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BQ24103ARHLR

TIBQ24103ARHLR

Texas Instruments
Charger IC Lithium Ion/Polymer 20-VQFN (3.5x4.5)
NRND8,149 in stock

Overview

The BQ24103ARHLR is a highly integrated Li-Ion and Li-Polymer switch-mode charge management IC designed for single or dual-cell battery packs. It features an integrated synchronous fixed-frequency PWM controller and power FETs, enabling efficient battery charging. This device offers high-accuracy voltage and current regulation, along with various protection features.

Why Choose This Part

This charger IC integrates power FETs and a synchronous PWM controller, reducing external component count and board space. It provides high-accuracy voltage and current regulation, ensuring optimal battery charging and extending battery lifespan. Features like battery temperature monitoring, reverse leakage protection, and thermal shutdown enhance system reliability and safety.

Applications

Portable Media Players
Efficiently charges Li-Ion/Polymer batteries, extending playtime and ensuring reliable power management for portable audio and video devices.
Handheld Devices
Provides compact and robust battery charging solutions for various handheld electronics, from medical devices to industrial scanners, requiring reliable power.
Smartphones and Tablets
Manages battery charging with high efficiency and accuracy for mobile communication and computing devices, supporting up to 2A charge current.
USB Powered Devices
Ideal for devices that charge via a USB port, providing integrated power management and protection features for compact designs.
Power Tools
Suitable for charging single or dual-cell battery packs in cordless power tools, benefiting from its robust design and thermal protection.
GPS Navigation Systems
Offers reliable power management for portable GPS units, ensuring long operational times and efficient battery charging on the go.

Key Specifications

Mounting Type Surface Mount
Package / Case 20-VFQFN Exposed Pad
Number of Cells 1 ~ 2
Fault Protection Over Temperature, Over Voltage
Battery Chemistry Lithium Ion/Polymer
Current - Charging Constant - Programmable
Battery Pack Voltage 8.4V
Charge Current - Max 2A
Operating Temperature -40degC ~ 85degC (TA)
Programmable Features Current, Timer
Voltage - Supply (Max) 16V
Supplier Device Package 20-VQFN (3.5x4.5)

Getting Started

To get started with the BQ24103ARHLR, refer to the Texas Instruments BQ24103EVM evaluation module. Utilize the comprehensive datasheet for schematic design and component selection. The device's ISET1, ISET2, and CE pins allow for programmable charge current and charge enable control.

Also Consider

MCP73831T-2ACI/OT MCHPMicrochip Technology - This low-cost linear Li-Ion charger is suitable for applications requiring simpler charging circuits and lower charge currents.