TPS2021DRG4

Product Overview

Category

The TPS2021DRG4 belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a power distribution switch in various electronic devices.

Characteristics

• The TPS2021DRG4 is designed to provide protection and control for power supply systems.
• It offers overcurrent and overvoltage protection, ensuring safe operation of the connected devices.
• This IC has low on-resistance, minimizing power losses during operation.
• It features a thermal shutdown function to prevent overheating.

Package

The TPS2021DRG4 is available in a small outline package (SOP) with eight pins.

Essence

The essence of the TPS2021DRG4 lies in its ability to efficiently distribute power while protecting the system from potential faults.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0V to Vcc
• Maximum Continuous Current: 500mA
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The TPS2021DRG4 has the following pin configuration:

```

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| | --| EN | --| IN | --| OUT | --| GND | --| FLT | --| OV | --| OC | |___________| ```

Functional Features

1. Enable (EN): This pin controls the ON/OFF state of the power distribution switch.
2. Input (IN): The input voltage is applied to this pin.
3. Output (OUT): The output voltage is provided through this pin.
4. Ground (GND): This pin is connected to the ground reference.
5. Fault (FLT): It indicates the occurrence of a fault condition, such as overcurrent or overvoltage.
6. Overvoltage (OV): This pin monitors the voltage level and triggers protection mechanisms if it exceeds the specified limit.
7. Overcurrent (OC): It detects excessive current flow and activates the protection circuitry.

Advantages and Disadvantages

Advantages

• Efficient power distribution with low on-resistance.
• Provides overcurrent and overvoltage protection.
• Compact package size for space-constrained applications.
• Thermal shutdown feature prevents overheating.

Disadvantages

• Limited maximum continuous current capacity.
• Restricted input voltage range.

Working Principles

The TPS2021DRG4 operates by monitoring the input voltage and current levels. When the input voltage exceeds the specified limit or the current exceeds the maximum continuous current rating, the protection circuitry is activated. This ensures that the connected devices are safeguarded from potential damage. The enable pin allows the user to control the ON/OFF state of the power distribution switch.

Detailed Application Field Plans

The TPS2021DRG4 finds applications in various electronic systems, including but not limited to: - Mobile devices - Portable gaming consoles - USB charging hubs - Battery-powered equipment - Industrial automation systems

Detailed and Complete Alternative Models

1. TPS2020DRG4
2. TPS2022DRG4
3. TPS2023DRG4
4. TPS2024DRG4
5. TPS2025DRG4

These alternative models offer similar functionality and features, providing options for different current and voltage requirements.

In conclusion, the TPS2021DRG4 is an integrated circuit power distribution switch that offers efficient power distribution, protection against faults, and compact packaging. Its working principles, advantages, and disadvantages make it suitable for various electronic applications. Additionally, alternative models provide flexibility to meet different system requirements.