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Simon's and Max' camera steering hardware for the Raspberry Pi.
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SaMcam_hw/SaMcam_shield/motor_drivers.sch

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EESchema Schematic File Version 4
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Text Notes 4900 1900 0 50 ~ 0
Irms = ((CS+1) / 32) * (Vfs / (Rsense+30 mΩ) ) * (1/sqrt(2)) * (Vref/2.5 V)\n\nIrms = 37.92 mA\nwith CS = 31; Vfs = 325 mV; Rsense = 3 Ω and Vref = 1.25 V
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Wire Wire Line
8950 1800 9500 1800
$Comp
L power:GND #PWR?
U 1 1 6061C3B0
P 8950 1800
F 0 "#PWR?" H 8950 1550 50 0001 C CNN
F 1 "GND" H 8955 1627 50 0000 C CNN
F 2 "" H 8950 1800 50 0001 C CNN
F 3 "" H 8950 1800 50 0001 C CNN
1 8950 1800
1 0 0 -1
$EndComp
$Comp
L Device:D_TVS D?
U 1 1 60664208
P 9800 3700
F 0 "D?" V 9754 3780 50 0000 L CNN
F 1 "D_TVS" V 9845 3780 50 0000 L CNN
F 2 "Diode_SMD:D_2114_3652Metric" H 9800 3700 50 0001 C CNN
F 3 "https://www.we-online.de/katalog/datasheet/824521241.pdf" H 9800 3700 50 0001 C CNN
F 4 "732-9746-1-ND" V 9800 3700 50 0001 C CNN "Digikey"
1 9800 3700
0 1 1 0
$EndComp
$Comp
L Device:D_TVS D?
U 1 1 6066420F
P 9800 3300
F 0 "D?" V 9754 3380 50 0000 L CNN
F 1 "D_TVS" V 9845 3380 50 0000 L CNN
F 2 "Diode_SMD:D_2114_3652Metric" H 9800 3300 50 0001 C CNN
F 3 "https://www.we-online.de/katalog/datasheet/824521241.pdf" H 9800 3300 50 0001 C CNN
F 4 "732-9746-1-ND" V 9800 3300 50 0001 C CNN "Digikey"
1 9800 3300
0 1 1 0
$EndComp
$Comp
L Device:D_TVS D?
U 1 1 60664216
P 9800 4050
F 0 "D?" V 9754 4130 50 0000 L CNN
F 1 "D_TVS" V 9845 4130 50 0000 L CNN
F 2 "Diode_SMD:D_2114_3652Metric" H 9800 4050 50 0001 C CNN
F 3 "https://www.we-online.de/katalog/datasheet/824521241.pdf" H 9800 4050 50 0001 C CNN
F 4 "732-9746-1-ND" V 9800 4050 50 0001 C CNN "Digikey"
1 9800 4050
0 1 1 0
$EndComp
$Comp
L Device:C_Small C?
U 1 1 6066421D
P 9500 3300
F 0 "C?" H 9409 3254 50 0000 R CNN
F 1 "470 pF" H 9409 3345 50 0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9500 3300 50 0001 C CNN
F 3 "~" H 9500 3300 50 0001 C CNN
F 4 "490-1467-1-ND" H 9500 3300 50 0001 C CNN "Digikey"
1 9500 3300
1 0 0 1
$EndComp
$Comp
L Device:C_Small C?
U 1 1 60664224
P 9500 4050
F 0 "C?" H 9409 4004 50 0000 R CNN
F 1 "470 pF" H 9409 4095 50 0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9500 4050 50 0001 C CNN
F 3 "~" H 9500 4050 50 0001 C CNN
F 4 "490-1467-1-ND" H 9500 4050 50 0001 C CNN "Digikey"
1 9500 4050
1 0 0 1
$EndComp
Wire Wire Line
9050 3500 9500 3500
Wire Wire Line
9500 3400 9500 3500
Wire Wire Line
9050 3900 9500 3900
Wire Wire Line
9500 3950 9500 3900
Connection ~ 9500 3900
Wire Wire Line
9500 3900 9800 3900
Wire Wire Line
9800 3850 9800 3900
Connection ~ 9800 3900
Wire Wire Line
9500 3500 9800 3500
Connection ~ 9500 3500
Wire Wire Line
9800 3500 9800 3550
Wire Wire Line
8950 4200 9500 4200
Wire Wire Line
9500 4150 9500 4200
Connection ~ 9500 4200
Wire Wire Line
9500 4200 9800 4200
Wire Wire Line
9500 3050 9500 3200
$Comp
L Device:L_Small L?
