MAX6314US26D2+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, reset generation
• Package: SOT23-5
• Essence: Provides accurate monitoring and reset functionality for microcontrollers and other digital systems
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V
• Reset Timeout Period Options: 140ms, 280ms, 560ms, 1120ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6314US26D2+T IC has the following pin configuration:

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

Functional Features

• Accurate voltage monitoring: The MAX6314US26D2+T provides precise monitoring of the supply voltage, ensuring reliable operation of the connected microcontroller or digital system.
• Reset generation: It generates an active-low reset signal when the supply voltage falls below the specified threshold, allowing the system to reset and start in a known state.
• Manual reset capability: The MR pin allows for manual reset, enabling external control over the reset function.
• Adjustable reset timeout period: The IC offers multiple options for the reset timeout period, allowing customization based on specific system requirements.

Advantages and Disadvantages

Advantages: - Low-power consumption - High accuracy in voltage monitoring - Small package size for space-constrained applications - Manual reset capability provides flexibility

Disadvantages: - Limited number of available threshold voltage and timeout period options - Not suitable for high-voltage applications (above 5.5V)

Working Principles

The MAX6314US26D2+T operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage falls below the specified threshold, the IC asserts the active-low RESET signal, indicating a power failure or voltage drop. The RESET signal remains low until the supply voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The MAX6314US26D2+T is commonly used in various applications, including:

1. Microcontroller Systems: Provides reliable reset functionality to ensure proper initialization of microcontrollers upon power-up or voltage fluctuations.
2. Industrial Control Systems: Monitors the supply voltage in industrial control systems, triggering a reset when necessary to maintain system integrity.
3. Embedded Systems: Ensures stable operation of embedded systems by monitoring the supply voltage and initiating a reset if required.
4. Battery-Powered Devices: Protects battery-powered devices from operating at low voltages, preventing potential data corruption or system malfunctions.

Detailed and Complete Alternative Models

1. MAX6316MUK46AY+T: Similar voltage monitor and reset circuit with adjustable threshold voltage and timeout period options.
2. MAX6389XS23D3+T: Voltage monitor and reset circuit with higher supply voltage range and additional features like watchdog timer and power-fail detection.
3. MAX811SEUS-T: Simple voltage monitor and reset circuit with fixed threshold voltage and timeout period, suitable for cost-sensitive applications.

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