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MPC5744P-SCH

Question asked by chen xiubo on Jun 20, 2017
Latest reply on Jun 22, 2017 by chen xiubo

Hi, 

    

      I  am designing  MPC5744P Schematic,  includes  MPC5744P minimum system and power system.  While I 

got the PCB, and started to power.  I  found  it does not work well: Q1(BCP68)  cann't  covert  3.3 v  to 1.25v, after

30 seconds  the MPC5744P mcu  got hot.

     I checked the  Schematic and not find any wrong. Are there  something wrongs with the capacitance value  or  inductance value?  Or are  there  some pins should pull up or pull down?  LM2596-5  or  AMS1117-3.3  is  not  power

enough for MPC5744p?  

 

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