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Forum: µC & Digital Electronics MOSFET like PMV16XN to switch on my arduino with 3 v


von Mia H. (miaaaa)


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Hallo


I want to switch on my arduino wich work with 3v/8MHZ with P-Mosfet .
I found PMV16XN but it isnot delivered this year anymore .

can someone help me to find Mosfet like it ?

: Moved by Moderator
von Jester (Guest)


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Lieferbarkeit und Preis hängen davon ab, wo du bestellen willst/kannst.

Ansonsten benutze die „parametric search“-Funktion auf der Seite der 
infrage kommenden Distributoren.

von Lothar M. (Company: Titel) (lkmiller) (Moderator)


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Mia H. schrieb:
> can someone help me
Pls post your questions on the English spoken forum: 
http://www.embdev.net

von r0bm (Guest)


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Mia H. wrote:
> I want to switch on my arduino wich work with 3v/8MHZ with P-Mosfet .
> I found PMV16XN but it isnot delivered this year anymore .
>
> can someone help me to find Mosfet like it ?

The PMV16XN is not guaranteed to work at such low voltage. Look for 
(super) logic level (2.5V drive capable) MOSFETs where the datasheet 
explicitly mentions Rds(on) @ Vgs=2.5V (or Vgs=2.7V) like IRLML6244, 
IRLML6346, IRLML6246, IRLML6344 etc.

https://www.mouser.de/ProductDetail/Infineon-IR/IRLML6244TRPBF?qs=9%252BKlkBgLFf1HkY%2F2U%252BIhLQ%3D%3D

von Der Wissende (Guest)


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No. The PMV16XN is guaranteed to work at 1.8V vgs.

von r0bm (Guest)


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Der Wissende wrote:
> The PMV16XN is guaranteed to work at 1.8V vgs.

Indeed, thanks. You have to scroll to page 7 in the datasheet to find 
out.

von Der Wissende (Guest)


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You want to switch on and off the whole Arduino with its external 
circuitry with the Mosfet? If yes, then you better take a P-Channel and 
switch the (+) line with it. How often is it switched? What is the 
maximum current?

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