MIC841NYC5-T5

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low Power, Precision Monitoring, Reset Output
• Package: SOT-23-5
• Essence: Monitors voltage levels and provides a reset signal when necessary
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.63V, 4.38V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MIC841NYC5-T5 is a 5-pin IC with the following pin configuration:

1. GND: Ground connection
2. VCC: Positive supply voltage input
3. RESET: Active-low reset output
4. MR: Manual reset input
5. TH: Threshold voltage selection input

Functional Features

• Monitors the supply voltage and compares it with the threshold voltage
• Generates a reset signal when the supply voltage falls below the threshold voltage
• Provides an active-low reset output signal
• Includes a manual reset input for external reset control
• Low power consumption for energy-efficient applications

Advantages and Disadvantages

Advantages

• Precise monitoring of voltage levels
• Small form factor package for space-constrained designs
• Wide operating temperature range for versatile applications
• Low power consumption extends battery life in portable devices

Disadvantages

• Limited threshold voltage options may not suit all applications
• Manual reset input may require additional circuitry for implementation

Working Principles

The MIC841NYC5-T5 is designed to monitor the supply voltage of a system. It compares the supply voltage with the selected threshold voltage using an internal voltage reference. When the supply voltage falls below the threshold voltage, the IC generates an active-low reset signal. This reset signal can be used to initiate a system reset or trigger other necessary actions.

The IC also includes a manual reset input (MR) which allows for external control of the reset function. When the MR pin is pulled low, it overrides the internal monitoring and forces the reset output to go low, regardless of the supply voltage level.

Detailed Application Field Plans

The MIC841NYC5-T5 is commonly used in various applications where precise voltage monitoring and reset functionality are required. Some potential application fields include:

1. Microcontroller Systems: Ensuring reliable operation by monitoring the power supply and initiating a reset when necessary.
2. Battery-Powered Devices: Protecting the battery from deep discharge by triggering a reset when the voltage drops below a critical level.
3. Industrial Control Systems: Providing fault detection and recovery capabilities by monitoring power supply integrity.
4. Automotive Electronics: Ensuring proper functioning of critical systems by monitoring voltage levels and initiating resets if needed.

Detailed and Complete Alternative Models

• MIC803: Voltage Supervisor with Adjustable Threshold Voltage
• MAX809: Low-Power Microprocessor Reset Circuits
• TL7705: Supply Voltage Supervisors with Power-On Reset and Watchdog Timer

These alternative models offer similar voltage monitoring and reset functionalities, but may have different package options, threshold voltage ranges, or additional features.

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