MCP79511-I/MS

Product Overview

Category

The MCP79511-I/MS belongs to the category of Real-Time Clocks (RTCs).

Use

This product is primarily used for timekeeping and timestamping applications.

Characteristics

• Low power consumption
• High accuracy
• Integrated oscillator compensation
• Battery backup support
• I2C interface

Package

The MCP79511-I/MS comes in a small MSOP package, which ensures ease of integration into various electronic devices.

Essence

The essence of this product lies in its ability to provide accurate timekeeping functionality with minimal power consumption.

Packaging/Quantity

The MCP79511-I/MS is typically packaged in reels containing 2500 units per reel.

Specifications

• Supply Voltage: 1.8V to 5.5V
• Timekeeping Accuracy: ±1 minute per month
• Operating Temperature Range: -40°C to +85°C
• I2C Bus Frequency: Up to 400 kHz
• Battery Backup Voltage: 1.3V to 5.5V

Detailed Pin Configuration

The MCP79511-I/MS has a total of 8 pins, each serving a specific purpose:

1. VSS: Ground connection.
2. VBAT: Battery backup voltage input.
3. SDA: Serial Data Line for I2C communication.
4. SCL: Serial Clock Line for I2C communication.
5. SQW/INT: Square Wave Output or Interrupt output pin.
6. VDD: Power supply voltage input.
7. X1: Crystal oscillator input.
8. X2: Crystal oscillator output.

Functional Features

• Real-time clock with calendar functionality
• Alarm and timer functions
• Battery backup support for uninterrupted timekeeping
• Oscillator compensation for enhanced accuracy
• Programmable square wave output
• Interrupt output for event-driven applications

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life.
• High accuracy ensures precise timekeeping.
• Integrated oscillator compensation eliminates the need for external components.
• Small package size allows for easy integration into compact designs.

Disadvantages

• Limited memory capacity for storing additional data.
• Lack of advanced features compared to more sophisticated RTCs.
• Relatively higher cost compared to basic RTC modules.

Working Principles

The MCP79511-I/MS utilizes an internal oscillator and a crystal to generate accurate timekeeping signals. It communicates with the host microcontroller through the I2C interface, allowing for easy integration into various systems. The battery backup support ensures uninterrupted operation even during power outages.

Detailed Application Field Plans

The MCP79511-I/MS finds applications in various fields, including:

1. Consumer Electronics: Used in digital clocks, home appliances, and wearable devices.
2. Industrial Automation: Employed in programmable logic controllers (PLCs) and industrial timers.
3. Automotive: Integrated into car infotainment systems and dashboard displays.
4. Medical Devices: Utilized in patient monitoring systems and medical equipment with time-sensitive operations.

Detailed and Complete Alternative Models

1. DS1307 - Real-Time Clock IC by Maxim Integrated.
2. PCF8563 - CMOS Real-Time Clock and Calendar by NXP Semiconductors.
3. DS3231 - Extremely Accurate I2C-Integrated RTC by Maxim Integrated.
4. RV-8803-C7 - Ultra-Low Power I2C-Bus RTC Module by Micro Crystal AG.

These alternative models offer similar functionality and can be considered as alternatives to the MCP79511-I/MS.

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