GLF73910-BD01

Battery Management Overview

The GLF73910-BD01 is an ultra-low power lithium-ion battery protection IC from the IQSmart series, designed for TWS applications. It features a standby current of 0.8uA and shutdown current of 0.1uA. The device has a minimum on-resistance of 38mΩ and overcurrent protection at 600mA. It utilizes a WLCSP-4L package with dimensions of 0.97mm x 0.97mm. The chip provides full protection including overcharge, over-discharge, and overcurrent detection.

Battery Management Feature Summary

• Integrates full battery protection functions without external MOSFETs
• Adopts positive-cut architecture for system stability and EMI improvement
• Features non-auto-recovery after power-off for enhanced safety

Battery Management Applications

• TWS Bluetooth earbuds
• Small capacity lithium battery packs
• Ultra-small IoT devices

Battery Management Procurement Notes

Verify the specific suffix BD01 against official GLF Integrated Power documentation to confirm exact pinout and electrical tolerances. Ensure compatibility with target PCB footprint and thermal requirements. Confirm availability through authorized distributors as supply chain data varies by region.

Battery Management Selection Notes

Select this component for designs requiring minimal board space and extended battery life in wearable electronics. The integrated protection eliminates external passives, reducing BOM cost. Consider the 0.97mm package size constraint and verify that the 38mΩ resistance meets voltage drop requirements for the specific load current.

Battery Management Part Context

Part of the GLF IQSmart family focusing on ultra-low power consumption. Targets the growing TWS market where size and standby efficiency are critical. Manufactured by GLF Integrated Power, leveraging proprietary processes for high integration and low leakage currents compared to traditional discrete solutions.

Battery Management Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Direct replacement requires verification of pin-to-pin compatibility and electrical parameter equivalence with existing inventory or alternative suppliers.