DS2480B+T&R

Product Overview

• Category: Integrated Circuit
• Use: Communication Interface
• Characteristics: High-Speed, 1-Wire Bus Driver
• Package: T&R (Tape and Reel)
• Essence: The DS2480B+T&R is a communication interface IC designed to drive and receive signals on a 1-Wire bus. It enables communication between a microcontroller and devices connected to the 1-Wire bus.
• Packaging/Quantity: The DS2480B+T&R is available in a tape and reel package, with a specified quantity per reel.

Specifications

The DS2480B+T&R has the following specifications:

• Supply Voltage: 3.0V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Maximum Data Rate: 100kbps
• Supports 1-Wire Protocol Version 1.0 and 2.0
• Low Power Consumption: 1mA (typical)

Detailed Pin Configuration

The DS2480B+T&R has the following pin configuration:

1. VCC: Supply Voltage
2. GND: Ground
3. DQ: 1-Wire Data Line
4. RSTZ: Reset Input
5. SLEW: Slew Rate Control
6. TXD: Transmit Data Output
7. RXD: Receive Data Input

Functional Features

• Provides bidirectional communication between a microcontroller and 1-Wire devices.
• Supports both standard speed (15.4kbps) and overdrive speed (125kbps) modes.
• Implements strong pull-up functionality for powering 1-Wire devices.
• Supports software-controlled and hardware-controlled reset operations.
• Includes a programmable slew rate control for optimizing signal integrity.

Advantages and Disadvantages

Advantages: - High-speed communication capability. - Supports multiple 1-Wire devices on a single bus. - Low power consumption. - Easy integration with microcontrollers.

Disadvantages: - Limited maximum data rate compared to other communication interfaces. - Requires additional components for complete 1-Wire network implementation.

Working Principles

The DS2480B+T&R operates by converting signals between the microcontroller and the 1-Wire bus. It provides the necessary voltage levels, timing, and protocol handling required for reliable communication. The IC uses a combination of hardware and software control to facilitate bidirectional data transfer and device enumeration on the 1-Wire bus.

Detailed Application Field Plans

The DS2480B+T&R is commonly used in various applications, including:

1. Industrial Automation: Enables communication with 1-Wire sensors and devices in industrial control systems.
2. Home Automation: Integrates with smart home systems to interface with 1-Wire temperature sensors, switches, and other devices.
3. Automotive: Facilitates communication with 1-Wire devices in automotive applications, such as vehicle diagnostics and monitoring systems.
4. Energy Management: Allows integration of 1-Wire energy meters and sensors for efficient energy management solutions.

Detailed and Complete Alternative Models

1. DS2480B+: Similar to DS2480B+T&R but without tape and reel packaging.
2. DS2480BQ+: Quad version of DS2480B+ with four independent 1-Wire channels.
3. DS2482-100: I²C to 1-Wire bridge with additional features like EEPROM memory and SHA-1 engine.

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