DS17485E-5+ Product Overview

Category

The DS17485E-5+ belongs to the category of electronic integrated circuits.

Use

This product is primarily used for timekeeping and real-time clock applications in various electronic devices.

Characteristics

• Package: The DS17485E-5+ comes in a compact and durable package, ensuring easy integration into electronic systems.
• Essence: This product provides accurate timekeeping functionality with low power consumption.
• Packaging/Quantity: The DS17485E-5+ is typically packaged in reels or tubes, with varying quantities depending on customer requirements.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Timekeeping Accuracy: ±2 minutes per month at 25°C
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial I2C bus

Detailed Pin Configuration

The DS17485E-5+ features the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VCC | Power supply voltage 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

• Real-Time Clock (RTC): The DS17485E-5+ provides accurate timekeeping capabilities, including hours, minutes, seconds, day, date, month, and year.
• Alarm Functionality: It supports programmable alarms for specific time events.
• Battery Backup: The product includes a backup battery input to ensure continuous operation during power loss.
• Power Management: The DS17485E-5+ features low power consumption, extending battery life.

Advantages and Disadvantages

Advantages: - Accurate timekeeping with low power consumption. - Compact and durable package for easy integration. - Programmable alarms for enhanced functionality.

Disadvantages: - Limited temperature range (-40°C to +85°C). - Requires an external backup battery for uninterrupted operation during power loss.

Working Principles

The DS17485E-5+ utilizes a quartz crystal oscillator to generate precise clock signals. It incorporates internal registers to store time and date information. The device communicates with the host system through the I2C bus, enabling seamless integration into various electronic applications.

Detailed Application Field Plans

The DS17485E-5+ finds applications in a wide range of electronic devices, including: 1. Consumer Electronics: Digital cameras, portable media players, and smartwatches. 2. Industrial Equipment: Data loggers, automation systems, and control panels. 3. Automotive Systems: On-board computers, infotainment systems, and navigation units.

Detailed and Complete Alternative Models

1. DS3231: A highly accurate real-time clock module with integrated temperature compensation.
2. PCF8563: An I2C-bus real-time clock/calendar with alarm functionality.
3. MCP7940N: A low-power real-time clock/calendar with battery backup and I2C interface.

Note: This is not an exhaustive list; there are several alternative models available in the market.

In conclusion, the DS17485E-5+ is a reliable and efficient real-time clock integrated circuit that offers accurate timekeeping capabilities. With its compact package and low power consumption, it is suitable for various electronic applications across different industries.