SLVSL35 September   2026 TUSB2514B

ADVANCE INFORMATION  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Timing Requirements
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Battery Charging Features
      2. 6.3.2 USB Power Management
      3. 6.3.3 Clock Generation
        1. 6.3.3.1 Crystal Requirements
        2. 6.3.3.2 Input Clock Requirements
      4. 6.3.4 Power-Up and Reset
    4. 6.4 Device Functional Modes
      1. 6.4.1 I2C EEPROM Operation
      2. 6.4.2 SMBus Target Operation
      3. 6.4.3 Port Configuration
  8. 7 Register Maps
    1. 7.1 TUSB2514 Registers
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Application Curves
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 TUSB2514B Power Supply
      2. 8.3.2 Downstream Port Power
      3. 8.3.3 Ground
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
        1. 8.4.1.1 Placement
        2. 8.4.1.2 Package Specific
        3. 8.4.1.3 Differential Pairs
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

8.2 Typical Application

A common application for the TUSB2514B device is as a self-powered standalone USB-hub product. The product is powered by an external 3.3V DC power supply. In this application the upstream port of the TUSB2514B device is plugged into a USB host controller. The downstream ports of the TUSB2514B device are exposed to users for connecting USB peripherals, such as hard drives, cameras, flash drives, and so forth.


TUSB2514B Typical Use Case

Figure 8-1 Typical Use Case