S-8261ABMMD-G3MT2U

Battery Management Overview

The S-8261ABMMD-G3MT2U is a lithium-ion battery protection IC from the S-8261 series, designed for single-cell protection. It features high-precision voltage detection with overcharge detection voltages selectable between 3.900 V and 4.500 V in 5 mV steps (accuracy ±25 mV at 25°C). Overdischarge detection ranges from 2.000 V to 3.000 V in 10 mV steps (accuracy ±50 mV). The device includes built-in delay circuits for overcharge, overdischarge, and overcurrent conditions without external capacitors. It supports charger detection and abnormal charging current detection, operates within a wide temperature range of -40°C to +85°C, and offers low power consumption with typical standby current of 3.5 μA.

Battery Management Feature Summary

• Built-in high-precision voltage detection circuits for overcharge, overdischarge, and overcurrent protection
• Integrated delay circuits eliminate the need for external capacitors
• Supports charger detection and abnormal charging current detection functions
• Low power consumption with selectable sleep mode functionality

Battery Management Applications

• Lithium-ion rechargeable battery packs
• Lithium-polymer rechargeable battery packs
• Portable electronic devices requiring single-cell battery protection

Battery Management Procurement Notes

Verify the specific suffix G3MT2U against official ABLIC documentation to confirm pinout and electrical characteristics. Ensure compatibility with your system's voltage requirements and thermal management needs. Confirm RoHS compliance status through the manufacturer's datasheet or environmental declaration. Cross-reference the part number with authorized distributors to avoid counterfeit components.

Battery Management Selection Notes

Select this component when precise voltage monitoring is required for single-cell lithium batteries. The adjustable hysteresis and detection thresholds allow customization for specific cell chemistries. Consider the SOT-23-6 package size for space-constrained designs. Evaluate the low standby current benefit for battery-powered applications where energy efficiency is critical.

Battery Management Part Context

The S-8261 series is a family of battery protection ICs manufactured by ABLIC Inc., formerly Seiko Instruments. These ICs are widely used in consumer electronics and industrial applications for protecting lithium-based cells. The S-8261ABMMD variant specifically denotes a particular configuration within this series, offering fixed or selectable parameters depending on the full part number suffix.

Battery Management Replacement Considerations

Consult ABLIC's official cross-reference guide for direct replacements. Generic equivalents may not match the precision or feature set. Verify pin compatibility and electrical specifications before substitution.