BQ24305DSGR

Battery Management Overview

The BQ24305DSGR is a charger front-end protection integrated circuit manufactured by Texas Instruments. It provides over-voltage and overcurrent protection for lithium-ion battery charging systems. The device features a maximum input voltage rating of 30 V and delivers a regulated 5.5 V output suitable for powering downstream charge controllers. Designed for single-cell applications, it operates within an extended temperature range from -40 °C to +85 °C. The typical operating current is 410 µA, ensuring minimal quiescent power consumption during standby modes.

Battery Management Feature Summary

• Provides robust over-voltage and overcurrent protection for the charging front end
• Integrates a low-dropout regulator to supply stable power to the main charge controller
• Supports single-series cell lithium-ion battery architectures

Battery Management Applications

• Protection circuits for portable electronic devices
• Front-end protection in consumer electronics battery packs
• Power management stages in mobile communication equipment

Battery Management Procurement Notes

Verify the specific suffix DSGR against the official datasheet to confirm package type and reel specifications. Ensure compatibility with the target system's input voltage limits and thermal requirements. Confirm RoHS compliance status as per the latest manufacturer documentation before finalizing procurement orders.

Battery Management Selection Notes

Select this component when designing systems requiring dedicated hardware protection for single-cell lithium batteries. It is suitable for applications where a separate LDO is needed to power the primary charge controller IC. Evaluate the 30 V input limit and 5.5 V output capability against the specific system power rail requirements.

Battery Management Part Context

This part belongs to the BQ2430x series of charger front-end protection ICs from Texas Instruments. These components are designed to safeguard the charging path in portable devices. The DSGR variant specifically denotes the WSON-8 package configuration, distinguishing it from other pin-compatible or functionally similar parts in the broader portfolio.

Battery Management Replacement Considerations

The BQ24300 is documented as a comparable alternative within the same family. Verify electrical parameters such as operating current and output voltage stability before substitution.