BQ34Z100 Wide Range Fuel Gauge with Impedance Track™ Technology

1 Features

Supports Li-ion and LiFePO₄ chemistries
Capacity estimation using patented Impedance Track™ technology for batteries from 3 V to 65 V
- Aging compensation
- Self-discharge compensation
Supports battery capacities Above 65 Ah
Supports charge and discharge currents Above 32 A
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: < 140-µA average
- SLEEP: < 64-µA average
- FULL SLEEP: < 19 -µA average
Package: 14-pin TSSOP