Badcaps.net Forum
Go Back   Badcaps Forums > Troubleshooting Hardware & Devices and Electronics Theory > Troubleshooting Laptops, Tablets, and Mobile Devices
Register FAQ Calendar Search Today's Posts Mark Forums Read

 
Thread Tools Display Modes
Old 01-30-2019, 12:39 PM   #1
moateez
Senior Member
 
Join Date: Jun 2014
City & State: const
My Country: algeria
I'm a: Knowledge Seeker
Posts: 114
Default 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 is offline   Reply With Quote
Old 01-30-2019, 12:48 PM   #2
moateez
Senior Member
 
Join Date: Jun 2014
City & State: const
My Country: algeria
I'm a: Knowledge Seeker
Posts: 114
Default Re: Hp650 problem power with ic tps51225

i found TPS51225C = APW8822C but same probleme also dont have this ic
moateez is offline   Reply With Quote
Old 01-30-2019, 03:55 PM   #3
ktmmotocross
Boardkiller
 
ktmmotocross's Avatar
 
Join Date: Feb 2014
City & State: slovakia
My Country: slovakia
Line Voltage: 230VAC 50Hz
I'm a: Hobbyist Tech
Posts: 2,655
Default 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
ktmmotocross is offline   Reply With Quote
Old 01-31-2019, 03:37 AM   #4
moateez
Senior Member
 
Join Date: Jun 2014
City & State: const
My Country: algeria
I'm a: Knowledge Seeker
Posts: 114
Default Re: Hp650 problem power with ic tps51225

Quote:
Originally Posted by ktmmotocross View Post
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
moateez is offline   Reply With Quote
Old 01-31-2019, 05:20 AM   #5
ktmmotocross
Boardkiller
 
ktmmotocross's Avatar
 
Join Date: Feb 2014
City & State: slovakia
My Country: slovakia
Line Voltage: 230VAC 50Hz
I'm a: Hobbyist Tech
Posts: 2,655
Default Re: Hp650 problem power with ic tps51225

did u check pins on that 5V side like if u dont have shorted mosfets, ENTRIP...
ktmmotocross is offline   Reply With Quote
Old 01-31-2019, 07:22 AM   #6
moateez
Senior Member
 
Join Date: Jun 2014
City & State: const
My Country: algeria
I'm a: Knowledge Seeker
Posts: 114
Default Re: Hp650 problem power with ic tps51225

Quote:
Originally Posted by ktmmotocross View Post
did u check pins on that 5V side like if u dont have shorted mosfets, ENTRIP...
yes bro all ok
moateez is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump



Badcaps.net Technical Forums 2003 - 2022
Powered by vBulletin ®
Copyright ©2000 - 2022, Jelsoft Enterprises Ltd.
All times are GMT -6. The time now is 08:22 PM.
Did you find this forum helpful?