The BQ28Z610-R2 device provides a feature-rich gas gauging solution for 1-series cell to 2-series cell battery-
pack applications. The device has extended capabilities, including:
• Fully integrated 1-series to 2-series cell Li-ion or Li-polymer cell battery pack manager and protection
• Next-generation patented Impedance Track
®
technology accurately measures available charge in Li-ion and
Li-polymer batteries
• High side N-CH protection FET drive
• Integrated cell balancing while charging or at rest
• Power modes
– NORMAL mode
– SLEEP mode
– SHUTDOWN mode
• Full array of programmable protection features
– Voltage
– Current
– Temperature
– Charge timeout
– CHG/DSG FETs
– Cell Imbalance
– BROADCAST mode (available with BQ28Z610-R2 firmware from TI.com)
• Sophisticated charge algorithms
– JEITA
– Enhanced charging
– Adaptive charging
– Cell balancing
• Diagnostic lifetime data monitor
• Supports two-wire I
2
C interface
• SHA-1 authentication
• Ultra-compact package: 12-lead SON
Chapter 1
Introduction
www.ti.com Introduction
SLUUCO0 – APRIL 2022
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BQ28Z610-R2 11
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