# # MGT_AVCC Supply # # DCDC 2 Converter Nets # ------------------------- # # # Original Rev. 27-Mar-2015 # Current Rev. 2-Dec-2016 # # # # This file holds all of the nets for DCDC Converter 2. # # This is the MGT_AVCC supply 1.000 V at 20 Amps. # # This Hub Module supply uses a GE_UDT020 converter. # # # Connect the converter's V_Input, Ground, and V_Output terminals: # NET 'ISO_12V' DCDC2-2 NET 'GROUND' DCDC2-4 NET 'MGT_AVCC_pre_L' DCDC2-6 # # Connect this converter's INPUT Via Arays: # NET 'ISO_12V' PVA1_DC2-1 PVA1_DC2-2 PVA1_DC2-3 PVA1_DC2-4 NET 'ISO_12V' PVA1_DC2-5 PVA1_DC2-6 NET 'ISO_12V' PVA2_DC2-1 PVA2_DC2-2 PVA2_DC2-3 PVA2_DC2-4 # # Connect this converter's GROUND and Sync = Ground Via Arays: # NET 'GROUND' PVA3_DC2-1 PVA3_DC2-2 PVA3_DC2-3 PVA3_DC2-4 NET 'GROUND' PVA4_DC2-1 PVA4_DC2-2 PVA4_DC2-3 PVA4_DC2-4 NET 'GROUND' PVA4_DC2-5 PVA4_DC2-6 PVA4_DC2-7 PVA4_DC2-8 NET 'GROUND' PVA4_DC2-9 PVA4_DC2-10 PVA4_DC2-11 PVA4_DC2-12 NET 'GROUND' PVA5_DC2-1 NET 'GROUND' PVA6_DC2-1 NET 'GROUND' PVA7_DC2-1 # # Connect this converter's OUTPUT Via Arays: # NET 'MGT_AVCC_pre_L' PVA8_DC2-1 PVA8_DC2-2 PVA8_DC2-3 PVA8_DC2-4 NET 'MGT_AVCC_pre_L' PVA8_DC2-5 PVA8_DC2-6 PVA8_DC2-7 PVA8_DC2-8 NET 'MGT_AVCC_pre_L' PVA8_DC2-9 PVA8_DC2-10 PVA8_DC2-11 PVA8_DC2-12 NET 'MGT_AVCC_pre_L' PVA9_DC2-1 NET 'MGT_AVCC_pre_L' PVA10_DC2-1 NET 'MGT_AVCC_pre_L' PVA11_DC2-1 # # Connect this converter's INPUT Filter: # NET 'ISO_12V' C1061-1 C1062-1 C1063-1 C1064-1 NET 'GROUND' C1061-2 C1062-2 C1063-2 C1064-2 NET 'ISO_12V' C1065-1 C1066-1 NET 'GROUND' C1065-2 C1066-2 # # Connect this converter's OUTPUT Filter # and connect the Output Filter Choke: # NET 'MGT_AVCC_pre_L' C1071-1 C1072-1 C1073-1 C1074-1 C1078-1 NET 'GROUND' C1071-2 C1072-2 C1073-2 C1074-2 C1078-2 NET 'MGT_AVCC_pre_L' C1075-1 C1076-1 NET 'GROUND' C1075-2 C1076-2 NET 'MGT_AVCC_pre_L' C1077-1 NET 'GROUND' C1077-2 NET 'MGT_AVCC_pre_L' L1051-1 NET 'MGT_AVCC' L1051-2 NET 'MGT_AVCC' DZ1051-1 NET 'GROUND' DZ1051-2 # # Ground this converter's unused SYNC terminal: # NET 'GROUND' DCDC2-10 # # Connect the ON_OFF and POWER_GOOD terminals: # # Recall: The ON_OFF pin is Low active, i.e. voltage low --> ON. # The POWER_GOOD is a common open drain signal # NET 'DCDC_2_OFF_ON' DCDC2-1 NET 'DCDC_2_POWER_GOOD' DCDC2-9 # # Connect the RAMP_SEQUENCE terminal: # # Recall: # # The output voltage tracks the scaled Vseq up to set point. # R1055 is the 20k Ohm series resistor. # R1056 is the scale shunt resistor to ground. NET 'CONVERTER_RAMP' R1055-2 NET 'DCDC2_RAMP_SEQUENCE' R1055-1 R1056-2 C1052-2 DCDC2-3 NET 'DCDC2_SIG_GND' R1056-1 C1052-1 # # Connect this converter's Output Voltage Control resistor # between the TRIM and SIG_GND terminals: # NET 'DCDC2_TRIM' DCDC2-5 R1052-2 NET 'DCDC2_SIG_GND' DCDC2-14 R1052-1 # # Connect this conberter's Feedback Source Point # Select Jumpers to the two possible feedback # source points. # NET 'MGT_AVCC_pre_L' JMP1051-2 JMP1053-1 NET 'MGT_AVCC' JMP1052-2 JMP1054-1 # # Connect this converter's Differential Amp # Remote Sense input terminals V_SENSE_PLUS # and V_SENSE_MINUS: # NET 'DCDC2_DIFF_FDBK' DCDC2-7 JMP1051-1 JMP1052-1 NET 'GROUND' DCDC2-8 # # Connect this converter's Servo Loop RC components # between the Feedback Source Point Select Jumpers # and its TRIM terminal: # NET 'DCDC2_RC_FDBK' C1051-2 JMP1053-2 JMP1054-2 NET 'DCDC2_LOOP_RC' C1051-1 R1051-1 NET 'DCDC2_TRIM' R1051-2 # # Connect this converter's direct capacitor feedback # from before the LC filter to its "Trim" input. # NET 'MGT_AVCC_pre_L' C1053-1 NET 'DCDC2_TRIM' C1053-2 # # Connect the PMBus to this converter and set its address # using the PMBUS_CLK, PMBUS_DATA, SMB_ALERT, ADRS0 # and ADRS1 terminals: # NET 'Hub_PMBus_SCL' DCDC2-11 NET 'Hub_PMBus_SDA' DCDC2-12 NET 'Hubs_SMB_Alert_B' DCDC2-13 NET 'DCDC2_ADRS_0' DCDC2-16 R1053-1 NET 'DCDC2_ADRS_1' DCDC2-15 R1054-1 NET 'DCDC2_SIG_GND' R1053-2 R1054-2 # # Connections to the PVAs Added during routing: # NET 'MGT_AVCC_Pre_L' PVA12_DC2-1 PVA12_DC2-2 PVA12_DC2-3 NET 'MGT_AVCC_Pre_L' PVA12_DC2-4 PVA12_DC2-5 PVA12_DC2-6 NET 'MGT_AVCC_Pre_L' PVA13_DC2-1 PVA13_DC2-2 PVA13_DC2-3 NET 'MGT_AVCC' PVA14_DC2-1 PVA14_DC2-2 PVA14_DC2-3 NET 'MGT_AVCC' PVA14_DC2-4 PVA14_DC2-5 PVA14_DC2-6 NET 'MGT_AVCC' PVA15_DC2-1 PVA15_DC2-2 PVA15_DC2-3 NET 'MGT_AVCC' PVA15_DC2-4 PVA15_DC2-5 PVA15_DC2-6 NET 'MGT_AVCC' PVA16_DC2-1 PVA16_DC2-2 PVA16_DC2-3 PVA16_DC2-4 NET 'MGT_AVCC' PVA17_DC2-1 PVA17_DC2-2 PVA17_DC2-3 PVA17_DC2-4 NET 'MGT_AVCC' PVA18_DC2-1 PVA18_DC2-2 PVA18_DC2-3 NET 'GROUND' PVA19_DC2-1 PVA19_DC2-2 PVA19_DC2-3 NET 'GROUND' PVA20_DC2-1 PVA20_DC2-2 PVA20_DC2-3 NET 'ISO_12V' PVA21_DC2-1