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TPS22948DCKR

2A load switch, 1-5.5V, 16mOhm, SOT-23-6

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Manufacturer Part：

TPS22948DCKR

Package：

SOT-23-6 (2.9 x 1.6 mm)

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Description

Product Overview

The TPS22948DCKR from Texas Instruments is a 2A load switch with 16mOhm Rds(on) and adjustable slew rate in a SOT-23-6 package. With 1-5.5V input range, controlled turn-on to limit inrush current, and ON status output, it provides robust power domain switching for battery-powered and USB applications.

Key Specifications

Input Voltage 1.0V to 5.5V
Output Current 2A continuous
Rds(on) 16mOhm typical @ VIN=5V
Slew Rate Adjustable (external CT capacitor)
ON Pin Active high enable
VOUT Discharge Yes (when ON=low)
Iq 0.5uA typical (off)
Reverse Current Block Yes (when off)
Operating Temp -40 to +105 C
Package SOT-23-6

Features

  • 2A continuous current with 16mOhm Ron
  • Adjustable slew rate for inrush current control
  • Built-in output discharge resistor (when off)
  • 0.5uA ultra-low off-state current
  • Reverse current blocking when switch is off
  • SOT-23-6 tiny package

Applications

  • USB port power switching
  • Battery-powered domain isolation
  • Hot-plug power management
  • FPGA/CPU core power sequencing

The TPS22948DCKR from Texas Instruments is a 2A load switch with 16mOhm Rds(on) and adjustable slew rate in a SOT-23-6 package. With 1-5.5V input range, controlled turn-on to limit inrush current, and ON status output, it provides robust power domain switching for battery-powered and USB applications.

The TPS22948DCKR operates as described in the product overview. Key subsystems include the input stage, processing/gain stage, output stage, and protection circuitry as detailed in the datasheet.

Pin Name Type Description
1 VIN Power Input supply (1.0-5.5V)
2 GND Power Ground
3 ON Input Enable (active high)
4 CT I/O Slew rate control capacitor
5 VOUT Output Switched output
6 NC – No connect
  • USB port power switching
  • Battery-powered domain isolation
  • Hot-plug power management
  • FPGA/CPU core power sequencing
Model Manufacturer Package Notes
TPS22916DCKR TI SOT-23-6 1A, 80mOhm, lower cost
TPS22918DCKR TI SOT-23-6 2A, no adjustable slew
FDC6325L onsemi SOT-23-6 Discrete P-ch + N-ch
AP22802AW5-7 Diodes Inc SOT-25 2A load switch
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