EESchema Schematic File Version 4 LIBS:nixie_bottom_board-cache EELAYER 26 0 EELAYER END $Descr USLetter 11000 8500 encoding utf-8 Sheet 1 2 Title "Bottom PCB" Date "" Rev "A" Comp "Nixie Tube Clock" Comment1 "https://0x7d.com/2017/nixie-tube-clock" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Sheet S 8200 1550 650 400 U 5B07197A F0 "HV Power Supply" 60 F1 "hv_power_supply.sch" 60 F2 "VIN" I L 8200 1650 60 F3 "EN" I L 8200 1750 60 F4 "GND" I L 8200 1850 60 F5 "VOUT" I R 8850 1650 60 F6 "GND" I R 8850 1750 60 $EndSheet Text Label 6800 5850 0 60 ~ 0 VDD Text Label 6800 5250 0 60 ~ 0 SWDIO Text Label 6800 5150 0 60 ~ 0 SWCLK Text Label 6800 4950 0 60 ~ 0 SWO Text Label 3850 4450 0 60 ~ 0 SWO Text Label 3850 4250 0 60 ~ 0 SWCLK Text Label 3850 4350 0 60 ~ 0 SWDIO Text Label 3350 4450 2 60 ~ 0 NRST Text Label 6800 5450 0 60 ~ 0 USB_N Text Label 6800 5350 0 60 ~ 0 USB_P Text Label 3850 5650 0 60 ~ 0 SCL Text Label 3850 5750 0 60 ~ 0 SDA Text Label 3350 4900 2 60 ~ 0 HV_OUT Text Label 3350 5550 2 60 ~ 0 VNIXIE Text Label 5400 5350 2 60 ~ 0 DAC Text Label 6800 5650 0 60 ~ 0 SCL Text Label 6800 5550 0 60 ~ 0 SDA Text Label 8100 1750 2 60 ~ 0 HV_EN $Comp L Device:R R2 U 1 1 5B08854F P 7150 4250 F 0 "R2" V 7230 4250 50 0000 C CNN F 1 "1M" V 7050 4250 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 7080 4250 50 0001 C CNN F 3 "" H 7150 4250 50 0001 C CNN 1 7150 4250 -1 0 0 1 $EndComp Text Label 8950 1650 0 60 ~ 0 HV_OUT Text Label 5400 5050 2 60 ~ 0 HV_EN Text Label 2300 1850 0 60 ~ 0 CC1 Text Label 2300 1950 0 60 ~ 0 CC2 Text Label 2300 2150 0 60 ~ 0 USB_N Text Label 2300 2450 0 60 ~ 0 USB_P $Comp L Device:R R1 U 1 1 5B096154 P 3150 3250 F 0 "R1" V 3230 3250 50 0000 C CNN F 1 "900k" V 3050 3250 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 3080 3250 50 0001 C CNN F 3 "" H 3150 3250 50 0001 C CNN 1 3150 3250 -1 0 0 1 $EndComp Text Label 3100 3450 2 60 ~ 0 VBUS Text Label 4400 3300 0 60 ~ 0 SCL Text Label 4400 3400 0 60 ~ 0 SDA $Comp L Device:R R4 U 1 1 5B0B7874 P 7300 5350 F 0 "R4" V 7380 5350 50 0000 C CNN F 1 "10k" V 7200 5350 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 7230 5350 50 0001 C CNN F 3 "" H 7300 5350 50 0001 C CNN 1 7300 5350 -1 0 0 1 $EndComp $Comp L Device:R R5 U 1 1 5B0B79AE P 7600 5350 F 0 "R5" V 7680 5350 50 0000 C CNN F 1 "10k" V 7500 5350 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 7530 5350 50 0001 C CNN F 3 "" H 7600 5350 50 0001 C CNN 1 7600 5350 -1 0 0 1 $EndComp