AP9101CAK-AHTRG1

Overview

The AP9101CAK-AHTRG1 is a single-cell lithium-ion or lithium polymer battery protection IC manufactured by Diodes Incorporated. It 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. The device features a typical operating current of 3.0 µA at 3.5 V and includes power-down mode functionality. It is housed in an SOT-25-5 surface-mount package and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Provides comprehensive protection against overcharge, overdischarge, overcharge current, and overdischarge conditions by controlling external MOSFET switches.
• Integrates a fixed-time delay circuit that eliminates the need for external capacitors, reducing component count.
• Offers high-precision voltage detection with adjustable hysteresis settings for accurate monitoring of cell status.

Applications

• Protection circuits for single-cell lithium-ion rechargeable battery packs
• Safety management for lithium-polymer battery systems
• Portable electronic devices requiring compact battery protection solutions

Procurement Notes

Verify the specific suffix codes (e.g., AH) against official datasheets to confirm exact detection voltage thresholds and hysteresis values. Confirm RoHS compliance status and check for End-of-Life notices, as availability may be restricted. Ensure the SOT-25-5 package footprint matches the design requirements before procurement.

Selection Notes

Select this component when designing for single-cell Li-ion or Li-Po batteries requiring low quiescent current. The integrated timing circuit simplifies layout by removing external capacitors. Verify that the required overcharge and overdischarge detection voltages align with the available step configurations in the datasheet.

Part Context

This part belongs to the AP9101C series of battery management ICs designed for single-cell applications. It is categorized under PMIC-Battery Management and Charge Management products. The series is characterized by its ability to protect battery cells using minimal external components while maintaining high accuracy in voltage detection.

Replacement Considerations

Check for direct substitutes within the AP9101C family that share the SOT-25-5 package. Verify if alternative part numbers offer compatible detection voltage steps and similar power consumption characteristics without requiring circuit redesign.

FAQ

Does the AP9101CAK-AHTRG1 require external capacitors for timing delays?

No, the device includes a built-in fixed time circuit, which removes the necessity for external capacitors in the protection circuitry.

What is the typical current consumption in operation mode?

The typical operating current is 3.0 µA when the supply voltage is 3.5 V at 25°C.