Ambient temperature simulation system and method for semiconductor devices based on temperature-controlled radiator

Abstract

The present invention provides a semiconductor device environment temperature simulation system and method based on a temperature-controlled radiator, wherein: the simulation method is to convert the simulated ambient temperature into the radiator temperature through a compensation link to realize the simulation of the ambient temperature working condition; The simulation system includes: heat dissipation device, measurement system, heating and cooling system, and temperature control system; among them, the heat dissipation device is used to place the system under test; the measurement system is used to measure various temperature parameters; the heating and cooling system is used to heat and cool the cooling device ; The temperature control system is used to control the heating and cooling system, and then control the temperature of the cooling device and power semiconductor devices. The invention can simulate various dynamic and static ambient temperature working conditions of the power semiconductor device to be tested, has low cost and is easy to popularize.

Description

technical field [0001] The present invention relates to the technical field of power electronics, in particular to a semiconductor device ambient temperature simulation system and method based on a temperature-controlled radiator. Background technique [0002] In the field of power electronics technology, the life of power semiconductor devices is very sensitive to temperature. The ambient temperature directly affects the working status of power semiconductor devices. The ambient temperature conditions pose a huge challenge to the reliability of power electronics. In addition, effectively simulating the ambient temperature conditions of power semiconductor devices is helpful for accurate testing of power semiconductor devices, which in turn can guide device selection and optimal design. [0003] The traditional method of simulating the ambient temperature of power semiconductor devices in the field of power electronics technology uses a constant temperature box to simulate ...

AI Technical Summary

Problems solved by technology

[0004] 1) The thermostat takes a long time to adjust and cannot simulate the sudden rise and fall of the ambient temperature

[0005] 2) Expensive and bulky;

[0006] 3) It is impossible to examine the characteristics of the radiator under operating conditions, and there are usually radiators in the actual system, and the temperature of the radiator will also affect the temperature characteristics of the device

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