DS2483Q+U

Product Overview

• Category: Integrated Circuit
• Use: I2C to 1-Wire Bridge
• Characteristics: High-speed I2C-to-1-Wire bridge, small package size, low power consumption
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: The DS2483Q+U is a versatile integrated circuit that acts as a bridge between I2C and 1-Wire communication protocols.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

The DS2483Q+U has the following specifications:

• Supply Voltage: 2.3V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• I2C Bus Speed: Up to 400kHz
• 1-Wire Data Rate: Standard Speed (15.4kbps), Overdrive Speed (125kbps)
• 1-Wire Slave Address: Configurable through I2C interface

Pin Configuration

The DS2483Q+U features an 8-pin SOIC package with the following pin configuration:

1. VDD - Power supply voltage
2. GND - Ground reference
3. SDA - I2C serial data line
4. SCL - I2C serial clock line
5. OWZ - 1-Wire data line
6. AD0 - I2C address bit 0
7. AD1 - I2C address bit 1
8. AD2 - I2C address bit 2

Functional Features

The DS2483Q+U offers the following functional features:

• I2C to 1-Wire Conversion: Enables communication between I2C master devices and 1-Wire slave devices.
• Flexible I2C Addressing: Configurable I2C address allows multiple DS2483Q+U devices to coexist on the same bus.
• Overdrive Speed Support: Supports high-speed communication with 1-Wire devices operating at 125kbps.
• Strong Pullup Control: Provides programmable strong pullup current for powering 1-Wire devices.
• Reset and Presence Detection: Allows detection of presence and reset signaling on the 1-Wire bus.

Advantages and Disadvantages

Advantages: - Enables easy integration of 1-Wire devices into I2C-based systems. - Small package size allows for space-constrained applications. - Low power consumption minimizes energy usage.

Disadvantages: - Limited to I2C and 1-Wire protocols, may not be suitable for other communication interfaces. - Requires additional components (such as pull-up resistors) for proper operation.

Working Principles

The DS2483Q+U acts as a bridge between I2C and 1-Wire communication protocols. It receives commands from an I2C master device and translates them into corresponding 1-Wire signals. The device also handles the timing requirements of the 1-Wire protocol, ensuring reliable communication with connected 1-Wire slave devices.

Application Field Plans

The DS2483Q+U finds applications in various fields, including:

1. Industrial Automation: Integration of 1-Wire sensors and devices into industrial control systems.
2. Home Automation: Connecting 1-Wire devices for temperature monitoring, lighting control, and security systems.
3. Automotive: Communication with 1-Wire devices in automotive applications, such as vehicle diagnostics and monitoring.

Alternative Models

Here are some alternative models that provide similar functionality to the DS2483Q+U:

1. DS2482-100: Similar I2C to 1-Wire bridge with a different package and pin configuration.
2. DS2482S-100: Smaller package size variant of the DS2482-100, suitable for space-constrained applications.
3. DS2484: I2C to 1-Wire bridge with additional features like EEPROM memory and GPIO pins.

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