Manufacturer Part Number
BQ294705DSGT
Manufacturer
Texas Instruments
Introduction
The BQ294705 is a highly integrated single-cell lithium-ion (Li-ion) or lithium-polymer (Li-poly) battery pack fuel gauge and protector. It provides comprehensive battery pack management functions in a small package.
Product Features and Performance
Highly integrated fuel gauge and protector
Supports 2-4 cell Li-ion/Li-poly battery packs
Accurate fuel gauging with Coulomb counter
Integrated low-side MOSFET for overcurrent and overcharge protection
Overvoltage, undervoltage, and overtemperature protection
State-of-health (SOH) and state-of-charge (SOC) reporting
Low operating current for extended battery life
Product Advantages
Comprehensive battery management in a small package
Improves battery life and safety
Reduces system complexity and bill of materials
Key Technical Parameters
Operating voltage: 4.5V to 10.5V
Quiescent current: 12μA (typical)
Overcurrent threshold: 1A to 8A (programmable)
Overcharge voltage threshold: 4.2V to 4.35V (programmable)
Discharge undervoltage threshold: 2.5V to 3.0V (programmable)
Quality and Safety Features
RoHS3 compliant
Supports overcurrent, overcharge, and undervoltage protection
Overtemperature protection
Compatibility
Compatible with 2-4 cell Li-ion/Li-poly battery packs
Application Areas
Portable electronics
Power tools
Battery-powered applications
Product Lifecycle
The BQ294705 is an active product and is not nearing discontinuation.
Replacement or upgrade options are available from Texas Instruments.
Key Reasons to Choose This Product
Comprehensive battery management in a small package
Improves battery life and safety
Reduces system complexity and bill of materials
Programmable protection thresholds for customized settings
Low quiescent current for extended battery life
RoHS3 compliant for environmental compliance
BQ294708DSGTTexas Instruments