This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

SN75176B: DS75176 schematic and Layout review

Part Number: SN75176B


Dear Sir,

My customer is using DS74176 for 1 phase and 3 phase ESS.

Tt have been happened IC burnt issue continuously about 300set/1000set(board) on field.

Could you please review schematic and layout as attached files.

3 Phase schematic

1 Phase schematic

Gerber file.

125I_MMI_VER1.0_gerber_.zip