SLLSEM6B April   2015  – August 2015 HD3SS2522

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Switching Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Adaptive Common Mode Tracking for USB 3.1 MUX
      2. 7.3.2 DFP-to-UFP Attach/Detach Detection
      3. 7.3.3 Plug Orientation/Cable Twist Detection
      4. 7.3.4 VBUS Fault
      5. 7.3.5 VCONN Fault
    4. 7.4 Device Functional Modes
      1. 7.4.1 Unattached.DFP State
      2. 7.4.2 Attached.DFP State
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 USB Type-C DFP Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 USB Type-C Current Advertising
        2. 8.2.2.2 VCONN and VBUS Power Switch Control
        3. 8.2.2.3 Firmware Upgradability
      3. 8.2.3 USB Type-C DFP Circuit Schematics with a Type C Receptacle
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Critical Routes
      2. 10.1.2 General Routing/Placement Rules
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Community Resources
    2. 11.2 Trademarks
    3. 11.3 Electrostatic Discharge Caution
    4. 11.4 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

1 Features

  • Compliant to USB Type-C Specification 1.1
  • Mode Configuration
    • Host Only – DFP
  • Channel Configuration (CC)
    • Attach of USB Port Detection
    • Cable Orientation Detection
    • Type-C Current Mode (Default, Mid, High)
  • Supply Voltage 3.3 V ± 10%
  • 2:1 Mux Solution for USB 3.1 Signaling
  • Operates up to 10 Gbps with Wide -3 dB BW of 8 GHz
  • Excellent Dynamic Characteristics at 2.5 GHz
    • Crosstalk = –39 dB
    • Off Isolation = –22 dB
    • Insertion Loss = –1.2 dB
    • Input Return Loss = –12 dB
  • Low Active (2 mW) and Standby Power (50 μW) Consumption

2 Applications

  • Desktop and Notebook PCs
  • USB Type-C DFP Applications
  • Motherboards

3 Description

HD3SS2522 is a 2:1 USB mux with Configuration Channel (CC) logic with Downstream Facing Port (DFP) support. The HD3SS2522 presents itself as a DFP according to the USB Type-C Spec. The CC logic block monitors the CC1 and CC2 pins voltages to determine when a USB port has been attached. Once a USB port has been attached, the CC logic also determines the orientation of the cable and configures the USB SS mux accordingly.

The HD3SS2522 provides an VBUS_EN signal to control legacy power switch to provide 5 V to VBUS. The device also provides control signals needed to support 5 V VCONN sourcing for ecosystems implementing USB Type-C.

Excellent dynamic characteristics of the device allow high speed switching with minimum attenuation to the signal eye diagram and little added jitter. The device also has low current consumption in Standby mode.

Device Information(1)

PART NUMBER PACKAGE BODY SIZE (NOM)
HD3SS2522 WQFN (56) 11.00 mm x 5.00 mm
  1. For all available packages, see the orderable addendum at the end of the data sheet.

Simplified Schematic

HD3SS2522 fp_schematic_sllsem6.gif
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