TCM809MVNB713

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Supervisor

Characteristics: - Monitors the power supply voltage of a system - Generates a reset signal when the voltage falls below a specified threshold - Ensures proper operation and prevents data corruption in microcontrollers, DSPs, and other digital systems

Package: SOT-23-5

Essence: The TCM809MVNB713 is a voltage supervisor IC designed to monitor the power supply voltage and provide a reset signal to the system when the voltage drops below a predetermined level.

Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 3.30V, 4.38V, 4.63V, 4.75V, 4.88V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TCM809MVNB713 has a total of five pins:

1. GND: Ground connection
2. MR: Manual Reset input pin
3. VDD: Positive power supply voltage input
4. RESET: Active-low reset output
5. NC: No connection (unused pin)

Functional Features

• Precision monitoring of power supply voltage
• Adjustable reset threshold voltage options
• Manual reset input for external system control
• Open-drain reset output for compatibility with various microcontrollers and digital systems
• Low quiescent current consumption
• Power-on reset delay to ensure stable operation during power-up

Advantages and Disadvantages

Advantages: - Accurate voltage monitoring for reliable system operation - Adjustable reset threshold to suit different applications - Low power consumption for energy-efficient designs - Manual reset input allows external control over the reset function - Small package size for space-constrained applications

Disadvantages: - Limited number of reset threshold voltage options - No internal pull-up resistor on the manual reset pin

Working Principles

The TCM809MVNB713 operates by continuously monitoring the power supply voltage. When the voltage falls below the specified threshold, the IC generates a reset signal, which can be used to reset the microcontroller or digital system. The reset signal remains active until the voltage rises above the threshold and a timeout period elapses.

Detailed Application Field Plans

The TCM809MVNB713 is widely used in various electronic systems where reliable voltage monitoring and reset functionality are critical. Some common application fields include:

1. Microcontrollers and DSPs: Ensures proper system initialization and prevents data corruption during power fluctuations.
2. Industrial Control Systems: Provides reliable reset functionality for PLCs, motor control systems, and other industrial automation equipment.
3. Communication Systems: Ensures stable operation of network routers, switches, and communication modules.
4. Automotive Electronics: Monitors the vehicle's power supply voltage to prevent malfunctions and ensure safe operation of electronic components.
5. Consumer Electronics: Used in smart home devices, wearable gadgets, and other consumer electronics to maintain system integrity.

Detailed and Complete Alternative Models

1. TCM809SVNB713: Similar voltage supervisor IC with a fixed reset threshold of 2.93V.
2. TCM809RVNB713: Voltage supervisor IC with a wider range of reset threshold voltage options (2.63V to 4.88V).
3. TCM809LVNB713: Low-power voltage supervisor IC with a fixed reset threshold of 2.93V and lower quiescent current consumption.

These alternative models offer different features and specifications to cater to specific application requirements.

Word count: 511 words