TCM809SVNB713 - English Editing Encyclopedia Entry

Product Overview

Product Name: TCM809SVNB713
Category: Integrated Circuit (IC)
Use: Voltage Supervisor
Characteristics: Low-power, precision voltage monitor
Package: SOT-23-5
Essence: Monitors power supply voltage and provides reset signal
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 4.38V, 4.63V, 4.75V
• Reset Timeout Period Options: 140ms, 450ms, 900ms, 1800ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TCM809SVNB713 IC has a total of five pins arranged in the following configuration:

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Pin 1: GND (Ground)
Pin 2: MR (Manual Reset)
Pin 3: VDD (Supply Voltage)
Pin 4: RESET (Reset Output)
Pin 5: NC (No Connection)

Functional Features

• Monitors the power supply voltage continuously
• Generates a reset signal when the voltage falls below the specified threshold
• Provides manual reset capability through the MR pin
• Low quiescent current consumption for power-sensitive applications
• Wide operating voltage range allows compatibility with various systems

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures reliable system operation - Low-power design extends battery life in portable devices - Small package size enables space-constrained applications - Manual reset option provides flexibility in system control

Disadvantages: - Limited number of available threshold voltage options - Reset timeout period options may not suit all application requirements

Working Principles

The TCM809SVNB713 is designed to monitor the power supply voltage and generate a reset signal when the voltage falls below a specified threshold. It utilizes an internal voltage reference and comparator to compare the supply voltage with the selected threshold. When the voltage drops below the threshold, the reset output is asserted, indicating a power failure or unstable voltage condition. The reset signal remains active until the voltage rises above the threshold or a manual reset is triggered.

Detailed Application Field Plans

The TCM809SVNB713 is widely used in various electronic systems where reliable voltage monitoring and reset functionality are critical. Some potential application fields include:

1. Microcontrollers and Microprocessors: Ensures proper initialization and safe operation by monitoring the power supply voltage.
2. Embedded Systems: Provides a reset signal to restart the system in case of power fluctuations or failures.
3. Industrial Control Systems: Monitors voltage stability to prevent data corruption or equipment damage during power disturbances.
4. Automotive Electronics: Protects sensitive components from voltage variations and ensures proper system functioning.
5. Battery-Powered Devices: Maximizes battery life by initiating a shutdown or standby mode when the voltage drops below a certain level.

Detailed and Complete Alternative Models

1. TCM809SVNB713R - Same specifications and features as TCM809SVNB713, but available in a different package (SOT-23-6).
2. TCM809SVNB713G - Green version of TCM809SVNB713, compliant with RoHS regulations.
3. TCM809SVNB713L - Low-power variant of TCM809SVNB713, optimized for ultra-low quiescent current consumption.

These alternative models offer similar functionality and can be considered as substitutes based on specific application requirements.

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