S-8261ACFMD-G4FT2G

Battery Management Overview

The S-8261ACFMD-G4FT2G is a secondary protection IC for lithium-ion and lithium-polymer battery packs, designed to safeguard against overcharge, overdischarge, and overcurrent. It operates within a supply voltage range of 1.5 V to 28 V and supports cell counts from one to four in series. The device features high-precision detection voltages with low current consumption, ensuring reliable battery management. Packaged in an ultra-small SOT-23-6 format, it integrates dedicated control terminals for external FETs, facilitating compact and efficient circuit design for portable electronic applications.

Battery Management Feature Summary

• Provides comprehensive secondary protection against overcharge, overdischarge, and overcurrent conditions for multi-cell battery configurations.
• Integrates high-accuracy voltage detection circuits to maintain strict safety thresholds during charging and discharging cycles.
• Features ultra-low power consumption characteristics to minimize self-discharge and extend standby life in portable devices.

Battery Management Applications

• Protection circuits for mobile phones and smartphones
• Safety management in digital cameras and camcorders
• Secondary protection for portable medical equipment

Battery Management Procurement Notes

Verify the complete part number including suffixes such as G4FT2G to ensure correct packaging and environmental compliance specifications. Confirm that the ordering information matches the specific voltage detection tolerances and package type required for your design. Cross-reference the manufacturer's latest datasheet to validate pin assignments and electrical characteristics before finalizing procurement orders.

Battery Management Selection Notes

Select this component when designing secondary protection for single to four-series lithium-ion or polymer cells requiring high precision and low quiescent current. Ensure the external MOSFETs are compatible with the IC's drive capabilities and that the PCB layout accommodates the SOT-23-6 package dimensions. Verify that the operating temperature range meets the specific application environment requirements.

Battery Management Part Context

This device belongs to the S-8261 series of battery protection ICs manufactured by ABLIC Inc. The series is engineered for secondary protection roles, complementing primary protection circuits in lithium-based battery systems. The S-8261 family is widely recognized for its reliability in consumer electronics, offering robust safety features in a minimal footprint suitable for space-constrained portable devices.

Battery Management FAQ

What is the maximum supply voltage supported by the S-8261ACFMD-G4FT2G?

The device supports a maximum supply voltage of 28 V, allowing it to protect battery packs with up to four series-connected cells.

Does this IC provide overcurrent protection?

Yes, the S-8261ACFMD-G4FT2G includes overcurrent detection functions for both charging and discharging paths to prevent excessive current flow.