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UPD350
  • UPD350

UPD350

Not Recommended for new designs

The UPD350 is a highly integrated small form factor USB Type-C/PD controller compliant with USB Type-C® specification and USB Power Delivery specification v.3.0. UPD350 provides cable detection and orientation, and implements baseband communication with a partner USB Type-C/PD Device.The UPD350 is designed to function as a Companion Power Delivery Controller to an external MCU/SoC or USB hub, using the integrated I2C/SPI interface. The device is capable of controlling up to 100W of Power Delivery current and voltage using an external power device.The UPD350 integrates two VCONN FETs with Rp/Rd switching. Alternate Modes support is provided including DisplayPort and HDMI. A software stack running on the companion IC executes support DRP modes, power profiles and alternate mode functionality...

Microchip Technology UPD350 Product Info

16 April 2026 10

Parameters

Mode

DFP and UFP

Modulation

USB Type-C

Temp. Range Min.

-40

Temp. Range Max.

85

Package

28-QFN 4x4mm

Features

  • Companion PD Controller for Microchip USB hub / SoC
  • USB Power Delivery 3.0 Compliant MAC
  • USB Type-C™ Alternate Mode Support
  • USB Type-C Connector Support with Connection Detection and Control
  • Dual Role Power (DRP) and Role Swap Support
  • Small Form Factor 4x4 mm 28-QFN
  • Integrated Analog Reduces Bill of Materials and Design Footprint
  • VCONN FETs with Rp/Rd Switching
  • Dead Battery Rd termination
  • Current Sense for Vbus Overcurrent conditions
  • Voltage Sense for Vbus Overvoltage conditions
  • Type-C/ PD Full Feature Support
  • PD 3.0 Support including FRS
  • Supports All-PD Power Profiles
  • Integrated 3.3V Power Switch
  • Provides Dead Battery Support
  • Automatically Switch between VBUS and Main +3.3V (A & B SKUs)
  • USB Power Delivery MAC
  • Compliant with USB Power Delivery Specification Revision 3.0
  • Standalone USB-C charge controller for 5V / 3A applications
  • Power Delivery Packet Framing
  • CRC Checking/Generation
  • 4B/5B Encoding/Decoding
  • BMC Encoding/Decoding
  • EOP/SOP Generation for PD Frames
  • SOP Detection and SOP Header Processing
  • Separate RX/TX FIFOs
  • Automatic GoodCRC Message Generation
  • Automatic Retry Generation
  • Error Handling
  • Low Standby Power Support via Sleep State
  • USB Type-C Cable Detect Logic
  • Auto Cable Attach & Orientation Detection
  • Routes Baseband Communication to Respective CC Pin per Detected Orientation
  • VCONN Supply Control for Active Cable
  • Configurable Downstream Facing Port (DFP) and Upstream Facing Port (UFP) Modes
  • Charging Current Capability Detection
  • Detection of Debug Accessory Mode, Audio Adapter Accessory Mode
  • +1.8V – +3.3V I2C (1 MHz) Interface Supports Communication & Configuration via Companion CPU/SoC
  • Alternate Mode Support including DisplayPort
  • Software C Libraries

    • Description

    The UPD350 is a highly integrated small form factor USB Type-C/PD controller compliant with USB Type-C® specification and USB Power Delivery specification v.3.0. UPD350 provides cable detection and orientation, and implements baseband communication with a partner USB Type-C/PD Device.

    The UPD350 is designed to function as a Companion Power Delivery Controller to an external MCU/SoC or USB hub, using the integrated I2C/SPI interface. The device is capable of controlling up to 100W of Power Delivery current and voltage using an external power device.

    The UPD350 integrates two VCONN FETs with Rp/Rd switching. Alternate Modes support is provided including DisplayPort and HDMI. A software stack running on the companion IC executes support DRP modes, power profiles and alternate mode functionality.

    UPD350 targets a wide range of applications in Consumer (Notebooks, Monitors, Docking Stations) and Industrial (Point of Sale Systems, Printers) market segments.

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