BQ24202DGN - Texas Instruments

Manufacturer Part Number

BQ24202DGN

Manufacturer

Texas Instruments

Introduction

The BQ24202DGN is a single-cell lithium-ion battery charger designed for power management in portable applications.

Product Features and Performance

Integrated Power FET and Current Sensor for up to 500mA charge applications

High-Accuracy Voltage and Current Regulation

Preset Charge Voltage with 0.5% Accuracy

Charge Current Programmable up to 500mA

Programmable Safety Timer for Charge Termination

Thermal Regulation to Maximize Charge Rate Without Risk of Overheating

Product Advantages

Optimized for USB Power Source and Adaptor Power

Reduces Board Space with High Integration

Improved Charge Safety with Multiple Fault Protections

High-Temperature Operation up to 125°C

Out-of-the-Box Solution for Quick Deployment

Key Technical Parameters

Battery Chemistry: Lithium Ion/Polymer

Number of Cells: 1

Constant Charging Current

Programmable Features: Current, Timer

Over Temperature and Short Circuit Protection

Max Charge Current: 500mA

Battery Pack Voltage: 4.2V

Supply Voltage (Max): 13.5V

Operating Temperature Range: -40°C ~ 125°C

Quality and Safety Features

Fault Protection Mechanisms

Thermal Regulation and Over Temperature Monitoring

Charge Safety Timer

High Charge Accuracy

Compatibility

Designed for Single-Cell Lithium-Ion or Polymer Batteries

Application Areas

Portable Electronics

Handheld Devices

USB-Powered Gadgets

Power Banks

Product Lifecycle

Product Status: Active

Not Nearing Discontinuation

Availability of Replacements or Upgrades for Future Designs

Several Key Reasons to Choose This Product

Highly Integrated Charge Management Solution

Support for Fast Charge Applications

Robust Safety Features for Prolonged Battery Life

Simplified Design for Portable Electronic Devices

Proven Manufacturer with Reliable Performance Track Record

Supports Wide Range of Input Voltages for Global Use