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UCC21750-Q1: Abnormal VGE on ucc21750 when driving SIC in traction

Part Number: UCC21750-Q1
Other Parts Discussed in Thread: UCC21750

Dear team,

As in attached capture, Vge is only 12.3V at the beginning of the driving signal is active high. And when current is still ramping up, there is a great drop off on the VGE and then it start to turn off? The schematic of UCC21750 is also attached. Looking forward to your reply!

UCC21750电路.pdf