AP9101CAK-AZTRG1

Overview

The AP9101CAK-AZTRG1 is a single-chip protection IC designed for one-cell lithium-ion or lithium-polymer rechargeable battery packs. Manufactured by Diodes Incorporated, it integrates high-precision voltage detection circuits to monitor overcharge, overdischarge, and current abnormalities. The device controls external MOSFET switches to isolate the battery during fault conditions. It operates within a temperature range of -40°C to +85°C and utilizes SOT-26 surface-mount packaging.

Feature Summary

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

Applications

• Protection circuits for single-cell lithium-ion battery packs
• Safety management for lithium-polymer rechargeable batteries
• Portable electronic devices requiring integrated battery protection
• Consumer electronics with limited space for external components

Procurement Notes

Verify the specific suffix 'AZ' against official Diodes Incorporated documentation to confirm pinout compatibility and electrical specifications. Confirm RoHS compliance status and check for any product change notifications or end-of-life notices associated with this specific marking code before finalizing procurement decisions.

Selection Notes

Select this component for designs requiring a compact, single-chip solution for 1-cell Li-ion/Li-Po protection. Ensure the external MOSFET selection matches the current handling requirements defined in the datasheet. Verify that the operating voltage range aligns with the specific battery chemistry and system power supply constraints.

Part Context

This part belongs to the AP9101C series of battery management ICs from Diodes Incorporated. The series is engineered specifically for single-cell lithium-based battery protection. It represents a consolidated solution that replaces multiple discrete components, reducing board space and simplifying the bill of materials for battery-powered consumer electronics.

Replacement Considerations

Consult official Diodes Incorporated substitution guides for verified alternatives. Generic replacements may not match the precise detection voltages or package dimensions. Verify functional equivalence regarding overcharge/overdischarge thresholds and current limits before considering cross-brand substitutes.