AP9101CK-BETRG1

Battery Management Overview

The AP9101CK-BETRG1 is a battery management IC designed for single-cell lithium-ion and lithium polymer rechargeable batteries. It provides protection by detecting overcharge voltage, overdischarge voltage, overcharge current, and overdischarge current abnormalities to turn off external MOSFET switches. The device features a high-precision voltage detection circuit with built-in fixed time circuits, eliminating the need for external capacitors. It operates within a supply voltage range of 1.5 V to 5.5 V and supports output voltages from 2.5 V to 4.475 V. The component is housed in an SOT-25-5 package and functions between -40°C and +85°C.

Battery Management Feature Summary

• Provides comprehensive protection against overcharge, overdischarge, and abnormal current conditions for lithium-based cells.
• Integrates high-accuracy voltage detection circuits with fixed timing capabilities to minimize external component requirements.
• Operates with ultra-low power consumption in both active and power-down modes.

Battery Management Applications

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

Battery Management Procurement Notes

Verify the specific suffix code to confirm exact detection voltage thresholds and hysteresis values, as these parameters vary across the AP9101C series. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the selected package variant matches the PCB footprint design constraints.

Battery Management Selection Notes

Select this component when designing compact battery protection systems that require minimal external components. The built-in timer functionality reduces bill of materials complexity compared to solutions requiring external timing capacitors. Verify that the required overcharge and overdischarge detection thresholds align with the available step configurations in the datasheet.

Battery Management Part Context

This part belongs to the AP9101C series of charge management ICs manufactured by Diodes Incorporated. The series is categorized under PMIC - Power Management ICs and specifically targets battery management applications. The device is designed to interface with external MOSFETs to control the charging and discharging paths of the protected cell.

Battery Management Replacement Considerations

Consult official substitution lists for compatible alternatives within the AP9101 family or equivalent protection ICs from other manufacturers. Verify pin compatibility and electrical parameter alignment before considering any cross-brand replacements.