89E54RD2SST 89E5516RD-40-C-PIE 89E554R 89E554RC 89E554RC-40-C-NJ 89E554RC-40-C-NJE 89E554RC-40-C-NJE 电源IC 89E554RC-40-C-PI 89E554RC40-C-PI 89E554RC-40-C-TQJ