AP9101CK-AITRG1

Battery Management Overview

The AP9101CK-AITRG1 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 conditions, controlling external MOSFET switches for safety. 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. Key electrical parameters include a typical operating current of 3.0 µA at +25°C with V=3.5V and a power-down mode current of 0.01 µA. It features overcharge detection accuracy of ±25mV and overdischarge detection accuracy of ±25mV. The component is housed in an SOT-26-6 surface-mount package and functions across a temperature range of -40°C to +85°C.

Battery Management Feature Summary

• Integrates high-precision voltage detection for overcharge, overdischarge, and current abnormalities
• Built-in fixed time circuit eliminates the need for external timing capacitors
• Ultra-low power consumption with dedicated power-down mode operation
• Controls external MOSFET switches to isolate the battery during fault conditions

Battery Management Applications

• Single-cell lithium-ion rechargeable battery pack protection
• Lithium-polymer battery management systems
• Portable electronic devices requiring compact battery safety solutions
• Consumer electronics with space-constrained PCB layouts

Battery Management Procurement Notes

Verify the specific suffix code against the manufacturer's official datasheet to confirm pinout compatibility and detection voltage thresholds. Ensure the ordering part number matches the required package type and thermal rating. Confirm availability status as some variants may be subject to end-of-life notices or restricted distribution channels. Cross-reference the RoHS compliance details with current regulatory requirements for your target market before finalizing procurement orders.

Battery Management Selection Notes

Select this component when designing protection circuits for single-cell Li-ion or Li-Po batteries requiring minimal external components. The integrated timing function reduces bill of materials complexity compared to discrete solutions. Consider the SOT-26 package size for applications with strict spatial constraints. Verify that the detection voltage ranges align with the specific cell chemistry requirements. Evaluate the low standby current benefits for battery-powered devices where extended standby times are critical.

Battery Management Part Context

The AP9101C series represents a family of battery management ICs designed for single-cell applications. This specific model belongs to the AP9101C line, which focuses on providing comprehensive protection through integrated sensing and control logic. The series is characterized by its ability to replace multiple discrete protection components, offering a streamlined solution for modern portable electronics. Diodes Incorporated positions this series within their PMIC portfolio for efficient power management.

Battery Management Replacement Considerations

Check for direct substitutes within the AP9101C family such as AP9101CAK6-CPTRG1 or AP9101CK6-CGTRG1, ensuring package and parameter alignment. Verify if alternative manufacturers offer functionally equivalent single-cell protection ICs with compatible detection thresholds and package footprints. Confirm that any replacement maintains the same safety certifications and operational temperature range.