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UMAX 14wa - switched charger polarity need identify ic

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    UMAX 14wa - switched charger polarity need identify ic

    have this UMAX 14wa that switched charger polarity. i found some bad ic and i need to identify it.

    Mark on it is
    R9CSC

    it is voltage regulator

    #2
    Re: UMAX 14wa - switched charger polarity need identify ic

    Originally posted by ktmmotocross View Post
    have this UMAX 14wa that switched charger polarity. i found some bad ic and i need to identify it.

    Mark on it is
    R9CSC

    it is voltage regulator
    post more info and pictures. Need to see the footprint and number of pins, package type, and if there`s any manufacturer logo besides the marking code
    All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

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      #3
      Re: UMAX 14wa - switched charger polarity need identify ic

      no other marking
      Attached Files

      Comment


        #4
        Re: UMAX 14wa - switched charger polarity need identify ic

        Originally posted by ktmmotocross View Post
        no other marking
        I only find this part from silergy

        SY8388B3RHC

        Comment


          #5
          Re: UMAX 14wa - switched charger polarity need identify ic

          thanks. from here it looks like it.

          Silergy marking codes
          https://www.forum.diacom.az/viewtopic.php?p=680

          Comment


            #6
            Re: UMAX 14wa - switched charger polarity need identify ic

            Originally posted by ktmmotocross View Post
            thanks. from here it looks like it.

            Silergy marking codes
            https://www.forum.diacom.az/viewtopic.php?p=680
            One of those lists at that forum is a copy of ours https://www.badcaps.net/forum/showpo...1&postcount=12 .The R9***/SY8388B3RHC has been posted at the russian vlab forums in their silergy thread,and at the 4pda forum, i havn`t added it to our list there`s no pictures or datasheet available (only to silergy customers) ,so there`s no way to confirm it. Overview https://www.silergy.com/zh/productsview/SY8388B3RHC
            The SY8388B3RHC can be found on Teclast F15 and Chuwi CoreBookXPRO motherboards,there`s no full schematics available for either of them but i found a BOM and motherboard outline for the Chuwi
            https://www.badcaps.net/forum/showthread.php?p=1183457
            .
            Last edited by SMDFlea; 11-24-2022, 05:33 PM.
            All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

            Comment


              #7
              Re: UMAX 14wa - switched charger polarity need identify ic

              Originally posted by ktmmotocross View Post
              thanks. from here it looks like it.

              Silergy marking codes
              https://www.forum.diacom.az/viewtopic.php?p=680
              Nope, I found it from vlab. But still i can't find seller who sell it

              Comment


                #8
                Re: UMAX 14wa - switched charger polarity need identify ic

                Sharing the attached.
                Attached Files

                Comment


                  #9
                  Re: UMAX 14wa - switched charger polarity need identify ic

                  Originally posted by martha februarini View Post
                  Nope, I found it from vlab. But still i can't find seller who sell it
                  only one on ali. 15e for 2pieces

                  Comment


                    #10
                    Re: UMAX 14wa - switched charger polarity need identify ic

                    Found in the NM-C771 schematic as well https://www.badcaps.net/forum/showthread.php?t=110962
                    All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

                    Comment


                      #11
                      Re: UMAX 14wa - switched charger polarity need identify ic

                      Ask any high rated vendor on AliExpress that sells silergy parts for help. They will run across the street and buy it for you in Shenzhen.

                      Comment

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