U 1 1 60669733
P 8950 3500
F 0 "L?" V 9050 3500 50 0000 C CNN
F 1 "50 R @100 MHz" V 8850 3500 50 0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric" H 8950 3500 50 0001 C CNN
F 3 "https://katalog.we-online.de/pbs/datasheet/742792114.pdf" H 8950 3500 50 0001 C CNN
F 4 "732-1621-6-ND" V 8950 3500 50 0001 C CNN "Digikey"
1 8950 3500
0 -1 -1 0
$EndComp
$Comp
L Device:L_Small L?
U 1 1 6066973A
P 8950 3900
F 0 "L?" V 9050 3900 50 0000 C CNN
F 1 "50 R @100 MHz" V 8850 3900 50 0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric" H 8950 3900 50 0001 C CNN
F 3 "https://katalog.we-online.de/pbs/datasheet/742792114.pdf" H 8950 3900 50 0001 C CNN
F 4 "732-1621-6-ND" V 8950 3900 50 0001 C CNN "Digikey"
1 8950 3900
0 -1 -1 0
$EndComp
Wire Wire Line
9500 2600 9800 2600
Connection ~ 9500 2600
Connection ~ 9800 2600
Wire Wire Line
9800 2600 9800 2650
Wire Wire Line
9800 3450 9800 3500
Connection ~ 9800 3500
Wire Wire Line
9800 3150 9800 3050
Wire Wire Line
9500 3050 9800 3050
Connection ~ 9800 3050
Wire Wire Line
9800 3050 9800 2950
Wire Wire Line
4800 2700 5400 2700
$Comp
L power:GND #PWR?
U 1 1 60795475
P 8950 4200
F 0 "#PWR?" H 8950 3950 50 0001 C CNN
F 1 "GND" H 8955 4027 50 0000 C CNN
F 2 "" H 8950 4200 50 0001 C CNN
F 3 "" H 8950 4200 50 0001 C CNN
1 8950 4200
1 0 0 -1
$EndComp
$Comp
L Device:R_Small R?
U 1 1 6080A0C2
P 10300 4800
F 0 "R?" V 10200 4800 50 0000 C CNN
F 1 "10.2 k" V 10400 4800 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 10300 4800 50 0001 C CNN
F 3 "~" H 10300 4800 50 0001 C CNN
F 4 "YAG5252CT-ND" V 10300 4800 50 0001 C CNN "Digikey"
1 10300 4800
-1 0 0 1
$EndComp
$Comp
L power:VD #PWR?
U 1 1 6081C79A
P 10300 4650
F 0 "#PWR?" H 10300 4500 50 0001 C CNN
F 1 "VD" H 10315 4823 50 0000 C CNN
F 2 "" H 10300 4650 50 0001 C CNN
F 3 "" H 10300 4650 50 0001 C CNN
1 10300 4650
1 0 0 -1
$EndComp
$Comp
L Device:R_Small R?
U 1 1 60826984
P 1800 5100
F 0 "R?" V 1700 5100 50 0000 C CNN
F 1 "10.2 k" V 1900 5100 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 1800 5100 50 0001 C CNN
F 3 "~" H 1800 5100 50 0001 C CNN
F 4 "YAG5252CT-ND" V 1800 5100 50 0001 C CNN "Digikey"
1 1800 5100
0 -1 -1 0
$EndComp
Wire Wire Line
10300 4900 10300 5050
Connection ~ 10300 5050
Wire Wire Line
10300 5050 10400 5050
Wire Wire Line
10300 4700 10300 4650
$Comp
L Device:R_Small R?
