PCA2125TS/1,112

Product Overview

Category

The PCA2125TS/1,112 belongs to the category of integrated real-time clock (RTC) modules.

Use

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

Characteristics

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

Package

The PCA2125TS/1,112 is available in a compact surface-mount package.

Essence

The essence of this product lies in its ability to provide precise timekeeping functionality in electronic devices.

Packaging/Quantity

The PCA2125TS/1,112 is typically packaged in reels or trays and is available in varying quantities depending on customer requirements.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Timekeeping Accuracy: ±3 minutes per year
• Operating Temperature Range: -40°C to +85°C
• Interface: I2C
• Clock Frequency: 32.768 kHz
• Backup Battery Voltage: 1.8V to 5.5V

Detailed Pin Configuration

The PCA2125TS/1,112 features the following pin configuration:

| Pin Name | Description | |----------|-------------| | VCC | Power supply voltage input | | GND | Ground connection | | SDA | Serial data line for I2C communication | | SCL | Serial clock line for I2C communication | | INT/SQW | Interrupt output or square wave output selection |

Functional Features

• Real-time clock with calendar functionality
• Alarm and timer functions
• Programmable square wave output
• Automatic leap year compensation
• Power-fail detection and switch-over circuitry

Advantages and Disadvantages

Advantages

• High accuracy timekeeping
• Low power consumption
• Compact size for easy integration
• Versatile functionality with alarm and timer features

Disadvantages

• Limited temperature range for operation (-40°C to +85°C)
• Requires an external backup battery for maintaining time during power loss

Working Principles

The PCA2125TS/1,112 utilizes a quartz crystal oscillator to generate a precise 32.768 kHz clock signal. This clock signal is used to maintain accurate timekeeping within the module. The integrated circuit also includes various features such as alarm and timer functions, power-fail detection, and leap year compensation.

Detailed Application Field Plans

The PCA2125TS/1,112 finds applications in a wide range of electronic devices that require accurate timekeeping. Some potential application fields include:

1. Consumer electronics: Smartphones, tablets, digital cameras
2. Automotive: Car infotainment systems, dashboard clocks
3. Industrial automation: Programmable logic controllers (PLCs), industrial timers
4. Medical devices: Patient monitoring systems, medical equipment with scheduling capabilities
5. Home automation: Smart thermostats, security systems with timed functions

Detailed and Complete Alternative Models

1. PCA8565TS/1,112: Similar real-time clock module with extended temperature range (-40°C to +105°C).
2. DS3231SN+: Real-time clock module with higher timekeeping accuracy (±2 minutes per year) and temperature-compensated crystal oscillator.
3. MCP79410-I/SN: Integrated RTC module with battery-backed SRAM and additional non-volatile memory.

In conclusion, the PCA2125TS/1,112 is a compact and efficient integrated real-time clock module that offers accurate timekeeping and versatile functionality. Its low power consumption and small form factor make it suitable for various electronic devices across different industries.