STMicroelectronics TSC1641 60V 16-Bit High-Precision Power Monitor

STMicroelectronics TSC1641 60V 16-Bit High-Precision Power Monitor is a versatile analog front-end (AFE) with high-precision monitoring capabilities. The STMicroelectronics TSC1641 can synchronize current monitoring through a shunt resistor and voltage monitoring up to 60V. Current measurement is adaptable for high-side, low-side, and bidirectional use. This device features a 16-bit dual-channel ADC with programmable conversion times ranging from 128µs to 32.7ms. Its digital bus interface offers flexibility, supporting data rates from 1MHz for I²C/SMbus to 12.5MHz for MIPI I³C, facilitating compatibility with various STM32 products. The TSC1641 enables the configuration of alert thresholds for voltage, current, power, and temperature, each in a specific register. It is packaged in a plastic DFN10 format and operates within a temperature range of -40°C to 125°C.

Features

16-bit resolution dual-channel sigma-delta ADC
2.7V to 3.6V power supply voltage
From 128µs to 32.7ms total conversion time
Bidirectional current, high-side, or low-side sensing
Load voltage sensing from 0V to 60V
Ultra-low input bias current, 20pA typical at V_CM = 12V
Ultra-low shutdown current, 50nA typical
Shunt offset voltage, ±3µV typical
Shunt and load voltage gain error, 0.5% maximum

Internal die temperature monitoring
MIPI I³C up to 12.5MHz
I²C bus interface up to 1MHz
Default I²C address of 1000000(b) to 1000011(b)
SMBus alert compatible
Alert signals are generated in case of over/undervoltage, over/undercurrent, overpower, or overtemperature
-40°C to 125°C extended temperature range
DFN10 3mm² x 3mm² package

Applications

Industrial battery packs
Power inverters
DC power supplies

Data centers
Telecom equipment
Power tools

STMicroelectronics TSC1641 60V 16-Bit High-Precision Power Monitor

Features

Applications

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