Text Notes 3700 3550 0 60 ~ 0 ADDR: 0x47 Text Notes 3200 6050 0 60 ~ 0 ADDR: 0x70-0x73 Text Label 5400 4350 2 60 ~ 0 VDD Text Label 5400 4750 2 60 ~ 0 VDD Text Label 4400 2900 0 60 ~ 0 VDD Text Label 3350 4250 2 60 ~ 0 VDD Text Label 6500 2700 0 60 ~ 0 VDD $Comp L Device:L_Small L1 U 1 1 5B16755A P 5350 2800 F 0 "L1" H 5380 2840 50 0000 L CNN F 1 "1uH" H 5380 2760 50 0000 L CNN F 2 "Custom Parts:Inductor_4.1x4.1mm" H 5350 2800 50 0001 C CNN F 3 "" H 5350 2800 50 0001 C CNN 1 5350 2800 -1 0 0 1 $EndComp Text Label 9100 4050 0 60 ~ 0 VDD Text Label 8300 4250 2 60 ~ 0 DAC Text Label 8300 4050 2 60 ~ 0 VNIXIE Text Label 9100 4250 0 60 ~ 0 VNIXIE Wire Wire Line 3500 3000 3400 3000 Wire Wire Line 3400 2900 3500 2900 Wire Wire Line 8950 1750 8850 1750 Wire Wire Line 8200 1850 8100 1850 Wire Wire Line 5600 2700 5350 2700 Wire Wire Line 8100 1750 8200 1750 $Comp L Custom_Parts:STM32L432K U2 U 1 1 5B622DF7 P 6100 5100 F 0 "U2" H 6100 6097 60 0000 C CNN F 1 "STM32L432K" H 6100 5991 60 0000 C CNN F 2 "Housings_DFN_QFN:QFN-32-1EP_5x5mm_Pitch0.5mm" H 6100 5550 60 0001 C CNN F 3 "" H 6100 5550 60 0001 C CNN 1 6100 5100 1 0 0 -1 $EndComp $Comp L Connector:Conn_01x01_Female J5 U 1 1 5B649686 P 8600 4750 F 0 "J5" H 8627 4776 50 0000 L CNN F 1 "MCO" H 8627 4685 50 0000 L CNN F 2 "Measurement_Points:Measurement_Point_Round-SMD-Pad_Small" H 8600 4750 50 0001 C CNN F 3 "~" H 8600 4750 50 0001 C CNN 1 8600 4750 1 0 0 -1 $EndComp $Comp L Switch:SW_Push SW1 U 1 1 5B64A44F P 4900 4750 F 0 "SW1" H 4900 5035 50 0000 C CNN F 1 "NRST" H 4900 4944 50 0000 C CNN F 2 "Custom Parts:EVQP2" H 4900 4950 50 0001 C CNN F 3 "" H 4900 4950 50 0001 C CNN 1 4900 4750 1 0 0 -1 $EndComp $Comp L Connector_Generic:Conn_02x03_Odd_Even J2 U 1 1 5B693D84 P 3550 4350 F 0 "J2" H 3600 4667 50 0000 C CNN F 1 "SWD" H 3600 4576 50 0000 C CNN F 2 "Tag Connect:TC2030-MCP-NL" H 3550 4350 50 0001 C CNN F 3 "~" H 3550 4350 50 0001 C CNN 1 3550 4350 1 0 0 -1 $EndComp $Comp L Connector_Generic:Conn_02x03_Odd_Even J3 U 1 1 5B6941D3 P 3550 5000 F 0 "J3" H 3600 5317 50 0000 C CNN F 1 "Nixie_HV" H 3600 5226 50 0000 C CNN F 2 "Custom Parts:Pin_Header_Harwin_2x03_Pitch2.00mm" H 3550 5000 50 0001 C CNN F 3 "~" H 3550 5000 50 0001 C CNN 1 3550 5000 1 0 0 -1 $EndComp $Comp L Connector_Generic:Conn_02x03_Odd_Even J4 U 1 1 5B694500 P 3550 5650 F 0 "J4" H 3600 5967 50 0000 C CNN F 1 "Nixie_CTRL" H 3600 5876 50 0000 C CNN F 2 "Custom Parts:Pin_Header_Harwin_2x03_Pitch2.00mm" H 3550 5650 50 