groupUrl: https://ez.analog.com/interface-isolation/
Analog.com Analog Dialogue Wiki English
Analog.com Analog Dialogue Wiki 简体中文
EngineerZone
EngineerZone
  • Site
  • User
  • Site
  • Search
  • User
EngineerZone
EngineerZone
  • Log in
  • Site
  • Search
  • Log in
  • Home
  • Blogs ⌵
    • EZ Spotlight
    • The Engineering Mind
  • Browse ⌵
    • All Groups
    • All Members
  • Support ⌵
    • 3D ToF Depth Sensing
    • A2B
    • Aerospace and Defense (ADEF)
    • Amplifiers
    • Analog Microcontrollers
    • Analysis Control Evaluation (ACE) Software
    • Audio
    • Clock and Timing
    • Condition-Based Monitoring
    • Data Converters
    • Design Tools and Calculators
    • Direct Digital Synthesis (DDS)
    • Embedded Vision Sensing
    • Energy Monitoring and Metering
    • FPGA Reference Designs
    • Industrial Ethernet
    • Interface and Isolation
    • Low Power RF Transceivers
    • MEMS Inertial Sensors
    • Motor Control Hardware Platforms
    • Optical Sensing
    • Power Management
    • Precision Technology Signal Chains
    • Processors and DSP
    • Reference Circuits
    • RF and Microwave
    • Signal Chain Power (SCP)
    • Switches/Multiplexers
    • Temperature Sensors
    • Video
    • Wide Band RF Transceivers
    • Wireless Sensor Networks Reference Library
  • About EZ
  • More
  • Cancel
  • 主页
  • 浏览 ⌵
    • 收件箱
    • 个人设置
    • 会员
    • 专区列表
  • 论坛专区 ⌵
    • 放大器专区
    • 精密转换器专区
    • 音频专区
    • ADE电能计量专区
    • MEMS和传感器专区
    • 接口和隔离专区
    • Power 中文专区
    • ADUC微处理器专区
    • 锁相环专区
    • 开关和多路复用器专区
    • 温度传感器
    • 基准电压源专区
    • 资源库
    • 论坛使用指南
    • 技术支持参考库
    • 在线研讨会
    • 论坛社群活动
    • 论坛激励活动
  • More
  • Cancel
Interface and Isolation
Interface and Isolation
Documents How to use ADuM4223 in Full Bridge driver application?
  • Q&A
  • Documents
  • Tags
  • Managers
  • More
  • Cancel
  • New
Interface and Isolation requires membership for participation - click to join
  • Documents
  • INTERFACE AND ISOLATION SUPPORT COMMUNITY
  • Tags List (Interface & Isolation)
  • +General: FAQ
  • +AD5700: FAQ
  • +ADG324x: FAQ
  • +ADM2687: FAQ
  • +ADN4695E: FAQ
  • +ADuM1100: FAQ
  • +ADUM1200: FAQ
  • +ADuM1201: FAQ
  • +ADuM1230: FAQ
  • +ADuM1250: FAQ
  • +ADuM1251: FAQ
  • +ADUM1300: FAQ
  • +ADuM1301: FAQ
  • +ADUM1400: FAQ
  • +ADUM1401: FAQ
  • +ADuM1402: FAQ
  • +ADuM1420: FAQ
  • +ADuM1440: FAQ
  • +ADuM1441: FAQ
  • +ADuM144x: FAQ
  • +ADuM2400: FAQ
  • +ADuM2401: FAQ
  • +ADuM2402: FAQ
  • +ADUM3070: FAQ
  • +ADuM3160: FAQ
  • +ADuM3190: FAQ
  • +ADuM3201: FAQ
  • +ADuM3220: FAQ
  • +ADuM3221: FAQ
  • +ADuM3223: FAQ
  • +ADuM3440: FAQ
  • +ADuM3470: FAQ
  • +ADuM3471: FAQ
  • +ADuM3480: FAQ
  • +ADuM3482: FAQ
  • +ADuM4160: FAQ
  • +ADuM4190: FAQ
  • -ADuM4223: FAQ
    • ADuM4223 for safety class II
    • How to use ADuM4223 in Full Bridge driver application?
  • +ADuM4400: FAQ
  • +ADuM4472: FAQ
  • +ADuM5000: FAQ
  • +ADUM5010: FAQ
  • +ADuM5201: FAQ
  • +ADuM5202: FAQ
  • +ADuM5230: FAQ
  • +ADuM5241: FAQ
  • +ADuM5400: FAQ
  • +ADuM5401: FAQ
  • +ADuM5402: FAQ
  • +ADuM5403: FAQ
  • +ADuM6000: FAQ
  • +ADuM6132: FAQ
  • +ADuM620X: FAQ
  • +ADuM6400: FAQ
  • +ADuM6401: FAQ
  • +ADuM6402: FAQ
  • +ADuM7234: FAQ
  • +EVAL-CN0313: FAQ
  • +isoPower: FAQ
  • +MLVDS: FAQ
  • +SPIsolator: FAQ

How to use ADuM4223 in Full Bridge driver application?

Dear Sir,

We want to use ADuM4223 in the full bridge driver application. Do you have the reference circuit for this application?

Thanks.

