Weltrend | Products

E-marker IC

WT6622

The WT6622 is a highly integrated USB Type-C^® E-marker IC that supports USB PD 3.0 and USB Type-C 1.3 specifications designed for USB Type-C passive cables. The WT6622 minimizes external components by integrating isolation diodes, Ra resistors, and linear regulator to allow small form factor and low BOM cost. An One Time Programmable (OTP) ROM is provided for cable characteristics setting, such as current capability, USB standard version, and vendor identification, etc. The WT6622 is certified by USB Implementers Forum (USB-IF) for USB Type-C.

Features

- USB Power Delivery Rev. 3.0 compliant
  - USB Type-C Rev. 1.3 compliant
  - USB-IF certification TID: 1000161, XID: 0005476
  - Support Structured VDM Discovery Identity command directed to SOP’
  - Support Get Manufacturer Information Message directed to SOP’
  - Embedded isolation diodes
  - Embedded Ra resistors
  - Embedded OTP (One-Time Programmable) memory for customized cable characteristics setting
  - Support multi-time OTP re-setting
  - Support customized unstructured VDM writing through CC pin
  - Support security mode for OTP write protection
  - Operating voltage: 3V to 5.5V
  - Package type: DFN-8L (2 mm x 3 mm)

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