·           High-Resolution, 16-bit Delta-Sigma ADC

·           Wide Common-Mode Range: –0.3V to +120V

·           Shunt Full-Scale Differential Range Options: ±163.84mV, ±81.92mV, ±40.96 mV

·           Bus Voltage Sense Input Range: 0V to 120V

·           Selectable ADC Conversion Time and Sample Averaging

·           Programmable Resistor Temperature Compensation

·           Low Input Bias Current: 0.1nA (Typical)

·           Operates on a 2.7V to 5.5V Power Supply

o    Operational Current: 1050μA (Typical)

o    Shutdown Current: 4.5μA (Typical)

·           2.94 MHz High-Speed I²C Interface with 16 Pin-Selectable Addresses

·           MSL Rating: MSL3

·           Package: MSOP10

The SQ52206 is a high-precision digital power monitor engineered for current-sensing applications, featuring a 16-bit delta-sigma ADC. It is capable of measuring a full-scale differential input, including ±163.84 mV, ±81.92mV, or ±40.96 mV, across a resistive shunt sense element. The device supports a common-mode voltage that spans from -0.3V to +120V.

The SQ52206 features a highly accurate integrated temperature sensor that enables precise measurement of die temperature. This temperature sensor is also useful for monitoring the ambient temperature of the system.

Additionally, the device is equipped with an integrated oscillator that enables it to report various measurements including current, bus voltage, temperature, power, energy, and charge accumulation. It performs all the necessary calculations in the background.

The device’s low input bias current allows for the use of larger current-sense resistors, enabling accurate current measurements even in the microampere range. With low offset and gain drift, the device is suitable for precise systems that do not require multi-temperature calibration during manufacturing. In addition, it’s extremely low offset voltage and noise make it ideal for sensing applications ranging from amperes to kiloamperes, while maintaining a wide dynamic range without significant power dissipation losses on the sensing shunt element.

The device offers selectable ADC conversion times from 66µs to 8.23ms as well as sample averaging from 1x to 1024x to further minimize noise in the measured data.