BQ24103ARHLRG4

Battery Chargers Overview

The BQ24103ARHLRG4 is a standalone synchronous switch-mode Li-Ion and Li-Polymer charge-management IC from Texas Instruments. It integrates power FETs for high efficiency within a compact 20-VQFN package measuring 4.5 x 3.5 x 0.9 mm. The device operates with an input voltage range of 4.35 V to 16 V, delivering a maximum output current of 2 A. It supports battery chemistries including Li-Ion, Li-Polymer, NiCd, and NiMH, functioning reliably across a temperature range of -40 °C to +85 °C.

Battery Chargers Feature Summary

• Integrates synchronous power FETs for efficient switching operation
• Supports multiple battery chemistries including Li-Ion and Li-Polymer
• Operates within a wide input voltage range up to 16 V
• Provides programmable charging parameters via external components

Battery Chargers Applications

• Portable consumer electronics requiring compact charging solutions
• Battery-powered medical devices
• Industrial handheld equipment
• Power tools and cordless appliances

Battery Chargers Procurement Notes

Verify the specific suffix ARHLRG4 against the manufacturer's latest datasheet to confirm pinout and thermal characteristics. Ensure compliance with RoHS directives and check moisture sensitivity level (MSL 2) requirements for surface-mount assembly processes. Confirm availability through authorized distributors as lead times may vary.

Battery Chargers Selection Notes

Select this component for applications requiring a single-chip solution with integrated switches to minimize board space. It is suitable where input voltages fluctuate between 4.35 V and 16 V. Consider the 20-VQFN package constraints for thermal management and ensure the design accommodates the required external passive components for optimal performance.

Battery Chargers Part Context

This part belongs to the bqSWITCHER family of charge-management ICs. It shares architectural similarities with other models in the series but is distinguished by its specific current rating and package configuration. The device is designed to simplify battery charger design by integrating control logic and power stages into a single monolithic chip.

Battery Chargers Replacement Considerations

Direct substitutes include other members of the BQ2410x series such as BQ24100 or BQ24105, provided pin compatibility and electrical specifications align with the system requirements. Verify functional equivalence before substitution.