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
• Small form factor
• High reliability
• Wide operating temperature range
• Low power consumption

Package

DS1813R-5+T&R is available in a 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 functioning of electronic systems.

Packaging/Quantity

DS1813R-5+T&R is typically packaged in reels or tape and reel packaging. The quantity per reel varies depending on the manufacturer's specifications.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: 4.63V
• Reset Timeout Period: 140ms (min)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typ)

Detailed Pin Configuration

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

1. GND (Ground)
2. VCC (Supply Voltage)
3. 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.
• Reset Timeout: The reset signal remains active for a minimum timeout period after the supply voltage rises above the threshold voltage, ensuring stable system operation.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality
• Small form factor allows for easy integration into various electronic systems
• Wide operating temperature range enables usage in extreme environments
• Low power consumption helps conserve energy

Disadvantages

• Limited reset timeout period may not be suitable for certain applications requiring longer reset times
• Lack of additional features such as adjustable threshold voltage or hysteresis limits customization options

Working Principles

DS1813R-5+T&R operates based on a voltage comparator circuit. It continuously compares the supply voltage with the preset threshold voltage. When the supply voltage drops below the threshold, the reset output is activated, initiating a system reset. The reset signal remains active for a minimum timeout period after the supply voltage rises above the threshold, ensuring stable system operation.

Detailed Application Field Plans

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

1. Microcontrollers and Microprocessors: Ensuring reliable system reset during power fluctuations or brownout conditions.
2. Industrial Control Systems: Monitoring critical voltages in control panels to prevent malfunctioning or damage.
3. Automotive Electronics: Providing reset functionality for safety-critical systems like airbag controllers or engine management units.
4. Power Supply Units: Protecting sensitive components by initiating a reset when the supply voltage falls outside the acceptable range.

Detailed and Complete Alternative Models

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

1. MAX811: Voltage monitor and reset IC with adjustable threshold voltage.
2. MCP101: Precision voltage monitor with programmable reset timeout period.
3. TPS3808: Supervisor and reset IC with adjustable threshold voltage and watchdog timer.

These alternative models provide flexibility in terms of threshold voltage adjustment, reset timeout customization, and additional features, catering to specific application requirements.

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