BQ24045DSQR - Texas Instruments

Manufacturer Part Number

BQ24045DSQR

Manufacturer

Texas Instruments

Introduction

The BQ24045DSQR is a highly integrated lithium-ion and lithium-polymer switch-mode battery charge management device designed for portable and handheld applications.

Product Features and Performance

Integrated power FETs

High Accuracy Voltage and Current Regulation

Programmable charge current

Thermal regulation for output transistor protection

Automatic recharge feature

LED charge status indicator

Product Advantages

Compact solution for battery charging

High integration enhances system reliability

Simplifies complexity due to fewer external components needed

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: 4.35V

Voltage Supply (Max): 28V

Operating Temperature: 0°C ~ 125°C (TJ)

Mounting Type: Surface Mount

Quality and Safety Features

Over-temperature, over-voltage, and short-circuit protection

Thermal shut down feature

Compatibility

Compatible with single cell Lithium Ion or Lithium Polymer batteries

Application Areas

Portable Electronics

Handheld Devices

Wireless Communication Equipment

Product Lifecycle

Product status: Active

No indication of near discontinuation

Replacements and upgrades are continuously evaluated

Several Key Reasons to Choose This Product

High efficiency for better battery performance and longer life

Compact 10-WSON (2x2) package suitable for small form-factor designs

Flexible programmable options for optimized charging

Robust safety features enhance device reliability in various operating conditions

Supported by Texas Instruments' renowned quality and support