Manufacturer Part Number
BQ24091DGQR
Manufacturer
Texas Instruments
Introduction
The BQ24091DGQR is a highly integrated single-cell Li-Ion/Li-Polymer battery charger integrated circuit (IC) designed for space-constrained portable applications.
Product Features and Performance
Integrated Power MOSFET with 60mΩ on-resistance
Programmable charge current up to 1A
Constant-current/constant-voltage charging algorithm
Automatic charge termination and recharge
Thermal regulation to maximize charge rate
Undervoltage, overvoltage, overcurrent, and overtemperature protection
Product Advantages
Compact 10-pin HVSSOP package
Highly integrated design reduces external component count
Programmable charge current for optimized battery charging
Comprehensive safety and protection features
Key Technical Parameters
Battery Pack Voltage: 4.2V
Number of Cells: 1
Battery Chemistry: Lithium Ion/Polymer
Charge Current Max: 1A
Programmable Features: Current
Charge Mode: Constant-Current, Constant-Voltage
Interface: USB
Voltage Supply (Max): 6.45V
Quality and Safety Features
Fault Protection: Over Temperature, Over Voltage, Short Circuit
RoHS3 Compliant
Compatibility
This device is compatible with single-cell Li-Ion and Li-Polymer battery packs.
Application Areas
Portable electronics
Smartphones, tablets, and other mobile devices
Power banks and backup batteries
Product Lifecycle
The BQ24091DGQR is an active and available product from Texas Instruments. There are no indications of an impending discontinuation, and replacements or upgrades may be available in the future.
Key Reasons to Choose This Product
Highly integrated design for compact and efficient battery charging solutions
Programmable charge current for optimized battery charging
Comprehensive safety and protection features to ensure reliable operation
Widespread compatibility with single-cell Li-Ion and Li-Polymer battery packs
Ongoing availability and support from a reputable manufacturer, Texas Instruments