EESchema Schematic File Version 4 EELAYER 26 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L MCU_ST_STM32F0:STM32F030F4Px U2 U 1 1 5C1966AA P 3300 4850 F 0 "U2" H 3600 5500 50 0000 C CNN F 1 "STM32F030F4P6" H 3800 5600 50 0000 C CNN F 2 "Housings_SSOP:TSSOP-20_4.4x6.5mm_Pitch0.65mm" H 2900 4150 50 0001 R CNN F 3 "http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00088500.pdf" H 3300 4850 50 0001 C CNN 1 3300 4850 1 0 0 -1 $EndComp $Comp L Regulator_Linear:AP1117-33 U1 U 1 1 5C19682A P 7050 1650 F 0 "U1" H 7050 1892 50 0000 C CNN F 1 "AP1117-33" H 7050 1801 50 0000 C CNN F 2 "TO_SOT_Packages_SMD:SOT-223-3Lead_TabPin2" H 7050 1850 50 0001 C CNN F 3 "http://www.diodes.com/datasheets/AP1117.pdf" H 7150 1400 50 0001 C CNN 1 7050 1650 1 0 0 -1 $EndComp $Comp L Connector_Generic:Conn_01x02 J1 U 1 1 5C196961 P 2500 1800 F 0 "J1" H 2650 1750 50 0000 C CNN F 1 "top left" H 2420 1566 50 0000 C CNN F 2 "footprints:led_tape_3528_2835" H 2500 1800 50 0001 C CNN F 3 "~" H 2500 1800 50 0001 C CNN 1 2500 1800 -1 0 0 1 $EndComp $Comp L Connector_Generic:Conn_01x02 J2 U 1 1 5C196B9D P 2500 2200 F 0 "J2" H 2650 2150 50 0000 C CNN F 1 "top right" H 2420 1966 50 0000 C CNN F 2 "footprints:led_tape_3528_2835" H 2500 2200 50 0001 C CNN F 3 "~" H 2500 2200 50 0001 C CNN 1 2500 2200 -1 0 0 1 $EndComp $Comp L Connector_Generic:Conn_01x02 J3 U 1 1 5C196C4D P 2500 2600 F 0 "J3" H 2650 2550 50 0000 C CNN F 1 "bottom right" H 2420 2366 50 0000 C CNN F 2 "footprints:led_tape_3528_2835" H 2500 2600 50 0001 C CNN F 3 "~" H 2500 2600 50 0001 C CNN 1 2500 2600 -1 0 0 1 $EndComp $Comp L Connector_Generic:Conn_01x02 J4 U 1 1 5C196D8E P 2500 3000 F 0 "J4" H 2650 2950 50 0000 C CNN F 1 "bottom left" H 2420 2766 50 0000 C CNN F 2 "footprints:led_tape_3528_2835" H 2500 3000 50 0001 C CNN F 3 "~" H 2500 3000 50 0001 C CNN 1 2500 3000 -1 0 0 1 $EndComp $Comp L Device:D_Schottky D1 U 1 1 5C1985B1 P 4850 1900 F 0 "D1" V 4804 1821 50 0000 R CNN F 1 "SS510" V 4895 1821 50 0000 R CNN F 2 "Diodes_SMD:D_SMB_Handsoldering" H 4850 1900 50 0001 C CNN F 3 "~" H 4850 1900 50 0001 C CNN 1 4850 1900 0 -1 1 0 $EndComp $Comp L Device:D_Schottky D3 U 1 1 5C19926C P 4850 2400 F 0 "D3" V 4804 2321 50 0000 R CNN F 1 "SS510" V 4895 2321 50 0000 R CNN F 2 "Diodes_SMD:D_SMB_Handsoldering" H 4850 2400 50 0001 C CNN F 3 "~" H 4850 2400 50 0001 C CNN 1 4850 2400 0 -1 1 0 $EndComp $Comp L Device:D_Schottky D2 U 1 1 5C199CCC P 5250 1900 F 0 "D2" V 5204 1821 50 0000 R CNN F 1 "SS510" V 5295 1821 50 0000 R CNN F 2 "Diodes_SMD:D_SMB_Handsoldering" H 5250 1900 50 0001 C CNN F 3 "~" H 5250 1900 50 0001 C CNN 1 5250 1900 0 -1 1 0 $EndComp $Comp L Device:D_Schottky D4 U 1 1 5C199DAE P 5250 2400 F 0 "D4" V 5204 2321 50 0000 R CNN F 1 "SS510" V 5295 2321 50 0000 R CNN F 2 "Diodes_SMD:D_SMB_Handsoldering" H 5250 2400 50 0001 C CNN F 3 "~" H 5250 2400 50 0001 C CNN 1 5250 2400 0 -1 1 0 $EndComp Wire Wire Line 6750 1650 6500 1650 Wire Wire Line 4850 1650 4850 1750 Wire Wire Line 5250 1750 5250 1650 Connection ~ 5250 1650 Wire Wire Line 5250 1650 4850 1650 Wire Wire Line 4850 2050 4850 2100 Wire Wire Line 2700 1800 3150 1800 Wire Wire Line 3150 1800 3150 2100 Wire Wire Line 3150 2600 2700 2600 Wire Wire Line 2700 2200 3250 2200 Wire Wire Line 3250 2200 3250 3000 Wire Wire Line 3250 3000 2700 3000 Wire Wire Line 5250 2050 5250 2200 Wire Wire Line 3250 2200 4250 2200 