MIC810TU-TR

Product Overview

Category

MIC810TU-TR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage monitoring and reset functions.

Characteristics

• Voltage monitoring: MIC810TU-TR is designed to monitor the supply voltage and provide a reset signal when it falls below a specified threshold.
• Reset function: It ensures that the microcontroller or other digital circuitry starts operating correctly after power-up or brownout conditions.
• Low power consumption: The device operates with low quiescent current, making it suitable for battery-powered applications.
• Small package size: MIC810TU-TR is available in a compact SOT-23 package, allowing for space-efficient designs.
• Wide operating voltage range: It can operate within a wide voltage range, typically from 1.6V to 5.5V.

Package and Quantity

MIC810TU-TR is packaged in a SOT-23-3 package. It is commonly available in reels containing a quantity of 3000 units.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 3.30V, 4.38V, 4.63V, 4.75V, 4.88V
• Quiescent Current: 1µA (typical)
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

MIC810TU-TR has three pins:

1. VDD: This pin is connected to the positive supply voltage.
2. GND: This pin is connected to the ground reference.
3. RESET: This pin outputs a reset signal when the supply voltage falls below the specified threshold.

Functional Features

• Under-Voltage Monitoring: MIC810TU-TR continuously monitors the supply voltage and asserts the RESET pin low when it drops below the programmed threshold.
• Reset Timeout: The device keeps the RESET pin low for a fixed period (typically 140ms) after the supply voltage rises above the threshold, ensuring a stable reset signal.
• Manual Reset Input: An external push-button can be connected to the RESET pin to manually assert a reset condition.
• Active-High RESET Output Option: By connecting an external pull-up resistor, the RESET pin can be configured to provide an active-high reset signal.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality.
• Low power consumption, suitable for battery-powered applications.
• Compact package size allows for space-efficient designs.
• Wide operating voltage range provides flexibility in various applications.

Disadvantages

• Limited threshold voltage options may not cover all specific requirements.
• Lack of built-in hysteresis may lead to potential noise-related issues in certain scenarios.

Working Principles

MIC810TU-TR operates by comparing the supply voltage with the programmed threshold voltage. When the supply voltage drops below the threshold, the device asserts the RESET pin low, indicating a reset condition. Once the supply voltage rises above the threshold, the RESET pin remains low for a fixed timeout period, ensuring a stable reset signal. The device continuously monitors the supply voltage to detect any subsequent drops below the threshold.

Detailed Application Field Plans

MIC810TU-TR finds applications in various electronic devices where reliable voltage monitoring and reset functionality are required. Some common application fields include:

1. Microcontrollers: MIC810TU-TR ensures proper initialization and operation of microcontrollers after power-up or brownout conditions.
2. Embedded Systems: It provides a reset signal to ensure the correct functioning of digital circuitry in embedded systems.
3. Battery-Powered Devices: The low power consumption of MIC810TU-TR makes it suitable for battery-powered devices, such as portable electronics and IoT devices.
4. Industrial Control Systems: It can be used in industrial control systems to monitor voltage levels and initiate a reset when necessary.

Detailed and Complete Alternative Models

1. MAX809: This is an alternative IC with similar voltage monitoring and reset functionality. It offers additional features like adjustable threshold voltage and manual reset input.
2. ADM708: Another alternative IC that provides voltage monitoring and reset functions. It has a wide operating voltage range and offers various threshold voltage options.
3. TPS3808: This IC offers voltage monitoring and reset capabilities along with built-in hysteresis for noise immunity. It also provides adjustable threshold voltage options.

These alternative models offer similar functionalities to MIC810TU-TR and can be considered based on specific requirements and design considerations.

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