PT7C43190WE

Product Overview

Category

PT7C43190WE 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 devices

Package

PT7C43190WE comes in a compact package, suitable for surface mount technology (SMT) assembly.

Essence

The essence of PT7C43190WE lies in its ability to provide accurate 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

• Supply Voltage: 1.8V - 5.5V
• Timekeeping Accuracy: ±2 minutes per month
• Operating Temperature Range: -40°C to +85°C
• Interface: I2C (Inter-Integrated Circuit)
• Clock Frequency: 32.768 kHz

Detailed Pin Configuration

1. VCC: Power supply input
2. GND: Ground connection
3. SDA: I2C data line
4. SCL: I2C clock line
5. SQW/INT: Square wave output / Interrupt output
6. X1: Crystal oscillator input
7. X2: Crystal oscillator output
8. NC: No connection

Functional Features

• Real-time clock with calendar functionality
• Automatic leap year compensation
• Alarm function with programmable interrupt output
• Battery backup for timekeeping during power loss
• Oscillator stop detection and reset output

Advantages

• High accuracy in timekeeping
• Low power consumption extends battery life
• Compact size allows for easy integration into electronic devices
• Wide operating temperature range enables usage in various environments

Disadvantages

• Limited timekeeping accuracy compared to more advanced RTC modules
• Lack of additional features found in higher-end RTC modules

Working Principles

PT7C43190WE utilizes an internal oscillator and a crystal oscillator to generate the clock signal. The I2C interface allows communication with the device, enabling configuration and retrieval of time and date information.

Detailed Application Field Plans

PT7C43190WE finds applications in various electronic devices that require accurate timekeeping and synchronization. Some potential application fields include:

1. Consumer Electronics: Smartphones, tablets, digital cameras
2. Home Automation: Thermostats, security systems, lighting control
3. Industrial Equipment: Data loggers, measurement instruments, automation systems
4. Automotive: Infotainment systems, dashboard displays, navigation systems

Detailed and Complete Alternative Models

1. PT7C4337WE: Similar functionality with enhanced timekeeping accuracy
2. PT7C4363WE: Advanced RTC module with additional features like temperature compensation
3. PT7C4393WE: High-end RTC module with extended operating temperature range and multiple alarm outputs

(Note: These alternative models are provided as examples and may not be an exhaustive list.)

In conclusion, PT7C43190WE is an integrated real-time clock module that offers accurate timekeeping and low power consumption. Its compact size and wide operating temperature range make it suitable for various electronic devices. While it may have limitations in terms of timekeeping accuracy and additional features, it serves as a reliable solution for many applications.