Connection ~ 3250 2200 Connection ~ 5250 2200 Wire Wire Line 5250 2200 5250 2250 Wire Wire Line 4850 2100 3950 2100 Connection ~ 4850 2100 Wire Wire Line 4850 2100 4850 2250 Connection ~ 3150 2100 Wire Wire Line 3150 2100 3150 2600 Wire Wire Line 4850 2550 4850 3350 Wire Wire Line 4850 3350 5250 3350 Wire Wire Line 5250 3350 5250 2550 Wire Wire Line 3300 4150 3300 4050 Wire Wire Line 3400 4150 3400 4050 Wire Wire Line 3400 4050 3300 4050 Wire Wire Line 3300 5750 3300 5650 $Comp L Device:CP_Small C1 U 1 1 5C1A6A7D P 5700 2200 F 0 "C1" H 5788 2246 50 0000 L CNN F 1 "1000uF" H 5788 2155 50 0000 L CNN F 2 "Capacitor_THT:CP_Radial_D10.0mm_P5.00mm" H 5700 2200 50 0001 C CNN F 3 "~" H 5700 2200 50 0001 C CNN 1 5700 2200 1 0 0 -1 $EndComp $Comp L Device:CP_Small C4 U 1 1 5C1A7520 P 7600 2200 F 0 "C4" H 7688 2246 50 0000 L CNN F 1 "470uF" H 7688 2155 50 0000 L CNN F 2 "Capacitor_THT:CP_Radial_D10.0mm_P5.00mm" H 7600 2200 50 0001 C CNN F 3 "~" H 7600 2200 50 0001 C CNN 1 7600 2200 1 0 0 -1 $EndComp Wire Wire Line 7600 1650 7600 2100 Connection ~ 7600 1650 Wire Wire Line 7600 1650 7350 1650 Wire Wire Line 7600 2300 7600 3350 Wire Wire Line 7600 3350 7050 3350 Connection ~ 7050 3350 Wire Wire Line 7050 3350 7050 1950 Wire Wire Line 7050 3350 6500 3350 Wire Wire Line 5700 3350 5700 2300 Wire Wire Line 5700 2100 5700 1650 Connection ~ 5700 1650 Wire Wire Line 5700 1650 5250 1650 $Comp L Device:C_Small C2 U 1 1 5C1AAFA9 P 6150 2200 F 0 "C2" H 6242 2246 50 0000 L CNN F 1 "10u" H 6242 2155 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 6150 2200 50 0001 C CNN F 3 "~" H 6150 2200 50 0001 C CNN 1 6150 2200 1 0 0 -1 $EndComp $Comp L Device:C_Small C3 U 1 1 5C1AF3BD P 6500 2200 F 0 "C3" H 6592 2246 50 0000 L CNN F 1 "100n" H 6592 2155 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 6500 2200 50 0001 C CNN F 3 "~" H 6500 2200 50 0001 C CNN 1 6500 2200 1 0 0 -1 $EndComp $Comp L Device:C_Small C5 U 1 1 5C1AFB91 P 8050 2200 F 0 "C5" H 8142 2246 50 0000 L CNN F 1 "10u" H 8142 2155 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 8050 2200 50 0001 C CNN F 3 "~" H 8050 2200 50 0001 C CNN 1 8050 2200 1 0 0 -1 $EndComp $Comp L Device:C_Small C6 U 1 1 5C1B07A6 P 8400 2200 F 0 "C6" H 8492 2246 50 0000 L CNN F 1 "100n" H 8492 2155 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 8400 2200 50 0001 C CNN F 3 "~" H 8400 2200 50 0001 C CNN 1 8400 2200 1 0 0 -1 $EndComp Wire Wire Line 8050 1650 8050 2100 Connection ~ 8050 1650 Wire Wire Line 8050 1650 7600 1650 Wire Wire Line 8400 1650 8400 2100 Wire Wire Line 8400 1650 8050 1650 Wire Wire Line 8400 2300 8400 3350 Wire Wire Line 8400 3350 8050 3350 Wire Wire Line 8050 3350 8050 2300 Wire Wire Line 8050 3350 7600 3350 Connection ~ 8050 3350 Connection ~ 7600 3350 Wire Wire Line 6500 3350 6500 2300 Connection ~ 6500 3350 Wire Wire Line 6500 3350 6150 3350 Wire Wire Line 6500 2100 6500 1650 Connection ~ 6500 1650 Wire Wire Line 6500 1650 6150 1650 Wire Wire Line 6150 1650 6150 2100 Connection ~ 6150 1650 Wire Wire Line 6150 1650 5700 1650 Wire Wire Line 6150 2300 6150 3350 Connection ~ 6150 3350 Wire Wire Line 6150 3350 5700 3350 $Comp L Device:R_Small R1 U 1 1 5C1B72F8 P 3950 2500 F 0 "R1" H 4009 2546 50 0000 L CNN F 1 "10k" H 4009 2455 50 0000 L CNN F 2 "Resistors_SMD:R_0603_HandSoldering" H 3950 2500 50 0001 C CNN F 3 "~" H 3950 2500 50 0001 C CNN 1 3950 2500 1 0 0 -1 $EndComp $Comp L Device:R_Small R2 U 1 1 5C1BABDF P 4250 2500 F 0 "R2" H 4309 2546 50 0000 L CNN F 1 "10k" H 4309 2455 50 0000 L CNN F 2 "Resistors_SMD:R_0603_HandSoldering" H 4250 2500 50 0001 C CNN F 3 "~" H 4250 2500 50 0001 C CNN 1 4250 2500 1 0 0 -1 $EndComp $Comp L Device:R_Small R4 U 1 1 5C1BB077 P 4250 3100 F 0 "R4" H 4309 3146 50 0000 L CNN F 1 "3k3" H 4309 3055 50 0000 L CNN F 2 "Resistors_SMD:R_0603_HandSoldering" H 4250 3100 50 0001 C CNN F 3 "~" H 4250 3100 50 0001 C CNN 1 4250 3100 1 0 0 -1 $EndComp $Comp L Device:R_Small R3 U 1 1 5C1BC19C P 3950 3100 F 0 "R3" H 4009 3146 50 0000 L CNN F 1 "3k3" H 4009 3055 50 0000 L CNN F 2 "Resistors_SMD:R_0603_HandSoldering" H 3950 3100 50 0001 C CNN F 3 "~" H 3950 3100 50 0001 C CNN 1 3950 3100 1 0 0 -1 $EndComp Wire Wire Line 3950 3000 3950 2850 Wire Wire Line 3950 2400 3950 2100 Connection ~ 3950 2100 Wire Wire Line 3950 2100 3150 2100 Wire Wire Line 4250 2200 4250 2400 Connection ~ 4250 2200 Wire Wire Line 4250 2200 5250 2200 Wire Wire Line 4250 2600 4250 2750 Wire Wire Line 4250 3200 4250 3350 Wire Wire Line 4250 3350 3950 3350 Wire Wire Line 3950 3350 3950 3200 Wire Wire Line 4250 3350 4550 3350 Connection ~ 4250 3350 Connection ~ 4850 3350 $Comp L Device:D_Schottky D6 U 1 1 5C1CFB2A P 4550 3100 F 0 "D6" V 4550 3179 50 0000 L CNN F 1 "D_Schottky" V 4595 3179 50 0001 L CNN F 2 "Diodes_SMD:D_MiniMELF_Handsoldering" H 4550 3100 50 0001 C CNN F 3 "~" H 4550 3100 50 0001 C CNN 1 4550 3100 0 1 1 0 $EndComp $Comp L Device:D_Schottky D5 U 1 1 5C1D3E90 P 3650 3100 F 0 "D5" V 3650 3179 50 0000 L CNN F 1 "D_Schottky" V 3695 3179 50 0001 L CNN F 2 "Diodes_SMD:D_MiniMELF_Handsoldering" H 3650 3100 50 0001 C CNN F 3 "~" H 3650 3100 50 0001 C CNN 1 3650 3100 0 1 1 0 $EndComp Wire Wire Line 3650 2950 3650 2850 Wire Wire Line 3650 2850 3950 2850 Connection ~ 3950 2850 Wire Wire Line 3950 2850 3950 2750 Wire Wire Line 4250 2850 4550 2850 Wire Wire Line 4550 2850 4550 2950 Connection ~ 4250 2850 Wire Wire Line 4250 2850 4250 3000 Wire Wire Line 4550 3250 4550 3350 Wire Wire Line 4550 3350 4850 3350 Connection ~ 4550 3350 Wire Wire Line 3950 3350 3650 3350 Wire Wire Line 3650 3350 3650 3250 Connection ~ 3950 3350 Wire Wire Line 3550 2750 3950 2750 Connection ~ 3950 2750 Wire Wire Line 3950 2750 3950 2600 Wire Wire Line 4650 2750 4250 2750 Connection ~ 4250 2750 Wire Wire Line 4250 2750 4250 2850 Text Label 3550 2750 0 50 ~ 0 Vmeas_A Text Label 4650 2750 2 50 ~ 0 Vmeas_B Text Label 4200 4450 2 50 ~ 0 Vmeas_B Text Label 4200 4350 2 50 ~ 0 Vmeas_A Wire Wire Line 4200 4350 3800 4350 Wire Wire Line 3800 4450 4200 4450 $Comp L Transistor_FET:IRF6710S2 Q3 U 1 1 5C1F9130 P 5250 5450 F 0 "Q3" H 5455 5496 50 0000 L CNN F 1 "AO3400" H 5455 5405 50 0000 L CNN F 2 "TO_SOT_Packages_SMD:SOT-23" H 5250 5450 50 0001 C CIN F 3 "https://www.infineon.com/dgdl/irf6710s2pbf.pdf?fileId=5546d462533600a4015355ece3db1a78" H 5250 5450 50 0001 L CNN 1 5250 5450 1 0 0 -1 $EndComp $Comp L Device:R_Small R10 U 1 1 5C1F9EE6 P 5350 5050 F 0 "R10" H 5409 5096 50 0000 L CNN F 1 "620" H 5409 5005 50 0000 L CNN F 2 "Resistors_SMD:R_2512_HandSoldering" H 5350 5050 50 0001 C CNN F 3 "~" H 5350 5050 50 0001 C CNN 1 5350 5050 1 0 0 -1 $EndComp Wire Wire Line 5250 3350 5700 3350 Connection ~ 5250 3350 Connection ~ 5700 3350 $Comp L power:+3.3V #PWR0101 U 1 1 5C2174D4 P 8750 1650 F 0 "#PWR0101" H 8750 1500 