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01-30-2019, 12:39 PM
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#1 |
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Senior Member
Join Date: Jun 2014
City & State: const
My Country: algeria
I'm a: Knowledge Seeker
Posts: 114
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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 |
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01-30-2019, 12:48 PM
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#2 |
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Senior Member
Join Date: Jun 2014
City & State: const
My Country: algeria
I'm a: Knowledge Seeker
Posts: 114
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Re: Hp650 problem power with ic tps51225
i found TPS51225C = APW8822C but same probleme also dont have this ic
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01-30-2019, 03:55 PM
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#3 |
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Boardkiller
Join Date: Feb 2014
City & State: slovakia
My Country: slovakia
Line Voltage: 230VAC 50Hz
I'm a: Hobbyist Tech
Posts: 2,655
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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 |
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01-31-2019, 03:37 AM
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#4 | |
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Senior Member
Join Date: Jun 2014
City & State: const
My Country: algeria
I'm a: Knowledge Seeker
Posts: 114
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Re: Hp650 problem power with ic tps51225
Quote:
ihave chek it bro Vin + Ldo3 +Ldo5 the ic dont make 5v out |
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01-31-2019, 05:20 AM
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#5 |
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Boardkiller
Join Date: Feb 2014
City & State: slovakia
My Country: slovakia
Line Voltage: 230VAC 50Hz
I'm a: Hobbyist Tech
Posts: 2,655
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Re: Hp650 problem power with ic tps51225
did u check pins on that 5V side like if u dont have shorted mosfets, ENTRIP...
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01-31-2019, 07:22 AM
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#6 | |
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Senior Member
Join Date: Jun 2014
City & State: const
My Country: algeria
I'm a: Knowledge Seeker
Posts: 114
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Re: Hp650 problem power with ic tps51225
Quote:
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