BQ24721CRHBTG4

Battery Chargers Overview

The BQ24721CRHBTG4 is a smart battery charger from Texas Instruments designed for single-cell lithium-ion and lithium-polymer batteries. It integrates a high-efficiency synchronous buck converter with an input current limit controller to optimize charge time while protecting the host system. The device supports programmable charge current and voltage, featuring thermal regulation and input undervoltage lockout. It operates within a wide supply voltage range and includes comprehensive safety protections such as input overvoltage, battery thermistor monitoring, and temperature monitoring.

Battery Chargers Feature Summary

• Integrates a synchronous buck converter with input current limiting for optimized charging performance
• Supports programmable charge current and termination voltage for flexible battery management
• Includes thermal regulation and battery thermistor monitoring for enhanced safety

Battery Chargers Applications

• Single-cell lithium-ion battery charging in portable devices
• Lithium-polymer battery charging in consumer electronics
• Power management in industrial equipment requiring compact battery solutions

Battery Chargers Procurement Notes

Verify the exact suffix 'G4' indicates lead-free compliance and RoHS status per Texas Instruments documentation. Confirm package marking and date codes match official datasheets. Ensure sourcing from authorized distributors to guarantee authenticity and traceability. Check for any specific handling or storage requirements outlined in the manufacturer's guidelines.

Battery Chargers Selection Notes

Select this component for applications requiring a compact, efficient solution for single-cell Li-ion or Li-Po batteries. Consider its integrated input current limiting if system power constraints are critical. Evaluate the need for external components based on desired charge profiles and protection features. Compare pin compatibility and thermal performance with alternative chargers if space is limited.

Battery Chargers Part Context

This part belongs to the bqSWITCHER family of battery chargers from Texas Instruments. It is designed to replace older linear chargers by offering higher efficiency and reduced heat dissipation. The G4 suffix typically denotes environmental compliance updates. It is commonly used in mobile phones, tablets, and other portable gadgets where size and efficiency are paramount.

Battery Chargers Replacement Considerations

Check for direct substitutes like the BQ24720 or BQ24725 series if different input voltage ranges or additional features are needed. Verify pin-to-pin compatibility before substitution. Consult Texas Instruments for recommended alternatives if the BQ24721CRHBTG4 is discontinued or unavailable.