0001 C CNN F 3 "~" H 3550 5650 50 0001 C CNN 1 3550 5650 1 0 0 -1 $EndComp $Comp L Custom_Parts:ESD122 D2 U 1 1 5B916041 P 4050 1600 F 0 "D2" H 4050 1965 50 0000 C CNN F 1 "ESD122" H 4050 1874 50 0000 C CNN F 2 "Custom Parts:DMX0003A" H 4050 1600 50 0001 C CNN F 3 "" H 4050 1600 50 0001 C CNN 1 4050 1600 1 0 0 -1 $EndComp Text Label 3400 3000 2 60 ~ 0 CC1 Text Label 3400 2900 2 60 ~ 0 CC2 Text Label 3700 1700 2 60 ~ 0 CC2 Text Label 3700 1500 2 60 ~ 0 CC1 Wire Wire Line 8100 1650 8200 1650 $Comp L Custom_Parts:ESD122 D3 U 1 1 5BA1CDBE P 4050 2300 F 0 "D3" H 4050 2665 50 0000 C CNN F 1 "ESD122" H 4050 2574 50 0000 C CNN F 2 "Custom Parts:DMX0003A" H 4050 2300 50 0001 C CNN F 3 "" H 4050 2300 50 0001 C CNN 1 4050 2300 1 0 0 -1 $EndComp Text Label 3700 2400 2 60 ~ 0 USB_N Text Label 3700 2200 2 60 ~ 0 USB_P $Comp L Device:D D1 U 1 1 5B902F50 P 2850 1650 F 0 "D1" H 2850 1866 50 0000 C CNN F 1 "D_VBUS" H 2850 1775 50 0000 C CNN F 2 "Custom Parts:X1SON" H 2850 1650 50 0001 C CNN F 3 "~" H 2850 1650 50 0001 C CNN 1 2850 1650 1 0 0 -1 $EndComp $Comp L Device:Battery_Cell BT1 U 1 1 5BA7F4A1 P 9450 3050 F 0 "BT1" H 9568 3146 50 0000 L CNN F 1 "CR1620" H 9568 3055 50 0000 L CNN F 2 "Custom Parts:CR1220_Holder" V 9450 3110 50 0001 C CNN F 3 "~" V 9450 3110 50 0001 C CNN 1 9450 3050 1 0 0 -1 $EndComp $Comp L Custom_Parts:DS3231 U4 U 1 1 5BAADC28 P 8700 3000 F 0 "U4" H 8700 3575 50 0000 C CNN F 1 "DS3231" H 8700 3484 50 0000 C CNN F 2 "Housings_SOIC:SOIC-16W_7.5x10.3mm_Pitch1.27mm" H 8700 3000 50 0001 C CNN F 3 "" H 8700 3000 50 0001 C CNN 1 8700 3000 1 0 0 -1 $EndComp Text Label 9150 2750 0 60 ~ 0 SDA Text Label 9150 2650 0 60 ~ 0 SCL Text Label 8250 2750 2 60 ~ 0 VDD Text Label 6500 3300 0 60 ~ 0 VBUS Text Label 8100 1650 2 60 ~ 0 HV_IN $Comp L Custom_Parts:TPS2595x0 U7 U 1 1 5BA21006 P 6100 1800 F 0 "U7" H 6100 2175 50 0000 C CNN F 1 "TPS2595x0" H 6100 2084 50 0000 C CNN F 2 "Housings_SON:WSON-8_1EP_2x2mm_Pitch0.5mm" H 6100 1800 50 0001 C CNN F 3 "" H 6100 1800 50 0001 C CNN 1 6100 1800 1 0 0 -1 $EndComp Text Label 6550 1950 0 60 ~ 0 HV_IN $Comp L Device:R R14 U 1 1 5BA6BB6E P 6900 1600 F 0 "R14" V 6980 1600 50 0000 C CNN F 1 "680" V 6800 1600 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 6830 1600 50 0001 C CNN F 3 "" H 6900 1600 50 0001 C CNN 1 6900 1600 -1 0 0 1 $EndComp Text Label 6550 1850 0 60 ~ 0 FAULT Text Label 5400 5150 2 60 ~ 0 FAULT Text Label 8250 2850 2 60 ~ 0 RTC Text Label 6800 4750 0 60 ~ 0 RTC Text Label 