TPS22918DBVT

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5.5V Load Switch

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TPS22918DBVT DataSheet

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TPS22918DBVT Details

The TPS22918DBVT is a 5.5V, 2A, 52mΩ load switch with adjustable rise time and quick output discharge from Texas Instruments, designed for reliable power management in various applications. This device features high-speed communication, precise timing and synchronization, low power consumption, silent operation and low noise, flexible interface options, precise temperature control, high efficiency and power factor correction, rapid cycling and high reliability, advanced packaging and materials, high-quality construction and durability, and easy integration with microcontrollers.

Pinout

  • VIN: Input Voltage Pin
  • GND: Ground Pin
  • OUT: Load Switch Output Pin
  • EN: Enable Pin
  • RST: Reset Pin

Key Features

  • 5.5V, 2A, 52mΩ load switch with adjustable rise time and quick output discharge
  • High-speed communication for precise timing and synchronization
  • Low power consumption for efficient operation
  • Silent operation and low noise for quiet performance
  • Flexible interface options for easy integration
  • Precise temperature control for reliable operation in various environments

Applications

  • Power management systems for industrial, automotive, and consumer applications
  • Smart grid and renewable energy systems
  • High-reliability applications such as aerospace and defense
  • Medical devices and equipment requiring precise power control

Where to Use

The TPS22918DBVT is suitable for use in a wide range of applications where reliable power management is critical. This includes industrial, automotive, consumer, and medical devices, as well as smart grid and renewable energy systems.

How to Use

To use the TPS22918DBVT, connect the VIN pin to the input voltage source, the GND pin to ground, and the OUT pin to the load. The EN pin can be used to enable or disable the load switch, while the RST pin can be used to reset the device.

For detailed usage instructions and application notes, refer to the datasheet.

Equivalents

  • NCP3801: A similar load switch from ON Semiconductor with comparable features and performance.
  • TPS92610: Another load switch from Texas Instruments offering similar functionality and specifications.

Complementary

The TPS22918DBVT can be complemented by other devices in the TPS92x family, which offer additional features such as higher current ratings and more advanced power management capabilities.

TPS22918DBVT

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of channels 1 Vin (min) (V) 1
Vin (max) (V) 5.5 Imax (A) 2
Ron (typ) (mΩ) 52 Shutdown current (ISD) (typ) (µA) 0.5
Quiescent current (Iq) (typ) (µA) 8.7 Soft start Adjustable Rise Time
Current limit type None Features Quick output discharge
Rating Catalog Operating temperature range (°C) -40 to 105
FET Internal Device type Load switches
Function Inrush current control

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification TPS22918DBVT PDF Download

FAQs

What is TPS22918DBVT?

The TPS22918DBVT is a low-on-resistance, low-voltage load switch designed by Texas Instruments. It is used in various applications to control the distribution of power to a load with minimal voltage drop and power loss.

How Does TPS22918DBVT Work?

The TPS22918DBVT functions as a load switch by providing a low-resistance path between the input and output pins when enabled. It can be controlled through an enable pin, allowing users to turn the load on and off efficiently. The load switch helps manage power distribution in power-sensitive applications.

How Many Pins does TPS22918DBVT have and What are the Functions of the Pinout Configuration?

The TPS22918DBVT comes in a 5-pin SOT-23 (Small Outline Transistor) package. The pinout configuration includes:

  • EN: Enable pin for controlling the load switch.
  • IN: Input power supply pin.
  • OUT: Output pin connected to the load.
  • GND: Ground pin.
  • Bias: Bias connection for internal circuitry.

What are the Pros and Cons of TPS22918DBVT?

Pros:

  • Low On-Resistance: Provides minimal voltage drop and power loss when conducting.
  • Low-Voltage Operation: Suitable for applications requiring low-voltage power switching.
  • Compact Package: The SOT-23 package is small and space-efficient for compact designs.
  • Enable Control: Allows for easy on/off control of the load switch.

Cons:

  • Current Limitation: May have a limited maximum current handling capacity.
  • Heat Dissipation: Require heat dissipation considerations for high-power applications.

Are There Any Equivalents/Alternatives to TPS22918DBVT for Recommendation?

  • An equivalent part to the TPS22918DBVT is the AP22802 from Diodes Incorporated.
  • Alternatives to the TPS22918DBVT include the BSS138 from ON Semiconductor and the SI2302 from Vishay Semiconductor.

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