• Part: BQ27Z746
  • Description: Battery Gas Gauge and Protection
  • Manufacturer: Texas Instruments
  • Size: 1.41 MB
Download BQ27Z746 Datasheet PDF
Texas Instruments
BQ27Z746
Features - Integrated battery gas gauge and protector - Flash-programmable custom BQBMP RISC CPU - SHA-256 authentication - 400-k Hz 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 - Automatically adjusts for aging-, temperature-, and rate-induced effects on the battery - Battery Kelvin sense differential analog output pins with built-in protection - High-side or low-side current sensing - Programmable hardware-based protection - High-side FET gate drivers - Overvoltage and undervoltage (OVP and UVP) - Overcurrent in discharge and overcurrent in charge (OCD and OCC) - Short circuit in discharge (SCD) - Firmware-based overtemperature (OT) - Reduced typical...