4-PORT HUB FOR THE UNIVERSAL SERIAL BUS WITH OPTIONAL SERIAL EEPROM INTERFACE The TUSB2046 is a USB 2.0 hub controller manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Interface:** USB 2.0 compliant (supports Full-Speed and Low-Speed modes)
- **Number of Downstream Ports:** 4 (integrated)
- **Upstream Port:** 1 (connects to host)
- **Operating Voltage:** 3.3V (±10%)
- **Power Management:** Supports bus-powered and self-powered modes
- **Package Options:** 32-pin LQFP (Low-Quad Flat Package)
- **Operating Temperature Range:** -40°C to +85°C
- **Compliance:** USB 2.0, USB-IF certified
### **Descriptions:**
- The TUSB2046 is a 4-port USB 2.0 hub controller designed for embedded applications.
- It integrates USB transceivers, termination resistors, and hub logic, reducing external component count.
- Supports both bus-powered and self-powered configurations.
- Includes overcurrent detection and port power control for each downstream port.
- Features a built-in 5V-to-3.3V regulator for power supply flexibility.
### **Features:**
- **USB 2.0 Compliance:** Supports Full-Speed (12 Mbps) and Low-Speed (1.5 Mbps) operations.
- **Integrated Transceivers:** Eliminates the need for external USB PHY.
- **Flexible Power Options:** Can operate in bus-powered or self-powered modes.
- **Overcurrent Protection:** Individual port power control with overcurrent detection.
- **Low Power Consumption:** Optimized for power-sensitive applications.
- **Plug-and-Play Compatibility:** Works seamlessly with USB hosts and devices.
- **Industrial Temperature Support:** Operates reliably in harsh environments (-40°C to +85°C).
- **Small Footprint:** 32-pin LQFP package for space-constrained designs.
This information is strictly based on the manufacturer's datasheet and technical documentation.