TPS2493PW

Product Overview

Category

The TPS2493PW belongs to the category of power management integrated circuits (PMICs).

Use

It is primarily used for hot swap controllers in various electronic systems.

Characteristics

• The TPS2493PW is a high-voltage, precision current-limited power distribution switch.
• It offers accurate and reliable protection against overcurrent and short-circuit conditions.
• This device is designed to minimize voltage droop during load transients.
• It provides controlled turn-on and turn-off ramp rates to reduce inrush currents.
• The TPS2493PW features an adjustable current limit and fault reporting capabilities.

Package

The TPS2493PW is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the TPS2493PW lies in its ability to protect electronic systems from excessive current and voltage fluctuations during power supply operations.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 2.7V to 18V
• Adjustable Current Limit Range: 0.1A to 10A
• Operating Temperature Range: -40°C to 85°C
• Fault Reporting: Overcurrent, Short Circuit, and Thermal Shutdown
• Supply Voltage Range: 2.7V to 18V
• Quiescent Current: 50µA (typical)

Detailed Pin Configuration

The TPS2493PW has the following pin configuration:

1. EN (Enable)
2. FLT (Fault)
3. IN (Input)
4. OUT (Output)
5. GND (Ground)

Functional Features

• Accurate and adjustable current limiting
• Fast response time to protect against overcurrent and short-circuit events
• Controlled turn-on and turn-off ramp rates to minimize inrush currents
• Fault reporting through the FLT pin for system monitoring
• Thermal shutdown protection to prevent device damage

Advantages and Disadvantages

Advantages

• Provides reliable protection against overcurrent and short-circuit conditions
• Minimizes voltage droop during load transients
• Adjustable current limit allows flexibility in different applications
• Fault reporting feature enables easy system monitoring

Disadvantages

• Limited operating temperature range (-40°C to 85°C)
• Requires external components for complete functionality

Working Principles

The TPS2493PW operates by continuously monitoring the current flowing through the load. It limits the current to a safe level by adjusting the gate voltage of an internal MOSFET. In case of an overcurrent or short-circuit event, the device quickly shuts off the power path to protect the load and the system.

Detailed Application Field Plans

The TPS2493PW finds applications in various fields, including:

1. Industrial automation systems
2. Telecommunications equipment
3. Server and storage systems
4. Automotive electronics
5. Power distribution units
6. Battery management systems

Detailed and Complete Alternative Models

1. TPS2490PW: Similar functionality with lower current limit range (up to 5A).
2. TPS2491PW: Similar functionality with higher current limit range (up to 15A).
3. TPS2494PW: Similar functionality with additional features like adjustable slew rate control.

These alternative models provide options based on specific current requirements and additional functionalities needed in different applications.

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