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Product details

Parameters

Vin (Min) (V) 2.7 Vin (Max) (V) 5.5 Continuous current (Max) (A) 0.2 Current limit (A) 0.3 Enable Active Low Number of switches 1 Rating Catalog open-in-new Find other USB power switches & charging port controllers

Package | Pins | Size

SOIC (D) 8 19 mm² 3.91 x 4.9 open-in-new Find other USB power switches & charging port controllers

Features

  • 33-m (5-V Input) High-Side MOSFET Switch
  • Short-Circuit and Thermal Protection
  • Overcurrent Logic Output
  • Operating Range . . . 2.7 V to 5.5 V
  • Logic-Level Enable Input
  • Typical Rise Time . . . 6.1 ms
  • Undervoltage Lockout
  • Maximum Standby Supply Current . . . 10 µA
  • No Drain-Source Back-Gate Diode
  • Available in 8-Pin SOIC and PDIP Packages
  • Ambient Temperature Range, -40°C to 85°C
  • 2-kV Human-Body-Model, 200-V Machine-Model ESD Protection
  • UL Listed - File No. E169910

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Description

The TPS202x family of power distribution switches is intended for applications where heavy capacitive loads and short circuits are likely to be encountered. These devices are 50-m N-channel MOSFET high-side power switches. The switch is controlled by a logic enable compatible with 5-V logic and 3-V logic. Gate drive is provided by an internal charge pump designed to control the power-switch rise times and fall times to minimize current surges during switching. The charge pump requires no external components and allows operation from supplies as low as 2.7 V.

When the output load exceeds the current-limit threshold or a short is present, the TPS202x limits the output current to a safe level by switching into a constant-current mode, pulling the overcurrent (OC) logic output low. When continuous heavy overloads and short circuits increase the power dissipation in the switch, causing the junction temperature to rise, a thermal protection circuit shuts off the switch to prevent damage. Recovery from a thermal shutdown is automatic once the device has cooled sufficiently. Internal circuitry ensures the switch remains off until valid input voltage is present.

The TPS202x devices differ only in short-circuit current threshold. The TPS2020 limits at 0.3-A load, the TPS2021 at 0.9-A load, the TPS2022 at 1.5-A load, the TPS2023 at 2.2-A load, and the TPS2024 at 3-A load (see ). The TPS202x is available in an 8-pin small-outline integrated-circuit (SOIC) package and in an 8-pin dual in-line package (DIP) and operates over a junction temperature range of -40°C to 125°C.

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Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 6
Type Title Date
* Datasheet TPS2020/21/22/23/24 - Power-Distribution Switches datasheet (Rev. C) Sep. 24, 2007
Selection guides Power Management Guide 2018 (Rev. R) Jun. 25, 2018
Technical articles Automotive electronics design made easy Jul. 18, 2013
Technical articles John discusses benefits of LEDs in automobiles Jul. 16, 2013
User guides Single Channel Power-Distribution Switch EVM (Rev. B) Dec. 17, 2007
Application notes Protecting Industrial Digital Control Outputs Using Intelligent MOSFETS Oct. 26, 2000

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
TPS2020 Evaluation Module
TPS2020EVM-290
document-generic User guide
49
Description

The TPS2020EVM-290 is an evaluation module for the Texas Instruments family of single-channel, current limited, power distribution switches. These EVMs operate over a 2.7 V to 5.5 V range and provide a continuous output current of up to 2 A. Test points provide convenient access to (...)

CAD/CAE symbols

Package Pins Download
SOIC (D) 8 View options

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