Overview
The TUSB2046BIVFRG4, produced by Texas Instruments, is a 3.3-V CMOS hub device designed to comply with the Universal Serial Bus (USB) specification as a full-speed hub. This device features one upstream port and four downstream ports, making it suitable for a variety of USB applications. The TUSB2046B is implemented with a digital state machine, eliminating the need for firmware programming. It integrates fully compliant USB transceivers for all upstream and downstream ports, supporting both full-speed and low-speed operations.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 32-Pin LQFP (VF) |
| Pin Pitch | 0.8-mm |
| Operating Temperature Range (°C) | 0 to 70 |
| Power Source Modes | Self-Powered, Bus-Powered |
| Clock Source | 6-MHz or 48-MHz |
| Power Consumption | Low power consumption to meet USB ‘suspend’ current requirements |
| ESD Protection | ESD HBM: ±14kV on D+, D– Lines; ±5kV on VBUS |
| Compliance | Compliant with USB Specification v1.1 and v2.0 |
Key Features
- Fully compliant with the USB specification as a full-speed hub
- One upstream port and four downstream ports supporting full-speed and low-speed operations
- Integrated USB transceivers and 3.3-V low-power ASIC logic
- No firmware programming required due to state machine implementation
- Supports self-powered and bus-powered modes
- Power switching and overcurrent reporting provided ganged or per port
- Supports suspend and resume operations
- Programmable vendor ID and product ID with external serial EEPROM
- Push-pull outputs for PWRON eliminate the need for external pullup resistors
- Noise filtering on OVRCUR provides immunity to voltage spikes
- Low EMI emission achieved by a 6-MHz crystal input
- No special driver requirements; works seamlessly with any operating system with USB stack support
Applications
The TUSB2046BIVFRG4 is versatile and can be used in various applications, including external USB hubs, docking stations, and connecting USB peripherals such as printers, audio/video interfaces, and other devices requiring centralized USB management. Its compact design and low power consumption make it suitable for a wide range of electronic devices.
Q & A
- What is the TUSB2046BIVFRG4? The TUSB2046BIVFRG4 is a 3.3-V CMOS hub device produced by Texas Instruments, designed to comply with the Universal Serial Bus (USB) specification as a full-speed hub.
- How many ports does the TUSB2046BIVFRG4 have? It features one upstream port and four downstream ports.
- What are the power source modes supported by the TUSB2046BIVFRG4? It supports both self-powered and bus-powered modes.
- Does the TUSB2046BIVFRG4 require firmware programming? No, it does not require firmware programming due to its state machine implementation.
- What are the supported clock sources for the TUSB2046BIVFRG4? It supports both 6-MHz and 48-MHz clock sources.
- Is the TUSB2046BIVFRG4 ESD compliant? Yes, it is ESD compliant with HBM: ±14kV on D+, D– Lines; ±5kV on VBUS.
- What are the operating temperature ranges for the TUSB2046BIVFRG4? The operating temperature range is from 0 to 70°C.
- Does the TUSB2046BIVFRG4 support suspend and resume operations? Yes, it supports suspend and resume operations.
- Can the TUSB2046BIVFRG4 be used with any operating system? Yes, it works seamlessly with any operating system that has USB stack support.
- What is the package type of the TUSB2046BIVFRG4? It is available in a 32-Pin LQFP (VF) package.
