AP9101CAK-ABTRG1

Overview

The AP9101CAK-ABTRG1 is a single-cell lithium-ion or lithium-polymer battery protection IC manufactured by Diodes Incorporated. It integrates high-precision voltage detection circuits to monitor overcharge, overdischarge, and current abnormalities, controlling external MOSFET switches for protection. The device operates within a supply voltage range of 1.5 V to 5.5 V and supports output voltages from 2.4 V to 4.5 V. It features low current consumption of 3 µA in operation mode and 0.01 µA in power-down mode. The component is housed in an SOT-25-5 surface-mount package and functions reliably across a temperature range of -40°C to +85°C.

Feature Summary

• Integrates high-accuracy voltage detection circuits for monitoring overcharge and overdischarge conditions without requiring external timing capacitors.
• Provides comprehensive fault protection against overcurrent, overvoltage, and abnormal battery states by controlling external MOSFET switches.
• Features ultra-low power consumption with dedicated operation and power-down modes to extend battery life in portable applications.

Applications

• Protection circuits for single-cell lithium-ion rechargeable battery packs
• Safety management for lithium-polymer battery systems in portable electronics
• Battery management units requiring minimal external component count

Procurement Notes

Verify the specific suffix 'AB' against official Diodes Incorporated documentation to confirm exact detection voltage thresholds and hysteresis values, as these parameters vary significantly across the AP9101C series. Confirm RoHS compliance status and check for any product change notifications or end-of-life notices prior to finalizing procurement plans.

Selection Notes

Select this component when designing compact single-cell battery protection systems that require high precision and low quiescent current. Ensure the external MOSFETs are compatible with the IC's drive capabilities and that the PCB layout accommodates the SOT-25-5 package dimensions while maintaining thermal performance within the specified operating temperature range.

Part Context

This part belongs to the AP9101C family of battery management ICs designed specifically for single-cell Li+ batteries. It serves as a complete solution for battery protection by combining detection logic with control outputs, reducing the need for complex discrete component designs in consumer electronics and portable devices.

FAQ

Does the AP9101CAK-ABTRG1 require external capacitors for timing?

No, the device includes a built-in fixed time circuit, eliminating the need for external capacitors for standard protection timing functions.

What is the typical current consumption in power-down mode?

The typical current consumption in power-down mode is 0.01 µA at +25°C.