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TPS2051BDR +BOM

Single-channel power switch IC with a 1A current-limiting function

TPS2051BDR Information

Description

Here's a concise introduction to the TPS2051BDR: The TPS2051BDR is a single, low-dropout power switch from Texas Instruments that distributes power in various applications such as USB ports, portable devices, and battery-powered systems. This switch features high-side MOSFET control, thermal and short-circuit protection, and accurate current limiting to safeguard sensitive electronics. With an operating range of 2.7V to 5.5V and a continuous current rating of 500mA, the TPS2051BDR is designed for use in battery-powered and portable devices that require overcurrent protection and thermal shutdown features. Its compact SOIC-8 package and low standby supply current make it suitable for space-constrained and power-sensitive applications.

Features

Based on the product information provided, the features of the TPS2051BDR are:

  • 70-mΩ High-Side MOSFET
  • 500-mA Continuous Current
  • Thermal and Short-Circuit Protection
  • Accurate Current Limit (0.75 A Minimum, 1.25 A Maximum)
  • Operating Range: 2.7 V to 5.5 V
  • 0.6-ms Typical Rise Time
  • Undervoltage Lockout
  • Deglitched Fault Report (OC)
  • No OC Glitch During Power Up
  • Maximum Standby Supply Current: 1-µA (Single, Dual) or 2-µA (Triple, Quad)
  • Ambient Temperature Range: –40°C to 85°C

Additionally, it provides overcurrent protection and thermal shutdown features, making it suitable for safeguarding sensitive electronics.

Package

The package type of TPS2051BDR is SOIC-8 (8-Pin Small Outline Integrated Circuit).

Pinout

The TPS2051BDR has an 8-pin SOIC package, also known as 8-SOIC. According to Texas Instruments' documentation, the pins are: 1. Input (VIN) 2. Output (VOUT) 3. Ground 4. Ground 5. Enable/RS Pin 6. Soft-Start/PWM Pin 7. Overcurrent Indication (OC) Pin 8. Supply Voltage The TPS2051BDR is a single-channel power switch designed for USB-powered devices and battery-powered systems. It provides overcurrent protection, thermal shutdown, and undervoltage lockout features to safeguard sensitive electronics from damage.

Manufacturer

The manufacturer of the TPS2051BDR is Texas Instruments (TI).

Applications

According to the product information, the TPS2051BDR power distribution switch has various application areas, including:

  • USB ports
  • Portable devices
  • Battery-powered systems

It's commonly used in these applications due to its features, such as overcurrent protection and thermal shutdown, which help safeguard sensitive electronics from potential damage.

Equivalent

The equivalent products of TPS2051BDR are:

  • TPS2042B
  • TPS2052B
  • TPS2061BDR
  • TPS2071BDR

These devices offer similar functionality, including overcurrent protection and thermal shutdown features, making them suitable for applications requiring power distribution and management.

TPS2051BDR

Specifications

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 1
Current limit accuracy at 1 A 0.25 Rating Catalog
Package/Case SOP8

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Ratings and Reviews

More
M
M**x 12/17/2024

One in ten will punch. All from different manufacturers. Inscriptions are not visible

4
L
L**e 10/10/2023

Fast shipping! Ordered 20 pcs, all workers! Checked according to the scheme in the photo.When checking at 12 volts current consumption 5 ma, and at 15 volts current consumption 12-13 ma!On datashetit 15.6 v current 5 ma.

11
L
L**n 01/06/2022

Verry good ! je recommande !

10
E
E**n 12/06/2020

Delivered safely and safely. Good quality product. All as in the description.

9

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