center: initial schematic

1 files changed, 1207 insertions, 0 deletions

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+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 "" H 6550 4550 50  0001 C CNN
+F 3 "~" H 6550 4550 50  0001 C CNN
+	1    6550 4550
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
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+Wire Wire Line
+	6550 4750 6550 4650
+Connection ~ 6950 4750
+Wire Wire Line
+	6950 4750 6950 4800
+Wire Wire Line
+	6550 4450 6550 4350
+Wire Wire Line
+	6550 4350 6450 4350
+Wire Wire Line
+	6550 4350 6650 4350
+Connection ~ 6550 4350
+Wire Wire Line
+	6050 4350 6250 4350
+Text Label 6050 4350 0    50   ~ 0
+CH0
+Text Label 7150 4050 2    50   ~ 0
+Q0
+Wire Wire Line
+	7150 4050 6950 4050
+$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 "Package_TO_SOT_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 "" 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  
+$EndComp
+Wire Wire Line
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+Wire Wire Line
+	8800 4200 8400 4200
+Wire Wire Line
+	8400 4200 8400 4300
+Wire Wire Line
+	8800 4200 8800 4400
+Connection ~ 8800 4200
+Wire Wire Line
+	8500 4600 8400 4600
+Wire Wire Line
+	8400 4600 8400 4500
+$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 "" 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 "" V 7700 4600 50  0001 C CNN
+F 3 "~" V 7700 4600 50  0001 C CNN
+	1    7700 4600
+	-1   0    0    1   
+$EndComp
+Connection ~ 8400 4600
+Wire Wire Line
+	8200 4300 8200 4200
+Wire Wire Line
+	8200 4200 8400 4200
+Connection ~ 8400 4200
+Wire Wire Line
+	8200 4500 8200 4600
+Wire Wire Line
+	8200 4600 8400 4600
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+L Device:R_Small R9
+U 1 1 5C2AA0AC
+P 8000 4600
+F 0 "R9" V 7900 4550 50  0000 C CNN
+F 1 "0" V 8100 4600 50  0000 C CNN
+F 2 "" H 8000 4600 50  0001 C CNN
+F 3 "~" H 8000 4600 50  0001 C CNN
+	1    8000 4600
+	0    1    1    0   
+$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
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+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
+$Comp
+L Transistor_FET:IRLML6402 Q5
+U 1 1 5C2DA7FA
+P 8700 5700
+F 0 "Q5" H 8905 5654 50  0000 L CNN
+F 1 "IRLML6402" H 8905 5745 50  0000 L CNN
+F 2 "Package_TO_SOT_SMD:SOT-23" H 8900 5625 50  0001 L CIN
+F 3 "https://www.infineon.com/dgdl/irlml6402pbf.pdf?fileId=5546d462533600a401535668d5c2263c" H 8700 5700 50  0001 L CNN
+	1    8700 5700
+	1    0    0    1   
+$EndComp
+$Comp
+L Device:R_Small R13
+U 1 1 5C2DA800
+P 8400 5500
+F 0 "R13" H 8341 5454 50  0000 R CNN
+F 1 "10k" H 8341 5545 50  0000 R CNN
+F 2 "" H 8400 5500 50  0001 C CNN
+F 3 "~" H 8400 5500 50  0001 C CNN
+	1    8400 5500
+	-1   0    0    1   
+$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
+$Comp
+L Device:C_Small C11
+U 1 1 5C2DA813
+P 8200 5500
+F 0 "C11" H 8000 5550 50  0000 L CNN
+F 1 "0" H 8050 5450 50  0000 L CNN
+F 2 "" H 8200 5500 50  0001 C CNN
+F 3 "~" H 8200 5500 50  0001 C CNN
+	1    8200 5500
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:D_Zener_Small_ALT D8
