Diodes Incorporated AP2511MP-13

Overview

AP2511MP-13 from Diodes Incorporated is a single-channel, current-limited high-side power switch optimized for USB and hot-swap applications. It features active-high enable, 3.7A typical current limiting, 70mΩ typical R_DS(ON) at 5V, 2µs short-circuit response time, and integrated output discharge. It operates across 2.7V–5.5V input and delivers up to 2.5A continuous load current in MSOP-8EP package with exposed thermal pad.

For engineers reviewing the AP2511MP-13 datasheet, AP2511MP-13 pinout, AP2511MP-13 application, or AP2511MP-13 equivalent, this device supports robust over-current, over-temperature, reverse-current, and UVLO protection - critical for USB port power management, embedded system hot-swap, and capacitive-load switching where controlled rise time and fault reporting are required.

Technical Context

The AP2511MP-13 integrates a P-channel MOSFET high-side switch with precision current-sense FET architecture enabling accurate 3.7A current limiting without external sensing resistors. Its internal deglitch circuit applies 7ms blanking to the open-drain FLG output, suppressing false fault reports during transient inrush or capacitive discharge events.

It implements soft-start via built-in charge control, achieving 0.6ms typical output rise time, and combines thermal shutdown at +140°C with +20°C hysteresis. The device also provides reverse-current blocking and active output discharge when disabled - eliminating residual V_OUT without external components.

Key Specifications

Pinout & Package

AP2511MP-13 is packaged in MSOP-8EP (8-pin mini small outline package with exposed thermal pad), offering enhanced thermal performance (θ_JA = 92°C/W) versus standard MSOP-8. The exposed pad must be soldered to PCB ground plane for optimal junction temperature control and reliability under 2.5A load.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-side current-limited power switch applications.

Compared with TCK107AG,314 and TPS22965DSGR, the AP2511MP-13 uniquely integrates discharge, UVLO, 7ms FLG deglitch, and thermal hysteresis in a single MSOP-8EP package - reducing design complexity for USB-compliant hot-swap systems requiring minimal external components and guaranteed fault resilience.

Availability

AP2511MP-13 is available at Aetrix Electronics and suitable for USB 3.0 port power management, laptop docking station load control, and industrial embedded USB host interface applications requiring stable component supply, long lifecycle support, and RoHS-compliant green packaging.

Supply support for AP2511MP-13 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability power management, signal integrity, and protection solutions for consumer, computing, and industrial markets.

The AP25xx family targets USB-compliant hot-swap and high-side load switching, emphasizing integration of protection features (discharge, UVLO, thermal hysteresis, FLG deglitch) to simplify system-level power design and reduce bill-of-materials.

FAQ

What is the purpose of the NC pin on AP2511MP-13?

The NC (No Connect) pin is internally unconnected and serves no electrical function. Diodes Incorporated recommends tying it externally to the OUT net for mechanical stability, improved thermal coupling, and reduced noise susceptibility - especially important in high-density layouts with fast-switching loads.

Does AP2511MP-13 require an external pull-up on the FLG pin?

Yes - FLG is an open-drain output and requires an external pull-up resistor (typically 4.7kΩ to 5V or V_CC) to generate a valid logic-high level when no fault is present. The internal FLG FET has 20–40Ω on-resistance, ensuring strong low-state drive for reliable fault signaling to microcontrollers or PMICs.

How does the output discharge function behave during power-up?

The discharge function activates only when EN is de-asserted (low) or when VIN falls below UVLO threshold (~2.0V). During normal power-up with EN high, discharge is inactive - ensuring controlled soft-start without premature V_OUT collapse. Discharge engages fully within 0.6ms after disable, sinking current through a ~100Ω internal path.

Can AP2511MP-13 be used in dual-purpose HDMI/MHL ports?

No - Diodes Incorporated explicitly advises against using AP2511MP-13 in dual-purpose ports (e.g., HDMI/MHL) where the output may be subjected to constant external voltage while the switch is disabled. The active discharge function would continuously sink current from the MHL link, overstressing the internal discharge transistor and violating safe operating area limits.