AP9101CAK6-AJTRG1

Battery Management Overview

The AP9101CAK6-AJTRG1 is a single-cell lithium-ion or lithium polymer battery protection IC from Diodes Incorporated. It operates within a supply voltage range of 1.5 V to 5.5 V and supports output voltages between 2.4 V and 4.5 V. The device features a typical operating current of 3 µA at +25°C with a 3.5 V supply. It provides overcharge detection (3.5 V to 4.5 V, ±25 mV accuracy) and overdischarge detection (2.0 V to 3.4 V, ±25 mV accuracy). Packaged in SOT-25-5 or SOT-26-6 surface-mount formats, it functions across -40°C to +85°C with 250 mW power dissipation.

Battery Management Feature Summary

• Integrates high-precision voltage detection for overcharge and overdischarge protection without requiring external capacitors for timing circuits.
• Controls external MOSFET switches to isolate the battery during abnormal conditions such as overcurrent or short circuits.
• Offers ultra-low power consumption with a dedicated power-down mode to minimize standby drain in portable applications.

Battery Management Applications

• Protection circuits for single-cell lithium-ion rechargeable batteries
• Safety management for lithium-polymer battery packs
• Portable electronic devices requiring low standby current

Battery Management Procurement Notes

Verify the specific suffix code against the manufacturer's official datasheet to confirm exact detection voltage thresholds and package type. Confirm RoHS compliance status and check for End-of-Life notifications, as availability varies by revision. Ensure the selected variant matches the required overcharge and overdischarge voltage parameters for the target battery chemistry.

Battery Management Selection Notes

Select this component when designing protection for single-cell Li-ion or Li-Po batteries requiring minimal external components. The fixed-time circuit eliminates the need for external capacitors, simplifying the bill of materials. Choose variants based on the specific voltage step requirements for overcharge detection, ranging from 3.5 V to 4.5 V in 50 mV increments.

Battery Management Part Context

This part belongs to the AP9101C series of battery management ICs designed for single-cell protection. It integrates voltage monitoring and control logic into a compact surface-mount package. The series is categorized under PMIC battery management solutions, focusing on safety and efficiency for consumer electronics and portable devices.

Battery Management Replacement Considerations

Check for direct pin-compatible alternatives within the AP9101 family. Verify that substitute parts match the specific voltage detection thresholds and package dimensions. Cross-reference with other single-cell Li-ion protection ICs if the exact model is discontinued.

Battery Management FAQ

Does the AP9101CAK6-AJTRG1 require external capacitors for its protection 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 operation mode?

The typical operating current is 3.0 µA at +25°C with a 3.5 V supply voltage.