Overview
The TUSB2036VFR is a 2/3-port USB full-speed hub manufactured by Texas Instruments. This device is a 3.3-V CMOS IC that complies with the USB 2.0 specification, providing up to three downstream ports. It is implemented with a digital state machine, eliminating the need for firmware programming. The hub supports both bus-powered and self-powered modes and includes integrated USB transceivers for all upstream and downstream ports.
The TUSB2036VFR is available in a 32-pin HLQFP package with a 0.8-mm pin pitch, making it suitable for various applications requiring compact and efficient USB hub solutions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | LQFP (VF) | |
| Pins | 32 | |
| Operating Temperature Range | 0 to 70 | °C |
| Supply Voltage | 3.3 V | V |
| Downstream Ports | 2 or 3 (programmable) | |
| Power Source Modes | Bus-Powered, Self-Powered | |
| USB Speed Support | Full-Speed (12 Mbps), Low-Speed (1.5 Mbps) | |
| Clock Input | 6 MHz or 48 MHz | |
| Package Dimensions | 7 x 7 x 1.4 mm |
Key Features
- Fully compliant with the USB 2.0 specification as a full-speed hub.
- Integrated USB transceivers for all upstream and downstream ports.
- 3.3-V low-power ASIC logic.
- One upstream port and 2 or 3 programmable downstream ports, selected by input pins.
- Supports both bus-powered and self-powered modes.
- All downstream ports support full-speed and low-speed operations.
- Power switching and overcurrent reporting provided ganged or per port.
- Supports suspend and resume operations with a suspend status pin available for external logic power down.
- Custom vendor ID and product ID supported with external serial EEPROM.
- 3-state EEPROM interface allows EEPROM sharing.
- Push-pull outputs for PWRON eliminate the need for external pullup resistors.
- Noise filtering on OVRCUR provides immunity to voltage spikes.
- Supports 6-MHz operation through a crystal input or a 48-MHz input clock.
- No special driver requirements; works seamlessly with any operating system with USB stack support.
Applications
- Computer systems.
- Docking stations.
- Any device requiring multiple USB ports, such as printers, scanners, and other peripherals.
- Embedded systems and industrial control devices.
Q & A
- What is the TUSB2036VFR?
The TUSB2036VFR is a 2/3-port USB full-speed hub IC manufactured by Texas Instruments, compliant with the USB 2.0 specification.
- What package type is the TUSB2036VFR available in?
The TUSB2036VFR is available in a 32-pin HLQFP (VF) package.
- What are the power source modes supported by the TUSB2036VFR?
The TUSB2036VFR supports both bus-powered and self-powered modes.
- Does the TUSB2036VFR require firmware programming?
No, the TUSB2036VFR is implemented with a digital state machine, eliminating the need for firmware programming.
- What USB speeds are supported by the TUSB2036VFR?
The TUSB2036VFR supports both full-speed (12 Mbps) and low-speed (1.5 Mbps) USB operations.
- How does the TUSB2036VFR handle power switching and overcurrent reporting?
The TUSB2036VFR provides power switching and overcurrent reporting either ganged or per port, depending on the configuration.
- Can the TUSB2036VFR support custom vendor and product IDs?
Yes, the TUSB2036VFR supports custom vendor and product IDs with an external serial EEPROM.
- What clock input options are available for the TUSB2036VFR?
The TUSB2036VFR can operate with either a 6-MHz or a 48-MHz clock input.
- Does the TUSB2036VFR require special drivers to operate?
No, the TUSB2036VFR works seamlessly with any operating system that has USB stack support, without requiring special drivers.
- What are some common applications of the TUSB2036VFR?
The TUSB2036VFR is commonly used in computer systems, docking stations, and other devices requiring multiple USB ports.
