Meixin Integrated
圖片可能僅供參考。
有關產品詳細信息，請參閱規格。
DS2490Y
詳情 數據表

DS2490Y

Product Overview

  • Category: Integrated Circuit
  • Use: Communication and Control
  • Characteristics: High-speed, 1-Wire USB to UART/I2C/SPI Bridge
  • Package: Small Outline Integrated Circuit (SOIC)
  • Essence: Bridging communication between USB and UART/I2C/SPI interfaces
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Supply Voltage: 3.0V to 5.25V
  • Operating Temperature Range: -40°C to +85°C
  • Data Rate: Up to 12 Mbps
  • Interface: USB 2.0 Full Speed
  • Supported Protocols: 1-Wire, UART, I2C, SPI
  • GPIO Pins: 4
  • Package Type: SOIC-8

Detailed Pin Configuration

The DS2490Y has the following pin configuration:

  1. VDD - Power supply voltage
  2. DQ - 1-Wire data line
  3. GND - Ground
  4. RSTZ - Reset input
  5. SDA - I2C data line
  6. SCL - I2C clock line
  7. TXD - UART transmit data
  8. RXD - UART receive data

Functional Features

  • USB to UART/I2C/SPI bridge conversion
  • Supports multiple communication protocols
  • High-speed data transfer up to 12 Mbps
  • Built-in reset function for connected devices
  • Flexible GPIO pins for additional control

Advantages and Disadvantages

Advantages: - Versatile bridge solution for various interfaces - High-speed data transfer capability - Compact package size for space-constrained applications - Reset functionality simplifies device management

Disadvantages: - Limited number of GPIO pins - Requires external power supply

Working Principles

The DS2490Y acts as a bridge between a USB host and UART/I2C/SPI interfaces. It converts USB signals into the respective communication protocols, allowing seamless data transfer between different devices. The integrated circuit handles the protocol conversion and provides additional features like reset functionality and GPIO pins for enhanced control.

Detailed Application Field Plans

The DS2490Y finds applications in various fields, including:

  1. Industrial Automation: Enables communication between USB-enabled devices and industrial control systems.
  2. Consumer Electronics: Facilitates connectivity between USB-equipped devices and UART/I2C/SPI peripherals.
  3. Internet of Things (IoT): Bridges USB connections with IoT devices using different communication protocols.
  4. Embedded Systems: Integrates USB connectivity with microcontrollers and other embedded systems.

Detailed and Complete Alternative Models

  1. DS2480B: 1-Wire to UART Bridge
  2. DS2482-100: 1-Wire to I2C Master Bridge
  3. DS2484: 1-Wire to I2C/SMBus Master Bridge
  4. DS2484R: 1-Wire to I2C/SMBus Master Bridge with Reset

These alternative models offer similar functionalities but may have different specifications or package types.

Word count: 320 words

10個與DS2490Y在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of DS2490Y in technical solutions:

  1. Q: What is DS2490Y? A: DS2490Y is a USB-to-1-Wire bridge chip manufactured by Maxim Integrated. It enables communication between a computer or microcontroller and 1-Wire devices.

  2. Q: What is 1-Wire technology? A: 1-Wire is a communication protocol developed by Dallas Semiconductor (now Maxim Integrated) that allows data transfer and power supply over a single wire.

  3. Q: How can DS2490Y be used in technical solutions? A: DS2490Y can be used as an interface between a computer or microcontroller and 1-Wire devices, enabling control, monitoring, and data acquisition in various applications.

  4. Q: What are some common applications of DS2490Y? A: DS2490Y is commonly used in applications such as temperature sensing, humidity monitoring, access control systems, battery management, and industrial automation.

  5. Q: How does DS2490Y connect to a computer or microcontroller? A: DS2490Y connects to a computer or microcontroller via a USB interface. It acts as a virtual serial port, allowing software to communicate with 1-Wire devices connected to it.

  6. Q: Can DS2490Y support multiple 1-Wire devices simultaneously? A: Yes, DS2490Y supports multiple 1-Wire devices on the same bus. It uses unique device addresses to communicate with each device individually.

  7. Q: Is DS2490Y compatible with different operating systems? A: Yes, DS2490Y is compatible with various operating systems, including Windows, Linux, and macOS. Maxim Integrated provides drivers and software libraries for different platforms.

  8. Q: What programming languages can be used to interface with DS2490Y? A: DS2490Y can be interfaced with using programming languages such as C, C++, Python, Java, and others. Maxim Integrated provides software libraries and examples for different languages.

  9. Q: Can DS2490Y provide power to 1-Wire devices? A: Yes, DS2490Y can provide power to low-power 1-Wire devices. It supports parasitic power mode, where the device draws power from the data line.

  10. Q: Are there any limitations or considerations when using DS2490Y? A: Some considerations include the maximum length of the 1-Wire bus, which is typically limited to a few meters, and the need for appropriate pull-up resistors on the bus for reliable communication.

Please note that these answers are general and may vary depending on specific implementation details and requirements.