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TPS25921AD

4.5-V to 18-V electronic fuse with automatic retry fault response

Quantity Unit Price(USD) Ext. Price
1 $2.884 $2.88
10 $2.530 $25.30
30 $2.124 $63.72
100 $1.912 $191.20

Inventory:9,593

*The price is for reference only.
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Overview of TPS25921AD

The TPS25921AD is a load switch with integrated power-distribution switch. It features an input voltage range of 1.8V to 5.5V and is designed for applications requiring precise power distribution and control. This device is equipped with overcurrent protection and adjustable current limit, making it suitable for various power management solutions.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • EN: Enable pin for the load switch
  • IN: Input voltage for the load switch
  • OUT: Output voltage from the load switch
  • STAT: Status output indicating fault conditions
  • ADJ: Adjust pin for configuring current limit
  • GND: Ground connection
  • FLT: Fault pin for reporting fault conditions

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TPS25921AD for a visual representation.

Key Features

  • Integrated Load Switch: The TPS25921AD combines a load switch and power-distribution switch in a single device for simplified power management.
  • Wide Input Voltage Range: Operates with an input voltage range of 1.8V to 5.5V, making it compatible with a variety of power sources.
  • Overcurrent Protection: Equipped with overcurrent protection to safeguard the system against excessive current flow.
  • Adjustable Current Limit: The adjustable current limit feature allows for flexibility in configuring the maximum current level for the load.
  • Compact Package: Available in a small and space-saving package for convenient integration into designs.

Note: For detailed technical specifications, please refer to the TPS25921AD datasheet.

Application

  • Battery-Powered Devices: Ideal for use in battery-powered devices to regulate power distribution and protect against overcurrent conditions.
  • Embedded Systems: Suitable for power management in embedded systems and IoT devices requiring precise control over power distribution.
  • Consumer Electronics: Used in various consumer electronic products for efficient power management and protection.

Functionality

The TPS25921AD offers integrated load switching and power-distribution capabilities with added features for overcurrent protection and adjustable current limit. It provides reliable and precise power management for a wide range of applications.

Usage Guide

  • Input Power: Connect the input voltage (IN) to the power source within the specified voltage range.
  • Enable Control: Use the EN pin to enable or disable the load switch as needed.
  • Adjusting Current Limit: Configure the desired current limit using the ADJ pin to meet application requirements.

Frequently Asked Questions

Q: What is the input voltage range supported by the TPS25921AD?
A: The TPS25921AD operates within an input voltage range of 1.8V to 5.5V, providing flexibility in power source selection.

Q: Does the TPS25921AD include overcurrent protection?
A: Yes, the TPS25921AD is equipped with overcurrent protection to prevent damage from excessive current flow.

Equivalent

For similar functionalities, consider these alternatives to the TPS25921AD:

  • TPS22917C: This load switch IC from Texas Instruments offers comparable power-distribution capabilities with a different package and feature set.
  • ADP125: This integrated load switch device from Analog Devices provides similar power management features with adjustable current limit and overcurrent protection.

Specifications

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

FET Internal Ron (typ) (mΩ) 90
Vin (min) (V) 4.5 Vin (max) (V) 18
Vabsmax_cont (V) 20 Current limit (min) (A) 0.4
Current limit (max) (A) 1.6 Overcurrent response current limiting
Fault response Auto-retry Soft start Adjustable
Overvoltage response Cut-off Features Fault output
UL recognition UL2367, UL60950 Rating Catalog
Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 85
Function Adjustable current limit, Inrush current control, Overvoltage protection, Short circuit protection, Thermal shutdown

Warranty & Returns

Warranty, Returns, and Additional Information

  • QA & Return Policy ?

    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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TPS25921AD

4.5-V to 18-V electronic fuse with automatic retry fault response

Inventory:

9,593