Hi,
I am curious that how can ı choose electrolytic capacitor of auxiliary circuit?
Firstly, I used 10uF electrolytic capacitor at Vcc pin.When I short circuit the output, the HB mosfets has failed.
Then I notice that STCMB1 datasheet mention this topic. According to STCMB1 datasheet, an electrolytic capacitor of at least 22 μF (typ. value) must be connected between the pin and GND. But when ı place 22uF electrolytic capacitor, I'm having trouble with the short circuit test. After a short circuit (about 20s), it causes the LEDs flickering.
Therefore, I used 100uF electrolytic capacitor at Vcc pin.I thought I solved the problem using 100uF but i encountered a new problem. I produced 10 driver and tested them. Almost half of them are undecided about working. The driver which worked yesterday, it does not work today.
