Question about Sony Ericsson EP800 Power-Saving Mini-Charger

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Sony ericsson EP800 USB+5V charger IC SO8 is burned and I can't detect the part number

This charger was connected with 380 VAC input which exceed the U1 limit. So I found that the available SO8 IC on the PCB side is completely burned. The only characters were left: AS 12xx. Please I need the part number or the available schematic of this circuit. NB the IC is not TYN 266 as it doen't use an external 817 isolator

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  • 4 more comments 
  • Soubhi Sabbagh Dec 10, 2012

    Below you can find all available snapshots of SONY ERICSSON EP800 damaged charger













  • Dennis Tomlinson
    Dennis Tomlinson Dec 12, 2012

    Can get one on EBAY for as little as $3.99 USA or as much as $19.00 USA

  • Soubhi Sabbagh Dec 12, 2012

    LOL, it's true that you can exchange the entire charger!
    But I just need to know the damaged IC part number!
    Is there a database in the net where I can search for such chip!
    by adding the available information:
    package=SO8,
    usage:power switching
    pin3 = negative DC input, pin7=positive DC input
    pin6=NC

  • Soubhi Sabbagh Dec 14, 2012

    I understand that sometime we can save our time by exchanging cheap equipments with new one. Cause we know that time is money. But in several situations. I do not repaire systems to save money. I do that to gain new experience. I need to know if there were a website which contains a well organized database of the available common chips. For example if I know the chip shape like SO8 and some of the pin assignments are: pin 6=NC and pin 3,7 are input, and chip code is 12??. And the chip application is switching power... How to know the chip complete code?

  • Dennis Tomlinson
    Dennis Tomlinson Dec 18, 2012

    Searched for possible IC chips with no success on the internet as you probably already have done, using wildcards and etc. I realize it is fun to troubleshoot and repair electronic circuits but am fascinated in why you would want to repair it. Probably there are other components that are bad also with no visual damage. 380 volts is a lot of power for that device to absorb. Are you planning on using this in a IED???

  • Soubhi Sabbagh Dec 28, 2012

    As I told you, I found this sirxuit is interesting cause it include one so08 IC without external PC817 isolator. I just need to know the IC, and if there where a way to search using wildcards

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Just get another on EBAY. It's not worth messing with versus expense. Ya, it probably could be fixed, but hard to find a schematic for it.

Posted on Dec 12, 2012

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