Maxim Integrated
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MAX6834FXRD3+T
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MAX6834FXRD3+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, 3.45V, 4.63V
  • Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms

Detailed Pin Configuration

The MAX6834FXRD3+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 voltage
  5. RESET#: Active-high reset output
  6. NC: No connection

Functional Features

  • Monitors the power supply voltage and generates a reset signal when it falls below the specified threshold
  • Provides manual reset capability through the MR pin
  • Offers both active-low and active-high reset outputs for flexibility in system design
  • Low quiescent current ensures minimal power consumption
  • Small package size allows for space-efficient integration into electronic devices

Advantages and Disadvantages

Advantages: - High accuracy in monitoring power supply voltage - Low power consumption - Small package size for easy integration - Flexible reset options with active-low and active-high outputs

Disadvantages: - Limited reset threshold voltage and timeout period options - No built-in protection features for power supply anomalies

Working Principles

The MAX6834FXRD3+T operates by continuously monitoring the power supply voltage. When the voltage falls below the specified threshold, it generates a reset signal to ensure proper operation of the connected electronic device. The reset signal can be either active-low or active-high, depending on the system requirements. The IC also provides a manual reset input for additional control.

Detailed Application Field Plans

The MAX6834FXRD3+T is commonly used in various electronic devices that require reliable power supply supervision. Some application fields include:

  1. Microcontrollers: Ensures stable operation by monitoring the power supply voltage and initiating a reset if necessary.
  2. Industrial Control Systems: Provides supervision of power supply voltage to prevent malfunctions and ensure system integrity.
  3. Automotive Electronics: Monitors the power supply voltage in automotive applications to prevent damage to sensitive components.
  4. Battery-Powered Devices: Helps optimize battery life by monitoring voltage levels and initiating appropriate actions.

Detailed and Complete Alternative Models

  1. MAX6835FXRD3+T: Similar to MAX6834FXRD3+T but with additional power supply glitch immunity.
  2. MAX6836FXRD3+T: Offers adjustable reset threshold voltage and timeout period options.
  3. MAX6837FXRD3+T: Provides integrated watchdog timer functionality along with power supply supervision.

These alternative models offer similar functionalities with slight variations to cater to specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX6834FXRD3+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX6834FXRD3+T in technical solutions:

  1. Q: What is the MAX6834FXRD3+T? A: The MAX6834FXRD3+T is a voltage supervisor IC designed to monitor the power supply voltage in electronic systems.

  2. Q: What is the operating voltage range of MAX6834FXRD3+T? A: The operating voltage range of MAX6834FXRD3+T is typically between 1.6V and 5.5V.

  3. Q: How does MAX6834FXRD3+T ensure reliable system operation? A: MAX6834FXRD3+T provides a reset signal to the microcontroller or other system components when the power supply voltage falls below a specified threshold, ensuring proper system initialization.

  4. Q: Can I adjust the reset threshold voltage of MAX6834FXRD3+T? A: Yes, the reset threshold voltage can be adjusted using external resistors connected to the VTH pin of the IC.

  5. Q: Does MAX6834FXRD3+T have any built-in delay for the reset signal? A: Yes, MAX6834FXRD3+T has a fixed delay time of approximately 100ms to prevent false resets during power-up transients.

  6. Q: Can MAX6834FXRD3+T monitor multiple power supplies simultaneously? A: Yes, MAX6834FXRD3+T has two independent voltage monitoring inputs (V1 and V2) that can monitor different power supplies.

  7. Q: What is the typical quiescent current consumption of MAX6834FXRD3+T? A: The typical quiescent current consumption of MAX6834FXRD3+T is very low, typically around 5µA.

  8. Q: Is MAX6834FXRD3+T suitable for battery-powered applications? A: Yes, the low quiescent current and wide operating voltage range make MAX6834FXRD3+T suitable for battery-powered applications.

  9. Q: Can I use MAX6834FXRD3+T in automotive applications? A: Yes, MAX6834FXRD3+T is qualified for automotive applications and can operate over a wide temperature range.

  10. Q: What package does MAX6834FXRD3+T come in? A: MAX6834FXRD3+T is available in a small 6-pin SOT23 package, which is commonly used in space-constrained designs.

Please note that these answers are general and may vary depending on the specific requirements and datasheet of the MAX6834FXRD3+T.