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AP33771C

Easy-To-Use USB PD3.1 EPR Sink Controller

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Description

The AP33771C is a highly integrated USB Type-C ® PD3.1 sink controller to support Extended Power Range (EPR)/Adjustable Voltage Supply (AVS) up to 28V and Standard Power Range (SPR)/ Programmable Power Supply (PPS) up to 21V. The device is targeted for DC power request and control for Type-C Connector-equipped Devices (TCDs) through simple external resistor setting.

For a simple TCD without a system MCU, the AP33771C initiates desired power request based on resistance values connected on the VSEL pin (voltage) and ISEL pin (current), after Power On Reset (POR), see Table 2 for details.

The AP33771C offers short protection between CC1/CC2 pins to adjacent high-voltage pin up to 34V Smart built-in firmware of the AP33771C offers comprehensive safety protection schemes, including overvoltage protection (OVP), undervoltage protection (UVP), overcurrent protection (OCP), overtemperature protection (OTP), and moisture detection of the Type-C connector. An LED indicator is used to show the PD power negotiation status. The automatic cable voltage drop compensation is implemented to cover practical usage situations. The AP33771C can also indicate the insertion orientation of the Type-C attachment.

Feature(s)

  • USB PD3.1 v1.6 Certified with TID: 9960
  • Operating Voltage Range of VCC: 3 V to 31V
  • Supports PD3.1 EPR/AVS up to 28V and SPR/PPS up to 21V
  • Voltage/Current Selections Through Resistors Settings
  • Support FLIP Indication of the Type-C Attachment
  • Support OVP with Hard Reset and Auto Restart
  • Support UVP, OCP, and OTP with Output Latch Off
  • Driver for Output Enable nMOS Switch
  • Supports Dead Battery Function
  • Automatic Cable Voltage Drop Compensation
  • VBUS Short Protection on CC1/CC2 Pins up to 34V
  • Support Moisture Detection of the Type-C Connector
  • LED Indication for Different Negotiation Results
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
  • Halogen and Antimony Free. “Green” Device (Note 3)
  • For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/104/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative. https://www.diodes.com/quality/product-definitions/

Application(s)

  • USB Type-C connector-equipped battery-powered devices
  • USB Type-C connector-equipped DC-power input devices
  • USB PD3.1 testers

Product Specifications

Product Parameters

Compliance (Only Automotive(Q) supports PPAP) Standard
Protocols Supported USB PD3.1 EPR (MCU + OTP + Hardwired)
Power Role UFP (Upstream-Facing Port) Sink
I2C Support No
SR Controller Embedded No
VBUS MOS Embedded No
VCC Maximum Rating 34
VCC UVLO (V) 2.7

Technical Documents

Evaluation Board User Guides

Recommended Soldering Techniques

TN1.pdf