MAX6837GXSD2+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Supply Supervisor
• Characteristics: High accuracy, low power consumption, small package size
• Package: 10-pin TDFN (Thin Dual Flat No-Lead) package
• Essence: Monitors and controls the power supply voltage to ensure proper operation of electronic devices
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Input Voltage Range: 1.6V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 3µA (typical)
• Reset Threshold Accuracy: ±1.5%
• Watchdog Timer Timeout Period: 1.6s (typical)

Detailed Pin Configuration

The MAX6837GXSD2+T has the following pin configuration:

1. GND: Ground connection
2. RESET#: Active-low reset output
3. MR#: Manual reset input
4. VCC: Positive power supply input
5. WDI: Watchdog timer input
6. NC: No connect
7. NC: No connect
8. NC: No connect
9. NC: No connect
10. NC: No connect

Functional Features

• Monitors the power supply voltage and generates a reset signal when it falls below a specified threshold.
• Provides a manual reset input for external control of the reset function.
• Includes a watchdog timer that resets the system if it does not receive a periodic input within a specified timeout period.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages: - High accuracy in monitoring power supply voltage. - Low power consumption extends battery life. - Small package size saves board space. - Wide input voltage range allows for versatile applications.

Disadvantages: - Limited number of pins may restrict functionality in complex systems. - Lack of adjustable reset threshold may not suit all applications.

Working Principles

The MAX6837GXSD2+T operates by continuously monitoring the power supply voltage. If the voltage falls below the specified threshold, it generates a reset signal to ensure proper system operation. The manual reset input allows external control over the reset function. Additionally, the watchdog timer feature resets the system if it does not receive a periodic input within the timeout period.

Detailed Application Field Plans

The MAX6837GXSD2+T is commonly used in various electronic devices that require reliable power supply supervision. Some application fields include:

1. Battery-powered devices: Ensures proper operation and prevents damage due to low battery voltage.
2. Microcontrollers and microprocessors: Protects against voltage fluctuations and ensures stable operation.
3. Industrial automation systems: Monitors power supply integrity to prevent system failures.
4. Automotive electronics: Provides voltage supervision for critical components, enhancing safety and reliability.
5. Medical equipment: Ensures uninterrupted operation and patient safety by monitoring power supply voltage.

Detailed and Complete Alternative Models

1. MAX6836: Similar power supply supervisor IC with adjustable reset threshold.
2. MAX6838: Power supply supervisor IC with additional features like power-on reset delay and adjustable watchdog timeout.
3. MAX6389: Voltage monitor IC with integrated power-on reset and watchdog timer.
4. MAX809: Microprocessor supervisory circuit with manual reset input and adjustable reset threshold.

(Note: This list is not exhaustive and there are several other alternative models available in the market.)

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