50 0001 C CNN F 1 "+3.3V" V 8765 1778 50 0000 L CNN F 2 "" H 8750 1650 50 0001 C CNN F 3 "" H 8750 1650 50 0001 C CNN 1 8750 1650 0 1 1 0 $EndComp Wire Wire Line 8750 1650 8400 1650 Connection ~ 8400 1650 $Comp L power:GND #PWR0102 U 1 1 5C21CDD5 P 8750 3350 F 0 "#PWR0102" H 8750 3100 50 0001 C CNN F 1 "GND" V 8755 3222 50 0000 R CNN F 2 "" H 8750 3350 50 0001 C CNN F 3 "" H 8750 3350 50 0001 C CNN 1 8750 3350 0 -1 -1 0 $EndComp Wire Wire Line 8750 3350 8400 3350 Connection ~ 8400 3350 $Comp L power:+12V #PWR0103 U 1 1 5C2201CD P 6650 1200 F 0 "#PWR0103" H 6650 1050 50 0001 C CNN F 1 "+12V" V 6665 1328 50 0000 L CNN F 2 "" H 6650 1200 50 0001 C CNN F 3 "" H 6650 1200 50 0001 C CNN 1 6650 1200 0 1 1 0 $EndComp Wire Wire Line 6650 1200 6500 1200 Wire Wire Line 6500 1200 6500 1650 $Comp L power:+3.3V #PWR0104 U 1 1 5C223C57 P 3400 3950 F 0 "#PWR0104" H 3400 3800 50 0001 C CNN F 1 "+3.3V" H 3415 4123 50 0000 C CNN F 2 "" H 3400 3950 50 0001 C CNN F 3 "" H 3400 3950 50 0001 C CNN 1 3400 3950 1 0 0 -1 $EndComp Wire Wire Line 3400 3950 3400 4050 Connection ~ 3400 4050 $Comp L power:GND #PWR0105 U 1 1 5C22656D P 3300 5750 F 0 "#PWR0105" H 3300 5500 50 0001 C CNN F 1 "GND" H 3305 5577 50 0000 C CNN F 2 "" H 3300 5750 50 0001 C CNN F 3 "" H 3300 5750 50 0001 C CNN 1 3300 5750 1 0 0 -1 $EndComp $Comp L power:GND #PWR0106 U 1 1 5C2270D7 P 5350 5900 F 0 "#PWR0106" H 5350 5650 50 0001 C CNN F 1 "GND" H 5355 5727 50 0000 C CNN F 2 "" H 5350 5900 50 0001 C CNN F 3 "" H 5350 5900 50 0001 C CNN 1 5350 5900 1 0 0 -1 $EndComp $Comp L power:+12V #PWR0107 U 1 1 5C227D6B P 5350 4850 F 0 "#PWR0107" H 5350 4700 50 0001 C CNN F 1 "+12V" H 5365 5023 50 0000 C CNN F 2 "" H 5350 4850 50 0001 C CNN F 3 "" H 5350 4850 50 0001 C CNN 1 5350 4850 1 0 0 -1 $EndComp Wire Wire Line 5350 5650 5350 5850 Wire Wire Line 5350 5150 5350 5250 Wire Wire Line 5350 4850 5350 4950 $Comp L Device:R_Small R11 U 1 1 5C234E1F P 4750 5450 F 0 "R11" V 4554 5450 50 0000 C CNN F 1 "0" V 4645 5450 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" H 4750 5450 50 0001 C CNN F 3 "~" H 4750 5450 50 0001 C CNN 1 4750 5450 0 1 1 0 $EndComp $Comp L Device:C_Small C12 U 1 1 5C23632F P 4950 5650 F 0 "C12" H 5042 5696 50 0000 L CNN F 1 "0" H 5042 5605 50 0000 L CNN F 2 "Capacitors_SMD:C_0805" H 4950 5650 50 0001 C CNN F 3 "~" H 4950 5650 50 0001 C CNN 1 4950 5650 1 0 0 -1 $EndComp Wire Wire Line 5350 5850 4950 5850 Wire Wire Line 4950 5850 4950 5750 Connection ~ 5350 5850 Wire Wire Line 5350 5850 5350 5900 Wire Wire Line 4950 5550 4950 5450 Wire Wire Line 4950 5450 4850 5450 Wire Wire Line 4950 5450 5050 5450 Connection ~ 4950 5450 Wire Wire Line 4400 5450 4650 5450 Text Label 4400 5450 0 50 ~ 0 LOAD $Comp L Transistor_FET:IRF6710S2 Q4 U 1 1 5C24FD36 P 6850 5450 F 0 "Q4" H 7055 5496 50 0000 L CNN F 1 "AO3400" H 7055 5405 50 0000 L CNN F 2 "TO_SOT_Packages_SMD:SOT-23" H 6850 5450 50 0001 C CIN F 3 "https://www.infineon.com/dgdl/irf6710s2pbf.pdf?fileId=5546d462533600a4015355ece3db1a78" H 6850 5450 50 0001 L CNN 1 6850 5450 1 0 0 -1 $EndComp $Comp L power:GND #PWR0108 U 1 1 5C24FD42 P 6950 5900 F 0 "#PWR0108" H 6950 5650 50 0001 C CNN F 1 "GND" H 6955 5727 50 0000 C CNN F 2 "" H 6950 5900 50 0001 C CNN F 3 "" H 6950 5900 50 0001 C CNN 1 6950 5900 1 0 0 -1 $EndComp Wire Wire Line 6950 5650 6950 5850 Wire Wire Line 6950 5150 6950 5250 $Comp L Device:R_Small R12 U 