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08-05-2014, 17:55
| #1 (permalink) |
| Junior Member Join Date: Aug 2009
Posts: 7
Member: 1106805 Status: Offline Thanks Meter: 0 |  DC power supply, not all phones turns on I'm new here so don't be angry on me with my stupid questions  I got DC power supply 30v 5a and not all phones connected directory to battery socket turns on... WHY? Those who don't turns on after pressing power button current flows, but no turns on. With battery works fine. |
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08-06-2014, 13:28
| #4 (permalink) | |
| No Life Poster   Join Date: Mar 2009 Location: earth
Posts: 1,430
Member: 992568 Status: Offline Sonork: kulit Thanks Meter: 231 | Quote:
that supply is not good in phone using as supply very much current you may take but anyway here is what you do put the positive and negative supply in your phone terminal now that will not power on as usual then you net another wire that connected in grn and put it in the bsi connection to your phone dont forget to setup the voltage in 5volts only ok then your phone will be turn on and you can do your psu as the supply or battery of your phone | |
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| The Following User Says Thank You to alkim For This Useful Post: |
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08-07-2014, 11:16
| #9 (permalink) |
| No Life Poster  Join Date: Sep 2004 Location: Romania Age: 42
Posts: 1,598
Member: 81232 Status: Offline Thanks Meter: 196 | For a original phone to power up u need to connect bsi , + , GND .Else that phone can't boot . A china phone u can power up without bsi connected . |
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08-07-2014, 19:59
| #13 (permalink) |
| No Life Poster Join Date: Sep 2004 Location: Romania Age: 42
Posts: 1,598
Member: 81232 Status: Offline Thanks Meter: 196 | Bsi is an info channel , ic's from battery connects to power managment ic in phone , to check if correct accu is connected , and how many charges was made and others info about that battery . There is also in some bateryes Btemp , wich measure the temp of battery . Gl in ur learning . |
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| The Following User Says Thank You to Ionel For This Useful Post: |
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