MIC2550AYML-TR

Product Overview

Category: Integrated Circuit (IC)

Use: The MIC2550AYML-TR is a voltage supervisor IC primarily used for monitoring and controlling power supply voltages in electronic systems. It ensures stable and reliable operation by providing reset signals to the microcontroller or other digital devices when the power supply voltage falls below a certain threshold.

Characteristics: - Low quiescent current consumption - Wide operating voltage range - Adjustable reset threshold voltage - Small package size for space-constrained applications - High accuracy and stability

Package: The MIC2550AYML-TR is available in a small 6-pin SOT-23 package, which is widely used for compact electronic devices.

Essence: The essence of the MIC2550AYML-TR lies in its ability to monitor power supply voltages and provide a reliable reset signal to ensure proper functioning of digital devices.

Packaging/Quantity: The MIC2550AYML-TR is typically sold in reels containing a quantity of 3000 units per reel.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage Range: 1.2V to VDD - 0.2V
• Quiescent Current: 1.5µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-Low Open-Drain
• Power-On Reset Delay: 100ms (typical)

Pin Configuration

The MIC2550AYML-TR features a 6-pin SOT-23 package with the following pin configuration:

____ NC | | VDD NC | | GND RST | | OUT NC | | NC ----

• VDD: Power supply voltage input
• GND: Ground reference
• RST: Reset output signal
• OUT: Open-drain output for monitoring the power supply voltage
• NC: No connection (unused pins)

Functional Features

1. Power Supply Monitoring: The MIC2550AYML-TR continuously monitors the power supply voltage and generates a reset signal when it falls below the user-defined threshold.
2. Adjustable Threshold Voltage: The reset threshold voltage can be adjusted within a specified range to accommodate different system requirements.
3. Low Quiescent Current: The IC consumes very low quiescent current, making it suitable for battery-powered applications where power efficiency is crucial.
4. Wide Operating Voltage Range: The device operates over a wide voltage range, allowing it to be used in various electronic systems with different power supply voltages.
5. Small Package Size: The compact SOT-23 package enables space-saving integration into small-sized electronic devices.

Advantages and Disadvantages

Advantages: - Reliable power supply monitoring and reset functionality - Adjustable threshold voltage for flexibility - Low power consumption - Wide operating voltage range - Compact package size

Disadvantages: - Limited number of available pins for additional functionalities - Requires external components for proper operation

Working Principles

The MIC2550AYML-TR works by comparing the power supply voltage with the user-adjustable threshold voltage. When the power supply voltage drops below the threshold, the reset output is activated, signaling the microcontroller or other digital devices to reset and restart. This ensures that the system operates reliably even under fluctuating or unstable power conditions.

Detailed Application Field Plans

The MIC2550AYML-TR finds application in various electronic systems where stable power supply monitoring and reset functionality are essential. Some specific application fields include:

1. Microcontrollers and Microprocessors: The IC ensures reliable operation of microcontrollers and microprocessors by providing a reset signal when the power supply voltage falls below a certain threshold.
2. Embedded Systems: It is widely used in embedded systems to monitor power supply voltages and initiate system resets if necessary.
3. Battery-Powered Devices: The low quiescent current consumption makes it suitable for battery-powered devices, such as portable electronics and IoT devices.
4. Automotive Electronics: The IC can be employed in automotive applications to monitor power supply voltages and ensure proper functioning of critical electronic components.

Detailed and Complete Alternative Models

1. MAX809: This voltage supervisor IC offers similar functionality and features, including adjustable threshold voltage and low quiescent current consumption.
2. TL7705: Another alternative with comparable characteristics, the TL7705 provides power supply monitoring and reset functionality in a different package format.
3. ADM6315: This IC is an alternative option that also offers adjustable threshold voltage and low power consumption for power supply monitoring applications.

These alternative models provide similar capabilities and can be considered based on specific requirements and availability.