# # Power Input Net List # ----------------------- # # Initial Rev. 7-Feb-2023 # Current Rev. 3-Mar-2025 # # This net list file contains all of the connections within # the Power Input Filter and within the 100 Volt to 5 Volt # Converter. # # This net list file also assigns net names to all # 16 pins in the Main Cable Connector J1. # # Note that the actual power provided to the module will be # +50V and -50V with respect to the sea water, i.e. a balanced # power feed on the Main Cable. # # Below the +50V is named "Power_Input" and the -50V # is named "Power_Return". # # # Input Power Voltage Clamps - Normal & Common Mode # and Reverse Protection Diode # NET 'Power_Input' TVS1653-1 D1651-1 (NET_TYPE, 'POWER_HV') # Clamp Varistor Normal Mode NET 'Power_Return' TVS1653-2 D1651-2 (NET_TYPE, 'POWER_HV') # Reverse Protection Diode NET 'Power_Input' GDT1651-1 # Clamp Gas Discharge Tube NET 'Pow_In_Clamp' GDT1651-2 TVS1651-1 (NET_TYPE, 'POWER_HV') # and Varistor Power Input NET 'GROUND' TVS1651-2 # Common Mode NET 'Power_Return' GDT1652-1 # Clamp Gas Discharge Tube NET 'Pow_Rtn_Clamp' GDT1652-2 TVS1652-2 (NET_TYPE, 'POWER_HV') # and Varistor Power Return NET 'GROUND' TVS1652-1 # Common Mode # # Power Input Filter Nets # NET 'Power_Input' C1651-2 C1652-2 L1651-1 # Input to the NET 'Power_Return' C1651-1 C1652-1 L1651-4 # Common Mode Choke NET 'Inter_Choke_Pos' L1651-2 C1653-1 (NET_TYPE, 'POWER_HV') # Inter Choke NET 'Inter_Choke_Pos' C1654-2 C1655-2 L1652-2 # Positive NET 'Fltrd_Power_Pos' L1652-1 C1656-2 (NET_TYPE, 'POWER_HV') # Filtered NET 'Fltrd_Power_Pos' C1657-2 C1658-2 # Power NET 'Fltrd_Rtn_Power' L1651-3 C1653-2 (NET_TYPE, 'POWER_HV') # Filtered NET 'Fltrd_Rtn_Power' C1654-1 C1655-1 # Return NET 'Fltrd_Rtn_Power' C1656-1 # Power NET 'Fltrd_Rtn_Power' C1657-1 C1658-1 # # # Power Into the 100 V to 5 V Converter # NET 'Fltrd_Power_Pos' DCDC20-1 # Positive 50 Volt to Converter NET 'Fltrd_Rtn_Power' DCDC20-2 # Negative 50 Volt to Converter # # Remote ON/OFF Control of the 100 V to 5 V Converter # NET 'NO_CONN_dcdc20_pin_6' DCDC20-6 # Float this pin for Always ON # # Output from the 100 V to 5 V Converter # NET 'BULK_5V0' DCDC20-3 # Converter's Positive NET 'BULK_5V0' C1659-2 C1660-2 # Output and Ceramic NET 'BULK_5V0' C1661-2 C1662-2 # Filter Capacitors NET 'GROUND' DCDC20-5 # Converter's Negative NET 'GROUND' C1659-1 C1660-1 # Output and Ceramic NET 'GROUND' C1661-1 C1662-1 # Filter Capacitors # # Voltage Trim Resistors on the 100 V to 5 V Converter # NET 'BULK_5V0' R1652-2 # Resistors to NET 'TRIM_BULK_5V0' R1652-1 DCDC20-4 # Trim the NET 'TRIM_BULK_5V0' R1653-2 # BULK_5V0 NET 'GROUND' R1653-1 # Voltage # # Voltage Monitor Filter on the 100 V to 5 V Converter # NET 'BULK_5V0' R1654-2 # Voltage Monitor NET 'VMON_BULK_5V0' R1654-1 C1663-2 # Filter on the NET 'GROUND' C1663-1 # BULK_5V0 # # Bypass Capacitors on the BULK_5V0 Bus that are # distributed around the card near the inputs # to the step down DCDC Converters # NET 'BULK_5V0' C1665-1 C1666-2 C1667-2 # BULK_5V0 Bus Distributed NET 'BULK_5V0' C1668-1 C1669-2 # Bypass Capacitors NET 'GROUND' C1665-2 C1666-1 C1667-1 # Grounds for the 5V0 Bypass Caps that NET 'GROUND' C1668-2 C1669-1 # are distributed around the DK board # # Assign Net_Names to all Pins on the Main Cable J1 Connector # NET 'NO_CONN_J1_pin_1' J1-1 # Open Guard Around 100V NET 'NO_CONN_J1_pin_2' J1-2 # Open Guard Around 100V NET 'Power_Input' J1-3 # +50 Volt Input Power NET 'NO_CONN_J1_pin_4' J1-4 # Open Guard Around 100V NET 'NO_CONN_J1_pin_5' J1-5 # Open Guard Around 100V NET 'Power_Return' J1-6 # -50 Volt Input Power NET 'NO_CONN_J1_pin_7' J1-7 # Open Guard Around 100V NET 'NO_CONN_J1_pin_8' J1-8 # Open Guard Around 100V NET 'RS485_Common' J1-9 # RS-485 Common Mode NET 'RS485_Common' J1-10 # Signal Down NET 'RS485_DOWN_DIR' J1-11 # Re-Programm RS-485 NET 'RS485_DOWN_CMP' J1-12 # Down NET 'RS485_UP_DIR' J1-13 # Re-Programm RS-485 NET 'RS485_UP_CMP' J1-14 # Up NET 'RS485_Common' J1-15 # RS-485 Common Mode NET 'RS485_Common' J1-16 # Signal Up # # Note: to facilitate pcb routing, that pin J1-17 is # assigned to the "Power_Return" net - and not to the Ground net. # NET 'Power_Return' J1-17 # Mounting Screw Ground NET 'GROUND' J1-18 # Mounting Screw Ground