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TUSB2046B

Texas Instruments
Part Number TUSB2046B
Manufacturer Texas Instruments
Description 4-Port Hub
Published Aug 10, 2020
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community TUSB2046B, TUSB2046I SLLS413L – F...
Datasheet PDF File TUSB2046B PDF File

TUSB2046B
TUSB2046B

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community TUSB2046B, TUSB2046I SLLS413L – FEBRUARY 2000 – REVISED JUNE 2017 TUSB2046x 4-Port Hub for the Universal Serial Bus With Optional Serial EEPROM Interface 1 Features •1 Fully Compliant With the USB Specification as a Full-Speed Hub: TID #30220231 • 32-Pin LQFP (1) Package With a 0.
8-mm Terminal Pitch or QFN Package With a 0.
5-mm Pin Pitch • 3.
3-V Low-Power ASIC Logic • Integrated USB Transceivers • State Machine Implementation Requires No Firmware Programming • One Upstream Port and Four Downstream Ports • All Downstream Ports Support Full-Speed and Low-Speed Operations • Two Power Source Modes – Self-Powered Mode – Bus-Powered Mode • Power Switching and Overcurrent Reporting Is Provided Ganged or Per Port • Supports Suspend and Resume Operations • Supports Programmable Vendor ID and Product ID 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 • Package Pinout Allows 2-Layer PCB • Low EMI Emission Achieved by a 6-MHz Crystal Input • Migrated From Proven TUSB2040 Hub • Lower Cost Than the TUSB2040 Hub • Enhanced System ESD Performance • No Special Driver Requirements; Works Seamlessly With Any Operating System With USB Stack Support • Supports 6-MHz Operation Through a Crystal Input or a 48-MHz Input Clock (1) JEDEC descriptor S-PQFP-G for low-profile quad flatpack (LQFP).
2 Applications • Computer Systems • Docking Stations 3 Description The TUSB2046x is a 3.
3-V CMOS hub device that provides one upstream port and four downstream ports in compliance with the Universal Serial Bus (USB) specification as a full-speed hub.
Because this device is implemented with a digital state machine instead of a microcontroller, no firmware programming is required.
Fully compliant USB transceivers are integrated into the ASIC for ...


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