Texas Instruments TUSB2046B TUSB2046BI Data Sheet User Manual
Summary
This highly compliant USB hub device provides a robust 3.3V solution for connecting peripherals via one upstream and four downstream ports. Ideal for embedded system designers requiring stable power management and full-speed operation without needing firmware programming. The documentation details comprehensive configuration methods, including clock source selection, optional EEPROM integration, and detailed procedures for selecting between self-powered or bus-powered modes.
Manual Details
| Brand | Texas Instruments |
|---|---|
| Pages | 21 |
| File Size | 817.53 KB |
| Published | June 06, 2026 |
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Frequently Asked Questions
Is firmware programming required for the TUSB2046B hub?
No, because the device is implemented with a digital state machine rather than a microcontroller.
What power source modes are available?
The device supports two modes: Self-Powered Mode and Bus-Powered Mode, selected by the BUSPWR terminal.
How does the hub support different device speeds?
Downstream ports automatically set the slew rate to support both full-speed and low-speed devices.
What is required for low-power suspend/resume operations?
A passive crystal or resonator must be used to enable low-power suspend and resume features.