BQ24120RHLR

Battery Chargers Overview

The BQ24120RHLR is a synchronous switch-mode single-cell lithium-ion battery charger IC from Texas Instruments, housed in a 20-VQFN package. It supports an input voltage range of 4.35 V to 16 V and delivers a maximum charge current of 2 A. The device features integrated power FETs, overvoltage protection, and thermal monitoring via a thermistor pin. Designed for standalone operation with RC-settable control interfaces, it manages charging for Li-Ion and Li-Polymer batteries with adjustable output voltage up to 4.2 V.

Battery Chargers Feature Summary

• Synchronous buck converter topology for high-efficiency charging
• Integrated power MOSFETs eliminating external component count
• Standalone configuration using passive RC components for programming
• Thermal regulation and temperature monitoring capabilities

Battery Chargers Applications

• Portable consumer electronics requiring single-cell battery management
• Handheld devices utilizing lithium-ion or lithium-polymer cells
• Power path management systems for mobile applications

Battery Chargers Procurement Notes

Verify the specific suffix 'RHLR' against the manufacturer datasheet to confirm reel packaging and tape specifications. Ensure compatibility with the required operating temperature range and humidity sensitivity levels before integration. Cross-reference the exact part number with official TI documentation to validate RoHS compliance status and moisture sensitivity classification.

Battery Chargers Selection Notes

Select this component when a compact solution for single-cell charging is required without external switching transistors. It is suitable for designs prioritizing board space reduction through integrated FETs. Consider the 2 A current limit and 16 V input ceiling to ensure alignment with system power requirements and source capabilities.

Battery Chargers Part Context

This device belongs to the bqSWITCHER family of battery chargers, which emphasizes high efficiency and minimal external component counts. The RHLR variant specifically denotes the reel packaging format within the 20-VQFN product line. It shares architectural similarities with other models in the series while offering distinct current and voltage parameters tailored for specific application needs.

Battery Chargers Replacement Considerations

The BQ24125 serves as a compatible alternative within the same family, offering similar functionality with enhanced EMI performance characteristics. Designers should verify pin-to-pin compatibility and review differences in thermal management specifications during substitution.