Product details

Vin (Min) (V) 4.5 Vin (Max) (V) 5.5 Continuous current (Max) (A) 0.5 Current limit (A) 0.85 Product type Fixed current limit, Power switch Operating temperature range (C) -40 to 85 Enable Active High Number of switches 1 Rating Catalog
Vin (Min) (V) 4.5 Vin (Max) (V) 5.5 Continuous current (Max) (A) 0.5 Current limit (A) 0.85 Product type Fixed current limit, Power switch Operating temperature range (C) -40 to 85 Enable Active High Number of switches 1 Rating Catalog
SOT-23 (DBV) 5 5 mm² 2.9 x 1.6
  • Single Power Switch Family
  • Pin-for-Pin With Existing TI Switch Portfolio
  • Rated Currents of 0.5 A, 1 A, 1.5 A, 2 A
  • ±20% Accurate, Fixed, Constant Current Limit
  • Fast Overcurrent Response: 2 µs
  • Deglitched Fault Reporting
  • Selected Parts With (TPS20xxC) and Without
    (TPS20xxC-2) Output Discharge
  • Reverse Current Blocking
  • Built-In Soft Start
  • Ambient Temperature Range: –40°C to 85°C
  • UL Listed and CB-File No. E169910
  • Single Power Switch Family
  • Pin-for-Pin With Existing TI Switch Portfolio
  • Rated Currents of 0.5 A, 1 A, 1.5 A, 2 A
  • ±20% Accurate, Fixed, Constant Current Limit
  • Fast Overcurrent Response: 2 µs
  • Deglitched Fault Reporting
  • Selected Parts With (TPS20xxC) and Without
    (TPS20xxC-2) Output Discharge
  • Reverse Current Blocking
  • Built-In Soft Start
  • Ambient Temperature Range: –40°C to 85°C
  • UL Listed and CB-File No. E169910

The TPS20xxC and TPS20xxC-2 power-distribution switch family is intended for applications, such as USB, where heavy capacitive loads and short circuits are likely to be encountered. This family offers multiple devices with fixed current-limit thresholds for applications from 0.5 A to 2 A.

The TPS20xxC and TPS20xxC-2 family limits the output current to a safe level by operating in a constant-current mode when the output load exceeds the current limit threshold. This provides a predictable fault current under all conditions. The fast overload response time eases the burden on the main 5-V supply to provide regulated power when the output is shorted. The power-switch rise and fall times are controlled to minimize current surges during turnon and turnoff.

The TPS20xxC and TPS20xxC-2 power-distribution switch family is intended for applications, such as USB, where heavy capacitive loads and short circuits are likely to be encountered. This family offers multiple devices with fixed current-limit thresholds for applications from 0.5 A to 2 A.

The TPS20xxC and TPS20xxC-2 family limits the output current to a safe level by operating in a constant-current mode when the output load exceeds the current limit threshold. This provides a predictable fault current under all conditions. The fast overload response time eases the burden on the main 5-V supply to provide regulated power when the output is shorted. The power-switch rise and fall times are controlled to minimize current surges during turnon and turnoff.

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Technical documentation

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Type Title Date
* Data sheet TPS20xxC and TPS20xxC-2 Current Limited, Power-Distribution Switches datasheet (Rev. H) 02 Oct 2015
* SMD TPS2051C SMD 905X0205100 21 Jun 2016
Certificate TPS2051C UL Certificate of Compliance IEC 62368-1 07 Sep 2020
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Technical article Converting from USB Type-A to USB Type-C™ brings greater energy efficiency 10 Apr 2018

Design & development

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Evaluation board

TPS2051CDBVEVM-636 — TPS2051CDBVEVM-636 Current-Limited USB Power Distribution Switch Evaluation Module

The TPS2051CDBVEVM-636 (EVM) provides an evaluation platform for the TPS20XXCDBV series of Single Channel, Current-Limited USB Power Distribution Switches. The EVM contains input and output connectors as well as control jumpers to ease evaluation of device features.
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Evaluation board

TUSB1210EVM — TUSB1210 DP/DM Line External Component Compensation, Vbus Overvoltage Protection Circuit EVM

The TUSB1210EVM implements a USB PHY with a ULPI interface. It can support Host, Device, OTG modes and also have output voltage support at the ULPI interface for +1.8V. This EVM also acts as a hardware reference design for any implementation of the TUSB1210.
In stock
Limit: 2
Simulation model

TPS2051C Unencrypted PSpice Transient Model Package (Rev. A)

SLVM323A.ZIP (30 KB) - PSpice Model
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SOT-23 (DBV) 5 View options

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