S-8261ABKMD-G3KT2U

Battery Management Overview

The S-8261ABKMD-G3KT2U is a battery protection IC from the S-8261 series, designed for single-cell lithium-ion and lithium-polymer rechargeable batteries. It provides overcharge, overdischarge, and overcurrent protection with high detection accuracy. The device features built-in delay circuits eliminating external capacitors, low consumption current (typical 3.5μA active), and wide operating temperature range (-40°C to +85°C). Key parameters include overcharge detection voltage adjustable between 3.900 V and 4.500 V with ±25 mV precision, and overdischarge detection voltage adjustable between 2.000 V and 3.000 V with ±50 mV precision.

Battery Management Feature Summary

• Built-in high-precision voltage detection circuits for overcharge, overdischarge, and overcurrent protection without requiring external timing capacitors.
• Configurable overcharge and overdischarge hysteresis voltages allow customization of recovery thresholds within specified ranges.
• Integrated charger detection and abnormal charging current detection functions enhance safety during charging cycles.
• Low power consumption in both active and sleep modes ensures minimal impact on battery life when not actively protecting.

Battery Management Applications

• Lithium-ion single-cell battery packs
• Lithium-polymer single-cell battery packs
• Portable electronic devices requiring single-cell protection
• Medical equipment with single-cell battery systems

Battery Management Procurement Notes

Verify the specific suffix G3KT2U against official ABLIC documentation to confirm pinout, package type, and exact voltage settings. Ensure compatibility with your battery management system requirements. Check RoHS compliance status through manufacturer datasheets. Confirm availability and lead times directly with authorized distributors as stock levels fluctuate.

Battery Management Selection Notes

Select this component when precise voltage monitoring is required for single-cell Li-ion or Li-Po batteries. Consider its low quiescent current for applications where standby power consumption is critical. Evaluate the need for configurable hysteresis and delay times to match specific safety standards. Verify that the operating temperature range meets your environmental conditions.

Battery Management Part Context

The S-8261 series represents ABLIC's dedicated solution for single-cell battery protection. It integrates multiple protection functions into a compact package, reducing board space and component count compared to discrete solutions. The series is widely used in consumer electronics and industrial applications requiring reliable single-cell battery management.

Battery Management Replacement Considerations

Consult ABLIC's official cross-reference guides for direct replacements. Ensure any substitute matches the voltage detection accuracy, package dimensions, and protection thresholds. Verify functional equivalence in terms of charger detection and low-power modes before implementation.

Battery Management FAQ

Does the S-8261ABKMD-G3KT2U require external capacitors for delay timing?

No, the device includes built-in delay circuits for overcharge, overdischarge, and overcurrent protection, eliminating the need for external timing capacitors.

What is the typical active mode consumption current?

The typical active mode consumption current is 3.5μA, with a maximum of 7.0μA.

Can the overcharge detection voltage be adjusted?

Yes, the overcharge detection voltage is adjustable between 3.900 V and 4.500 V in 5 mV steps.