Diodes Incorporated PI5PD2061UEE

Overview

PI5PD2061UEE from Diodes Incorporated is a 70mΩ high-side N-channel MOSFET power-distribution switch optimized for USB 5V bus power control, delivering 1.5A continuous current, 2.3A typical over-current trip threshold, and reverse current blocking - deployed in laptop motherboard USB hub power rails and self-powered peripheral ports.

For engineers reviewing the PI5PD2061UEE datasheet, PI5PD2061UEE pinout, PI5PD2061UEE application, or PI5PD2061UEE equivalent, key selection criteria include its 2.7–5.5V input range, 0.6ms typical rise time, thermal shutdown at 135°C with 10°C hysteresis, deglitched /OC fault reporting, and <1μA standby supply current under disable condition.

Technical Context

The PI5PD2061UEE integrates a charge-pump gate driver to fully enhance its internal 70mΩ N-channel MOSFET across 2.7–5.5V input, enabling robust USB-compliant voltage drop performance. Its /EN logic input is active-low, and it features under-voltage lockout (UVLO) with ~2V turn-on threshold and 75mV hysteresis.

Over-current protection operates via real-time current sensing with 14ms deglitch timing before /OC assertion; thermal shutdown activates only during sustained overload, cycling on/off until fault removal. The /OC output is open-drain, requiring external pull-up, and reports both over-current and over-temperature faults with distinct timing behavior.

Key Specifications

Pinout & Package

PI5PD2061UEE is housed in an SOIC-8 package with exposed pad (EP-MSOP-8 footprint compatibility), supporting thermal dissipation up to 600 mW. Pin numbering follows standard top-view orientation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TUSB2036IRHBR and AP22653AW5-7, PI5PD2061UEE offers unique active-low /EN and open-drain /OC - critical for legacy USB controller interfaces - while maintaining lowest standby current and proven UL recognition for consumer deployments.

Availability

PI5PD2061UEE is available at Aetrix Electronics and suitable for laptop motherboard designs, USB hub reference platforms, and TV/STB power management systems requiring stable component supply, long-term lifecycle support, and RoHS-compliant green packaging.

Supply support for PI5PD2061UEE 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 semiconductor company specializing in discrete, analog, and mixed-signal solutions for power management, signal integrity, and connectivity applications.

The PI5PD2061UEE belongs to Diodes' USB Power Switch product line, engineered specifically for reliable, standards-compliant 5V bus power control in computing, consumer, and embedded USB host/hub implementations.

FAQ

What is the function of the /OC pin, and how should it be interfaced?

The /OC pin is an open-drain output that asserts low during over-current or thermal shutdown events. It requires an external pull-up resistor to V_IN (typically 100 kΩ) to avoid excessive current draw. Unlike push-pull outputs, this configuration allows wired-OR fault aggregation across multiple switches and ensures safe default-high state during power-up or disable.

Does PI5PD2061UEE support reverse current blocking, and under what conditions?

Yes - PI5PD2061UEE blocks reverse current flow from OUT to IN when disabled (/EN high), due to its N-channel high-side architecture with integrated body-diode control. This occurs automatically without external components and remains effective across the full -40°C to +85°C ambient range, critical for hot-plug safety in USB applications.

How does the device behave during input undervoltage conditions?

Under-voltage lockout (UVLO) holds the switch off when V_IN drops below ~2.0 V, preventing erratic operation during brown-out or power ramp-up. The UVLO has 75 mV hysteresis, so the switch re-enables only after V_IN rises above ~2.075 V - eliminating oscillation near the threshold and ensuring clean power sequencing.

Can PI5PD2061UEE be used with 3.3V input supplies, and what is its R_DS(on) at that voltage?

Yes - PI5PD2061UEE operates across 2.7V to 5.5V, including 3.3V nominal supplies. At 3.3V input and 1.0A load, R_DS(on) is 70 mΩ typical (max 135 mΩ), verified over -40°C to +125°C junction temperature. This ensures ≤135 mV drop at rated current, preserving sufficient headroom for downstream 3.3V LDOs or regulators.