MAX6837HXSD3+TG11

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Supply Supervisor
• Characteristics: High accuracy, low power consumption
• Package: 16-pin TSSOP
• Essence: Monitors and controls the power supply voltage
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 2µA (typical)
• Reset Threshold Accuracy: ±1.5%
• Watchdog Timer Timeout Period: 1.6s (typical)

Detailed Pin Configuration

The MAX6837HXSD3+TG11 has a total of 16 pins. The pin configuration is as follows:

1. GND: Ground
2. RESET#: Active-low reset output
3. MR#: Manual reset input
4. VCC: Positive supply voltage
5. WDI: Watchdog timer input
6. GND: Ground
7. GND: Ground
8. GND: Ground
9. GND: Ground
10. GND: Ground
11. GND: Ground
12. GND: Ground
13. GND: Ground
14. GND: Ground
15. GND: Ground
16. VCC: Positive supply voltage

Functional Features

• Monitors power supply voltage and generates a reset signal when it falls below a specified threshold.
• Provides manual reset capability through the MR# pin.
• Includes a watchdog timer that resets the system if it does not receive a periodic input signal.

Advantages and Disadvantages

Advantages: - High accuracy in monitoring power supply voltage. - Low power consumption, suitable for battery-powered applications. - Small package size allows for space-saving designs.

Disadvantages: - Limited supply voltage range (1.6V to 5.5V). - Operating temperature range may not be suitable for extreme environments.

Working Principles

The MAX6837HXSD3+TG11 operates by continuously monitoring the power supply voltage. When the voltage falls below a specified threshold, it generates a reset signal to ensure proper system operation. The manual reset input allows for additional control over the reset function. The watchdog timer feature ensures that the system is reset if it does not receive a periodic input signal, preventing potential lock-ups or malfunctions.

Detailed Application Field Plans

The MAX6837HXSD3+TG11 is commonly used in various electronic devices and systems where reliable power supply monitoring is crucial. Some application fields include:

1. Embedded Systems: Used to monitor the power supply voltage in microcontrollers, sensors, and other embedded devices.
2. Industrial Control Systems: Ensures stable operation of control systems in manufacturing plants and machinery.
3. Automotive Electronics: Monitors the power supply voltage in automotive applications, such as engine control units and infotainment systems.
4. Medical Devices: Provides accurate power supply monitoring in medical equipment, ensuring patient safety.
5. Consumer Electronics: Used in portable devices, home appliances, and entertainment systems to maintain stable power supply conditions.

Detailed and Complete Alternative Models

1. MAX6836: Similar power supply supervisor IC with adjustable reset threshold and watchdog timer functionality.
2. MAX6818: Power supply supervisor IC with integrated battery backup switch and watchdog timer.
3. MAX6389: Low-power voltage detector IC with adjustable reset threshold and manual reset input.
4. MAX809: Microprocessor supervisory circuit with fixed reset threshold and watchdog timer.
5. MAX6325: Voltage monitor with adjustable reset threshold and manual reset input.

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

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