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MCP79412-I/MS
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MCP79412-I/MS

Product Overview

Category

The MCP79412-I/MS belongs to the category of real-time clock (RTC) ICs.

Use

It is used to keep track of time and date information in various electronic devices.

Characteristics

  • Low power consumption
  • Battery backup for continuous timekeeping
  • I2C interface for communication
  • Alarm functions
  • Programmable square-wave output

Package

The MCP79412-I/MS is available in a 8-pin MSOP package.

Essence

This RTC IC provides accurate timekeeping functionality with low power consumption, making it suitable for battery-powered devices.

Packaging/Quantity

The MCP79412-I/MS is typically sold in reels containing a specific quantity, as per the manufacturer's specifications.

Specifications

  • Supply Voltage: 1.8V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Clock Accuracy: ±20 ppm
  • Battery Backup Voltage: 1.3V to 5.5V
  • I2C Address: Selectable

Detailed Pin Configuration

  1. VBAT - Battery Input
  2. SDA - I2C Data
  3. SCL - I2C Clock
  4. SQW/INT - Square Wave Output/Interrupt Output
  5. GND - Ground
  6. VSS - Ground
  7. VDD - Power Supply
  8. X1 - Crystal Connection

Functional Features

  • Time and Date Keeping
  • Alarms
  • Timer
  • Battery Switchover
  • Power Failure Detection

Advantages

  • Low power consumption extends battery life
  • Small form factor
  • I2C interface allows easy integration with microcontrollers
  • Accurate timekeeping

Disadvantages

  • Limited clock accuracy compared to some high-precision RTCs
  • Requires an external crystal for timekeeping

Working Principles

The MCP79412-I/MS utilizes an internal oscillator and supports an external crystal for timekeeping. It maintains time and date information even when the main power source is disconnected, thanks to its battery backup feature. The I2C interface enables communication with a microcontroller for setting and retrieving time-related data.

Detailed Application Field Plans

The MCP79412-I/MS is commonly used in applications such as: - Wearable devices - IoT devices - Consumer electronics - Medical devices - Industrial automation

Detailed and Complete Alternative Models

Some alternative models to the MCP79412-I/MS include: - DS3231 - A highly accurate RTC with integrated temperature compensation - PCF85263A - Ultra-low power RTC with alarm and timer functions - RV-1805-C3 - Real-time clock module with I2C interface and temperature sensor

In conclusion, the MCP79412-I/MS offers reliable timekeeping functionality with low power consumption, making it suitable for a wide range of electronic devices.

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Énumérez 10 questions et réponses courantes liées à l'application de MCP79412-I/MS dans les solutions techniques

  1. What is the operating voltage range of MCP79412-I/MS?
    - The operating voltage range of MCP79412-I/MS is 1.8V to 5.5V.

  2. Can MCP79412-I/MS be used for real-time clock (RTC) applications?
    - Yes, MCP79412-I/MS is designed for real-time clock (RTC) applications.

  3. What is the typical timekeeping accuracy of MCP79412-I/MS?
    - The typical timekeeping accuracy of MCP79412-I/MS is ±20 ppm.

  4. Does MCP79412-I/MS have battery backup for timekeeping?
    - Yes, MCP79412-I/MS has a battery backup for timekeeping.

  5. What is the communication interface supported by MCP79412-I/MS?
    - MCP79412-I/MS supports I2C communication interface.

  6. Can MCP79412-I/MS operate in temperature extremes?
    - Yes, MCP79412-I/MS can operate in temperature extremes from -40°C to +85°C.

  7. Is MCP79412-I/MS compatible with low-power applications?
    - Yes, MCP79412-I/MS is compatible with low-power applications and has a low standby current consumption.

  8. What is the available memory size in MCP79412-I/MS?
    - MCP79412-I/MS has 64 bytes of SRAM for general-purpose data storage.

  9. Can MCP79412-I/MS generate alarms and timer events?
    - Yes, MCP79412-I/MS can generate alarms and timer events with programmable settings.

  10. Is MCP79412-I/MS RoHS compliant?
    - Yes, MCP79412-I/MS is RoHS compliant, meeting environmental standards.