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  • ADuM4136 VDESAT Reference

    AnalogArsonist
    AnalogArsonist

    Hi, in our application we're using ADuM4136 with MOSFETs and I was wondering what the Vdesat 9V source is referenced to internally. The functional diagram in rev 0 of the datasheet references the internal clamp and the 9V source to VSS2. However, since…

    • Answered
    • over 1 year ago
    • Interface and Isolation
    • Q&A
  • ADUM4136 weird behavior

    tk_
    tk_

    How can you explain following behavior please:

    Status primary side:

    VI- tied to VSS1

    VDD1 +3,3V with respect to VSS1 (always guaranteed not to exceed chip limits, protected with TVS)

    VI+ valid PWM signal (+3,3V or 0V with respect to VSS1)

    /RESET low

    …
    • over 2 years ago
    • Interface and Isolation
    • Q&A
  • ADuM4136 /FAULT and READY states

    ToddBailey
    ToddBailey

    Hi,

    I'm designing a motor driver using the ADuM4136.

    From the datasheet Table 9, I've noticed that there are some conditions under which the READY and /FAULT pins have "UNKNOWN" states.

    Can you explain this a bit more?  For instance, if…

    • Answered
    • over 1 year ago
    • Interface and Isolation
    • Q&A
  • Adum4136 Damage with Ready pin low

    htian2
    htian2

    Hi, 

    I am using the Adum4136 to drive IGBTs in DC-AC converter. The circuits have worked well but I am suffering occassionally damage of Adum4136. When it goes wrong, the fault pin keeps high and the ready pin keeps low. Some of them are damaged when…

    • Answered
    • over 3 years ago
    • Interface and Isolation
    • Q&A
  • Ask ADUM4136 DESAT fault under ringing condition

    wei2.liu@ge.com
    wei2.liu@ge.com

    Dear  Sir / Madam :

    I use ACPL-36JT in my Gate drive board design to drive IGBT model; there is DESAT fault problem on switch ringing.

    For example: 

    my High voltage is 270V;

    when switching, The switcher collector Pin can go to -10V; then ACPL-36 make…

    • Answered
    • over 3 years ago
    • Interface and Isolation
    • Q&A
  • RE: Is ADuM4135 suitable for high voltage SiC application? Do you have some suggestion?

    RSchnell
    RSchnell

    Hello,

     

    The ADuM4135 does have good performance, but we have come across cases where short bursts of RF can upset the DESAT operation of the parts causing a premature fault to register. We are working on addressing the issue. We should have an update…

    • over 2 years ago
    • Interface and Isolation
    • Q&A
  • RE: can ADuM5230 be used to drive IGBT FS450R12OE4 ?

    RSchnell
    RSchnell

    Hello Chenmj,

    As Brian has pointed out, the output voltage swing requirements for your system make the ADuM5230 not a suitable match. Also, let's estimate the power required to operate the gate drive. using total gate charge, we can calculate:

    …
    • over 1 year ago
    • Interface and Isolation
    • Q&A
  • RE: ADUM7234: how to realize the current and voltage protection of MOSFET by using ADUM7234?

    RSchnell
    RSchnell

    Hello,

    The ADuM7234 provides a means for delivering a higher driver strength signal to the power MOSFET gates, as well as the ability to level shift the highside gate signal. This is done in an isolated fashion, allowing the primary and secondary sides…

    • over 4 years ago
    • Interface and Isolation
    • Q&A
  • RE: [ADuM7223]How to design High-Side voltage when MOSFET gated 200V?

    RSchnell
    RSchnell

    Hello,

    Yes, the Vgs voltage relative to the source node can be run negative since GNDa is floating. This is one of the advantages of digitally isolated gate drivers as compared to high-voltage level shifters. The VDDA/VOA/GNDA pins are on one silicon…

    • over 3 years ago
    • Interface and Isolation
    • Q&A
  • ADI 全新中文资料(2019 年 10 月)

    ternence
    ternence

    10 月份全新中文资料上线!各位筒子们还在等啥呢?

    系统方案精选 APM

    ADI锂离子电池测试设备解决方案

    在线研讨会

    打破自动驾驶的技术障碍 

    ADI软件定义无线电ADALM-Pluto入门实战 

    视频 VIDEO

    ADI公司:使用RF可调谐滤波器生成宽带频率

    ADI适用于集成式收发器的大规模MIMO RF前端解决方案

    ADRV9009-ZU11EG支持大规模MIMO相控阵系统的RF SOM

    ADI公司面向工业应用的60/77 GHz FMCW雷达系统

    ADI公司:毫米波安全筛选片

    ADI公司:相…

    • over 1 year ago
    • 中文资源库
    • 讨论
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