DS1813R-5/T&R

Product Overview

Category

DS1813R-5/T&R belongs to the category of electronic components.

Use

It is commonly used in various electronic devices and circuits for voltage monitoring and reset functions.

Characteristics

• Voltage monitoring and reset functionality
• Compact size
• High reliability
• Wide operating temperature range

Package

DS1813R-5/T&R is available in a small surface mount package.

Essence

The essence of DS1813R-5/T&R lies in its ability to monitor voltage levels and provide a reset signal when necessary, ensuring proper operation of electronic systems.

Packaging/Quantity

DS1813R-5/T&R is typically packaged in reels and is available in large quantities.

Specifications

• Supply Voltage Range: 1.6V to 6.0V
• Reset Threshold Voltage Options: 2.63V, 4.38V, or Adjustable
• Reset Timeout Period Options: 140ms, 560ms, or Adjustable
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

DS1813R-5/T&R has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground connection
3. MR: Manual reset input
4. RESET: Reset output

Functional Features

• Voltage Monitoring: DS1813R-5/T&R continuously monitors the supply voltage and compares it with the preset threshold voltage.
• Reset Generation: When the supply voltage drops below the threshold voltage, DS1813R-5/T&R generates a reset signal to initiate system reset.
• Manual Reset: The MR pin allows for manual reset initiation, overriding the automatic reset function.
• Reset Timeout: DS1813R-5/T&R provides a timeout period during which the reset signal remains active, even if the supply voltage returns to normal.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality
• Compact size for space-constrained applications
• Wide operating temperature range for versatile usage

Disadvantages

• Limited threshold voltage options
• Fixed or limited timeout period options

Working Principles

DS1813R-5/T&R operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage drops below the preset threshold, it triggers the reset output, initiating a system reset. The reset signal remains active for a specific timeout period, allowing the system to stabilize before resuming normal operation.

Detailed Application Field Plans

DS1813R-5/T&R finds application in various electronic systems where voltage monitoring and reliable reset functionality are crucial. Some potential application fields include:

1. Microcontrollers and Microprocessors: Ensuring proper system initialization and preventing erratic behavior due to voltage fluctuations.
2. Industrial Control Systems: Providing reliable reset functionality for critical equipment and ensuring safe operation.
3. Automotive Electronics: Monitoring and resetting microcontrollers in automotive systems to prevent malfunctions and ensure safety.
4. Power Supply Units: Protecting sensitive components from voltage variations and providing stable power delivery.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to DS1813R-5/T&R are:

1. MAX809: Manufactured by Maxim Integrated, it provides voltage monitoring and reset functions with adjustable threshold and timeout options.
2. MCP101: Produced by Microchip Technology, it offers voltage monitoring and reset capabilities with a wide range of threshold voltage options.
3. TPS3839: Texas Instruments manufactures this component, which features adjustable threshold voltage and timeout period for precise system control.

These alternative models can be considered based on specific requirements and design constraints.

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