TCM809RVNB713

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 and other digital systems

Package: SOT-23-5

Essence: The TCM809RVNB713 is a voltage supervisor IC designed to monitor the power supply voltage of a system and provide a reset signal when the voltage drops below a certain threshold.

Packaging/Quantity: The TCM809RVNB713 is available in a SOT-23-5 package. It is typically sold in reels or tubes containing multiple units.

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: 140ms (typical)
• Quiescent Current: 1.0µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TCM809RVNB713 has five pins:

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

Functional Features

1. Voltage Monitoring: The TCM809RVNB713 continuously monitors the power supply voltage.
2. Reset Generation: When the voltage falls below the specified threshold, the IC generates a reset signal.
3. Manual Reset: The MR pin allows for manual reset capability.
4. Reset Timeout: The IC ensures a minimum reset pulse width of 140ms to prevent false resets.
5. Low Power Consumption: The TCM809RVNB713 operates with low quiescent current, minimizing power consumption.

Advantages and Disadvantages

Advantages: - Compact SOT-23-5 package for space-constrained applications - Wide supply voltage range allows compatibility with various systems - Multiple reset threshold voltage options for flexibility - Low quiescent current minimizes power consumption

Disadvantages: - Limited number of available reset threshold voltage options - No adjustable reset timeout period

Working Principles

The TCM809RVNB713 operates by comparing the power supply voltage with a fixed threshold voltage. When the voltage drops below the specified threshold, the IC triggers the reset output, indicating a power failure or unstable voltage condition. The reset signal remains active until the voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The TCM809RVNB713 is commonly used in various electronic systems where reliable voltage monitoring and reset generation are critical. Some application fields include:

1. Microcontrollers: Ensures proper operation and prevents data corruption during power fluctuations.
2. Embedded Systems: Provides a reset signal to initialize the system upon power-up or voltage drop.
3. Industrial Control Systems: Monitors power supply voltage to maintain stable operation and prevent damage to sensitive components.
4. Automotive Electronics: Protects microcontrollers and other digital systems from voltage transients and brownout conditions.
5. Battery-Powered Devices: Detects low battery voltage and triggers a reset or shutdown sequence.

Detailed and Complete Alternative Models

1. TCM809RVNB713G - Same specifications and features as TCM809RVNB713, but in a different package (SOT-23-5).
2. TCM809RVNB713I - Same specifications and features as TCM809RVNB713, but with an extended operating temperature range (-40°C to +125°C).
3. TCM809RVNB713M - Same specifications and features as TCM809RVNB713, but with a different reset timeout period (100ms).

These alternative models offer similar functionality and can be used as substitutes for the TCM809RVNB713 in various applications.

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