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-   -   Hp650 problem power with ic tps51225 (https://www.badcaps.net/forum/showthread.php?t=74536)

moateez 01-30-2019 12:39 PM

Hp650 problem power with ic tps51225
 
hello Friends
Hp650 not power On i found just 3.3 v on ic TPS 51225 and no 5V

please ineed equivalent for this ic idont have original ic in my lab


thnx

moateez 01-30-2019 12:48 PM

Re: Hp650 problem power with ic tps51225
 
i found TPS51225C = APW8822C but same probleme also dont have this ic

ktmmotocross 01-30-2019 03:55 PM

Re: Hp650 problem power with ic tps51225
 
why do u think this ic is bad when u not check it

check all pins for voltage and resistance to ground

moateez 01-31-2019 03:37 AM

Re: Hp650 problem power with ic tps51225
 
Quote:

Originally Posted by ktmmotocross (Post 878075)
why do u think this ic is bad when u not check it

check all pins for voltage and resistance to ground


ihave chek it bro

Vin + Ldo3 +Ldo5

the ic dont make 5v out

ktmmotocross 01-31-2019 05:20 AM

Re: Hp650 problem power with ic tps51225
 
did u check pins on that 5V side like if u dont have shorted mosfets, ENTRIP...

moateez 01-31-2019 07:22 AM

Re: Hp650 problem power with ic tps51225
 
Quote:

Originally Posted by ktmmotocross (Post 878198)
did u check pins on that 5V side like if u dont have shorted mosfets, ENTRIP...

yes bro all ok


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