Analog Devices Inc.
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ADM1181AANZ
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ADM1181AANZ

Product Overview

Category

ADM1181AANZ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for power supply monitoring and sequencing.

Characteristics

  • Integrated circuit
  • Power supply monitoring and sequencing
  • Small package size
  • Low power consumption

Package

ADM1181AANZ is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of ADM1181AANZ lies in its ability to monitor and sequence power supply in electronic devices efficiently.

Packaging/Quantity

ADM1181AANZ is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Supply Voltage: 2.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Output Current: 50mA
  • Number of Pins: 8
  • Input Voltage Range: 0V to VDD
  • Power-On Reset Timeout: 200ms
  • Watchdog Timer Timeout: 1.6s
  • Power Supply Sequencing Delay: 100ms

Detailed Pin Configuration

  1. GND: Ground pin
  2. RESET: Active-low reset input
  3. WDI: Watchdog input
  4. VDD: Positive power supply voltage
  5. VOUT: Output voltage
  6. EN: Enable input
  7. SEQ: Power supply sequencing output
  8. VSS: Negative power supply voltage

Functional Features

  • Power-on reset generation
  • Watchdog timer functionality
  • Power supply sequencing control
  • Enable/disable functionality
  • Fault detection and reporting

Advantages

  • Efficient power supply monitoring and sequencing
  • Low power consumption
  • Compact package size
  • Wide operating temperature range

Disadvantages

  • Limited output current capacity (50mA)
  • Requires external components for complete functionality
  • Not suitable for high-power applications

Working Principles

ADM1181AANZ operates by monitoring the power supply voltage and generating a reset signal when the voltage falls below a certain threshold. It also includes a watchdog timer that resets the system if it does not receive a periodic input signal. Additionally, the IC provides power supply sequencing control to ensure proper startup and shutdown of multiple power supplies.

Detailed Application Field Plans

ADM1181AANZ finds applications in various electronic devices where power supply monitoring and sequencing are critical. Some specific application fields include:

  1. Embedded systems
  2. Industrial automation
  3. Telecommunications equipment
  4. Medical devices
  5. Automotive electronics

Detailed and Complete Alternative Models

  1. ADM1184AANZ: Similar functionality with enhanced features
  2. ADM1191AANZ: Power supply monitor with additional fault detection capabilities
  3. ADM1176AANZ: Power supply sequencer with higher output current capacity

Please note that the above alternative models are just a few examples, and there are several other alternatives available in the market.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ADM1181AANZ v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ADM1181AANZ in technical solutions:

Q1: What is ADM1181AANZ? A1: ADM1181AANZ is a power supply supervisor and sequencer IC (integrated circuit) used in technical solutions to monitor and control power supply sequencing, voltage levels, and fault detection.

Q2: What are the key features of ADM1181AANZ? A2: The key features of ADM1181AANZ include undervoltage/overvoltage monitoring, power-on reset generation, power supply sequencing, fault detection, and programmable delay timers.

Q3: How does ADM1181AANZ help in power supply sequencing? A3: ADM1181AANZ provides a programmable sequencing capability that ensures proper power-up and power-down sequences for multiple power supplies, preventing potential damage or instability.

Q4: Can ADM1181AANZ detect undervoltage and overvoltage conditions? A4: Yes, ADM1181AANZ can monitor the voltage levels of power supplies and generate an alert or take action when undervoltage or overvoltage conditions occur.

Q5: What is the purpose of the power-on reset feature in ADM1181AANZ? A5: The power-on reset feature generates a reset signal to the system microcontroller or processor during power-up, ensuring a controlled and reliable startup sequence.

Q6: Can ADM1181AANZ detect faults in power supplies? A6: Yes, ADM1181AANZ has built-in fault detection capabilities to monitor power supply outputs and detect faults such as overcurrent, overtemperature, or short circuits.

Q7: Is ADM1181AANZ programmable? A7: Yes, ADM1181AANZ is programmable through its I2C interface, allowing users to configure various parameters such as sequencing order, delay times, and fault detection thresholds.

Q8: What are the typical applications of ADM1181AANZ? A8: ADM1181AANZ is commonly used in applications where multiple power supplies need to be sequenced, monitored, and protected, such as servers, telecom equipment, industrial automation, and medical devices.

Q9: Can ADM1181AANZ operate with different supply voltages? A9: Yes, ADM1181AANZ can operate with a wide range of supply voltages, typically from 2.7V to 5.5V, making it compatible with various system designs.

Q10: Is there any evaluation board or reference design available for ADM1181AANZ? A10: Yes, Analog Devices provides an evaluation board and reference design for ADM1181AANZ, which helps users understand its functionality and facilitates easy integration into their technical solutions.

Please note that these questions and answers are general and may vary depending on specific application requirements and datasheet specifications.