The BQ28Z620 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
BQ28Z620
firmware from TI.com)
- Sophisticated
charge
algorithms
- JEITA
- Enhanced
charging
- Adaptive
charging
- Cell
balancing
- Diagnostic
lifetime
data
monitor
- Supports
two-wire
I2C
interface
- SHA-1
authentication
- Ultra-compact
package:
12-lead
SON