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Forum Post: LMP92066: LMP92066 device version A1 output voltage accuracy

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Part Number: LMP92066 Hi, so far we've been working with LMP92066 device version A0 (marking 79AXN7U) which works just fine with excellent accuracy. Now we got a new batch of boards where the device version as read back in register 1F is A1 (device marking 7BAX89U). There, we see an accuracy of the output voltage of just +/-50..80mV, i.e. the output voltage is 50..80mV lower or higher than the set value (in override mode. register readback verifies that the correct values are written in). So -is there any change in programming for revision A1? -does revision A1 even exist or is it a fake chip? -have you seen similar behavior on revision A1? Thanks a lot and kind regards, Jan

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