n 1 scematics and u24

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phaseshifter
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n 1 scematics and u24

Post by phaseshifter »

i need to replace the regulator u24 does any body have a part listing for this chip or give me a link to the schematics so i can find it myself many thanks ... @odroid
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odroid
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Re: n 1 scematics and u24

Post by odroid »

I can't find any data about the N1 since it was abandoned a few years ago.
Anyway, U24 is RT9013-28GB.
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phaseshifter (Thu Jul 22, 2021 3:20 am)

phaseshifter
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Re: n 1 scematics and u24

Post by phaseshifter »

it is a voltage regulator if i am correct and has 5 pins..??
thx for speedy delivery of my n2+ got the R.T.C...working fine was not hard to figure out setting hwclock in /etc/rc.local does the trick ..mine is 2g model running 20.04.2 release lts..ubuntu..need to get an m-2 ssd or high speed 64 gig usb stick for oppsystem going to populate the optical as soon as i get te chance found a Txmitter led in the junk box but there quite chap units..thx for helping have to order from china i think will look locally first though..@odroid
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Re: n 1 scematics and u24

Post by odroid »

It is a 2.8Volt output low drop out regulator in SOT-23-5 package.
https://www.richtek.com/assets/product_ ... 013-10.pdf
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phaseshifter (Thu Jul 22, 2021 4:30 pm)

phaseshifter
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Re: n 1 scematics and u24

Post by phaseshifter »

while i have you here i put a 3.7 volt lipo battery in place of the r.t.c battery just glued it on top of the eth port tand the jump wires soldered easy to the top of the contact`s no melt solder took to the gold plate real fast or whatever metal they are..will mount it into my m-2 riser board eventually along with my optic sender/"""""""""Txmitter...and receiver cable .etc..etc..glad to have an n-2 + at any rate the fastest board yet ..was vey prompt on arrivaltoo...peace out happy holidays soon i guess... been working fine so far today i wrote a setup wiki on another thread but all is good so far ..thx...its very small it came out of a blu-tooth txmitter for audio Tx sound..i measured the open voltage on the rtc socket and found 1.5 volts approx..don't know how much current is there but i have several of the battery's ...thinking to run 3,3 volt from the gpio then thought i would do better with am lm335z i think 500Ma to-92 package off the 5 volt rail-gpioi think i got the number correct it could be the temp transistor number any way i think there either 50 or 100Ma or 500 Ma whatever via that component should be able to hold it at around 3 volts ..@odroid
necessity the mother of all creation and invention..!!!

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