1 1 5C24FD4B P 6350 5450 F 0 "R12" V 6154 5450 50 0000 C CNN F 1 "0" V 6245 5450 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" H 6350 5450 50 0001 C CNN F 3 "~" H 6350 5450 50 0001 C CNN 1 6350 5450 0 1 1 0 $EndComp $Comp L Device:C_Small C13 U 1 1 5C24FD51 P 6550 5650 F 0 "C13" H 6642 5696 50 0000 L CNN F 1 "0" H 6642 5605 50 0000 L CNN F 2 "Capacitors_SMD:C_0805" H 6550 5650 50 0001 C CNN F 3 "~" H 6550 5650 50 0001 C CNN 1 6550 5650 1 0 0 -1 $EndComp Wire Wire Line 6950 5850 6550 5850 Wire Wire Line 6550 5850 6550 5750 Connection ~ 6950 5850 Wire Wire Line 6950 5850 6950 5900 Wire Wire Line 6550 5550 6550 5450 Wire Wire Line 6550 5450 6450 5450 Wire Wire Line 6550 5450 6650 5450 Connection ~ 6550 5450 Wire Wire Line 6050 5450 6250 5450 Text Label 6050 5450 0 50 ~ 0 CH1 Text Label 7150 5150 2 50 ~ 0 Q1 Wire Wire Line 7150 5150 6950 5150 $Comp L Transistor_FET:IRF6710S2 Q1 U 1 1 5C265A5A P 6850 4350 F 0 "Q1" H 7055 4396 50 0000 L CNN F 1 "AO3400" H 7055 4305 50 0000 L CNN F 2 "TO_SOT_Packages_SMD:SOT-23" H 6850 4350 50 0001 C CIN F 3 "https://www.infineon.com/dgdl/irf6710s2pbf.pdf?fileId=5546d462533600a4015355ece3db1a78" H 6850 4350 50 0001 L CNN 1 6850 4350 1 0 0 -1 $EndComp $Comp L power:GND #PWR0109 U 1 1 5C265A60 P 6950 4800 F 0 "#PWR0109" H 6950 4550 50 0001 C CNN F 1 "GND" H 6955 4627 50 0000 C CNN F 2 "" H 6950 4800 50 0001 C CNN F 3 "" H 6950 4800 50 0001 C CNN 1 6950 4800 1 0 0 -1 $EndComp Wire Wire Line 6950 4550 6950 4750 Wire Wire Line 6950 4050 6950 4150 $Comp L Device:R_Small R6 U 1 1 5C265A68 P 6350 4350 F 0 "R6" V 6154 4350 50 0000 C CNN F 1 "0" V 6245 4350 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" H 6350 4350 50 0001 C CNN F 3 "~" H 6350 4350 50 0001 C CNN 1 6350 4350 0 1 1 0 $EndComp $Comp L Device:C_Small C8 U 1 1 5C265A6E P 6550 4550 F 0 "C8" H 6642 4596 50 0000 L CNN F 1 "0" H 6642 4505 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 6550 4550 50 0001 C CNN F 3 "~" H 6550 4550 50 0001 C CNN 1 6550 4550 1 0 0 -1 $EndComp Wire Wire Line 6950 4750 6550 4750 Wire Wire Line 6550 4750 6550 4650 Connection ~ 6950 4750 Wire Wire Line 6950 4750 6950 4800 Wire Wire Line 6550 4450 6550 4350 Wire Wire Line 6550 4350 6450 4350 Wire Wire Line 6550 4350 6650 4350 Connection ~ 6550 4350 Wire Wire Line 6050 4350 6250 4350 Text Label 6050 4350 0 50 ~ 0 CH0 Text Label 7150 4050 2 50 ~ 0 Q0 Wire Wire Line 7150 4050 6950 4050 $Comp L Transistor_FET:IRLML6402 Q2 U 1 1 5C26D08A P 8700 4600 F 0 "Q2" H 8905 4554 50 0000 L CNN F 1 "IRLML6402" H 8905 4645 50 0000 L CNN F 2 "TO_SOT_Packages_SMD:SOT-23" H 8900 4525 50 0001 L CIN F 3 "https://www.infineon.com/dgdl/irlml6402pbf.pdf?fileId=5546d462533600a401535668d5c2263c" H 8700 4600 50 0001 L CNN 1 8700 4600 1 0 0 1 $EndComp $Comp L Device:R_Small R7 U 1 1 5C270B70 P 8400 4400 F 0 "R7" H 8341 4354 50 0000 R CNN F 1 "10k" H 8341 4445 50 0000 R CNN F 2 "Resistors_SMD:R_0603_HandSoldering" H 8400 4400 50 0001 C CNN F 3 "~" H 8400 4400 50 0001 C CNN 1 8400 4400 -1 0 0 1 $EndComp $Comp L power:+12V #PWR0110 U 1 1 5C271E21 P 8800 4100 F 0 "#PWR0110" H 8800 3950 50 0001 C CNN F 1 "+12V" H 8815 4273 50 0000 C CNN F 2 "" H 8800 4100 50 0001 C CNN F 3 "" H 8800 4100 50 0001 C CNN 1 8800 4100 1 0 0 -1 $EndComp Wire Wire Line 8800 4100 8800 4200 Wire Wire Line 8800 4200 8400 4200 Wire Wire Line 8400 4200 8400 4300 Wire Wire Line 8800 4200 8800 