BQ24202DGNR - Texas Instruments

Manufacturer Part Number

BQ24202DGNR

Manufacturer

Texas Instruments

Introduction

The BQ24202DGNR is a highly integrated lithium-ion/polymer battery charger from Texas Instruments designed for a single cell, employing constant current charging with programmable features.

Product Features and Performance

Integrated power FET and current sensor for up to 500mA charge current

High-accuracy voltage and current regulation

Status outputs for LED or host processor indication

Safety timers for precharge and fast charge phases

NTC thermistor interface for battery temperature monitoring

Thermal shutdown and protection

Product Advantages

High level of integration for compact design

Programmable through external resistors

Automatic recharge feature

Available in a small, lead-free package

Key Technical Parameters

Battery Chemistry: Lithium Ion/Polymer

Number of Cells: 1

Charge Current - Max: 500mA

Battery Pack Voltage: 4.2V

Voltage - Supply (Max): 13.5V

Operating Temperature: -40°C to +125°C (TJ)

Mounting Type: Surface Mount

Quality and Safety Features

Over Temperature Protection

Short Circuit Protection

Thermal Regulation to Prevent Overheating

Compatibility

Compatible with single-cell lithium-ion or lithium-polymer batteries

Application Areas

Portable consumer electronics

Handheld devices

Battery-powered equipment

Product Lifecycle

Currently Active

Future discontinuation will be advised by TI with notice, and replacement models or upgrades will be suggested

Several Key Reasons to Choose This Product

Compact solution for portable devices

Wide input voltage range compatible with USB and adapter power sources

Flexibility in programming charge parameters

Highly efficient with low quiescent current

Robust design with built-in fault protection features

Support from a reputable semiconductor manufacturer like Texas Instruments