TUSB2046B

TUSB2046B is a RoHS Compliant single chip 4-Port USB Hub from Texas Instruments

* Fully Compliant With the USB Specificationas a Full-Speed Hub: TID #30220231 * 32-Terminal LQFP Package With a 0.8-mm Terminal Pitch or QFN Package with a 0.5-mm Terminal Pitch(1) * 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 * Supports 6-MHz Operation Through a Crystal Input or a 48-MHz Input Clock

TUSB2046B Product Page

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Custom Hub Project using a TUSB2046