DS2483R+U

Product Overview

• Category: Integrated Circuit
• Use: I2C to 1-Wire Bridge
• Characteristics:
  • Converts I2C communication to 1-Wire protocol
  • Supports multiple 1-Wire devices
  • Low power consumption
  • Small package size
• Package: SOP-8
• Essence: Bridging I2C and 1-Wire protocols
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Supply Voltage: 2.97V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Communication Interface: I2C
• Maximum I2C Bus Speed: 400kHz
• Maximum 1-Wire Speed: 15.4kbps
• Number of Supported 1-Wire Devices: Up to 8

Detailed Pin Configuration

The DS2483R+U has the following pin configuration:

| Pin Name | Description | |----------|-------------| | VDD | Power supply voltage input | | GND | Ground | | SDA | I2C data line | | SCL | I2C clock line | | OW | 1-Wire data line |

Functional Features

• Converts I2C communication to 1-Wire protocol
• Supports multiple 1-Wire devices on a single bus
• Provides strong pull-up for 1-Wire bus
• Supports both standard and overdrive 1-Wire speeds
• Allows software-configurable I2C address

Advantages and Disadvantages

Advantages: - Simplifies interfacing between I2C and 1-Wire devices - Enables easy integration of 1-Wire devices into I2C-based systems - Low power consumption - Small package size

Disadvantages: - Limited to a maximum of 8 supported 1-Wire devices - Requires additional I2C bus for communication

Working Principles

The DS2483R+U acts as a bridge between I2C and 1-Wire protocols. It receives I2C commands from the master device and converts them into corresponding 1-Wire commands. It also provides the necessary pull-up resistor for the 1-Wire bus. The converted commands are then sent to the connected 1-Wire devices.

Detailed Application Field Plans

The DS2483R+U finds applications in various fields, including:

1. Home automation systems: Integrating 1-Wire sensors and devices into an I2C-based home automation network.
2. Industrial control systems: Enabling communication with 1-Wire devices in industrial control systems using I2C buses.
3. Automotive electronics: Bridging I2C and 1-Wire protocols for automotive applications, such as temperature sensing and data logging.

Detailed and Complete Alternative Models

1. DS2482-100: Similar to DS2483R+U but supports up to 100 1-Wire devices.
2. DS2482-800: Supports up to 800 1-Wire devices and offers additional features like programmable I2C address.

Note: These alternative models provide enhanced capabilities compared to the DS2483R+U but may have different pin configurations and package sizes.

In conclusion, the DS2483R+U is an integrated circuit that serves as an I2C to 1-Wire bridge. It allows easy integration of 1-Wire devices into I2C-based systems and finds applications in various fields. While it has limitations in terms of the number of supported 1-Wire devices, it offers advantages such as low power consumption and small package size.