DS17285-5

Product Overview

Category: Integrated Circuit (IC)

Use: The DS17285-5 is a versatile integrated circuit primarily used for timekeeping and real-time clock (RTC) applications. It provides accurate timekeeping functionality along with various features to support time-related operations.

Characteristics: - High precision timekeeping - Low power consumption - Small form factor - Wide operating temperature range - Reliable performance

Package: The DS17285-5 is available in a compact and durable package, ensuring easy integration into electronic devices. The package offers protection against environmental factors such as moisture and dust, enhancing the longevity of the IC.

Essence: The essence of DS17285-5 lies in its ability to accurately keep track of time and provide reliable timekeeping functionality for a wide range of applications.

Packaging/Quantity: The DS17285-5 is typically packaged in reels or tubes, depending on the manufacturer's specifications. The quantity per package may vary, but it is commonly available in quantities suitable for both prototyping and mass production.

Specifications

The DS17285-5 boasts the following specifications:

• Timekeeping Accuracy: ±2 minutes per year
• Operating Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Clock Frequency: 32.768 kHz
• Battery Backup Support: Yes
• I2C Interface: Yes

Detailed Pin Configuration

The DS17285-5 features a pin configuration that facilitates easy integration into electronic circuits. The detailed pin configuration is as follows:

1. VCC: Power supply input
2. GND: Ground connection
3. SDA: Serial Data Line for I2C communication
4. SCL: Serial Clock Line for I2C communication
5. SQW/OUT: Square Wave Output or Interrupt Output
6. RST: Reset Input

Functional Features

The DS17285-5 offers several functional features, including:

1. Real-Time Clock: Accurate timekeeping with support for hours, minutes, seconds, and date.
2. Alarm Functionality: Configurable alarms to trigger specific actions at predefined times.
3. Battery Backup: Integrated battery backup support ensures uninterrupted timekeeping during power outages.
4. Oscillator Calibration: Automatic calibration to maintain accurate timekeeping over extended periods.
5. Power Management: Low power consumption design extends battery life in portable applications.

Advantages and Disadvantages

Advantages: - High precision timekeeping ensures accurate synchronization. - Wide operating temperature range allows usage in various environments. - Battery backup support ensures uninterrupted timekeeping. - Compact form factor enables integration into space-constrained designs. - Low power consumption enhances energy efficiency.

Disadvantages: - Limited memory capacity for additional data storage. - Lack of advanced features compared to more specialized RTC ICs. - Reliance on external microcontroller for full functionality.

Working Principles

The DS17285-5 operates based on the principles of an internal oscillator combined with a real-time clock circuit. The internal oscillator generates a precise 32.768 kHz clock signal, which serves as the basis for timekeeping. The real-time clock circuit utilizes this clock signal to accurately measure time and provide various time-related functionalities.

Detailed Application Field Plans

The DS17285-5 finds applications in various fields, including but not limited to:

1. Consumer Electronics: Timekeeping functionality in digital watches, clocks, and home appliances.
2. Industrial Automation: Synchronization and scheduling in industrial control systems.
3. Automotive: Real-time clock functionality in vehicle dashboard displays and infotainment systems.
4. Medical Devices: Time synchronization in medical equipment and patient monitoring systems.
5. Internet of Things (IoT): Timekeeping and synchronization in IoT devices and smart home automation.

Detailed and Complete Alternative Models

1. DS3231: A more advanced RTC IC with additional memory and temperature compensation features.
2. PCF8563: An alternative RTC IC with similar functionality but different pin configuration.
3. MCP7940N: Another option offering extended memory capacity and battery-backed SRAM.

These alternative models provide varying features and specifications, allowing users to choose the most suitable RTC IC for their specific requirements.

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