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UCC27528 Using at high side gate driver

Other Parts Discussed in Thread: UCC27528

Hi

My customer is using UCC27528 as high/Low side gate driver.
Detail is attached file.

He has a issue.
UCC27528 is broken.
-> Broken case is "Only High side" or "High side and Low side"
"Output pin and VDD is short" or "Output pin and GND is short"

I red the followng document.
www.ti.com/.../slua669.pdf
But I don't know the cause of this issue.

Could you give me advice about the cause of this issue, please?

Best regards
Shimizu

UCC27528.pptx