TPS3808G01DBVR - English Editing Encyclopedia Entry

Product Overview

Category

The TPS3808G01DBVR belongs to the category of voltage supervisors or reset ICs.

Use

This product is primarily used for monitoring and controlling the power supply voltage in electronic systems. It ensures that the voltage remains within a specified range, triggering a reset signal if it falls below or exceeds the desired threshold.

Characteristics

• Voltage supervisors are essential components in ensuring system reliability and stability.
• The TPS3808G01DBVR offers accurate voltage monitoring with low power consumption.
• It provides a reset signal to the microcontroller or other devices when the monitored voltage deviates from the set threshold.
• This IC operates over a wide temperature range, making it suitable for various applications.

Package

The TPS3808G01DBVR comes in a small SOT-23 package, which is a surface-mount device (SMD) package. This package is compact and allows for easy integration into electronic circuits.

Essence

The essence of the TPS3808G01DBVR lies in its ability to monitor and control the power supply voltage, ensuring system stability and preventing potential damage caused by voltage fluctuations.

Packaging/Quantity

The TPS3808G01DBVR is typically available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 6.5V
• Threshold Voltage Options: Various options available (e.g., 2.93V, 3.08V, 3.63V)
• Reset Timeout Period: Adjustable timeout period (e.g., 200ms, 400ms, 800ms)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: Low quiescent current consumption (e.g., 3µA)

Detailed Pin Configuration

The TPS3808G01DBVR has the following pin configuration:

1. GND: Ground connection
2. RESET: Output reset signal
3. VDD: Power supply voltage input

Functional Features

• Accurate voltage monitoring: The TPS3808G01DBVR ensures precise monitoring of the power supply voltage, preventing system malfunctions due to voltage deviations.
• Adjustable reset timeout period: The IC allows users to set the desired reset timeout period, providing flexibility in different applications.
• Low power consumption: With its low quiescent current, the TPS3808G01DBVR minimizes power consumption, making it suitable for battery-powered devices.
• Reset signal generation: When the monitored voltage falls below or exceeds the threshold, the IC generates a reset signal to initiate system recovery.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring prevents system failures.
• Adjustable reset timeout period offers flexibility.
• Low power consumption extends battery life.
• Compact SOT-23 package enables easy integration.

Disadvantages

• Limited threshold voltage options may not suit all applications.
• Lack of advanced features compared to more specialized voltage supervisors.

Working Principles

The TPS3808G01DBVR operates by continuously monitoring the power supply voltage using an internal voltage reference. It compares the monitored voltage with the user-defined threshold voltage. If the voltage deviates from the threshold, the IC triggers a reset signal, which can be used to restart or reconfigure the system.

Detailed Application Field Plans

The TPS3808G01DBVR finds application in various electronic systems where voltage monitoring and control are critical. Some potential application fields include:

1. Microcontroller-based systems: Ensuring stable power supply voltage for microcontrollers, preventing data corruption and system crashes.
2. Industrial automation: Monitoring power supply voltage in control systems to prevent equipment damage and ensure reliable operation.
3. Automotive electronics: Voltage supervision in automotive applications, safeguarding sensitive electronic components from voltage fluctuations.
4. Battery-powered devices: Maintaining stable voltage levels in portable devices, maximizing battery life and preventing premature shutdowns.

Detailed and Complete Alternative Models

1. TPS3809G01DBVR: Similar to TPS3808G01DBVR but with additional features such as a watchdog timer for system monitoring.
2. MAX809: Voltage supervisor IC with adjustable threshold voltage and reset timeout period.
3. ADM6315: Low-power voltage monitor with a wide operating temperature range and various threshold voltage options.

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