4400 Connection ~ 8800 4200 Wire Wire Line 8500 4600 8400 4600 Wire Wire Line 8400 4600 8400 4500 $Comp L Device:C_Small C7 U 1 1 5C27E2DD P 8200 4400 F 0 "C7" H 8000 4450 50 0000 L CNN F 1 "0" H 8050 4350 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 8200 4400 50 0001 C CNN F 3 "~" H 8200 4400 50 0001 C CNN 1 8200 4400 1 0 0 -1 $EndComp $Comp L Device:D_Zener_Small_ALT D7 U 1 1 5C280B09 P 7700 4600 F 0 "D7" H 7700 4500 50 0000 L CNN F 1 "8V2" H 7650 4700 50 0000 L CNN F 2 "Diodes_SMD:D_MiniMELF_Handsoldering" V 7700 4600 50 0001 C CNN F 3 "~" V 7700 4600 50 0001 C CNN 1 7700 4600 -1 0 0 1 $EndComp Connection ~ 8400 4600 Wire Wire Line 8200 4300 8200 4200 Wire Wire Line 8200 4200 8400 4200 Connection ~ 8400 4200 Wire Wire Line 8200 4500 8200 4600 Wire Wire Line 8200 4600 8400 4600 $Comp L Device:R_Small R9 U 1 1 5C2AA0AC P 8000 4600 F 0 "R9" V 7900 4550 50 0000 C CNN F 1 "0" V 8100 4600 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" H 8000 4600 50 0001 C CNN F 3 "~" H 8000 4600 50 0001 C CNN 1 8000 4600 0 1 1 0 $EndComp Wire Wire Line 8800 4800 8800 4900 Wire Wire Line 8800 4900 9050 4900 Text Label 9050 4900 2 50 ~ 0 Q2 Wire Wire Line 8200 4600 8100 4600 Connection ~ 8200 4600 Wire Wire Line 7900 4600 7800 4600 Wire Wire Line 7400 4600 7600 4600 Text Label 7400 4600 0 50 ~ 0 CH2 $Comp L Transistor_FET:IRLML6402 Q5 U 1 1 5C2DA7FA P 8700 5700 F 0 "Q5" H 8905 5654 50 0000 L CNN F 1 "IRLML6402" H 8905 5745 50 0000 L CNN F 2 "TO_SOT_Packages_SMD:SOT-23" H 8900 5625 50 0001 L CIN F 3 "https://www.infineon.com/dgdl/irlml6402pbf.pdf?fileId=5546d462533600a401535668d5c2263c" H 8700 5700 50 0001 L CNN 1 8700 5700 1 0 0 1 $EndComp $Comp L Device:R_Small R13 U 1 1 5C2DA800 P 8400 5500 F 0 "R13" H 8341 5454 50 0000 R CNN F 1 "10k" H 8341 5545 50 0000 R CNN F 2 "Resistors_SMD:R_0603_HandSoldering" H 8400 5500 50 0001 C CNN F 3 "~" H 8400 5500 50 0001 C CNN 1 8400 5500 -1 0 0 1 $EndComp $Comp L power:+12V #PWR0111 U 1 1 5C2DA806 P 8800 5200 F 0 "#PWR0111" H 8800 5050 50 0001 C CNN F 1 "+12V" H 8815 5373 50 0000 C CNN F 2 "" H 8800 5200 50 0001 C CNN F 3 "" H 8800 5200 50 0001 C CNN 1 8800 5200 1 0 0 -1 $EndComp Wire Wire Line 8800 5200 8800 5300 Wire Wire Line 8800 5300 8400 5300 Wire Wire Line 8400 5300 8400 5400 Wire Wire Line 8800 5300 8800 5500 Connection ~ 8800 5300 Wire Wire Line 8500 5700 8400 5700 Wire Wire Line 8400 5700 8400 5600 $Comp L Device:C_Small C11 U 1 1 5C2DA813 P 8200 5500 F 0 "C11" H 8000 5550 50 0000 L CNN F 1 "0" H 8050 5450 50 0000 L CNN F 2 "Capacitors_SMD:C_0805" H 8200 5500 50 0001 C CNN F 3 "~" H 8200 5500 50 0001 C CNN 1 8200 5500 1 0 0 -1 $EndComp $Comp L Device:D_Zener_Small_ALT D8 U 1 1 5C2DA819 P 7700 5700 F 0 "D8" H 7700 5600 50 0000 L CNN F 1 "8V2" H 7650 5800 50 0000 L CNN F 2 "Diodes_SMD:D_MiniMELF_Handsoldering" V 7700 5700 50 0001 C CNN F 3 "~" V 7700 5700 50 0001 C CNN 1 7700 5700 -1 0 0 1 $EndComp Connection ~ 8400 5700 Wire Wire Line 8200 5400 8200 5300 Wire Wire Line 8200 5300 8400 5300 Connection ~ 8400 5300 Wire Wire Line 8200 5600 8200 5700 Wire Wire Line 8200 5700 8400 5700 $Comp L Device:R_Small R14 U 1 1 5C2DA825 P 8000 5700 F 0 "R14" V 7900 5650 50 0000 C CNN F 1 "0" V 8100 5700 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" H 8000 5700 50 0001 C CNN F 3 "~" H 8000 5700 50 0001 C CNN 1 8000 5700 0 1 1 0 $EndComp Wire Wire Line 8800 5900 8800 