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MAX6837GXSD3+T
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MAX6837GXSD3+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Supply Supervisor
  • Characteristics: High accuracy, low power consumption, small package size
  • Package: 8-pin TDFN (Thin Dual Flat No-Lead) package
  • Essence: Monitors and supervises the voltage levels of a power supply
  • 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 Voltage Options: 1.575V, 2.32V, 2.63V, 4.38V
  • Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
  • Watchdog Timer Timeout Period: 1.12s (typical)

Detailed Pin Configuration

The MAX6837GXSD3+T has the following pin configuration:

  1. GND: Ground connection
  2. RESET#: Active-low reset output
  3. MR#: Manual reset input
  4. VCC: Positive supply voltage
  5. WDI: Watchdog input
  6. CT: Capacitor terminal for watchdog timeout period adjustment
  7. RESET#: Active-low reset output
  8. GND: Ground connection

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 system initialization.
  • Includes a watchdog timer that resets the system if a periodic input signal is not received within a specified timeout period.
  • Offers adjustable reset threshold voltage and timeout period options.
  • Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages: - High accuracy in monitoring power supply voltage - Low power consumption - Small package size for space-constrained applications - Adjustable reset threshold voltage and timeout period options

Disadvantages: - Limited number of reset threshold voltage and timeout period options - Requires an external capacitor for watchdog timeout adjustment

Working Principles

The MAX6837GXSD3+T operates by continuously monitoring the power supply voltage. If the voltage falls below the specified threshold, it generates a reset signal to initiate system reset. The manual reset input allows for system initialization when required. The watchdog timer ensures system integrity by resetting the system if a periodic input signal is not received within the specified timeout period.

Detailed Application Field Plans

The MAX6837GXSD3+T finds applications in various fields, including:

  1. Embedded Systems: Provides reliable power supply supervision in microcontroller-based systems.
  2. Industrial Automation: Ensures proper functioning of control systems by monitoring power supply voltage.
  3. Automotive Electronics: Enhances safety and reliability in automotive electronic systems.
  4. Medical Devices: Monitors power supply integrity in medical equipment for patient safety.
  5. Consumer Electronics: Protects sensitive electronic components from voltage fluctuations.

Detailed and Complete Alternative Models

  1. MAX6836: Similar power supply supervisor IC with adjustable reset threshold voltage and timeout period options.
  2. MAX6818: Power supply supervisor IC with fixed reset threshold voltage and adjustable timeout period.
  3. MAX6389: Voltage monitor IC with fixed reset threshold voltage and timeout period options.
  4. MAX811: Microprocessor supervisory circuit with adjustable reset threshold voltage and fixed timeout period.

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

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10 pirs û bersivên hevpar ên têkildarî sepana MAX6837GXSD3+T di çareseriyên teknîkî de navnîş bikin

Sure! Here are 10 common questions and answers related to the application of MAX6837GXSD3+T in technical solutions:

  1. Q: What is the purpose of MAX6837GXSD3+T? A: MAX6837GXSD3+T is a voltage supervisor and sequencer IC used to monitor and control power supply voltages in electronic systems.

  2. Q: What is the operating voltage range of MAX6837GXSD3+T? A: The operating voltage range of MAX6837GXSD3+T is typically between 1.6V and 5.5V.

  3. Q: How many voltage inputs can MAX6837GXSD3+T monitor? A: MAX6837GXSD3+T can monitor up to 4 voltage inputs simultaneously.

  4. Q: Can MAX6837GXSD3+T generate reset signals for multiple voltage rails? A: Yes, MAX6837GXSD3+T can generate individual reset signals for each monitored voltage rail.

  5. Q: Does MAX6837GXSD3+T support adjustable reset thresholds? A: Yes, MAX6837GXSD3+T allows users to set adjustable reset thresholds for each monitored voltage input.

  6. Q: Can MAX6837GXSD3+T provide power-on reset (POR) functionality? A: Yes, MAX6837GXSD3+T includes power-on reset circuitry to ensure proper system initialization.

  7. Q: Is MAX6837GXSD3+T capable of sequencing power supplies during system startup? A: Yes, MAX6837GXSD3+T supports programmable power supply sequencing to ensure proper power-up and power-down sequences.

  8. Q: What is the maximum delay time that can be programmed for power supply sequencing? A: MAX6837GXSD3+T allows users to program delay times up to 10 seconds for power supply sequencing.

  9. Q: Can MAX6837GXSD3+T generate an early warning signal before a voltage rail falls out of tolerance? A: Yes, MAX6837GXSD3+T can generate an early warning signal (PWROK) to indicate when a voltage rail is about to fall out of tolerance.

  10. Q: What is the package type of MAX6837GXSD3+T? A: MAX6837GXSD3+T is available in a small 10-pin TDFN package, which is suitable for space-constrained applications.

Please note that these answers are general and may vary depending on the specific implementation and configuration of MAX6837GXSD3+T in a technical solution.