+U 1 1 5C2DA819
+P 7700 5700
+F 0 "D8" H 7700 5600 50  0000 L CNN
+F 1 "8V2" H 7650 5800 50  0000 L CNN
+F 2 "" V 7700 5700 50  0001 C CNN
+F 3 "~" V 7700 5700 50  0001 C CNN
+	1    7700 5700
+	-1   0    0    1   
+$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
+$Comp
+L Device:R_Small R14
+U 1 1 5C2DA825
+P 8000 5700
+F 0 "R14" V 7900 5650 50  0000 C CNN
+F 1 "0" V 8100 5700 50  0000 C CNN
+F 2 "" H 8000 5700 50  0001 C CNN
+F 3 "~" H 8000 5700 50  0001 C CNN
+	1    8000 5700
+	0    1    1    0   
+$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 4750 2    50   ~ 0
+CH1
+Text Label 4200 4950 2    50   ~ 0
+CH2
+Text Label 4200 5050 2    50   ~ 0
+CH3
+$Comp
+L Device:Crystal_GND24_Small Y1
+U 1 1 5C30EB37
+P 2250 5200
+F 0 "Y1" V 2050 5050 50  0000 L CNN
+F 1 "8MHz" V 2050 5250 50  0000 L CNN
+F 2 "" H 2250 5200 50  0001 C CNN
+F 3 "~" H 2250 5200 50  0001 C CNN
+	1    2250 5200
+	0    1    1    0   
+$EndComp
+$Comp
+L Device:C_Small C10
+U 1 1 5C310CD7
+P 2250 5500
+F 0 "C10" H 2342 5546 50  0000 L CNN
+F 1 "12p" H 2342 5455 50  0000 L CNN
+F 2 "" H 2250 5500 50  0001 C CNN
+F 3 "~" H 2250 5500 50  0001 C CNN
+	1    2250 5500
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:C_Small C9
+U 1 1 5C31388F
+P 1900 5500
+F 0 "C9" H 1700 5600 50  0000 L CNN
+F 1 "12p" H 1700 5400 50  0000 L CNN
+F 2 "" H 1900 5500 50  0001 C CNN
+F 3 "~" H 1900 5500 50  0001 C CNN
+	1    1900 5500
+	1    0    0    -1  
+$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
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+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 5100 2800 5100
+Wire Wire Line
+	2800 5100 2800 5150
+Wire Wire Line
+	2250 5300 2800 5300
+Wire Wire Line
+	2800 5300 2800 5250
+Wire Wire Line
+	2250 5300 2250 5400
+Connection ~ 2250 5300
+Wire Wire Line
+	2250 5100 1900 5100
+Wire Wire Line
+	1900 5100 1900 5400
+Connection ~ 2250 5100
+$Comp
+L Device:R_Small R5
+U 1 1 5C36FD60
+P 2600 4350
+F 0 "R5" V 2500 4250 50  0000 C CNN
+F 1 "0" V 2500 4450 50  0000 C CNN
+F 2 "" H 2600 4350 50  0001 C CNN
+F 3 "~" H 2600 4350 50  0001 C CNN
+	1    2600 4350
+	0    1    1    0   
+$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
+$Comp
+L Device:R_Small R8
+U 1 1 5C382D39
+P 2600 4550
+F 0 "R8" V 2500 4450 50  0000 C CNN
+F 1 "0" V 2500 4650 50  0000 C CNN
+F 2 "" H 2600 4550 50  0001 C CNN
+F 3 "~" H 2600 4550 50  0001 C CNN
+	1    2600 4550
+	0    1    1    0   
+$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
+$Comp
+L Connector_Generic:Conn_01x04 J5
+U 1 1 5C3B6CB2
+P 4700 4100
+F 0 "J5" H 4620 4417 50  0000 C CNN
+F 1 "SWD" H 4620 4326 50  0000 C CNN
+F 2 "" H 4700 4100 50  0001 C CNN
+F 3 "~" H 4700 4100 50  0001 C CNN
+	1    4700 4100
+	-1   0    0    -1  
+$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
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+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
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+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
+$EndSCHEMATC