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tps65951 madc

bcb9 bcb9
Prodigy 140 points
Other Parts Discussed in Thread: TPS65951

I use adcin2 of tps65951 to sample battery voltage. The voltage of battery is 7.4V. I use two resistors 300K and 100K to divide the voltage, and get the 1.85V. When I start the MADC to sample, I read the value is 0x3ff, it is full scale. When I use mulitmeter to measure the voltage of adcin2, I can read the correct value from MADC of tps65951. This is why?