Manufacturer Part Number
BQ24090DGQR
Manufacturer
Texas Instruments
Introduction
The BQ24090DGQR is a highly integrated lithium-ion battery charger tailored for portable applications.
Product Features and Performance
Integrated Power FET for up to 1A charge rate
High Accuracy Voltage and Current Regulation
Thermal Regulation for Optimized Charge Cycle Time
LED Status Indication for Charge Progress
Automatic Recharge Feature
Safety Timer for Charge Termination
Preconditioning for Deeply Discharged Cells
High Integration to Minimize External Component Count
Product Advantages
Improved Charge Safety with Over Temperature and Over Voltage Protection
Short Circuit Protection Enhances System Safety
Programmable Charging Current Allows Flexibility
High-Efficiency Charging Maximizes Battery Performance
Key Technical Parameters
Battery Chemistry: Lithium Ion/Polymer
Number of Cells: 1
Current - Charging: Constant, Programmable
Fault Protection: Over Temperature, Over Voltage, Short Circuit
Charge Current - Max: 1A
Battery Pack Voltage: 4.2V
Voltage - Supply (Max): 6.45V
Interface: USB
Operating Temperature Range: 0°C ~ 125°C (TJ)
Quality and Safety Features
Accurate Current and Voltage Regulation Ensures Long Battery Life
Thermal Feedback Prevents Overheating
Built-In Safety Timer for End-of-Charge Control
Automatic Cell Conditioning for Battery Health
Compatibility
Compatible with Single-Cell Lithium Ion or Lithium Polymer Batteries
USB Interface Supports Portable and USB-Powered Devices
Application Areas
Smartphones and Tablets
Portable Electronics
Wearable Devices
Digital Cameras
GPS Units
Product Lifecycle
Product Status: Active
No Indication of Discontinuation
Replacement and Upgrade Options Typically Offered by Manufacturer
Several Key Reasons to Choose This Product
Supports Fast Charging with Up to 1A Charge Current
Flexible Programming Options to Match Specific Battery Requirements
Multifaceted Protection Features Ensure Safe Operation
Minimized External Component Requirements for Space-Limited Applications
Robust Operating Temperature Range Caters to Harsh Environments
Reputable Manufacturer with Industry-Leading Expertise in Power Management
Automatic Battery Conditioning for Enhanced Battery Lifespan
BQ24085DRCRG4Texas Instruments