6000 Wire Wire Line 8800 6000 9050 6000 Text Label 9050 6000 2 50 ~ 0 Q3 Wire Wire Line 8200 5700 8100 5700 Connection ~ 8200 5700 Wire Wire Line 7900 5700 7800 5700 Wire Wire Line 7400 5700 7600 5700 Text Label 7400 5700 0 50 ~ 0 CH3 Wire Wire Line 4200 4550 3800 4550 Wire Wire Line 4200 4650 3800 4650 Wire Wire Line 4200 4750 3800 4750 Wire Wire Line 4200 4950 3800 4950 Wire Wire Line 4200 5050 3800 5050 Text Label 4200 4550 2 50 ~ 0 LOAD Text Label 4200 4650 2 50 ~ 0 CH0 Text Label 4200 5050 2 50 ~ 0 CH1 Text Label 4200 4950 2 50 ~ 0 CH2 Text Label 4200 4750 2 50 ~ 0 CH3 $Comp L Device:Crystal_GND24_Small Y1 U 1 1 5C30EB37 P 2250 5200 F 0 "Y1" V 2050 5050 50 0000 L CNN F 1 "8MHz" V 2050 5250 50 0000 L CNN F 2 "Crystals:Crystal_SMD_3225-4pin_3.2x2.5mm" H 2250 5200 50 0001 C CNN F 3 "~" H 2250 5200 50 0001 C CNN 1 2250 5200 0 1 1 0 $EndComp $Comp L Device:C_Small C10 U 1 1 5C310CD7 P 2250 5500 F 0 "C10" H 2342 5546 50 0000 L CNN F 1 "12p" H 2342 5455 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2250 5500 50 0001 C CNN F 3 "~" H 2250 5500 50 0001 C CNN 1 2250 5500 1 0 0 -1 $EndComp $Comp L Device:C_Small C9 U 1 1 5C31388F P 1900 5500 F 0 "C9" H 1700 5600 50 0000 L CNN F 1 "12p" H 1700 5400 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 1900 5500 50 0001 C CNN F 3 "~" H 1900 5500 50 0001 C CNN 1 1900 5500 1 0 0 -1 $EndComp $Comp L power:GND #PWR0112 U 1 1 5C31422D P 2250 5800 F 0 "#PWR0112" H 2250 5550 50 0001 C CNN F 1 "GND" H 2255 5627 50 0000 C CNN F 2 "" H 2250 5800 50 0001 C CNN F 3 "" H 2250 5800 50 0001 C CNN 1 2250 5800 1 0 0 -1 $EndComp Wire Wire Line 2250 5800 2250 5750 Wire Wire Line 1900 5600 1900 5750 Wire Wire Line 1900 5750 2050 5750 Connection ~ 2250 5750 Wire Wire Line 2250 5750 2250 5650 Wire Wire Line 2250 5650 2500 5650 Wire Wire Line 2500 5650 2500 5200 Wire Wire Line 2375 5200 2500 5200 Connection ~ 2250 5650 Wire Wire Line 2250 5650 2250 5600 Wire Wire Line 2050 5200 2050 5750 Wire Wire Line 2050 5200 2125 5200 Connection ~ 2050 5750 Wire Wire Line 2050 5750 2250 5750 Wire Wire Line 2250 5300 2250 5400 Wire Wire Line 2250 5100 1900 5100 Wire Wire Line 1900 5100 1900 5400 $Comp L Device:R_Small R5 U 1 1 5C36FD60 P 2600 4350 F 0 "R5" V 2500 4250 50 0000 C CNN F 1 "0" V 2500 4450 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" H 2600 4350 50 0001 C CNN F 3 "~" H 2600 4350 50 0001 C CNN 1 2600 4350 0 1 1 0 $EndComp Wire Wire Line 2700 4350 2800 4350 $Comp L power:+3.3V #PWR0113 U 1 1 5C3785CA P 2400 4350 F 0 "#PWR0113" H 2400 4200 50 0001 C CNN F 1 "+3.3V" V 2415 4478 50 0000 L CNN F 2 "" H 2400 4350 50 0001 C CNN F 3 "" H 2400 4350 50 0001 C CNN 1 2400 4350 0 -1 -1 0 $EndComp Wire Wire Line 2400 4350 2500 4350 $Comp L power:GND #PWR0114 U 1 1 5C38237A P 2400 4550 F 0 "#PWR0114" H 2400 4300 50 0001 C CNN F 1 "GND" V 2405 4422 50 0000 R CNN F 2 "" H 2400 4550 50 0001 C CNN F 3 "" H 2400 4550 50 0001 C CNN 1 2400 4550 0 1 1 0 $EndComp $Comp L Device:R_Small R8 U 1 1 5C382D39 P 2600 4550 F 0 "R8" V 2500 4450 50 0000 C CNN F 1 "0" V 2500 4650 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" H 2600 4550 50 0001 C CNN F 3 "~" H 2600 4550 50 0001 C CNN 1 2600 4550 0 1 1 0 $EndComp Wire Wire Line 2400 4550 2500 4550 Wire Wire Line 2700 4550 2800 4550 Wire Wire Line 4200 5350 3800 5350 Wire Wire Line 4200 5450 3800 5450 Text Label 4200 5350 2 50 ~ 0 SWDIO Text