AP9101CAK-BXTRG1

Overview

The AP9101CAK-BXTRG1 is a single-chip protection IC designed for lithium-ion and lithium-polymer rechargeable battery packs. It integrates high-precision voltage detection circuits to monitor overcharge, overdischarge, overcharge current, and overdischarge conditions. The device controls external MOSFET switches to isolate the battery during fault states. Key electrical parameters include an operating supply voltage range of 1.5 V to 5.5 V and an output voltage detection range of 2.4 V to 4.5 V. The component operates within a temperature range of -40°C to +85°C and is housed in an SOT-25-5 surface-mount package.

Feature Summary

• Integrates high-precision voltage detection for overcharge and overdischarge monitoring
• Provides comprehensive protection against overcurrent and abnormal voltage conditions
• Features built-in fixed time circuits eliminating the need for external timing capacitors
• Supports low current consumption modes for extended battery life

Applications

• Single-cell lithium-ion battery pack protection
• Lithium-polymer rechargeable battery management systems
• Portable electronic devices requiring compact battery safety solutions
• Consumer electronics with integrated power management requirements

Procurement Notes

Verify the specific suffix BXTRG1 against official Diodes Incorporated documentation to confirm exact detection voltage thresholds and package variants. Confirm RoHS compliance status and lead times directly with authorized distributors. Ensure the ordering information matches the required application voltage ranges and thermal specifications before finalizing procurement.

Selection Notes

Select this component for applications requiring a compact, single-chip solution for 1-cell Li-ion or Li-Po batteries. Consider the SOT-25-5 package size for space-constrained designs. Evaluate the fixed time circuit feature to reduce external component count compared to discrete solutions. Verify that the operating voltage range aligns with the system's power supply constraints.

Part Context

This part belongs to the AP9101C series of battery management ICs from Diodes Incorporated. The series focuses on providing robust protection for single-cell lithium-based batteries using minimal external components. The AP9101CAK-BXTRG1 variant specifically utilizes the SOT-25-5 package format, distinguishing it from other pinout configurations within the same functional family.

Replacement Considerations

Consult official manufacturer substitution lists for verified alternatives. Cross-reference pinouts and detection voltages when considering similar battery protection ICs from other manufacturers to ensure functional compatibility.