8250 2650 2 60 ~ 0 32kHz Text Label 5400 4450 2 60 ~ 0 32kHz Text Label 3500 3400 2 60 ~ 0 USB Text Label 5400 4650 2 60 ~ 0 NRST Text Label 2300 2650 0 60 ~ 0 GND Text Label 4400 1600 0 60 ~ 0 GND Text Label 4400 2300 0 60 ~ 0 GND Text Label 4400 3000 0 60 ~ 0 GND Text Label 4400 3100 0 60 ~ 0 GND Text Label 5700 2300 0 60 ~ 0 GND Text Label 6550 1650 0 60 ~ 0 GND Text Label 6900 1450 0 60 ~ 0 GND Text Label 8100 1850 2 60 ~ 0 GND Text Label 8950 1750 0 60 ~ 0 GND Text Label 8300 4150 2 60 ~ 0 GND Text Label 6500 3100 0 60 ~ 0 GND Text Label 5600 2800 2 60 ~ 0 GND Wire Wire Line 5350 2900 5600 2900 Text Label 6800 4350 0 60 ~ 0 GND Text Label 7150 4100 2 60 ~ 0 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0 "U3" H 6050 3300 60 0000 C CNN F 1 "TPS63025X" H 6050 3200 60 0000 C CNN F 2 "Custom Parts:VQFN-14_2.5x3mm_Pitch0.5mm" H 6050 2900 50 0001 C CNN F 3 "" H 6050 2900 60 0001 C CNN 1 6050 2900 1 0 0 -1 $EndComp Text Label 6500 2800 0 60 ~ 0 VDD Text Label 6500 2900 0 60 ~ 0 VDD Text Label 6950 2700 0 60 ~ 0 VDD Text Label 6500 3200 0 60 ~ 0 GND Text Label 5650 1850 2 60 ~ 0 VBUS Text Label 5650 1950 2 60 ~ 0 VBUS $Comp L Device:R R15 U 1 1 5BB93CD7 P 7000 2000 F 0 "R15" V 7080 2000 50 0000 C CNN F 1 "20k" V 6900 2000 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 6930 2000 50 0001 C CNN F 3 "" H 7000 2000 50 0001 C CNN 1 7000 2000 -1 0 0 1 $EndComp Text Label 7100 1750 0 60 ~ 0 ILM Text Label 5400 4850 2 60 ~ 0 ILM Text Label 6800 4850 0 60 ~ 0 USB $Comp L Device:R R3 U 1 1 5BB9C8D3 P 3250 3550 F 0 "R3" V 3330 3550 50 0000 C CNN F 1 "20k" V 3150 3550 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 3180 3550 50 0001 C CNN F 3 "" H 3250 3550 50 0001 C CNN 1 3250 3550 -1 0 0 1 $EndComp Text Label 3300 3750 0 60 ~ 0 VDD $Comp L Device:C C2 U 1 1 5BB9F4F9 P 5650 2100 F 0 "C2" H 5535 2054 50 0000 R CNN F 1 "0.1uF" H 5535 2145 50 0000 R CNN F 2 "Capacitors_SMD:C_0603" H 5688 1950 50 0001 C CNN F 3 "~" H 5650 2100 50 0001 C CNN 1 5650 2100 1 0 0 -1 $EndComp $Comp L Device:C C3 U 1 1 5BBA0E2E P 5600 3450 F 0 "C3" H 5485 3404 50 0000 R CNN F 1 "10uF" H 5485 3495 50 0000 R CNN F 2 "Capacitors_SMD:C_0603" H 5638 3300 50 0001 C CNN F 3 "~" H 5600 3450 50 0001 C CNN 1 5600 3450 1 0 0 -1 $EndComp Text Label 9150 2950 0 60 ~ 0 GND Text Label 9500 3200 0 60 ~ 0 GND $Comp L Device:C C11 U 1 1 5BBA5067 P 7200 3000 F 0 "C11" H 7085 2954 50 0000 R CNN F 1 "220uF" H 7085 3045 50 0000 R CNN F 2 "Capacitors_Tantalum_SMD:CP_Tantalum_Case-B_EIA-3528-21_Reflow" H 7238 2850 50 0001 C CNN F 3 "~" H 7200 3000 50 0001 C CNN 1 7200 3000 -1 0 0 1 $EndComp $Comp L Device:C C13 U 1 1 5BBA50C7 P 4650 4200 F 0 "C13" H 4535 4154 50 0000 R CNN F 1 "4.7uF" H 4535 4245 50 0000 R CNN F 2 "Capacitors_SMD:C_0603" H 4688 4050 50 0001 C CNN F 3 "~" H 4650 4200 50 0001 C CNN 1 4650 4200 -1 0 0 1 $EndComp $Comp L Device:C C12 U 1 1 5BBA51A2 P 5050 4050 F 0 "C12" H 4935 4004 50 0000 R CNN F 1 "0.1uF" H 4935 4095 50 0000 R CNN F 2 "Capacitors_SMD:C_0603" H 5088 3900 50 0001 C CNN F 3 "~" H 5050 4050 50 0001 C CNN 1 5050 4050 -1 0 0 1 $EndComp $Comp L Custom_Parts:AD8591 U5 U 1 1 5BBE6227 P 8700 4150 F 0 "U5" H 8700 4475 50 0000 C CNN F 1 "AD8591" H 8700 4384 50 0000 C CNN F 2 "TO_SOT_Packages_SMD:SOT-23-6" H 8700 4150 50 0001 C CNN F 3 "" H 8700 4150 50 0001 C CNN 1 8700 4150 1 0 0 -1 $EndComp Text Label 9100 4150 0 60 ~ 0 AMP_EN $Comp L Device:C C1 U 1 1 5BA4D5A1 P 6550 2100 F 0 "C1" H 6435 2054 50 0000 R CNN F 1 "330uF" H 6435 2145 50 0000 R CNN F 2 "Capacitors_Tantalum_SMD:CP_Tantalum_Case-X_EIA-7343-43_Reflow" H 6588 1950 50 0001 C CNN F 3 "~" H 6550 2100 50 0001 C CNN 1 6550 2100 -1 0 0 1 $EndComp $Comp L Mechanical:MountingHole_Pad MH1 U 1 1 5BA440F1 P 1750 4900 F 0 "MH1" V 1704 5050 50 0000 L CNN F 1 "MountingHole_Pad" V 1795 5050 50 0000 L CNN F 2 "Custom Parts:MountingHole_2.5mm_Pad_Via" H 1750 4900 50 0001 C CNN F 3 "~" H 1750 4900 50 0001 C CNN 1 1750 4900 0 1 1 0 $EndComp $Comp L Mechanical:MountingHole_Pad MH2 U 1 1 5BA441AA P 1750 5100 F 0 "MH2" V 1704 5250 50 0000 L CNN F 1 "MountingHole_Pad" V 1795 5250 50 0000 L CNN F 2 "Custom Parts:MountingHole_2.5mm_Pad_Via" H 1750 5100 50 0001 C CNN F 3 "~" H 1750 5100 50 0001 C CNN 1 1750 5100 0 1 1 0 $EndComp $Comp L Mechanical:MountingHole_Pad MH3 U 1 1 5BA44208 P 1750 5300 F 0 "MH3" V 1704 5450 50 0000 L CNN F 1 "MountingHole_Pad" V 1795 5450 50 0000 L CNN F 2 "Custom Parts:MountingHole_2.5mm_Pad_Via" H 1750 5300 50 0001 C CNN F 3 "~" H 1750 5300 50 0001 C CNN 1 1750 5300 0 1 1 0 $EndComp $Comp L Mechanical:MountingHole_Pad MH4 U 1 1 5BA44262 P 1750 5500 F 0 "MH4" V 1704 5650 50 0000 L CNN F 1 "MountingHole_Pad" V 1795 5650 50 0000 L CNN F 2 "Custom Parts:MountingHole_2.5mm_Pad_Via" H 1750 5500 50 0001 C CNN F 3 "~" H 1750 5500 50 0001 C CNN 1 1750 5500 0 1 1 0 $EndComp $Comp L Mechanical:MountingHole_Pad MH5 U 1 1 5BA442D8 P 1750 5700 F 0 "MH5" V 1704 5850 50 0000 L CNN F 1 "MountingHole_Pad" V 