AP2141AS-13

Overview

The AP2141AS-13 is a single-channel high-side power switch from Diodes Incorporated, designed for USB and hot-swap applications. It operates within a supply voltage range of 2.7 V to 5.5 V and features an active-low enable input. The device provides 0.8 A current limiting with a maximum on-resistance of 115 mΩ. It includes thermal limiting, short-circuit protection, controlled rise time, and undervoltage lockout. The open-drain Flag output offers 7 ms deglitch capability for fault reporting. It is housed in an SOIC-8 package and complies with USB 2.0 standards.

Feature Summary

• Integrated high-side power switching optimized for Universal Serial Bus (USB) compliance
• Active-low enable control with very low shutdown current consumption
• Built-in over-current, thermal limiting, and short-circuit protection mechanisms
• Open-drain Flag output with 7 ms deglitch blanking time for accurate fault reporting

Applications

• Consumer electronics such as LCD TVs, monitors, and game machines
• Communication devices including set-top boxes, GPS units, and smartphones
• Computing peripherals like laptops, desktops, servers, printers, docking stations, and hubs

Procurement Notes

Verify the specific suffix 'AS' against the manufacturer datasheet to confirm pinout and enable polarity alignment with system requirements. Ensure the SOIC-8 package dimensions match the PCB footprint. Confirm RoHS compliance status through official documentation before finalizing procurement specifications.

Selection Notes

Select this component for single-port USB power distribution requiring precise current limiting at 0.8 A. The active-low enable logic suits systems where the control signal is inverted relative to other family members. Consider the 115 mΩ on-resistance for thermal management calculations under full load conditions within the specified operating temperature range.

Part Context

This part belongs to the AP2141/AP2151 family of integrated high-side power switches. While the AP2151 variant utilizes an active-high enable, the AP2141 series specifically employs an active-low enable configuration. Both share similar electrical characteristics but differ in control logic polarity, allowing flexibility in interface design for various host controllers.

Replacement Considerations

AP2151AS-13 serves as a functional substitute if the system design accommodates an active-high enable input instead of the active-low requirement of the AP2141AS-13.