MIC2040-1YMM

Product Overview

Category: Integrated Circuit (IC)

Use: The MIC2040-1YMM is a voltage supervisor IC that provides power supply monitoring and reset generation functions. It ensures proper system operation by monitoring the voltage levels and generating a reset signal when necessary.

Characteristics: - Voltage monitoring and reset generation - Low power consumption - Small form factor - Wide operating voltage range - High accuracy

Package: The MIC2040-1YMM is available in a miniature 8-pin MSOP package, which offers compactness and ease of integration into various electronic systems.

Essence: The essence of the MIC2040-1YMM lies in its ability to monitor voltage levels and generate reset signals, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity: The MIC2040-1YMM is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V, and adjustable
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 1.5µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MIC2040-1YMM features the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. MR: Manual reset input
4. RESET: Reset output
5. TH: Threshold voltage selection
6. NC: No connection
7. NC: No connection
8. NC: No connection

Functional Features

• Voltage Monitoring: The MIC2040-1YMM continuously monitors the input voltage and compares it with the set threshold voltage.
• Reset Generation: When the monitored voltage falls below the threshold, the MIC2040-1YMM generates a reset signal to initiate system reset or recovery.
• Manual Reset: The MR pin allows for manual reset control, overriding the automatic reset generation.
• Adjustable Threshold: The TH pin provides the option to select an adjustable threshold voltage, allowing flexibility in different applications.

Advantages and Disadvantages

Advantages: - Reliable Power Supply Monitoring: Ensures proper system operation by monitoring voltage levels. - Reset Signal Generation: Generates a reset signal when voltage falls below the threshold, aiding in system recovery. - Low Power Consumption: Consumes minimal power, contributing to energy efficiency. - Compact Size: The small form factor enables easy integration into space-constrained designs.

Disadvantages: - Lack of Advanced Features: The MIC2040-1YMM is a basic voltage supervisor IC and does not offer advanced functionalities like voltage sequencing or fault detection.

Working Principles

The MIC2040-1YMM operates by comparing the input voltage with the selected threshold voltage. If the input voltage drops below the threshold, the reset output is activated, initiating a system reset or recovery process. The manual reset input allows for user-controlled reset functionality.

Application Field Plans

The MIC2040-1YMM finds application in various electronic systems where reliable power supply monitoring and reset generation are critical. Some potential application fields include: - Microcontrollers and microprocessors - Embedded systems - Industrial automation - Automotive electronics - Consumer electronics

Alternative Models

For users seeking alternative options, the following models can be considered: - MIC803-31D2VC3: Voltage supervisor with adjustable threshold and push-pull reset output. - MAX809: Microprocessor supervisory circuit with watchdog timer and manual reset input. - TPS3808: Precision voltage supervisor with adjustable threshold and power-on reset delay.

These alternative models offer additional features and functionalities, catering to specific application requirements.

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