# # DCDC 2 Converter # # MGT_AVCC DCDC Comverter 20 Amp # --========-------------------------- # # # Original Rev. 15-Mar-2015 # Most Recent Rev. 23-Nov-2016 # # # # This file holds all of the components involved with # DCDC Converter number 2 on the Hub Module. # # This is a 20 Amp GE_UDT020 for the MGT_AVCC bus. # # MGT_AVCC is a 1.000 Volt bus. # # The DCDC-2 converter uses reference designators # in the range: 1051 through 1099. # # # Board_Location # Ref Part_Number Symbol Geometry X Y Properties #----- ----------- ------ ------------------ -------------- ---------- # DCDC2 POL_UDT020A SY_JUNK GE_UDT020 0.00 0.00 1 90 ($G,"$O,$V") (COMPONENT_TYPE,"Array_Grp") # # The loop compensation RTUNE and CTUNE RC components # R1051 Res_180_Ohm_0805 SY_JUNK res_0805_1sb 6.00 0.50 2 0 C1051 Cap_DC2_T_uFd_0805 SY_JUNK cap_0805_1sb 11.00 0.50 2 180 # # The output voltage set RTRIM resistor # R1052 Res_30k_Ohm_0805 SY_JUNK res_0805_1sb -0.60 1.10 2 270 # # The Address Set resistors: Adrs_1 is R1054 Adrs_0 is R1053 set to 0o51 # R1054 Res_84.5k_Ohm_0603 SY_JUNK res_0603 -3.50 5.00 2 270 R1053 Res_15.4k_Ohm_0603 SY_JUNK res_0603_1sb -5.80 5.00 2 270 # # Now the Ramp Sequence RC scale and filter components: # R1105 is the 20k Ohm series resistor. # R1106 is the scale shunt resistor to ground. # R1055 Res_20k_Ohm_0805 SY_JUNK res_0805 -10.30 -4.40 2 0 R1056 Res_30k_Ohm_0805 SY_JUNK res_0805_1sb -4.30 2.00 2 0 C1052 Cap_100_pFd_0603 SY_JUNK cap_0603 -4.30 -0.30 2 0 # # Now the 470 Ohm series isolation resistor in the # DCDC_2 Enable_Off_On signal. This resistor is # part of the Hub's Power Control Circuit. R2962 Res_470_Ohm_0603 SY_JUNK res_0603 8.90 5.00 2 270 # # INPUT Filter Capacitors # C1061 Cap_22_uFd_25_V_1210 SY_JUNK cap_1210 -14.40 2.90 1 270 C1062 Cap_47_nFd_0402 SY_JUNK cap_0402 -11.40 1.90 1 270 C1063 Cap_10_uFd_25_V_1206 SY_JUNK cap_1206 -13.90 2.90 2 270 C1064 Cap_10_uFd_25_V_1206 SY_JUNK cap_1206 -8.30 3.10 2 270 C1065 Cap_47_nFd_0402 SY_JUNK cap_0402 -10.20 1.90 2 270 C1066 Cap_47_nFd_0402 SY_JUNK cap_0402 -11.60 1.90 2 270 # # OUTPUT Filter Capacitors # C1071 Cap_22_uFd_10_V_1206 SY_JUNK cap_1206 0.15 -9.30 1 180 C1072 Cap_22_uFd_10_V_1206 SY_JUNK cap_1206 0.15 -9.50 2 0 C1073 Cap_22_uFd_10_V_1206 SY_JUNK cap_1206 0.15 -7.00 2 0 C1074 Cap_22_uFd_10_V_1206 SY_JUNK cap_1206 0.15 -4.50 2 0 C1075 Cap_47_nFd_0402 SY_JUNK cap_0402 0.15 -6.40 1 180 C1076 Cap_47_nFd_0402 SY_JUNK cap_0402 0.15 -7.40 1 180 C1078 Cap_22_uFd_10_V_1206 SY_JUNK cap_1206 0.15 -12.10 1 180 C1077 Cap_470_uFd_Tant_V SY_JUNK Tant_V_Case 0.15 -13.30 2 0 ($G,"$O,$V") (COMPONENT_TYPE,"Array_Grp") DZ1051 MMSZ4680T1G