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Author Topic: USB to TTL IC recomendations  (Read 12742 times)

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Offline anishkgtTopic starter

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Re: USB to TTL IC recomendations
« Reply #50 on: October 23, 2017, 09:36:59 pm »
Thanks ! appreciate that

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Your divider is still the wrong way around.
The source of 5v is from the USB as mentioned in the Datasheet so that VBUS detects and USB is connected.

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Once again, where is the third ground pin coming from?
That is the Exposed pad underneath. correct the symbol by adding two more pins for that rather than appending them to GND.
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Offline Monkeh

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Re: USB to TTL IC recomendations
« Reply #51 on: October 23, 2017, 11:59:53 pm »
Quote from: anishkgt on October 23, 2017, 09:36:59 pm
Quote
Your divider is still the wrong way around.
The source of 5v is from the USB as mentioned in the Datasheet so that VBUS detects and USB is connected.

Swap the values. 22k over 33k.
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Offline anishkgtTopic starter

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Re: USB to TTL IC recomendations
« Reply #52 on: October 24, 2017, 05:31:38 am »
so both at 22k ?
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