PT7C5027KC3-2DE

Overview

Category

PT7C5027KC3-2DE belongs to the category of integrated real-time clock (RTC) modules.

Use

This product is primarily used for timekeeping and synchronization purposes in various electronic devices.

Characteristics

• Integrated real-time clock module
• Accurate timekeeping
• Low power consumption
• Small form factor
• Easy integration into electronic systems

Package

PT7C5027KC3-2DE is available in a compact surface-mount package, making it suitable for space-constrained applications.

Essence

The essence of PT7C5027KC3-2DE lies in its ability to provide accurate and reliable timekeeping functionality in electronic devices.

Packaging/Quantity

This product is typically packaged in reels or trays, with a quantity of 1000 units per reel/tray.

Specifications and Parameters

• Operating voltage: 1.8V to 5.5V
• Timekeeping accuracy: ±2 minutes per month
• Operating temperature range: -40°C to +85°C
• Supply current: 200nA (typical)
• Backup battery voltage: 2.0V to 5.5V

Pin Configuration

The pin configuration of PT7C5027KC3-2DE is as follows:

| Pin Name | Description | |----------|-------------| | VCC | Power supply input | | GND | Ground | | SDA | Serial data line | | SCL | Serial clock line | | SQW/INT | Square wave output / Interrupt output | | VBAT | Backup battery input |

Functional Characteristics

PT7C5027KC3-2DE offers the following functional characteristics:

• Real-time clock with calendar functionality
• Programmable alarm and interrupt features
• Battery backup for timekeeping during power loss
• I2C interface for communication with the host system
• Square wave output for clock synchronization

Advantages and Disadvantages

Advantages

• Accurate timekeeping
• Low power consumption
• Small form factor
• Easy integration into electronic systems

Disadvantages

• Limited operating temperature range (-40°C to +85°C)
• Requires an external backup battery for uninterrupted timekeeping during power loss

Applicable Range of Products

PT7C5027KC3-2DE is suitable for a wide range of electronic devices that require precise timekeeping and synchronization, such as:

• Smartphones
• Tablets
• Wearable devices
• Industrial automation systems
• Automotive electronics
• Consumer electronics

Working Principles

PT7C5027KC3-2DE utilizes an internal quartz crystal oscillator to generate accurate timekeeping signals. It communicates with the host system through the I2C interface, allowing the system to set and retrieve time and date information. The backup battery ensures uninterrupted timekeeping even during power loss.

Detailed Application Field Plans

PT7C5027KC3-2DE can be applied in various fields, including:

1. Mobile devices: Provides accurate timekeeping for scheduling, alarms, and event tracking.
2. Industrial automation: Synchronizes time across multiple devices for precise coordination.
3. Automotive electronics: Enables accurate timekeeping for vehicle systems and functions.
4. Medical devices: Facilitates time-sensitive operations and data logging.
5. IoT devices: Ensures synchronized time for seamless communication and data exchange.

Detailed Alternative Models

Some alternative models to PT7C5027KC3-2DE include:

• DS3231
• PCF8563
• MCP7940N
• RV-3028-C7
• ISL12022M

5 Common Technical Questions and Answers

1. Q: What is the operating voltage range of PT7C5027KC3-2DE? A: The operating voltage range is 1.8V to 5.5V.

2. Q: Can PT7C5027KC3-2DE operate in extreme temperatures? A: No, it has a limited operating temperature range of -40°C to +85°C.

3. Q: Does PT7C5027KC3-2DE require an external backup battery? A: Yes, it requires an external backup battery for uninterrupted timekeeping during power loss.

4. Q: What interface does PT7C5027KC3-2DE use for communication with the host system? A: It uses the I2C interface for communication.

5. Q: What is the timekeeping accuracy of PT7C5027KC3-2DE? A: The timekeeping accuracy is ±2 minutes per month.

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