1795 5850 50 0000 L CNN F 2 "Mounting_Holes:MountingHole_2.5mm_Pad_Via" H 1750 5700 50 0001 C CNN F 3 "~" H 1750 5700 50 0001 C CNN 1 1750 5700 0 1 1 0 $EndComp $Comp L Mechanical:MountingHole_Pad MH6 U 1 1 5BA44348 P 1750 5900 F 0 "MH6" V 1704 6050 50 0000 L CNN F 1 "MountingHole_Pad" V 1795 6050 50 0000 L CNN F 2 "Mounting_Holes:MountingHole_2.5mm_Pad_Via" H 1750 5900 50 0001 C CNN F 3 "~" H 1750 5900 50 0001 C CNN 1 1750 5900 0 1 1 0 $EndComp Text Label 1650 4900 2 60 ~ 0 GND Text Label 1650 5100 2 60 ~ 0 GND Text Label 1650 5300 2 60 ~ 0 GND Text Label 1650 5500 2 60 ~ 0 GND Text Label 1650 5700 2 60 ~ 0 GND Text Label 1650 5900 2 60 ~ 0 GND $Comp L Device:R R16 U 1 1 5BA5D464 P 6900 2850 F 0 "R16" V 6980 2850 50 0000 C CNN F 1 "560k" V 6800 2850 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 6830 2850 50 0001 C CNN F 3 "" H 6900 2850 50 0001 C CNN 1 6900 2850 -1 0 0 1 $EndComp $Comp L Device:R R17 U 1 1 5BA5D560 P 6900 3150 F 0 "R17" V 6980 3150 50 0000 C CNN F 1 "180k" V 6800 3150 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 6830 3150 50 0001 C CNN F 3 "" H 6900 3150 50 0001 C CNN 1 6900 3150 -1 0 0 1 $EndComp Text Label 6950 3350 0 60 ~ 0 GND Wire Wire Line 6900 3300 6900 3350 Wire Wire Line 6900 3000 6500 3000 Connection ~ 6900 3000 Text Label 3350 5750 2 60 ~ 0 NIXIE_EN Text Label 5400 5550 2 60 ~ 0 NIXIE_EN $Comp L Switch:SW_Push SW2 U 1 1 5BA5FF24 P 7400 4450 F 0 "SW2" H 7400 4735 50 0000 C CNN F 1 "DFU" H 7400 4644 50 0000 C CNN F 2 "Custom Parts:EVQP2" H 7400 4650 50 0001 C CNN F 3 "" H 7400 4650 50 0001 C CNN 1 7400 4450 1 0 0 -1 $EndComp Wire Wire Line 7200 4450 7150 4450 Wire Wire Line 7150 4450 6800 4450 Connection ~ 7150 4450 Text Label 7600 4450 0 60 ~ 0 VDD Text Label 4750 3900 0 60 ~ 0 GND NoConn ~ 5400 4550 Wire Wire Line 2300 1650 2700 1650 Text Label 6500 2300 2 60 ~ 0 GND Wire Wire Line 6900 2700 7200 2700 Wire Wire Line 7200 2700 7200 2850 Wire Wire Line 7200 3150 7200 3350 Wire Wire Line 6900 3350 7200 3350 Wire Wire Line 4650 4350 5050 4350 Wire Wire Line 5050 4200 5050 4350 Connection ~ 5050 4350 Wire Wire Line 5050 4350 5400 4350 Wire Wire Line 4650 3900 4650 4050 Wire Wire Line 5600 3600 5600 3650 Wire Wire Line 5600 3650 5650 3650 Text Label 5650 3650 0 60 ~ 0 GND Wire Wire Line 6800 5550 7300 5550 Wire Wire Line 7300 5550 7300 5500 Wire Wire Line 6800 5650 7600 5650 Wire Wire Line 7600 5650 7600 5500 Text Label 7300 5200 0 60 ~ 0 VDD Text Label 7600 5200 0 60 ~ 0 VDD