AP9101CAK-BOTRG1

Overview

The AP9101CAK-BOTRG1 is a single-chip protection IC for 1-cell lithium-ion or lithium-polymer rechargeable batteries, manufactured by Diodes Incorporated. It integrates high-precision voltage detection circuits to safeguard against overcharge, overdischarge, and abnormal current conditions by controlling external MOSFET switches. The device operates within a supply voltage range of 1.5 V to 5.5 V and supports output voltages from 2.5 V to 4.425 V. It features low power consumption with a typical operating current of 3.0 µA at +25°C and 0.01 µA in power-down mode. Packaged in an SOT-25-5 surface-mount format, it functions reliably across temperatures from -40°C to +85°C.

Feature Summary

• Integrates high-precision voltage detection for overcharge, overdischarge, and current abnormalities
• Includes built-in fixed time circuit eliminating the need for external capacitors
• Supports low current consumption with dedicated power-down mode operation

Applications

• Protection circuits for 1-cell lithium-ion battery packs
• Protection circuits for 1-cell lithium-polymer battery packs
• Portable electronic devices requiring compact battery management solutions

Procurement Notes

Verify the specific suffix code against official Diodes Incorporated documentation to confirm exact detection voltage thresholds and package variations. Confirm RoHS compliance status and lead times directly with authorized distributors. Ensure the ordering information matches the required electrical parameters for the target application before finalizing procurement.

Selection Notes

Select this component when designing protection for single-cell Li-ion or Li-Po batteries requiring minimal external components. The integrated timing circuit reduces bill of materials complexity. Verify that the required overcharge and overdischarge detection voltages align with the available options in the AP9101C series. Ensure the SOT-25-5 package fits the PCB layout constraints.

Part Context

This part belongs to the AP9101C series of battery management ICs designed for single-cell applications. The series offers various configurations differentiated by detection voltage ranges and package types, such as SOT-25 and SOT-26. These ICs are engineered to provide comprehensive battery protection while maintaining a small footprint and low power profile suitable for portable electronics.

Replacement Considerations

Consult official substitution lists for compatible parts within the AP9101C family. Verify pin compatibility and electrical parameter alignment before replacing.