TPS2481PW

Product Overview

Category

The TPS2481PW belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for overvoltage protection in various electronic systems. It provides a reliable solution to prevent damage caused by excessive voltage levels.

Characteristics

• Overvoltage protection: The TPS2481PW offers robust protection against overvoltage events, safeguarding sensitive components.
• Fast response time: It quickly detects and responds to overvoltage conditions, minimizing the risk of damage.
• Low power consumption: The IC operates efficiently, consuming minimal power during normal operation.
• Compact package: The TPS2481PW is available in a small form factor package, making it suitable for space-constrained applications.
• High reliability: This product is designed to ensure long-term reliability and durability.

Package and Quantity

The TPS2481PW is typically packaged in a PowerPAD™ thermally enhanced package. It is available in reel packaging with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Maximum Continuous Current: 1A
• Overvoltage Threshold Range: 4.3V to 6.5V
• Response Time: <1µs

Pin Configuration

The TPS2481PW has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. EN: Enable pin
4. FLT: Fault output
5. OV: Overvoltage detection input
6. OUT: Output pin

Functional Features

• Overvoltage Protection: The TPS2481PW monitors the input voltage and triggers a fault output when an overvoltage condition is detected.
• Fast Response: It quickly reacts to overvoltage events, minimizing the exposure of downstream components to excessive voltage levels.
• Enable Pin: The EN pin allows for easy control of the device's operation, enabling or disabling the overvoltage protection functionality.
• Fault Output: The FLT pin provides a signal indicating the occurrence of an overvoltage event.
• Wide Input Voltage Range: The IC can operate within a wide range of input voltages, making it versatile for various applications.

Advantages and Disadvantages

Advantages

• Effective overvoltage protection
• Fast response time
• Low power consumption
• Compact package size
• High reliability

Disadvantages

• Limited maximum continuous current (1A)
• Restricted operating temperature range (-40°C to 85°C)

Working Principles

The TPS2481PW operates by continuously monitoring the input voltage. When the voltage exceeds the predefined threshold, the IC triggers the fault output, indicating an overvoltage condition. This prompt response helps prevent damage to downstream components. The enable pin allows users to easily enable or disable the overvoltage protection feature as needed.

Detailed Application Field Plans

The TPS2481PW finds application in various electronic systems where overvoltage protection is crucial. Some potential application fields include:

1. Power Supplies: Ensuring stable voltage levels in power supply units.
2. Industrial Control Systems: Protecting sensitive equipment from voltage spikes.
3. Automotive Electronics: Safeguarding automotive electronics from voltage surges.
4. Telecommunications: Preventing damage to communication devices caused by overvoltage events.
5. Consumer Electronics: Providing reliable overvoltage protection for consumer electronic devices.

Detailed and Complete Alternative Models

1. TPS2480PW: Similar to the TPS2481PW but with a lower maximum continuous current rating of 500mA.
2. TPS2482PW: Similar to the TPS2481PW but with a higher maximum continuous current rating of 2A.
3. TPS2483PW: A variant with additional features such as adjustable overvoltage threshold and programmable response time.

(Note: The above alternative models are for illustrative purposes only and may not represent an exhaustive list.)

In conclusion, the TPS2481PW is an integrated circuit designed for overvoltage protection in electronic systems. With its fast response time, low power consumption, and compact package, it offers effective safeguarding against voltage spikes. While it has limitations in terms of maximum continuous current and operating temperature range, its advantages outweigh these disadvantages. The IC finds application in various fields, and alternative models provide flexibility to suit different requirements.