S-8261ABYMD-G3YT2U

Battery Management Overview

The S-8261ABYMD-G3YT2U is a single-cell lithium-ion or lithium-polymer battery protection IC from ABLIC. It provides overcharge, overdischarge, and overcurrent protection with high detection accuracy. The device features an operating voltage range of 1.5 V to 28 V and supports a maximum working temperature of +85°C and a minimum of -40°C. It utilizes a SOT-23-6 surface-mount package. Key electrical parameters include an overcharge detection voltage of 4.275 V, an overcharge release voltage of 4.175 V, an overdischarge detection voltage of 2.500 V, and an overdischarge release voltage of 2.600 V.

Battery Management Feature Summary

• Integrates high-precision voltage detection circuits for overcharge, overdischarge, and overcurrent conditions without requiring external capacitors for delay timing.
• Includes built-in charger detection and abnormal charging current detection functions to enhance safety during charging cycles.
• Supports selectable sleep mode functionality and allows configuration for charging zero-volt batteries.

Battery Management Applications

• Protection circuits for single-cell lithium-ion rechargeable battery packs
• Safety management in lithium-polymer rechargeable battery modules
• Portable electronic devices requiring integrated cell protection

Battery Management Procurement Notes

Verify the specific suffix codes against official datasheets to confirm exact voltage thresholds and package variations. Ensure compatibility with the target battery chemistry and operating environment. Confirm RoHS compliance status through manufacturer documentation prior to integration.

Battery Management Selection Notes

Select this component when designing protection for single-cell Li-ion or Li-Po batteries requiring precise voltage monitoring. Consider the fixed detection voltages and the need for internal delay circuits. Evaluate the SOT-23-6 package constraints and thermal performance within the specified operating temperature range.

Battery Management Part Context

This part belongs to the S-8261 series of battery protection ICs designed by ABLIC. The series is engineered for compact, high-reliability protection of single-cell secondary batteries. It integrates multiple protection functions into a small footprint, reducing the need for external discrete components in battery management systems.

Battery Management Replacement Considerations

Consult official substitution lists for compatible parts within the S-8261 family. Verify pinout compatibility and electrical parameter alignment before replacing. Generic equivalents may not match the specific detection accuracies or internal circuit configurations.