Power Over Ethernet IC by Diodes Incorporated (1 more product)

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AP33771 Image

The AP33771 from Diodes Incorporated is a USB Type-C PD Sink Controller that is designed to provide DC power requests and control for Type-C connector-equipped devices. This power sourcing equipment (PSE) controller requires a DC voltage of 3.3 V to 24 V. It is based on a cost-effective solution and does not require external, discrete, and high voltage components such as LDOs. This PSE controller uses a search algorithm that supports both fixed PDO and PPS APDO. It interprets power requirements from the TCD and then establishes a power link with an external USB PD 3.0 adapter to output a suitable DC power. This RoHS-compliant controller embeds rich power functions on the chip to reduce the total Bill of Materials (BOM) while maintaining maximum flexibility.

The AP33771 provides power capability selection and supports one-time programmable (OTP) ROM to store the PD/sink controller firmware. This controller incorporates hard-reset and auto-restart features to offer over-voltage protection to prevent short-circuit-related damages. It is available in a surface-mount package that measures 4 x 4 mm and is ideal for USB Type-C connector-equipped battery-powered devices, USB Type-C connector-equipped DC-power input devices, USB Type C-to-traditional barrel connector power adapter cables, and USB PD 3.0 PPS tester applications.

Product Specifications

Product Details

  • Part Number
  • Manufacturer
    Diodes Incorporated
  • Description
    USB PD Sink Controller for Power Delivery Applications


  • Number of Ports
  • Input Voltage
    3.3 to 24 V
  • Output Voltage
    5 V
  • RoHS Compliant
  • Temperature Operating Range
    -40 to 85 degree C
  • Industry
  • Applications
    USB Type-C Connector-Equipped Battery-Powered Devices, USB Type-C Connector-Equipped DC-Power Input Devices, USB PD3.0 PPS Testers, USB Type C-to-Traditional Barrel Connector Power Adaptor Cables
  • Dimension
    4 x 4 mm
  • Package Type
    Surface Mount
  • Package

Technical Documents