Label 4200 5450 2 50 ~ 0 SWCLK $Comp L Connector_Generic:Conn_01x04 J5 U 1 1 5C3B6CB2 P 4700 4100 F 0 "J5" H 4620 4417 50 0000 C CNN F 1 "SWD" H 4620 4326 50 0000 C CNN F 2 "Pin_Headers:Pin_Header_Straight_1x04_Pitch2.54mm" H 4700 4100 50 0001 C CNN F 3 "~" H 4700 4100 50 0001 C CNN 1 4700 4100 -1 0 0 -1 $EndComp $Comp L power:+3.3V #PWR0115 U 1 1 5C3BBC57 P 5250 4000 F 0 "#PWR0115" H 5250 3850 50 0001 C CNN F 1 "+3.3V" V 5265 4128 50 0000 L CNN F 2 "" H 5250 4000 50 0001 C CNN F 3 "" H 5250 4000 50 0001 C CNN 1 5250 4000 0 1 1 0 $EndComp $Comp L power:GND #PWR0116 U 1 1 5C3D62AF P 5250 4200 F 0 "#PWR0116" H 5250 3950 50 0001 C CNN F 1 "GND" V 5255 4072 50 0000 R CNN F 2 "" H 5250 4200 50 0001 C CNN F 3 "" H 5250 4200 50 0001 C CNN 1 5250 4200 0 -1 -1 0 $EndComp Wire Wire Line 5250 4200 4900 4200 Wire Wire Line 4900 4000 5250 4000 Text Label 5200 4300 2 50 ~ 0 SWDIO Text Label 5200 4100 2 50 ~ 0 SWCLK Wire Wire Line 5200 4100 4900 4100 Wire Wire Line 4900 4300 5200 4300 Wire Wire Line 2950 2100 2700 2100 Wire Wire Line 2950 1700 2700 1700 Wire Wire Line 2950 2500 2700 2500 Wire Wire Line 2950 2900 2700 2900 Text Label 2950 2100 2 50 ~ 0 Q0 Text Label 2950 2900 2 50 ~ 0 Q1 Text Label 2950 1700 2 50 ~ 0 Q2 Text Label 2950 2500 2 50 ~ 0 Q3 Text Notes 6550 3850 0 50 ~ 0 Pull drivers Text Notes 8200 3850 0 50 ~ 0 Push drivers Text Notes 4550 5050 0 50 ~ 0 Comms load Text Notes 4600 3000 0 50 ~ 0 Opt Text Notes 3500 3000 0 50 ~ 0 Opt Text Notes 6350 4600 0 50 ~ 0 Opt Text Notes 6450 4250 0 50 ~ 0 Opt Text Notes 6450 5350 0 50 ~ 0 Opt Text Notes 6350 5700 0 50 ~ 0 Opt Text Notes 8000 5400 0 50 ~ 0 Opt Text Notes 8000 4300 0 50 ~ 0 Opt Text Notes 7950 4800 0 50 ~ 0 Opt Text Notes 7950 5900 0 50 ~ 0 Opt Text Notes 2550 4200 0 50 ~ 0 Opt Text Notes 2550 4700 0 50 ~ 0 Opt $Comp L Connector:TestPoint TP1 U 1 1 5C453DE6 P 4100 4850 F 0 "TP1" V 4100 5038 50 0000 L CNN F 1 "TestPoint" H 4158 4879 50 0001 L CNN F 2 "Measurement_Points:Measurement_Point_Square-SMD-Pad_Small" H 4300 4850 50 0001 C CNN F 3 "~" H 4300 4850 50 0001 C CNN 1 4100 4850 0 1 1 0 $EndComp $Comp L Connector:TestPoint TP2 U 1 1 5C45EF40 P 4100 5150 F 0 "TP2" V 4100 5338 50 0000 L CNN F 1 "TestPoint" H 4158 5179 50 0001 L CNN F 2 "Measurement_Points:Measurement_Point_Square-SMD-Pad_Small" H 4300 5150 50 0001 C CNN F 3 "~" H 4300 5150 50 0001 C CNN 1 4100 5150 0 1 1 0 $EndComp $Comp L Connector:TestPoint TP3 U 1 1 5C45F33E P 4100 5250 F 0 "TP3" V 4100 5438 50 0000 L CNN F 1 "TestPoint" H 4158 5279 50 0001 L CNN F 2 "Measurement_Points:Measurement_Point_Square-SMD-Pad_Small" H 4300 5250 50 0001 C CNN F 3 "~" H 4300 5250 50 0001 C CNN 1 4100 5250 0 1 1 0 $EndComp $Comp L Connector:TestPoint TP4 U 1 1 5C45FC76 P 2750 5450 F 0 "TP4" V 2650 5550 50 0000 C CNN F 1 "TestPoint" H 2808 5479 50 0001 L CNN F 2 "Measurement_Points:Measurement_Point_Square-SMD-Pad_Small" H 2950 5450 50 0001 C CNN F 3 "~" H 2950 5450 50 0001 C CNN 1 2750 5450 0 -1 -1 0 $EndComp Wire Wire Line 2750 5450 2800 5450 Wire Wire Line 4100 5250 3800 5250 Wire Wire Line 4100 5150 3800 5150 Wire Wire Line 3800 4850 4100 4850 Wire Wire Line 2250 5300 2600 5300 Connection ~ 2250 5300 Connection ~ 2250 5100 Wire Wire Line 2800 5250 2750 5250 Wire Wire Line 2750 5250 2750 5100 Wire Wire Line 2250 5100 2750 5100 Wire Wire Line 2600 5150 2800 5150 Wire Wire Line 2600 5150 2600 5300 $EndSCHEMATC