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TPS27SA08-Q1: TPS27SA08-Q1 shows jump in SNS signal data during EMC immunity test

Part Number: TPS27SA08-Q1


At present, when the equipment is tested for EMC, the SNS current sampling signal will jump when doing radiation immunity and handheld immunity test. The normal 3A sampling value becomes 1.5A or 5.5A. After the interference is turned off s data return to normal, please ask what can be done to overcome this problem?Using shielded wires may be a solution, but our equipment cannot use shielded wires during normal use, the equipment can only use unshielded wires. Is there any other way to optimize it. For example, circuit design, filtering and other methods. Thank you.