SY_JUNK zener_sod123 0.15 -15.00 1 180 # # Via Arrays on INPUT Pin #2 # PVA1_DC2 Not_a_Part SY_JUNK X3Y2_Power_Via_Array -11.40 5.20 1 90 PVA2_DC2 Not_a_Part SY_JUNK X2Y2_Power_Via_Array -8.50 6.80 1 180 # # Via Arrays on SYNC aka GROUND PIN #10 # PVA3_DC2 Not_a_Part SY_JUNK X4Y1_Power_Via_Array -12.85 0.00 1 180 # # Via Arrays on GROUND PIN #4 # PVA4_DC2 Not_a_Part SY_JUNK X4Y3_Power_Via_Array -4.30 -7.00 1 0 PVA5_DC2 Not_a_Part SY_JUNK X1Y1_Power_Via_Array -5.60 -2.60 1 90 PVA6_DC2 Not_a_Part SY_JUNK X1Y1_Power_Via_Array -2.80 -9.60 1 90 PVA7_DC2 Not_a_Part SY_JUNK X1Y1_Power_Via_Array -5.10 -9.60 1 90 # # Via Arrays on OUTPUT Pin #6 # PVA8_DC2 Not_a_Part SY_JUNK X4Y3_Power_Via_Array 4.60 -7.00 1 180 PVA9_DC2 Not_a_Part SY_JUNK X1Y1_Power_Via_Array 3.60 -2.60 1 90 PVA10_DC2 Not_a_Part SY_JUNK X1Y1_Power_Via_Array 3.10 -9.60 1 90 PVA11_DC2 Not_a_Part SY_JUNK X1Y1_Power_Via_Array 5.30 -9.60 1 90 # # Output Filter Inductor on the MGT_AVCC rail to the Virtex FPGA # L1051 Wurth_7443320068 SY_JUNK Wurth_1210_Ind 12.50 -12.50 1 0 ($G,"$O,$V") (COMPONENT_TYPE,"Array_Grp") # # Additional High Current Connections: # # PVA12 AND PVA13 are at the Input of the Filter Inductor # # PVA14, PVA15, PVA16, PVA17, PVA18 are at the Output of the Filter Inductor # # PVA19 is an additional GND at the Converter Input Capacitors # # PVA20 is an additional GND at by the Tantalum Output Capacitor # # PVA21 is an additional Iso_12V at the Converter Input Capacitors # PVA12_DC2 Not_a_Part SY_JUNK X3Y2_Power_Via_Array 6.80 -16.70 1 0 PVA13_DC2 Not_a_Part SY_JUNK X3Y1_Power_Via_Array 5.35 -12.75 1 90 PVA14_DC2 Not_a_Part SY_JUNK X3Y2_Power_Via_Array 14.50 -12.50 1 90 PVA15_DC2 Not_a_Part SY_JUNK X3Y2_Power_Via_Array 20.40 -12.50 1 90 PVA16_DC2 Not_a_Part SY_JUNK X4Y1_Power_Via_Array 17.50 -9.10 1 0 PVA17_DC2 Not_a_Part SY_JUNK X4Y1_Power_Via_Array 17.50 -15.90 1 0 PVA18_DC2 Not_a_Part SY_JUNK X3Y1_Power_Via_Array 17.50 -17.60 1 0 PVA19_DC2 Not_a_Part SY_JUNK X3Y1_Power_Via_Array -12.85 -1.70 1 0 PVA20_DC2 Not_a_Part SY_JUNK X3Y1_Power_Via_Array -5.10 -12.75 1 90 PVA21_DC2 Not_a_Part SY_JUNK X1Y1_Power_Via_Array -13.90 5.80 1 0 # # Components to allow selection of the Feedback source # points which may be necessary to stabalize the servo # loop with the LC output filter. # # JMP1051 Res_Zero_Ohm_0603 Not_Installed res_0603_1sb 12.00 -5.00 1 270 JMP1052 Res_Zero_Ohm_0603 Not_Installed res_0603_1sb 14.00 -5.00 1 270 JMP1053 Res_Zero_Ohm_0603 Not_Installed res_0603_1sb 12.00 -6.00 2 90 JMP1054 Res_Zero_Ohm_0603 Not_Installed res_0603_1sb 14.00 -6.00 2 90 C1053 Cap_DC2_T_uFd_0805 SY_JUNK cap_0805_1sb 9.20 -5.80 2 90