MIC809TYC3-TR

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-23-3

Essence: The MIC809TYC3-TR 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: The MIC809TYC3-TR is available in a SOT-23-3 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 1.6V 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 MIC809TYC3-TR has three pins:

1. VCC: Connect this pin to the positive supply voltage.
2. GND: Connect this pin to the ground reference.
3. RESET: This pin outputs a reset signal when the monitored voltage falls below the threshold.

Functional Features

• Precision monitoring of power supply voltage
• Open-drain RESET output
• Low quiescent current consumption
• Wide operating voltage range
• Adjustable reset threshold voltage options
• Short reset timeout period for quick response

Advantages and Disadvantages

Advantages: - Ensures reliable system operation by monitoring voltage levels - Prevents data corruption and improper functioning of microcontrollers and digital systems - Low power consumption - Adjustable reset threshold for flexibility in different applications

Disadvantages: - Limited to monitoring voltage levels only, does not provide other supervisory functions - Requires an external pull-up resistor for the RESET pin

Working Principles

The MIC809TYC3-TR operates by comparing the supply voltage with a reference voltage. When the supply voltage drops below the preset threshold, the internal comparator triggers and pulls the RESET pin low, generating a reset signal. This signal can be used to reset microcontrollers or other digital systems, ensuring proper operation.

Detailed Application Field Plans

The MIC809TYC3-TR is commonly used in various applications where reliable voltage monitoring and system reset functionality are required. Some typical application fields include:

1. Microcontroller Systems: Ensures proper initialization and prevents data corruption during power-up or voltage fluctuations.
2. Industrial Control Systems: Provides a reliable reset mechanism for critical control circuits.
3. Automotive Electronics: Monitors battery voltage and triggers a system reset if necessary.
4. Power Management Systems: Protects sensitive components from undervoltage conditions.

Detailed and Complete Alternative Models

1. MAX809: Similar voltage supervisor IC with adjustable reset threshold options.
2. ADM809: Voltage monitor with a fixed reset threshold and additional watchdog timer functionality.
3. TPS3808: Supervisor IC with adjustable reset threshold and programmable reset timeout period.

These alternative models offer similar voltage monitoring and system reset features, providing options based on specific application requirements.

Word count: 456 words