BQ24105RHLR

Battery Chargers Overview

The BQ24105RHLR is a standalone synchronous buck battery charger IC from the bqSWITCHER family, designed for 1 to 3-cell lithium-ion or lithium-polymer battery packs. It supports an input voltage range up to 16V and delivers a maximum programmable charging current of 2A. The device integrates a charge timer and offers adjustable output voltage with a maximum battery pack voltage of 15.5V. Operating within a temperature range of -40°C to +85°C, it utilizes a 20-VQFN package (3.5x4.5mm) and includes overvoltage and thermal fault protection.

Battery Chargers Feature Summary

• Integrates a synchronous buck converter topology for high-efficiency power conversion in compact designs.
• Supports multi-chemistry battery types including lithium-ion and lithium-polymer configurations.
• Features integrated safety mechanisms such as thermal regulation and charge termination timers.

Battery Chargers Applications

• Portable consumer electronics requiring single or dual-cell battery management
• Industrial handheld devices and tools
• Medical equipment utilizing rechargeable battery packs

Battery Chargers Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm exact packaging and moisture sensitivity levels. Ensure compatibility with your system's input voltage constraints and thermal requirements before integration. Cross-reference the datasheet for precise pinout definitions and recommended external component values to guarantee reliable operation under specified load conditions.

Battery Chargers Selection Notes

Select this component when designing systems with input voltages up to 16V and requiring up to 2A charging current. It is suitable for applications needing a compact solution for 1 to 3 series cells. Consider the thermal performance and available board space for the VQFN package when finalizing the design layout.

Battery Chargers Part Context

This part belongs to the bqSWITCHER family of battery chargers, which are characterized by their integrated power switches and synchronous rectification. The BQ24105 variant specifically targets applications requiring robust protection features and flexible configuration options for various lithium-based battery chemistries within a small form factor.

Battery Chargers Replacement Considerations

Consult the official datasheet for direct pin-to-pin compatible alternatives within the same product family. Verify that any substitute part maintains identical electrical specifications and package dimensions to ensure seamless integration without redesigning the printed circuit board.