MAX6837FXSD1+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Supply Supervisor
• Characteristics: High accuracy, low power consumption, small package size
• Package: 6-pin SOT23
• Essence: Monitors and controls the power supply voltage to ensure proper operation of electronic devices
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 2µA (typical)
• Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V
• Reset Timeout Period Options: 140ms, 560ms, 1120ms

Detailed Pin Configuration

1. GND: Ground connection
2. RESET: Active-low reset output
3. MR: Manual reset input
4. VCC: Positive supply voltage
5. RESET#: Active-high reset output
6. NC: No connection

Functional Features

• Accurate Voltage Monitoring: The MAX6837FXSD1+T monitors the power supply voltage and provides a reset signal when it falls below a specified threshold.
• Manual Reset Input: The MR pin allows for manual resetting of the device.
• Dual Reset Outputs: The IC provides both active-low (RESET) and active-high (RESET#) reset outputs for flexibility in system design.
• Adjustable Reset Threshold and Timeout: The reset threshold voltage and timeout period can be configured using external resistors and capacitors.

Advantages and Disadvantages

Advantages: - High accuracy in voltage monitoring - Low power consumption - Small package size for space-constrained applications - Dual reset outputs provide design flexibility

Disadvantages: - Limited reset threshold voltage and timeout period options - Requires external components for configuration

Working Principles

The MAX6837FXSD1+T operates by continuously monitoring the power supply voltage. When the voltage falls below the set threshold, the IC asserts the reset signal to ensure proper system operation. The reset signal remains active until the voltage rises above the threshold or a timeout period elapses. The device can be manually reset using the MR pin.

Detailed Application Field Plans

The MAX6837FXSD1+T is commonly used in various electronic devices that require reliable power supply supervision. Some application fields include:

1. Microcontrollers: Ensuring stable power supply for microcontrollers to prevent data corruption during voltage fluctuations.
2. Industrial Control Systems: Monitoring power supply integrity in industrial control systems to prevent equipment malfunction.
3. Automotive Electronics: Providing voltage supervision in automotive electronics to protect sensitive components from voltage variations.
4. Medical Devices: Ensuring continuous and reliable power supply in medical devices for patient safety.
5. Consumer Electronics: Power supply monitoring in consumer electronics such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

1. MAX6836FXSD1+T: Similar to MAX6837FXSD1+T but with different reset threshold voltage and timeout period options.
2. MAX6838FXSD1+T: Higher accuracy power supply supervisor with additional features like watchdog timer and adjustable reset delay.
3. MAX6839FXSD1+T: Power supply supervisor with extended temperature range and enhanced ESD protection.

These alternative models offer similar functionality to the MAX6837FXSD1+T but may have different specifications and features to suit specific application requirements.

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