The PAC1932 is a dual power monitor and energy monitor that reports on bus voltage and sense voltage 16-bits of resolution. Power is reported as a simultaneous product of two 16-bit independent bus and sense voltages. All registers are accessible through I2C / SMBus including an 8 sample average for reading stability.
Dual High-Side Current Sensor 100 mV full scale range for current sense voltage Selectable bidirectional measurement capability External sense resistor sets full scale current range 0 to 32V Input Common-Mode Voltage 1% Power Measurement Accuracy Over a Wide Dynamic Range On-Chip Accumulation of 28-bit Power Results for Energy Measurement 48-bit power accumulator register Sampling rates of 8, 64, 256, and 1024 samples per second At least 17 minutes of power accumulation data at 1024 samples per second 2.7V to 5.5V Supply Operation Separate VDD for I/O pin 1.62-5.5 capable SMBus and digital I/O SMBus 3.0 and I2C Fast Mode Plus WLCSP 2.225 x 2.17 or 4x4 uQFN-16