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See Technical Specifications

TUSB2036VFR

Full Speed Hub Controller USB 2.0 3.3V T/R 32-Pin LQFP

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

TUSB2036VFR
Datasheet:

TUSB2036VFR Datasheet (PDF)
Programmable:

Not Verified
Protocol:

USB
Function:

Hub Controller
Interface:

USB
EDA/CAD Models:

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TUSB2036VFR General Description

The TUSB2036 hub is a 3.3-V CMOS device that provides up to three downstream ports incompliance with the USB 2.0 specification. Because this device is implemented with a digital statemachine instead of a microcontroller, no firmware programming is required. Fully-compliant USBtransceivers are integrated into the ASIC for all upstream and downstream ports. The downstreamports support both full-speed and low-speed devices by automatically setting the slew rateaccording to the speed of the device attached to the ports. The configuration of theBUSPWR pin selects either the bus-powered or the self-powered mode. Theintroduction of the DP0 pullup resistor disable pin, DP0PUR, makes it much easier to implement anonboard bus/self-power dynamic-switching circuitry. With the new function pin, the end-equipmentvendor can reduce the total board cost while adding additional product value.

The EXTMEM (pin 26) enables or disables the optional EEPROMinterface. When EXTMEM is high, the vendor and product IDs (VID and PID) usedefaults, such that the message displayed during enumeration is General Purpose USB Hub.

The TUSB2036 supports both bus-powered and self-powered modes. External power-managementdevices, such as the TPS2044, are required to control the 5-V power source switching (on/off) tothe downstream ports and to detect an overcurrent condition from the downstream ports individuallyor ganged.

An individually port power controlled hub switches power on or off to each downstreamport as requested by the USB host. Also when an individually port power controlled hub senses anover-current event, only power to the affected downstream port will be switched off. A ganged hubswitches on power to all its downstream ports when power is required to be on for any port. Thepower to the downstream ports is not switched off unless all ports are in a state that allows powerto be removed. Also when a ganged hub senses an over-current event, power to all downstream portswill be switched off.

The logic level of the MODE pin controls the selection of a crystal input to drive aninternal oscillator or an external clock source.

Key Features

Fully Compliant With the USB Specification as a Full-Speed Hub: TID#30220242
Integrated USB Transceivers
3.3-V Low-Power ASIC Logic
One Upstream Port and 2 or 3Programmable Downstream Ports
- Total Number of Ports (2 or 3) Selected byInput Pin
- Total Number of Permanently Connected Ports Is Selected by 2 InputPins
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 PerPort
Supports Suspend and Resume Operations
Suspend Status Pin Available for External Logic PowerDown
Supports Custom Vendor ID and Product ID With External SerialEEPROM
3-State EEPROM Interface Allows EEPROM Sharing
Push-Pull Outputs for BUSPWR and Enable Easy Implementation ofOnboard Bus/Self-Power Dynamic Switching Circuitry
No Special DriverRequirements; Works Seamlessly With Any Operating System With USB Stack Support
Available in 32-Pin HLQFP Package With a 0.8-mm Pin Pitch (JEDEC ? S-PQFP-G ForLow-Profile Quad Flat Pack)

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Application

PCs and Laptops:
- Used in personal computers and laptops to expand the number of available USB ports for connecting peripherals such as keyboards, mice, external drives, and more.
Consumer Electronics:
- Integrated into consumer electronic devices like smart TVs, set-top boxes, and gaming consoles to provide additional USB connectivity for accessories and storage.
Industrial Equipment:
- Applied in industrial settings to enable USB connections for data acquisition, programming, and control in various machinery and equipment.
Embedded Systems:
- Utilized in embedded systems for adding USB interfaces and expanding connectivity options.
USB Hubs:
- Used as the core component in standalone USB hubs, which are devices designed solely to provide multiple USB ports for users.

Specifications

Category	Integrated Circuits (ICs)InterfaceControllers	Series	-
Programmable	Not Verified	Protocol	USB
Function	Hub Controller	Interface	USB
Standards	USB 2.0	Voltage - Supply	3V ~ 3.6V
Current - Supply	40mA	Operating Temperature	0°C ~ 70°C
Base Product Number	TUSB2036