S-8261AAPMD-G2PT2G

Battery Management Overview

The S-8261AAPMD-G2PT2G is a single-cell lithium-ion or lithium-polymer battery protection IC from the ABLIC S-8261 series. It provides overcharge, overdischarge, and overcurrent protection with high detection accuracy. Key electrical parameters include an overcharge detection voltage range of 3.900 V to 4.500 V (5 mV steps) with ±25 mV precision at 25°C, and an overdischarge detection voltage range of 2.000 V to 3.000 V (10 mV steps) with ±50 mV precision. The device operates within a supply voltage range of 1.5 V to 28 V and features a typical operating current of 3.5 μA. It utilizes a SOT-23-6 package.

Battery Management Feature Summary

• Integrates high-precision voltage detection circuits for overcharge, overdischarge, and overcurrent monitoring without requiring external capacitors for delay timing.
• Features built-in three-stage overcurrent detection including load short-circuit protection and selectable charge enable/disable functions for zero-volt batteries.
• Includes charger detection and abnormal charging current detection capabilities to enhance safety during charging cycles.

Battery Management Applications

• Lithium-ion rechargeable battery packs
• Lithium-polymer rechargeable battery packs

Battery Management Procurement Notes

Verify the specific suffix G2P against official ABLIC documentation to confirm exact voltage settings and package variations. Ensure compatibility with your system's voltage requirements and thermal management needs. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components. Confirm RoHS compliance status if required by your manufacturing standards.

Battery Management Selection Notes

Select this component when precise single-cell protection is required for lithium-based chemistries. The wide overcharge detection range allows customization for various cell types. Consider the low standby current for battery-powered applications. Verify that the SOT-23-6 package fits your PCB layout constraints and that the 28 V withstand voltage meets your circuit design specifications.

Battery Management Part Context

This part belongs to the S-8261 series, designed specifically for protecting individual lithium-ion and lithium-polymer cells. The series emphasizes high accuracy and integrated functionality to reduce external component count. It is manufactured by ABLIC Inc., a specialist in analog semiconductor devices, ensuring reliability for portable electronics and industrial battery systems.

Battery Management Replacement Considerations

Direct replacements within the S-8261 family require matching the detection voltage suffix and package type. Verify that alternative parts support the same 1.5 V to 28 V operating range and SOT-23-6 footprint. Ensure functional equivalence in overcurrent protection stages and delay time configurations before substitution.

Battery Management FAQ

Does the S-8261AAPMD-G2PT2G require external capacitors for delay times?

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

What is the precision of the overcharge detection voltage?

The overcharge detection voltage has a precision of ±25 mV at 25°C and ±30 mV across the temperature range of -5°C to +55°C.