AP9101CAK6-CITRG1

Battery Management Overview

The AP9101CAK6-CITRG1 is a single-cell lithium-ion and lithium-polymer battery protection IC manufactured by Diodes Incorporated. It provides comprehensive protection against overcharge, overdischarge, overcurrent, and short-circuit conditions by controlling external MOSFET switches. The device features high-precision voltage detection circuits with fixed-time delay functions, eliminating the need for external timing capacitors. 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 component is housed in an SOT-26 package and is designed for low current consumption, ensuring minimal impact on battery life during standby modes.

Battery Management Feature Summary

• Integrated protection circuitry detects abnormal voltage and current states to automatically disconnect the battery via external MOSFETs
• Built-in fixed-time delay circuits prevent false triggering without requiring external capacitors
• High-accuracy voltage detection ensures precise monitoring of charge and discharge thresholds
• Low power consumption design maintains minimal quiescent current during operation and power-down modes

Battery Management Applications

• Protection for single-cell lithium-ion rechargeable battery packs
• Safety management for lithium-polymer battery systems in portable electronics
• Overcharge and overdischarge prevention in consumer devices
• Short-circuit and overcurrent protection in mobile communication equipment

Battery Management Procurement Notes

Verify the specific suffix code to confirm exact detection voltage thresholds and hysteresis settings, as these parameters vary across the AP9101C series variants. Confirm package availability and lead times directly with authorized distributors, as stock levels fluctuate. Ensure compatibility with external MOSFET selection based on the required current handling capabilities. Check for any recent product change notifications or end-of-life announcements from the manufacturer before finalizing procurement plans.

Battery Management Selection Notes

Select this component when designing protection circuits for single-cell Li-ion or Li-Po batteries requiring high accuracy and minimal external components. The SOT-26 package offers a compact footprint suitable for space-constrained applications. Consider the operating temperature range and power dissipation limits relative to the expected environmental conditions. Evaluate the specific voltage detection steps required for the target battery chemistry to ensure the correct variant is chosen from the available options.

Battery Management Part Context

This part belongs to the AP9101C series of battery management ICs from Diodes Incorporated. The series is specifically engineered for single-cell lithium-based battery protection. Variants within the series differ primarily in their detection voltage ranges and hysteresis settings, allowing customization for different battery specifications. The technology emphasizes simplicity and reliability by integrating timing functions internally.

Battery Management Replacement Considerations

Compatible substitutes include other AP9101C series variants such as AP9101CAK6-CCTRG1 or AP9101CAK6-ABTRG1, provided the detection voltage parameters match the application requirements. Verify pinout compatibility and package dimensions (SOT-26) to ensure mechanical interchangeability. Review datasheets for differences in current consumption or thermal characteristics before substitution.