Best regards

NC

  • adum4223
  • Share
  • History
  • More
  • Cancel
Comments
Anonymous
  • ncw
    ncw over 7 years ago in reply to RSchnell

    Dear RSchnell,

    Thanks. Will check it.

    Thanks.

    Best regards

    NC

    • Cancel
    • Vote Up 0 Vote Down
    • Reply
    • More
    • Cancel
  • RSchnell
    RSchnell over 7 years ago in reply to ncw

    Hello NC,

    1. There is a small mistake in the circuit, but it is probably just in the drawing, not the actual circuit:

    This circuit looks good, if 112V_P, 2V_Q1, and 12V_Q3 are isolated power supplies. How often does the MOSFET fail, and which MOSFET is it?

    2. The bootstrap diode will see the bus voltage + 12V + overshoot across it. For a 400V bus, I would guess a 500V rate diode should be good. A common choice for bootstrap diodes is the MUR series, such as the MUR150.

    Another cause of the bootstrap capacitor failing could be from overcurrent. If the highside MOSFET fails and causes damage to the A channel of a driver, a short could be formed between VDDA and GNDA. Once that happens, if the lowside channel brings the midpoint voltage to GNDB, the bootstrap diode would see high current and fail.

    The cause of the MOSFET failing could be many things. Here are a few:

    1. Temperature overstress

    2. Repeated peak voltage stress due to ringing

    3. Timing error on input side of gate driver

    4. Saturation of a load inductor

    5. Short circuit on load being driven

    Is there any noise on VIA and VIB? Sometimes with a resistor divider network VIA and VIB can be more susceptible to noise from high currents. This is because with a resistor there, a high impedance is seen from the input nodes.

    RSchnell

    • Cancel
    • Vote Up 0 Vote Down
    • Reply
    • More
    • Cancel
  • ncw
    ncw over 7 years ago in reply to RSchnell

    Dear RSchnell,

    There are still two questions need your helps.

    1. Below is the full bridge circuit, sometiome, the MOSFET will be failed. Please kindly check the circuit is OK or not.

    Thanks.

    2. The booststrap diode will failed in the below application(Vbus is 400V), what is the max diode voltage?

    Thanks.

    Best regards

    NC

    • Cancel
    • Vote Up 0 Vote Down
    • Reply
    • More
    • Cancel
  • RSchnell
    RSchnell over 7 years ago in reply to ncw

    Hello NC,

    The bootstrap capacitor size is independent of the bus voltage. It depends on the switching frequency, duty-cycle, and quiescent current of the high-side driver. The circuit note http://www.analog.com/static/imported-files/circuit_notes/CN0196.pdf covers sizing the bootstrap capacitor.

    Without know the minimum switching frequency and duty cycle of a particular design, I can't suggest a bootstrap capacitance. I suggest looking at the bootstrap capacitor sections in the circuit note first.

    RSchnell

    • Cancel
    • Vote Up 0 Vote Down
    • Reply
    • More
    • Cancel
  • ncw
    ncw over 7 years ago in reply to RSchnell

    Dear RSchnell,

    Thanks for your data.

    And how to choose the bootstrap diode in the bootstrap circuit if the Vbus is 400V?

    Thanks.

    Best regards

    NC

    • Cancel
    • Vote Up 0 Vote Down
    • Reply
    • More
    • Cancel
>
Related
 
社交网络
快速链接
  • 关于ADI
  • Partners
  • 模拟对话
  • 职业
  • 联系我们
  • 投资信息
  • 新闻中心
  • 质量和可靠性
  • 办事处与代理商
  • Analog Garage
语言
  • English
  • 简体中文
  • 日本語
  • Руccкий
电子快讯

欲获得最新ADI产品、设计工具、培训与活动的相关新闻与文章,请从我们的在线快讯中选出您感兴趣的产品类别,每月或每季度都会发送至您的收件箱。

订阅
Switch to mobile view
Analog Logo
© 1995 - 2022 Analog Devices, Inc. All Rights Reserved 沪ICP备09046653号-1
  • ©
  • 1995 - 2022 Analog Devices, Inc. All Rights Reserved
  • 沪ICP备09046653号-1
  • 网站地图
  • 隐私和保密政策
  • 隐私设置
  • 使用条款
 
Social
Quick Links
  • About ADI
  • Partners
  • Analog Dialogue
  • Careers
  • Contact us
  • Investor Relations
  • News Room
  • Quality & Reliability
  • Sales & Distribution
  • Analog Garage
Languages
  • English
  • 简体中文
  • 日本語
  • Руccкий
Newsletters

Interested in the latest news and articles about ADI products, design tools, training and events? Choose from one of our 12 newsletters that match your product area of interest, delivered monthly or quarterly to your inbox.

Sign Up
Switch to mobile view
Analog Logo
© 1995 - 2022 Analog Devices, Inc. All Rights Reserved 沪ICP备09046653号-1
  • ©
  • 1995 - 2022 Analog Devices, Inc. All Rights Reserved
  • 沪ICP备09046653号-1
  • Sitemap
  • Privacy & Security
  • Privacy Settings
  • Terms of use
EngineerZone Uses cookies to ensure you get the best experience in our community. For more information on cookies, please read our Privacy & Security Statement.