BQ24120RHLRG4

Battery Chargers Overview

The BQ24120RHLRG4 is a synchronous switch-mode battery charger designed for single-cell lithium-ion or lithium-polymer batteries. It features an integrated power path management system that optimizes input current from USB or AC adapters while prioritizing system load. The device supports programmable charge current and termination voltage, with a maximum charge current of 2A and a battery pack voltage of 4.2V. It operates within a supply voltage range up to 16V and functions across a temperature range of -40°C to 85°C. The component is housed in a 20-VQFN package measuring 3.5x4.5mm.

Battery Chargers Feature Summary

• Integrates synchronous rectification for high-efficiency charging
• Manages dynamic power path to balance system load and battery charging
• Supports programmable charge current and timer settings

Battery Chargers Applications

• Portable consumer electronics requiring single-cell Li-Ion/Li-Pol charging
• USB-powered devices with dynamic power path requirements
• Battery management systems in handheld gadgets

Battery Chargers Procurement Notes

Verify the specific suffix 'G4' against the manufacturer's latest documentation to confirm compliance status and availability. Ensure the ordering part number matches the exact package and tape/reel specifications required for your assembly process. Cross-reference with official distributors to confirm current stock levels and lead times, as component availability may vary by region and production cycle.

Battery Chargers Selection Notes

Select this component for applications requiring efficient single-cell charging with integrated power path management. It is suitable for designs where input current limiting from USB or wall adapters is critical. Consider the 20-VQFN package size for space-constrained layouts. Verify compatibility with the target battery chemistry and ensure the thermal performance meets the operating environment requirements.

Battery Chargers Part Context

This part belongs to the bqSWITCHER family of battery chargers from Texas Instruments. It is related to other models such as BQ24100 and BQ24125, which share similar switching charger architectures but differ in cell count support and specific feature sets. The RHLRG4 designation indicates a specific package type and reel configuration within this product line.

Battery Chargers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data. Consult Texas Instruments for recommended alternatives if this component is discontinued or unavailable.