ADM2486

2.5 kV信号隔离、高速(20 Mbps)、半双工RS-485收发器
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产品详情

ADM24861 差分总线收发器是一款集成式电流隔离器件,适用于多点总线传输线路的双向数据通信。它针对平衡传输线路而设计,符合ANSI TIA/EIA RS-485-A和ISO 8482:1987(E)标准。

该器件采用ADI公司的iCoupler技术,将3通道隔离器、三态差分线路驱动器和差分输入接收器集成于单封装中。器件逻辑端可以采用5 V或3 V电源供电,总线端则采用5 V电源供电。

ADM2486驱动器具有高电平有效使能特性。驱动器差分输出与接收器差分输入内部相连,形成差分输入/输出端口;当驱动器禁用时,或者当VDD1 或VDD2=0V时,该端口向总线提供极小的负载。该器件还具有高电平有效接收器禁用特性,可使接收器输出进入高阻抗状态。

该器件具有限流和热关断特性,可防止发生输出短路以及总线竞争导致功耗过大的情况。

产品生命周期

checked 量产

该产品系列中至少有一个型号已量产并可供采购。该产品适合用于新设计,但也可能有更新的替代产品。

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产品详情

EVAL-ADM2486EBZ支持轻松而快速地评估ADM2486 RS-485收发器。 所有输入和输出功能都可以通过该评估板执行,无需任何外部元件。ADM2486差分总线收发器是一款集成式电流隔离器件,适用于多点总线传输线路的双向数据通信。

该器件采用ADI公司的iCoupler®技术,将三通道隔离器、三态差分线路驱动器和差分输入接收器集成于单封装中。 器件逻辑端采用5 V或3 V电源供电,总线端则采用隔离式5 V电源供电。

产品详情

ezLINX™ iCoupler®隔离接口开发环境为开发人员提供了高性价比、即插即用的方法,支持八个物理层评估,同时满足数字隔离通信标准(USB、RS-422、RS-485、RS-232、CAN、SPI、I2C和LVDS)。Blackfin® ADSP-BF548处理器用于运行uCLinux操作系统,可轻松通过开源硬件和软件平台定制。 为设计和评估隔离通信标准的嵌入式设计师和系统架构师极大地缩短了开发时间。 ezLINX上的接口采用ADI的隔离式收发器,该收发器集成了iCoupler®isoPower®数字隔离器技术

EVAL-FMCMOTCON2 电路图

产品详情

The AD-FMCMOTCON2-EBZ is a complete high performance servo system on an FPGA Mezzanine Card (FMC) board, the purpose of which is to provide a complete motor drive system demonstrating efficient and high dynamic control of three phase PMSM and induction motors up to 48V and 20A.

Two motors can be driven at the same time, each motor having its separate power supply. The system incorporates high quality power sources; reliable power, control, and feedback signals isolation; accurate measurement of motor current & voltage signals; high speed interfaces for control signals to allow fast controller response; industrial Ethernet high speed interfaces; single ended Hall, differential Hall, encoder and resolver interfaces; digital position sensors interface; flexible control with a FPGA/SoC interface.

The kit consists of two boards: a controller board and a drive board. An optional AD-DYNO2-EBZ dynamometer can also be purchased through Avnet and is intended to be an extension of the drive system.

Controller Board

  • Digital board for interfacing with the low and high voltage drive boards
  • Compatible with all Xilinx FPGA platforms with FMC LPC or HPC connectors
  • FMC signals voltage adaptation interface for seamless operation on all FMC voltage levels
  • Fully isolated digital control and feedback signals
  • Isolated Xilinx XADC interface
  • 2 x Gbit Ethernet PHYs for high speed industrial communication, with 3rd party EtherCAT support
  • Single ended Hall, Differential Hall, Encoder, Resolver interfaces
  • Digital sensors interfaces
    • EnDat
    • BISS Interface

Drive Board

  • Drives motors up to 48V @ 20A
  • Drives 2 motors simultaneously
  • High frequency drive stage implemented with ADI isolated gate drivers
  • Supported motor types
    BLDC
    PMSM
    Brushed DC
    Stepper (bipolar / unipolar)
  • Integrated over current protection
  • Reverse voltage protection
  • Current and Voltage measurement using isolated ADCs
  • BEMF zero cross detection for sensorless control of PMSM or BLDC motors
  • Separate voltage supplies for the 2 motors so that the motors don't influence each other

Dynamometer System with Embedded Control

  • Two BLDC motors connected by a rigid couple in a dyno setup, which can be used to test real-time motor control performance.
  • One BLDC motor acts as an electronically adjustable load and is driven by the embedded control system. This motor can be directly connected to the FMC motor drive to get complex / active loads. The load can be driven also by the AD-FMCMOTCON2-EBZ to implement dynamic load profiles.
  • The other BLDC motor is driven by the FMC motor drive.
  • Measurement and display of load motor current
  • Measurement and display of load motor speed
  • External control using Analog Discovery and MathWorks Instrumentation Control Toolbox

Software:

Example reference designs showing how to use the platform with Xilinx® FPGAs or SoCs and high performance control algorithms from Mathworks® are provided together with the hardware. Information on the FMC board, and how to use it, the design package that surrounds it, and the software which can make it work, can be found by clicking the software link.

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ADM2486 材料声明
PCN-PDN信息 质量和可靠性 原理图符号和PCB封装

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购买评估板 所示报价为单片价格
所示报价为单片价格。所列的美国报价单仅供预算参考,指美元报价(每片美国离岸价),如有修改恕不另行通知。由于地区关税、商业税、汇率及手续费原因,国际报价可能不同。