Author Topic: Steve's schematic can apply the TC4422 chip  (Read 383 times)

Offline VNTC

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Steve's schematic can apply the TC4422 chip
« on: September 09, 2019, 04:16:07 AM »
I had trouble with the GDT signal(signal ripples) for half a year.
Finally, I found the reason is that the UCC2732x driver chip (China’s product) has 3 pin does not work as enable pin.(no function pin)
The way to fix this problem is: use this schematic below

ChipTC4422 can work up to 18VCC so they provide more power to drive the GDT.

pipple GDT wave

Normal GDT wave
« Last Edit: September 13, 2019, 03:17:13 AM by VNTC »

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Steve's schematic can apply the TC4422 chip
« on: September 09, 2019, 04:16:07 AM »

 


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