

LVT-PSU controllable power supply hardware - off• Voltage set points are available to accommodate common automotive applications

• Control is available via front panel dials, graphical user interface (GUI), or CAN

• Selectable remote sense connections are also available

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