AP9101CAK6-BXTRG1

Battery Management Overview

The AP9101CAK6-BXTRG1 is a single-cell lithium-ion or lithium-polymer battery protection IC from Diodes Incorporated. It integrates high-precision voltage detection circuits to monitor overcharge, overdischarge, and current abnormalities, controlling external MOSFET switches for protection. The device operates within a supply voltage range of 1.5 V to 5.5 V and supports output voltages typically between 2.4 V and 4.5 V. It features low power consumption with an operation mode current of approximately 3.0 µA at +25°C and 3.5 V. The component is housed in a SOT-26-6 surface-mount package and functions reliably across a temperature range of -40°C to +85°C.

Battery Management Feature Summary

• Integrates high-precision voltage detection for monitoring overcharge, overdischarge, and abnormal current conditions.
• Controls external MOSFET switches to isolate the battery during fault events without requiring external timing capacitors.
• Provides ultra-low quiescent current consumption to maximize standby efficiency in portable applications.

Battery Management Applications

• Protection circuits for single-cell lithium-ion rechargeable batteries
• Safety management for lithium-polymer battery packs
• Portable electronic devices requiring compact battery protection

Battery Management Procurement Notes

Verify the specific suffix BX against official Diodes Incorporated documentation to confirm exact detection thresholds and pinout compatibility. Confirm RoHS compliance status and environmental declarations prior to integration. Ensure the selected variant matches the required operating voltage and thermal specifications for the target application environment.

Battery Management Selection Notes

Select this component for single-cell Li-ion or Li-Po applications requiring integrated protection without external timing components. Evaluate the specific detection voltage ranges associated with the BX suffix to ensure alignment with cell chemistry limits. Consider the SOT-26 package size and thermal performance relative to the system's power dissipation requirements.

Battery Management Part Context

This part belongs to the AP9101C series of battery management ICs designed for single-cell protection. The series utilizes fixed-time circuitry to simplify design by eliminating the need for external capacitors. It serves as a cost-effective solution for protecting lithium-based cells in consumer electronics and portable devices.

Battery Management Replacement Considerations

Consult official manufacturer substitution lists for verified alternatives. Generic cross-references may not match the specific detection parameters or pin configuration of the BX suffix variant.