PT7C5002LC-2WF

Overview

Category

PT7C5002LC-2WF belongs to the category of integrated real-time clock (RTC) modules.

Use

It is primarily used for providing accurate timekeeping functionality in various electronic devices and systems.

Characteristics

• High precision timekeeping
• Low power consumption
• Small form factor
• Easy integration into existing designs

Package

PT7C5002LC-2WF comes in a compact surface mount package, making it suitable for space-constrained applications.

Essence

The essence of PT7C5002LC-2WF lies in its ability to accurately keep track of time and provide reliable time information to connected devices.

Packaging/Quantity

This module is typically packaged in reels or trays, with quantities varying based on customer requirements.

Specifications and Parameters

• Supply Voltage: 1.8V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Timekeeping Accuracy: ±2 minutes per month at 25°C
• Clock Output Frequency: 32.768 kHz
• Interface: I2C

Pin Configuration

The pin configuration of PT7C5002LC-2WF is as follows:

┌───┬───┐ │ 1 │ 8 │ │ 2 │ 7 │ │ 3 │ 6 │ │ 4 │ 5 │ └───┴───┘

Functional Characteristics

PT7C5002LC-2WF offers the following functional characteristics:

• Real-time clock functionality
• Alarm feature
• Power-fail detection and switch-over circuitry
• Programmable square wave output
• Battery backup support

Advantages and Disadvantages

Advantages

• High accuracy timekeeping
• Low power consumption
• Compact size
• Easy integration

Disadvantages

• Limited temperature range (-40°C to +85°C)
• Relatively low timekeeping accuracy compared to some other RTC modules

Applicable Range of Products

PT7C5002LC-2WF is suitable for a wide range of products that require accurate timekeeping, such as:

• Wearable devices
• Internet of Things (IoT) devices
• Consumer electronics
• Industrial automation systems
• Automotive applications

Working Principles

The working principle of PT7C5002LC-2WF involves the use of an internal oscillator and a counter circuit to accurately measure and keep track of time. It utilizes an I2C interface to communicate with the host device and provide time information.

Detailed Application Field Plans

PT7C5002LC-2WF can be applied in various fields, including:

1. Smartwatches: Providing precise timekeeping functionality for wearable devices.
2. Home automation systems: Synchronizing time across different devices for efficient scheduling and automation.
3. Data loggers: Accurately timestamping recorded data for analysis and monitoring purposes.
4. Automotive dashboards: Displaying accurate time information for drivers and passengers.
5. Industrial control systems: Time synchronization for coordinated operations and event logging.

Detailed Alternative Models

Some alternative models to PT7C5002LC-2WF include:

• DS3231
• PCF8563
• MCP7940N
• RV-8803-C7
• ISL12022M

5 Common Technical Questions and Answers

1. Q: What is the operating voltage range of PT7C5002LC-2WF? A: The module operates within a voltage range of 1.8V to 5.5V.

2. Q: Can PT7C5002LC-2WF operate in extreme temperatures? A: The module is designed to operate within a temperature range of -40°C to +85°C.

3. Q: Does PT7C5002LC-2WF support battery backup? A: Yes, the module has built-in support for battery backup.

4. Q: What is the timekeeping accuracy of PT7C5002LC-2WF? A: The module offers an accuracy of ±2 minutes per month at 25°C.

5. Q: How can I interface with PT7C5002LC-2WF? A: PT7C5002LC-2WF utilizes the I2C interface for communication with the host device.

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