What are the Consequences of High Low Temperature Operation of the Power Module?
January 14, 2022
Nowadays, the size of power modules is getting smaller and smaller, the power density is getting higher and higher, and the working environment of the modules is getting worse and worse, and its high and low temperature design, thermal design and stress problems have gradually attracted the attention of engineers.(High Temperature Test Chamber)
For a power module, the input and output characteristics such as input voltage range, rated power, isolation withstand voltage, efficiency, ripple and noise, and high and low temperature performance must first meet the requirements for use.(High Temperature Test Chamber)
(High Temperature Test Chamber)
Generally, in different fields of use, the requirements for the operating temperature range of the power module are different:
|Commercial product 0~70℃||Field operation equipment -55℃~85℃|
|Industrial equipment -40℃~85℃||Military equipment -55℃~125℃|
|Vehicle equipment -40℃~105℃|
What are the Consequences of Low High Temperature Operation of the Power Module?
1. The capacity with capacitive load is weakened, and it cannot be started with the maximum capacitive load;
2. Work oscillates, the output voltage ripple and noise become larger, the frequency changes, and even the output voltage jumps in severe cases, and the module whistles;
3. When starting, the output voltage overshoot becomes larger and exceeds the specified range;
4. High temperature aging damage, the module has no output;
Therefore, the high and low temperature test of the power module is a very important production link
Please contact LIB for detailed test equipment