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Single Channel, Current-Limited USB Power Distribution Switch


Package | PIN: DBV | 5
Temp: I (-40 to 85)
Carrier: Cut Tape
Qty Price
1-9 $0.71
10-24 $0.64
25-99 $0.59
100-249 $0.50
250-499 $0.46
500-749 $0.38
750-999 $0.30
1000+ $0.27


  • Single Power Switch Family
  • Rated Current of 2 A
  • ±20% Accurate, Fixed, Constant Current Limit
  • Fast Overcurrent Response: 2 µs
  • Deglitched Fault Reporting
  • Output Discharge
  • Reverse Current Blocking
  • Built-In Soft Start
  • Ambient Temperature Range: –40°C to 85°C
  • UL Listed and CB-File No. E169910

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Texas Instruments  TPS2001DDBVR

The TPS2001D power-distribution switch is intended for applications where heavycapacitive loads and short circuits are likely to be encountered, such as USB.

The TPS2001D limits the output current to a safe level by operating in a constant-currentmode when the output load exceeds the current limit threshold. This provides a predictable faultcurrent under all conditions. The fast overload response time eases the burden on the main 5-Vsupply to provide regulated power when the output is shorted. The power-switch rise and fall timesare controlled to minimize current surges during turnon and turnoff.