AP9101CAK6-BKTRG1

Battery Management Overview

The AP9101CAK6-BKTRG1 is a single-cell lithium-ion and lithium-polymer battery protection IC manufactured by Diodes Incorporated. It integrates high-precision voltage detection circuits to monitor overcharge, overdischarge, overcharge current, and overdischarge conditions, automatically disconnecting external MOSFET switches during faults. The device operates within a supply voltage range of 1.5 V to 5.5 V and features ultra-low power consumption, drawing approximately 3 µA in operation mode. It utilizes an SOT-26 surface-mount package and supports an operating temperature range from -40°C to +85°C.

Battery Management Feature Summary

• Integrated high-accuracy voltage detection for precise monitoring of cell status
• Built-in fixed time circuit eliminates the need for external timing capacitors
• Ultra-low current consumption design optimizes standby efficiency
• Compact SOT-26 packaging facilitates space-constrained board layouts

Battery Management Applications

• Single-cell lithium-ion battery pack protection
• Lithium-polymer rechargeable battery management systems
• Portable electronic devices requiring compact power protection
• Consumer electronics with limited PCB space constraints

Battery Management Procurement Notes

Verify the specific detection voltage settings associated with the BK suffix against official Diodes Incorporated datasheets before procurement. Confirm package availability and lead times through authorized distributors. Ensure compatibility with external MOSFET drive requirements. Check for recent product change notifications or end-of-life statuses. Validate RoHS compliance documentation for your region.

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 simplifies bill of materials compared to solutions needing external capacitors. Consider the SOT-26 footprint for assembly constraints. Evaluate the 3 µA quiescent current against system sleep power budgets. Ensure the detection voltage ranges match the specific battery chemistry requirements.

Battery Management Part Context

This part belongs to the AP9101C series of battery management ICs designed specifically for single-cell applications. The series emphasizes simplicity and accuracy by integrating protection logic directly into the silicon. Variants within the family differ primarily in detection voltage thresholds and package options. The AP9101C line targets cost-sensitive portable electronics where reliability and low standby power are critical design parameters.

Battery Management Replacement Considerations

Publicly confirmed substitute part numbers for AP9101CAK6-BKTRG1 were not found in the provided source material. Verify pinout and electrical specifications carefully if considering alternative manufacturers. Cross-reference detection voltages and hysteresis values to ensure functional equivalence. Check package dimensions for mechanical compatibility.