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UCC256402: UCC256402 related issues

Part Number: UCC256402

Tool/software:

Hello,

The customer is using UCC256402 product and has encountered burning issues with the upper and lower tubes. Please help analyze the cause and also ask how to set the dead time. Thank you!


The schematic diagram of UCC256402 is as follows:


The driving waveforms of the upper and lower tubes are as follows: the low side driving waveform is yellow, and the high side driving waveform is green.