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VL154 E-Marker for USB-C TBT3 Passive Cable


VL154 is an Electronic Marker for USB Type-C cable that complies with the latest USB Type-C and PD standards.
VL154 integrated USB Type-C cable needed Vconn Isolation diodes and RA resistors, minimize BOM and easy for cable assembly. VL154 also supports Thunderbolt Cable VDO.

Block Diagram

Key Features

  • Thunderbolt 3
    – Support Thunderbolt cable VDO
  • PD 3.0 Compliant
    – Compliant to USB Power Delivery 3.0 Specification
    – SOP’ Endpoint
    – Supports Programming over CC Line using Unstructured Vendor Defined Messages
  • Sideband Signal Support
    – Supports SMBus for Programming and Debugging
  • Easy Manufacturability
    – DFN-8 2x3mm features 0.5mm pin pitch for easy manufacturing
    – WLCSP-6 1.2x1.25mm with 0.4mm pin pitches to minimize paddle card size.
    – Compatible with standard PCB Process
    – Programming Support over CC or SMBus
    – Extremely Low BOM Cost: Diodes, Ra are all integrated On-Die
    – Compatible with Third-Party Programming Tools
  • DMTP Memory Onboard
    – Supports double times writable memory to store Cable VDO, Certification Status VDO, Product VDO, etc.
    – Features write-protection support so finished cables cannot be modified
    – DMTP memory is the best choice for data-retention and longevity
  • Applications
    – USB Type-C Cables such as Full-Featured C-to-C cables
    – Passive Thunderbolt cable
  • Certification
    – TBD
  • Misc.
    – Optimized for Low Power consumption
    – RoHS compliance and HF compliance