TPS2049DRG4

Product Overview

Category: Integrated Circuits (ICs)

Use: Power Distribution Switches

Characteristics: - High Current Limit - Low On-State Resistance - Overcurrent Protection - Thermal Shutdown Protection - Reverse Current Blocking - Fast Short-Circuit Response Time

Package: SOIC-8

Essence: TPS2049DRG4 is a power distribution switch designed to provide protection and control in various applications.

Packaging/Quantity: The TPS2049DRG4 is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Continuous Current Limit: 1.5A
• Operating Temperature Range: -40°C to +85°C
• Quiescent Supply Current: 20µA (typical)
• Standby Current: 0.1µA (typical)

Pin Configuration

The TPS2049DRG4 features the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | IN | Input Voltage | | 2 | GND | Ground | | 3 | EN | Enable Control | | 4 | FLT | Fault Indicator | | 5 | OUT | Output Voltage | | 6 | GND | Ground | | 7 | GND | Ground | | 8 | VIN | Input Voltage |

Functional Features

• Overcurrent Protection: The TPS2049DRG4 monitors the output current and shuts off the switch if it exceeds the set limit.
• Thermal Shutdown Protection: In case of excessive temperature, the device automatically shuts down to prevent damage.
• Reverse Current Blocking: The switch prevents reverse current flow from the output to the input.
• Fast Short-Circuit Response Time: The TPS2049DRG4 quickly reacts to short-circuit conditions, minimizing potential damage.

Advantages and Disadvantages

Advantages: - High current limit allows for powering a wide range of devices. - Low on-state resistance minimizes power loss. - Overcurrent and thermal protection ensure safe operation. - Reverse current blocking protects sensitive components. - Fast short-circuit response time prevents damage.

Disadvantages: - Limited to a maximum continuous current of 1.5A. - Operating temperature range may not be suitable for extreme environments.

Working Principles

The TPS2049DRG4 is based on a power MOSFET switch that controls the flow of current between the input and output. It utilizes various protection mechanisms to ensure safe and reliable operation. The device continuously monitors the output current and temperature, and in case of abnormal conditions, it shuts down to protect the circuitry.

Detailed Application Field Plans

The TPS2049DRG4 is widely used in applications where power distribution and protection are required. Some common application fields include:

1. Portable Electronics: The TPS2049DRG4 can be used in smartphones, tablets, and other portable devices to control the power supply to different components and protect against overcurrent and short-circuit conditions.

2. Industrial Automation: In industrial automation systems, the TPS2049DRG4 can be employed to distribute power to various modules and provide protection against faults, ensuring the overall system's reliability.

3. Automotive Electronics: The TPS2049DRG4 finds applications in automotive electronics, such as infotainment systems, where it enables controlled power distribution and safeguards against potential electrical faults.

Detailed and Complete Alternative Models

1. TPS2041DRG4: Similar to TPS2049DRG4, but with a lower continuous current limit of 1A.
2. TPS2042DRG4: Similar to TPS2049DRG4, but with a higher continuous current limit of 2A.
3. TPS2046DRG4: Similar to TPS2049DRG4, but with a lower continuous current limit of 0.5A.

These alternative models provide options with different current limits to suit specific application requirements.

Note: The above information is subject to change. Please refer to the manufacturer's datasheet for the most up-to-date specifications and details.