Maxim Integrated
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DS1832S+T&R
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DS1832S+T&R

Product Overview

  • Category: Integrated Circuits
  • Use: Voltage Supervisor
  • Characteristics: Low-power, Precision Monitoring, Programmable Delay
  • Package: Surface Mount
  • Essence: Supervises Power Supply Voltage Levels
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.8V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V, or Adjustable
  • Reset Timeout Period Options: 140ms, 450ms, 900ms, or Adjustable
  • Quiescent Current: 10µA (typical)
  • Active Current: 20µA (typical)

Detailed Pin Configuration

The DS1832S+T&R has the following pin configuration:

  1. GND: Ground
  2. RESET: Active-Low Reset Output
  3. VCC: Supply Voltage Input
  4. MR: Manual Reset Input
  5. ADJ: Adjustable Reset Threshold Input

Functional Features

  • Monitors power supply voltage levels
  • Generates a reset signal when voltage falls below the threshold
  • Programmable delay for reset signal assertion
  • Manual reset option
  • Adjustable reset threshold option

Advantages and Disadvantages

Advantages: - Low-power consumption - Precision monitoring of voltage levels - Programmable delay for flexibility - Adjustable reset threshold for customization

Disadvantages: - Limited number of reset timeout period options - Lack of built-in hysteresis

Working Principles

The DS1832S+T&R operates by continuously monitoring the power supply voltage. When the voltage falls below the programmed threshold, it generates a reset signal. The reset signal remains active for the programmed timeout period or until the voltage rises above the threshold. The device also provides an adjustable reset threshold option, allowing customization based on specific requirements.

Detailed Application Field Plans

The DS1832S+T&R is commonly used in various applications where reliable power supply monitoring is crucial. Some of the detailed application field plans include:

  1. Embedded Systems: Ensuring stable operation by monitoring power supply voltage levels.
  2. Industrial Control Systems: Preventing malfunctions and ensuring safe operation by detecting voltage drops.
  3. Automotive Electronics: Protecting sensitive components from voltage fluctuations and ensuring proper functioning.
  4. Medical Devices: Monitoring power supply integrity to prevent critical failures.
  5. Consumer Electronics: Enhancing system reliability by providing accurate voltage supervision.

Detailed and Complete Alternative Models

  1. DS1831: Similar functionality with fixed reset threshold options.
  2. MAX823: Voltage supervisor with adjustable reset threshold and built-in hysteresis.
  3. TPS3808: Precision voltage monitor with adjustable reset threshold and programmable delay.

These alternative models offer similar features and can be considered based on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací DS1832S+T&R v technických řešeních

Sure! Here are 10 common questions and answers related to the application of DS1832S+T&R in technical solutions:

  1. Question: What is DS1832S+T&R?
    Answer: DS1832S+T&R is a specific model of the DS1832 series, which is a low-power microcontroller supervisory circuit.

  2. Question: What is the purpose of DS1832S+T&R in technical solutions?
    Answer: DS1832S+T&R is used to monitor the power supply voltage of a microcontroller or other digital systems and provide reset signals during power-up, power-down, and brownout conditions.

  3. Question: How does DS1832S+T&R detect power supply voltage levels?
    Answer: DS1832S+T&R uses an internal voltage reference and comparator to monitor the power supply voltage.

  4. Question: Can DS1832S+T&R be used with different microcontrollers?
    Answer: Yes, DS1832S+T&R can be used with a wide range of microcontrollers and other digital systems that require power supply monitoring.

  5. Question: What is the operating voltage range of DS1832S+T&R?
    Answer: DS1832S+T&R operates within a voltage range of 2.7V to 5.5V.

  6. Question: Does DS1832S+T&R have any programmable features?
    Answer: Yes, DS1832S+T&R has programmable options such as reset threshold voltage, reset timeout period, and watchdog timer enable/disable.

  7. Question: Can DS1832S+T&R generate a reset signal when the power supply voltage drops below a certain threshold?
    Answer: Yes, DS1832S+T&R can be configured to generate a reset signal when the power supply voltage falls below the programmed threshold.

  8. Question: What is the purpose of the watchdog timer in DS1832S+T&R?
    Answer: The watchdog timer in DS1832S+T&R can be used to monitor the activity of the microcontroller and generate a reset signal if it becomes unresponsive.

  9. Question: Can DS1832S+T&R be used in battery-powered applications?
    Answer: Yes, DS1832S+T&R is designed for low-power applications and can be used in battery-powered systems.

  10. Question: Are there any specific precautions to consider when using DS1832S+T&R?
    Answer: It is important to ensure proper decoupling and filtering of the power supply to minimize noise and voltage spikes that could affect the operation of DS1832S+T&R. Additionally, the datasheet should be consulted for detailed application guidelines and recommendations.

Please note that these questions and answers are general and may vary depending on the specific requirements and implementation of DS1832S+T&R in different technical solutions.