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LM2904: Could u help to check use LM2904 as current detection circute ,and the current error is high

Part Number: LM2904

Tool/software:

Dear Expert

10A input current sampling high normal 0.488-0.723 actual: 0.755: After maintenance analysis, it was found that U5 (LM2904DR) was faulty, and it was replaced and OK. What is the reason for the 2% failure rate?