TUSB2036VFRG4

FEATURES: 

• Fully Compliant With the USB Specification as a Full-Speed Hub: TID #
• Integrated USB Transceivers
• 3.3-V Low Power ASIC Logic
• One Upstream Port and 2−3 Programmable Downstream Ports

– Total Number of Ports (2 or 3) Selected by Input Terminal

– Total Number of Permanently Connected Ports Is Selected by 2 Input Terminals

• Two Power Source Modes

– Self-Powered Mode

– Bus-Powered Mode

• All Downstream Ports Support Full-Speed and Low-Speed Operations
• Power Switching and Overcurrent Reporting Is Provided Ganged or Per Port
• Supports Suspend and Resume Operations
• Suspend Status Terminal Available for External Logic Power Down
• Supports Custom 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
• Supports 6-MHz Operation Through a Crystal Input or a 48-MHz Input Clock
• Output Terminal Available to Disable External Pullup Resister on DP0 for 3 ms After Reset or 

After Change on BUSPWR and Enable Easy Implementation of On-Board Bus/Self-Power Dynamic Switching Circuitry

• Available in 32-Terminal LQFP Package With a 0.8-mm Terminal Pitch (JEDEC − S-PQFP-G  For Low-Profile Quad Flat Pack)

Bus-Powered Hub, Ganged-Port Power Management
When used in bus-powered mode, the TUSB2036 supports up to four downstream ports by controlling a
TPS2041 device which is capable of supplying 100 mA of current to each downstream port. Bus-powered hubs
must implement power switching to ensure current demand is held below 100 mA when the hub is hot-plugged
into the system. Utilizing the TPS2041 for ganged-port power management provides overcurrent protection for
the downstream ports. The SN75240 transient suppressors reduce inrush current and voltage spikes on the data
lines. The OVRCUR signals must be tied together for a ganged operation.

企业名：荣盛电子(香港)有限公司

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