TPS2550DRVRG4

Product Overview

Category: Integrated Circuits (ICs)

Use: Power Management IC

Characteristics: - Overvoltage and undervoltage protection - Current limiting - Thermal shutdown protection - Low quiescent current - Fast response time

Package: SOT-23-6

Essence: The TPS2550DRVRG4 is a power management IC that provides overvoltage and undervoltage protection, current limiting, and thermal shutdown protection. It is designed to protect sensitive electronic components from voltage spikes and other power-related issues.

Packaging/Quantity: The TPS2550DRVRG4 is available in a reel packaging with 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)
• Overvoltage Threshold: 5.5V (typical)
• Undervoltage Threshold: 2.3V (typical)
• Current Limit: 500mA (typical)
• Response Time: <1µs (typical)

Pin Configuration

The TPS2550DRVRG4 has the following pin configuration:

```

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| | --| EN OUT |-- V+ --| GND IN |-- VIN --| UVLO PG |-- GND |___________| ```

• EN: Enable pin
• OUT: Output pin
• GND: Ground pin
• IN: Input pin
• VIN: Input voltage pin
• UVLO: Undervoltage lockout pin
• PG: Power good pin

Functional Features

1. Overvoltage and Undervoltage Protection: The TPS2550DRVRG4 monitors the input voltage and protects the downstream circuitry from overvoltage and undervoltage conditions.

2. Current Limiting: It limits the output current to prevent damage to the connected devices in case of a short circuit or excessive load.

3. Thermal Shutdown Protection: The IC has built-in thermal protection that shuts down the device if the temperature exceeds a certain threshold, preventing overheating and potential damage.

4. Low Quiescent Current: The TPS2550DRVRG4 consumes very low quiescent current when in standby mode, minimizing power consumption.

5. Fast Response Time: With a response time of less than 1µs, the IC quickly reacts to voltage fluctuations, ensuring prompt protection for the connected components.

Advantages and Disadvantages

Advantages: - Provides comprehensive protection against overvoltage, undervoltage, and excessive current - Compact SOT-23-6 package allows for easy integration into various applications - Low quiescent current minimizes power consumption - Fast response time ensures quick protection

Disadvantages: - Limited maximum input voltage range (2.5V to 6.5V) - Current limit may not be sufficient for high-power applications

Working Principles

The TPS2550DRVRG4 works by continuously monitoring the input voltage. If the voltage exceeds the overvoltage threshold, the IC immediately shuts off the output to protect the downstream circuitry. Similarly, if the voltage drops below the undervoltage threshold, the IC cuts off the output to prevent damage. In case of a short circuit or excessive load, the current limiting feature activates to restrict the output current. The IC also incorporates thermal shutdown protection to safeguard against overheating.

Detailed Application Field Plans

The TPS2550DRVRG4 is widely used in various applications where protection against voltage spikes and power-related issues is crucial. Some of the common application fields include:

1. Mobile Devices: The IC can be used in smartphones, tablets, and other portable devices to protect the internal components from voltage fluctuations.

2. Industrial Automation: It finds applications in industrial automation systems to safeguard sensitive equipment from power surges and undervoltage conditions.

3. Automotive Electronics: The TPS2550DRVRG4 is suitable for automotive electronics, providing protection to critical components from voltage transients and ensuring reliable operation.

4. Power Supplies: It can be integrated into power supply units to protect connected devices from overvoltage, undervoltage, and excessive current.

Detailed and Complete Alternative Models

• TPS2550DRVR
• TPS2550DBVR
• TPS2550DBVT
• TPS2550DRBT
• TPS2550DRBR

These alternative models offer similar functionality and features as the TPS2550DRVRG4, providing options for different package types or pin configurations.

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