Overview
The TUSB4020BIPHP, manufactured by Texas Instruments, is a two-port USB 2.0 hub designed to provide high-speed, full-speed, and low-speed USB connections. This device supports USB high-speed/full-speed connections on the upstream port and high-speed, full-speed, or low-speed connections on the two downstream ports. It is particularly useful in applications requiring multiple USB ports and supports various power management and battery charging modes. The TUSB4020BIPHP is available in a 48-pin HTQFP package and operates over an industrial temperature range of –40°C to 85°C.
Key Specifications
| Specification | Details |
|---|---|
| Package Type | 48-pin HTQFP (PHP) |
| Operating Temperature Range | –40°C to 85°C |
| USB Speed | High-speed (480 Mbps), Full-speed (12 Mbps), Low-speed (1.5 Mbps) |
| Power Management | Per port or ganged power switching and overcurrent protection |
| Clock Input | Single clock input, 24MHz crystal or oscillator |
| Configuration | OTP ROM, I2C EEPROM, or I2C/SMBus target interface for custom configurations |
| Power Modes | CDP (Connected Downstream Port), DCP (Dedicated Charging Port), and Divider mode |
Key Features
- Multi-transaction translator (MTT) hub with two transaction translators and four asynchronous endpoint buffers per transaction translator
- Type C compatible and supports battery charging applications
- CDP mode (upstream port connected) and DCP mode (upstream port unconnected) with compliance to Chinese telecommunications industry standard YD/T 1591-2009
- Per port or ganged power switching and overcurrent notification inputs
- Customization through OTP ROM, I2C EEPROM, or I2C/SMBus target interface for PID, VID, custom port, and phy configurations
- Provides 128-bit universally unique identifier (UUID)
- No special driver requirements; works seamlessly on any operating system with USB stack support
Applications
- Computer systems
- Docking stations
- Monitors
- Set-top boxes
Q & A
- What is the TUSB4020BIPHP?
The TUSB4020BIPHP is a two-port USB 2.0 hub manufactured by Texas Instruments.
- What are the supported USB speeds?
The device supports high-speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5 Mbps) USB connections.
- What is the operating temperature range of the TUSB4020BIPHP?
The device operates over a temperature range of –40°C to 85°C.
- How does the power management work on the TUSB4020BIPHP?
The device supports per port or ganged power switching and overcurrent protection.
- What are the different power modes supported by the TUSB4020BIPHP?
The device supports CDP (Connected Downstream Port), DCP (Dedicated Charging Port), and Divider mode.
- Can the TUSB4020BIPHP be customized?
- Does the TUSB4020BIPHP require special drivers?
No, it works seamlessly on any operating system with USB stack support without requiring special drivers.
- What package type is the TUSB4020BIPHP available in?
The device is available in a 48-pin HTQFP package.
- What are some common applications of the TUSB4020BIPHP?
Common applications include computer systems, docking stations, monitors, and set-top boxes.
- How is the clock input configured for the TUSB4020BIPHP?
The device accepts a single clock input, which can be a 24MHz crystal or an external oscillator.