Wire Wire Line 6550 1750 6900 1750 Wire Wire Line 6550 1850 7000 1850 Wire Wire Line 7000 2150 7000 2200 Wire Wire Line 7000 2200 7050 2200 Text Label 7050 2200 0 60 ~ 0 VDD Wire Wire Line 3500 3400 3250 3400 Wire Wire Line 3250 3700 3250 3750 Wire Wire Line 3250 3750 3300 3750 Text Label 3000 1650 0 60 ~ 0 GND Wire Wire Line 9150 2850 9450 2850 Wire Wire Line 9450 3150 9450 3200 Wire Wire Line 9450 3200 9500 3200 Text Label 4700 4750 2 60 ~ 0 GND $Comp L Device:R R18 U 1 1 5BAE3A6C P 7800 2600 F 0 "R18" V 7880 2600 50 0000 C CNN F 1 "10k" V 7700 2600 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 7730 2600 50 0001 C CNN F 3 "" H 7800 2600 50 0001 C CNN 1 7800 2600 -1 0 0 1 $EndComp Text Label 8250 2950 2 60 ~ 0 NRST $Comp L Device:R R19 U 1 1 5BAE5355 P 7800 2900 F 0 "R19" V 7880 2900 50 0000 C CNN F 1 "20k" V 7700 2900 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 7730 2900 50 0001 C CNN F 3 "" H 7800 2900 50 0001 C CNN 1 7800 2900 -1 0 0 1 $EndComp Wire Wire Line 8250 2650 7950 2650 Wire Wire Line 7950 2650 7950 2450 Wire Wire Line 7950 2450 7800 2450 Wire Wire Line 8250 2850 7950 2850 Wire Wire Line 7950 2850 7950 3050 Wire Wire Line 7950 3050 7800 3050 Wire Wire Line 8250 2750 7800 2750 Connection ~ 7800 2750 $Comp L Custom_Parts:TUSB322 U1 U 1 1 5BAF8A3A P 3950 3000 F 0 "U1" H 3950 3325 50 0000 C CNN F 1 "TUSB322" H 3950 3234 50 0000 C CNN F 2 "Custom Parts:X2QFN-12_1.6x1.6mm_Pitch0.4mm" H 3950 3000 50 0001 C CNN F 3 "" H 3950 3000 50 0001 C CNN 1 3950 3000 1 0 0 -1 $EndComp Wire Wire Line 3500 3100 3150 3100 NoConn ~ 3500 3200 Text Label 3500 3300 2 60 ~ 0 GND NoConn ~ 4400 3200 Wire Wire Line 3150 3400 3150 3450 Wire Wire Line 3150 3450 3100 3450 Connection ~ 6900 1750 Text Label 5400 5750 2 60 ~ 0 AMP_EN $Comp L Device:C C15 U 1 1 5BB2A736 P 7050 6000 F 0 "C15" H 6935 5954 50 0000 R CNN F 1 "0.1uF" H 6935 6045 50 0000 R CNN F 2 "Capacitors_SMD:C_0603" H 7088 5850 50 0001 C CNN F 3 "~" H 7050 6000 50 0001 C CNN 1 7050 6000 -1 0 0 1 $EndComp Wire Wire Line 7050 5850 6800 5850 Wire Wire Line 7050 6150 7050 6200 Wire Wire Line 7050 6200 7000 6200 Text Label 7000 6200 2 60 ~ 0 GND Text Label 5650 1750 2 60 ~ 0 HV_EN $Comp L Device:R R12 U 1 1 5BB3910C P 5250 1600 F 0 "R12" V 5330 1600 50 0000 C CNN F 1 "20k" V 5150 1600 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 5180 1600 50 0001 C CNN F 3 "" H 5250 1600 50 0001 C CNN 1 5250 1600 -1 0 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