BQ27Z746 Overview
The Texas Instruments BQ27Z746 Impedance Track™ gas gauge solution is a highly integrated, accurate 1-series cell gas gauge and protection solution. The BQ27Z746 device provides a fully integrated pack-based solution with a flash programmable custom reduced instruction-set CPU (RISC), safety protection, differential battery sensing analog output, and authentication for 1-series cell Li-ion and Lipolymer battery...
BQ27Z746 Key Features
- Integrated battery gas gauge and protector
- Flash-programmable custom BQBMP RISC CPU
- SHA-256 authentication
- 400-kHz I2C bus munications interface
- Low-voltage (2.0 V) operation
- Two independent precision 16-bit ADCs
- Coulomb counting ADC with current sense resistor down to 1 mΩ
- Voltage ADC for cell voltage and external and internal temperature sensors
- Battery fuel gauging based on patented Impedance Track™ technology
- Models battery discharge curve for accurate time-to-empty predictions
BQ27Z746 Applications
- Any end equipment with 1-series rechargeable batteries