TPS2052B

ACTIVE

2-ch, 0.5A loading, 2.7-5.5V, 70mΩ USB power switch, active-high

Product details

Product type Fixed current limit, Power switch Vin (min) (V) 2.7 Vin (max) (V) 5.5 Continuous current (max) (A) 0.5 Current limit (A) 1 Operating temperature range (°C) -40 to 125 Enable Active High Number of switches 2 Current limit accuracy at 1 A 0.25 Rating Catalog
Product type Fixed current limit, Power switch Vin (min) (V) 2.7 Vin (max) (V) 5.5 Continuous current (max) (A) 0.5 Current limit (A) 1 Operating temperature range (°C) -40 to 125 Enable Active High Number of switches 2 Current limit accuracy at 1 A 0.25 Rating Catalog
HVSSOP (DGN) 8 14.7 mm² 3 x 4.9 SOIC (D) 8 29.4 mm² 4.9 x 6 VSON (DRB) 8 9 mm² 3 x 3
  • 70mΩ High-Side MOSFET
  • 500mA Continuous Current
  • Thermal and Short-Circuit Protection
  • Accurate Current Limit (0.75A Minimum, 1.25A Maximum)
  • Operating Range: 2.7V to 5.5V
  • 0.6ms Typical Rise Time
  • Undervoltage Lockout
  • Deglitched Fault Report ( OC)
  • No OC Glitch During Power Up
  • Maximum Standby Supply Current: 1µA (Single, Dual) or 2µA (Triple, Quad)
  • Ambient Temperature Range: –40°C to 85°C
  • UL Recognized, File Number E169910
  • Additional UL Recognition for TPS2042B and TPS2052B for Ganged Configuration
  • 70mΩ High-Side MOSFET
  • 500mA Continuous Current
  • Thermal and Short-Circuit Protection
  • Accurate Current Limit (0.75A Minimum, 1.25A Maximum)
  • Operating Range: 2.7V to 5.5V
  • 0.6ms Typical Rise Time
  • Undervoltage Lockout
  • Deglitched Fault Report ( OC)
  • No OC Glitch During Power Up
  • Maximum Standby Supply Current: 1µA (Single, Dual) or 2µA (Triple, Quad)
  • Ambient Temperature Range: –40°C to 85°C
  • UL Recognized, File Number E169910
  • Additional UL Recognition for TPS2042B and TPS2052B for Ganged Configuration

The TPS20xxB power-distribution switches are intended for applications where heavy capacitive loads and short circuits are likely to be encountered. These devices incorporates 70mΩ N-channel MOSFET power switches for power-distribution systems that require multiple power switches in a single package. Each switch is controlled by a logic enable input. 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 2.7V.

When the output load exceeds the current-limit threshold or a short is present, the device limits the output current to a safe level by switching into a constant-current mode, pulling the overcurrent ( OCx) 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 that the switch remains off until valid input voltage is present. This power-distribution switch is designed to set current limit at 1A (typical).

The TPS20xxB power-distribution switches are intended for applications where heavy capacitive loads and short circuits are likely to be encountered. These devices incorporates 70mΩ N-channel MOSFET power switches for power-distribution systems that require multiple power switches in a single package. Each switch is controlled by a logic enable input. 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 2.7V.

When the output load exceeds the current-limit threshold or a short is present, the device limits the output current to a safe level by switching into a constant-current mode, pulling the overcurrent ( OCx) 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 that the switch remains off until valid input voltage is present. This power-distribution switch is designed to set current limit at 1A (typical).

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Technical documentation

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Type Title Date
* Data sheet TPS20xxB Current-Limited, Power-Distribution Switches datasheet (Rev. P) PDF | HTML 14 Aug 2024
Certificate US-36986-UL Certificate of Compliance IEC 62368-1 12 Mar 2021
EVM User's guide Two-Channel, Power-Distribution Switch EVM (Rev. A) 01 Jun 2012

Design & development

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

Evaluation board

TPS2052BEVM-293 — TPS2052BEVM Evaluation Module

The TPS2052BEVM-293 is an evaluation module (EVM) for the Texas Instruments family of two-channel, current-limited, power-distribution switches. This EVM operates over a 2.7 V to 5.5 V range and provide a continuous output current of up to 1.5 A. Test points provide convenient (...)

User guide: PDF
Not available on TI.com
Development kit

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The SimpleLink™ Ethernet MSP432E401Y microcontroller LaunchPad™ Development Kit is an intuitive evaluation platform for SimpleLink™ Arm® Cortex®-M4F-based Ethernet MCUs. The Ethernet LaunchPad development kit highlights the MSP432E401Y MCU with integrated Ethernet MAC and (...)

User guide: PDF | HTML
Simulation model

TPS2052B Unencrypted PSpice Transient Model Package (Rev. A)

SLVM476A.ZIP (33 KB) - PSpice Model
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This reference design demonstrates how to implement and interface Asynchronous Parallel Flash and SRAM Memories to the performance microcontroller TM4C129. The implementation is made possible by using the EPI Interface in Host Bus 16 Mode with mutliple Chip Selects to interface a 1Gbit-8Mbit range (...)
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Schematic: PDF
Package Pins CAD symbols, footprints & 3D models
HVSSOP (DGN) 8 Ultra Librarian
SOIC (D) 8 Ultra Librarian
VSON (DRB) 8 Ultra Librarian

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