AP22818BM8-13

Overview

The AP22818BM8-13 is a high-side USB power switch IC from Diodes Incorporated, designed for portable and consumer electronics. It operates within an input voltage range of 2.7V to 5.5V and supports up to 2A continuous load current. The device features a low on-resistance of 75mΩ and integrates comprehensive protection mechanisms including fixed current limiting, over-temperature shutdown, reverse current blocking, short-circuit protection, and UVLO. It utilizes a TSOT-25 surface-mount package and includes a status flag output with debouncing capabilities.

Feature Summary

• Integrates fixed current limiting and thermal protection for robust fault management
• Provides reverse current blocking to prevent backflow in dual-supply systems
• Includes a debounced status flag output for accurate fault reporting

Applications

• USB port power switching in laptops and tablets
• Hot-plug applications in consumer electronics
• Power distribution in set-top boxes and telecom systems

Procurement Notes

Verify the specific suffix 'BM8' against official datasheets to confirm pinout and enable logic polarity, as variations exist within the AP22818 family. Ensure the component matches the required TSOT-25 package dimensions and lead finish specifications for your PCB assembly process. Cross-reference the manufacturer part number directly with Diodes Incorporated documentation to avoid confusion with similar models like the AKAWT or BKBWT variants.

Selection Notes

Select this component when a compact solution is needed for USB power management with integrated protection. The 75mΩ on-resistance offers a balance between efficiency and cost compared to lower resistance alternatives. Consider the TSOT-25 package size constraints and the requirement for a debounced fault flag if system noise immunity is critical. Verify that the 2A current rating meets the load requirements without exceeding thermal limits in the intended enclosure.

Part Context

The AP22818 series belongs to Diodes Incorporated's portfolio of USB power switches optimized for portable devices. These ICs are engineered to meet USB standards by providing controlled rise times and complete discharge functions. The series supports both N-channel and P-channel configurations with varying enable polarities, catering to diverse system architectures requiring reliable power distribution and fault protection.

Replacement Considerations

Publicly confirmed substitute part numbers for the AP22818BM8-13 were not found in the provided source material.