bq34z100-G1

www.ti.com SLUSBZ5D – JANUARY 2015 – REVBBISQQE33D44AZZP11R00IL002--GG02111 SLUSBZ5D – JANUARY 2015 – REVISED APRIL 2021 BQ34Z100-G1 Wide Range Fuel Gauge with Impedance Track™ Technology 1 Features Supports Li-ion, LiFePO4, PbA, NiMH, and NiCd chemistries Capacity estimation using patented Impedance Track™ technology for batteries from 3 V to 65 V – Aging compensation – Self-discharge compensation Supports battery capacities up to 29 Ah with standard configuration options Supports charge and discharge currents up to 32 A with standard configuration options External NTC thermistor support Supports two-wire I2C and HDQ single-wire communication interfaces with host system SHA-1/HMAC authentication One- or four-LED direct display control Five-LED and higher display through port expander Reduced power modes (typical battery pack operating range conditions) – NORMAL operation: < 145-µA average – SLEEP: < 84-µA average – FULL SLEEP: < 30-µA average Package: 14-pin TSSOP 2 Applications Light electric vehicles Medical instrumentation Mobile radios Power tools Uninterruptible power supplies (UPS) 3 Description The BQ34Z100-G1 device is an Impedance Track™ fuel gauge for Li-ion, PbA, NiMH, and NiCd batteries, and works independently of battery seriescell configurations. Batteries from 3 V to 65 V can be easily supported through an external voltage translation circuit that is controlled automatically to reduce system power consumption. The BQ34Z1...