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Design tips for IR2110 and gate selection paper

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seyyah

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- I think i can't use this driver with an 380Vac rectified application which is greater than 537Vdc, right?
- In this driver, should Vss and com pins be common or can they connected seperately?
- I can use 5V for Vdd, so i can directly connect it to a µcontroller but there is no isolation, right? Are there any product to drive half bridge igbt which provides isolation like an optocoupler but not a transformer?
- Is there anything that i must care, looking at this typical connection? or must i add something to provide better, stable and secure driving?
- Which manufacturers have solutions similar to ir2110 to drive 600V igbt?
 

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HINDI

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ir2110 transformer

Hi

see this link :
https://www.edn.com/archives/1995/081795/17di5.htm

note also that there is a switcing margain for the ir2110 "10% duty cycle "

attached :
1-gate resistor selection
2-design tips for undershoot

i wish it will help u

best regards
 

    V

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seyyah

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ir2110 design tip

I'm tired of strange errors. Everything seems ok but the circuit doesn't work. This time I only changed the board which i use for prototyping and everthing worked without problem. After i just solved everthing and get prepared to continue my work, icd2 and pic which have no problem for a long time, got me in to the trouble suddenly without an obvious reason. Anyway i'm tired and i'm giving up for now...
 

e-Fuzzy

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ir2110

Mind to share how do you size the boostrap capacitor?
 

HINDI

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Re: ir2110

HI all

the bootstrap capacitor must be more than .1 micro .
see
"Bootstrap Component Selection For Control IC’s"


DT 98-2.pdf

best regards
hindi
 

HINDI

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Re: ir2110

Hi all

use 74245 or 74244 buffer ,is there any problem in using this buffer for isolation ?
i don't see any problem .

salam
hindi
 

yangxh

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ir2110

I really don't kown what you problem is?
But I think if you treat with the scheduling correctly,
There will be no problem.
 

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