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MOSFET selection about onewire-over-uart HOT 2 OPEN

dword1511 avatar dword1511 commented on June 19, 2024
MOSFET selection

from onewire-over-uart.

Comments (2)

dword1511 avatar dword1511 commented on June 19, 2024

I think it will work as long as the UART has 3.3V or 5V push-pull output.

If the UART is open-drain, it should be OK to wire everything to DQ with the 4.7k pull-up.

from onewire-over-uart.

JensGrabner avatar JensGrabner commented on June 19, 2024

Read the Datasheet: https://www.diodes.com/assets/Datasheets/ZXMN3A01F.pdf
With 3.3V you can drive 1A, you need max. 2mA. You can also use a shotky diod.

from onewire-over-uart.

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