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Part Number: TCA9509
Please let me ask the simplified internal example of TCA9509. I found simplified internal example of TCA9517 following thread.
Then I guess TCA9509's one by referring it so can you confirm it and give your comment? It's appreciated if you can share the TCA9509's simplified internal example here.
Satoshi / Japan Disty
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In reply to fhoude:
Thank you for your support.
Yes, I want a simplified block level diagram of TCA9509. I don't need ti soon but my customer consider to use TCA9509 and they want to see it because just want to learn and know the basis of bidirectional buffer.
In reply to S.Satoshi:
I read datasheet thoroughly again and got a better my understanding. I tried to draw the simplified internal diagram again so can you check it and give your comment? I thought that it has 200ohm pull down but now I understand that 200ohm is the gate resistance of A-side driver. Or is it a Ron of A-side Nch FET?
Here is the block level diagram for the TCA9509, let me know if you have any questions. I had to make the diagram, we didn't have it other collateral.
I really appreciate for preparing block level diagram for the TCA9509. I understand that the 1mA current source is always activated from your diagram. Please let me know if my understanding is incorrect.
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