MIC810RU-TR

Product Overview

Category

MIC810RU-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: MIC810RU-TR monitors the supply voltage and provides a reset signal when the voltage drops below a specified threshold.
• Reset function: It ensures that the microcontroller or other digital circuitry starts operating correctly after power-up or a brownout condition.
• Low power consumption: The device operates with low quiescent current, making it suitable for battery-powered applications.
• Small package size: MIC810RU-TR comes in a compact SOT-23-3 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

MIC810RU-TR is available in a SOT-23-3 package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V, 4.63V
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Power-On Reset Time: 140ms (typical)

Pin Configuration

MIC810RU-TR has three pins arranged as follows:

```

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| | --| RST |-- --| GND |-- --| VCC |-- |_______| ```

Pin Description: - RST: Reset output pin - GND: Ground reference - VCC: Supply voltage input

Functional Features

1. Voltage Monitoring: MIC810RU-TR continuously monitors the supply voltage.
2. Reset Signal Generation: When the supply voltage drops below the specified threshold, it generates a reset signal on the RST pin.
3. Power-On Reset: It ensures that the microcontroller or digital circuitry starts in a known state after power-up.
4. Manual Reset Input: An external push-button can be connected to the RST pin for manual reset functionality.
5. Low Power Consumption: The device operates with low quiescent current, minimizing power consumption.

Advantages and Disadvantages

Advantages

• Compact size allows for space-efficient designs.
• Wide operating voltage range enables compatibility with various systems.
• Low power consumption is ideal for battery-powered applications.
• Power-on reset feature ensures reliable system startup.

Disadvantages

• Limited reset threshold voltage options may not suit all applications.
• Lack of additional features such as adjustable delay or hysteresis.

Working Principles

MIC810RU-TR utilizes a voltage comparator to monitor the supply voltage. When the voltage drops below the specified threshold, the comparator triggers the generation of a reset signal. This signal remains active until the supply voltage rises above the threshold again. The device's low power consumption ensures minimal impact on overall system efficiency.

Application Field Plans

MIC810RU-TR finds applications in various electronic devices where voltage monitoring and reset functions are crucial. Some potential application fields include: - Microcontrollers and microprocessors - Embedded systems - Industrial automation - Consumer electronics - Automotive electronics

Alternative Models

Below are some alternative models that offer similar functionality to MIC810RU-TR:

1. MAX809: Manufactured by Maxim Integrated, this IC provides voltage monitoring and reset functions in various package options.
2. TPS3808: Texas Instruments offers this voltage supervisor IC with adjustable reset threshold and additional features.
3. ADM6315: Analog Devices produces this microprocessor supervisory circuit with a manual reset input and adjustable reset timeout.

These alternative models can be considered based on specific application requirements and desired features.

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