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TPS2074

Features: Complete USB Hub Power SolutionMeets USB Specifications 1.1 and 2.0Independent Thermal and Short-Circuit Protection3.3-V Regulator for USB Hub ControllerOvercurrent Logic Outputs4.5-V to 5.5-V Operating RangeCMOS- and TTL-Compatible Enable Inputs185 A Bus-Power Supply CurrentAvailable in...

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SeekIC No. : 004526542 Detail

TPS2074: Features: Complete USB Hub Power SolutionMeets USB Specifications 1.1 and 2.0Independent Thermal and Short-Circuit Protection3.3-V Regulator for USB Hub ControllerOvercurrent Logic Outputs4.5-V to 5...

TPS2074 Data Sheet

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Part Number:
TPS2074
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

 Complete USB Hub Power Solution
 Meets USB Specifications 1.1 and 2.0
 Independent Thermal and Short-Circuit Protection
 3.3-V Regulator for USB Hub Controller
 Overcurrent Logic Outputs
 4.5-V to 5.5-V Operating Range
 CMOS- and TTL-Compatible Enable Inputs
 185 A Bus-Power Supply Current
 Available in 24-Pin SSOP Package
40°C to 85°C Ambient Temperature Range



Pinout

Connection Diagram


Specifications

Input voltage range: VI(BP), VI(SP), VI(ENx), VI(BP_DIS)  . . . . . . . . . . . . .  . . . . . . . .0.3 V to 6 V
Output voltage range: VO(OUTx)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.3 V to 6 V 
                                    VO(3.3V_OUT), VO(PG_DLY), VO(OCx), VO(BPMODE),
                                    VO(DP0_RST), VO(PG)  . . . . . . . . . . . . . . . .  .0.3 V to VO (3.3V_OUT) 0.3 V
Continuous output current: IO(OUTx), IO(3.3V_OUT). . . . . . . . . . . . . . .   . . . . . . internally limited
Maximum output current: IO(BPMODE) or IO(BPMODE), IO(DP0_RST), IO(PG), IO(OCx)  . . . . .±10 mA
Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . .  . . . .See Dissipation Rating Table
Operating virtual junction temperature range, TJ  . . . . . . . . . . . . . . . . . . . . . . . . .40°C to 125°C
Storage temperature range, Tstg  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65°C to 150°C
Lead temperature soldering 1,6 mm (1/16 inch) from case for 10 seconds . . . . . .. . . . . . . .260°C


Description

The TPS2074 and TPS2075 provide a complete USB hub power solution by incorporating three major functions: current-limited power switches for four ports, a 3.3-V 100-mA regulator, and a DP0 line control to signal attach/detach of the hub.

These TPS2074 and TPS2075 devices are designed to meet bus-powered and self-powered hub requirements. These devices are also designed for hybrid hub implementations and allow for automatic switching from self-powered mode to bus-powered mode if loss of self-power is experienced. This feature can be disabled by applying a logic high to the BP_DIS input

Each port of TPS2074 and TPS2075 has a current-limited 100-mΩ Nchannel MOSFET high-side power switch for 500 mA self-powered operation. Each port also has a current-limited 500-mΩ N-channel MOSFET high-side power switch for 100-mA buspowered operation. All the N-channel MOSFETs are designed without parasitic diodes, preventing current backflow into the inputs.For applications where a 5-V regulator is needed, use the TPS2070 or TPS2071 device.




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