U 1 1 6083664A
P 1550 5300
F 0 "R?" V 1450 5300 50 0000 C CNN
F 1 "10.2 k" V 1650 5300 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 1550 5300 50 0001 C CNN
F 3 "~" H 1550 5300 50 0001 C CNN
F 4 "YAG5252CT-ND" V 1550 5300 50 0001 C CNN "Digikey"
1 1550 5300
1 0 0 -1
$EndComp
Wire Wire Line
1550 5200 1550 5100
Connection ~ 1550 5100
Wire Wire Line
1550 5100 1700 5100
$Comp
L power:GND #PWR?
U 1 1 6083F833
P 1550 5500
F 0 "#PWR?" H 1550 5250 50 0001 C CNN
F 1 "GND" H 1555 5327 50 0000 C CNN
F 2 "" H 1550 5500 50 0001 C CNN
F 3 "" H 1550 5500 50 0001 C CNN
1 1550 5500
1 0 0 -1
$EndComp
Wire Wire Line
2200 5500 2200 5300
Wire Wire Line
1550 5400 1550 5500
$Comp
L Device:R_Small R?
U 1 1 60856D98
P 10000 4800
F 0 "R?" V 9900 4800 50 0000 C CNN
F 1 "10.2 k" V 10100 4800 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 10000 4800 50 0001 C CNN
F 3 "~" H 10000 4800 50 0001 C CNN
F 4 "YAG5252CT-ND" V 10000 4800 50 0001 C CNN "Digikey"
1 10000 4800
-1 0 0 1
$EndComp
Wire Wire Line
10000 4900 10000 5450
Connection ~ 10000 5450
Wire Wire Line
10000 5450 10400 5450
$Comp
L power:VD #PWR?
U 1 1 6085BBA1
P 10000 4650
F 0 "#PWR?" H 10000 4500 50 0001 C CNN
F 1 "VD" H 10015 4823 50 0000 C CNN
F 2 "" H 10000 4650 50 0001 C CNN
F 3 "" H 10000 4650 50 0001 C CNN
1 10000 4650
1 0 0 -1
$EndComp
Wire Wire Line
10000 4650 10000 4700
$Comp
L Device:R_Small R?
U 1 1 608604E5
P 9700 4800
F 0 "R?" V 9600 4800 50 0000 C CNN
F 1 "10.2 k" V 9800 4800 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 9700 4800 50 0001 C CNN
F 3 "~" H 9700 4800 50 0001 C CNN
F 4 "YAG5252CT-ND" V 9700 4800 50 0001 C CNN "Digikey"
1 9700 4800
-1 0 0 1
$EndComp
Wire Wire Line
9700 4900 9700 5650
Connection ~ 9700 5650
Wire Wire Line
9700 5650 10400 5650
$Comp
L power:VD #PWR?
U 1 1 6086B52B
P 9700 4650
F 0 "#PWR?" H 9700 4500 50 0001 C CNN
F 1 "VD" H 9715 4823 50 0000 C CNN
F 2 "" H 9700 4650 50 0001 C CNN
F 3 "" H 9700 4650 50 0001 C CNN
1 9700 4650
1 0 0 -1
$EndComp
Wire Wire Line
9700 4650 9700 4700
$Comp
L Device:R_Small R?
U 1 1 6087041B
P 9400 4800
F 0 "R?" V 9300 4800 50 0000 C CNN
F 1 "10.2 k" V 9500 4800 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 9400 4800 50 0001 C CNN
F 3 "~" H 9400 4800 50 0001 C CNN
F 4 "YAG5252CT-ND" V 9400 4800 50 0001 C CNN "Digikey"
1 9400 4800
-1 0 0 1
$EndComp
Wire Wire Line
9400 4900 9400 5850
Connection ~ 9400 5850
Wire Wire Line
9400 5850 10400 5850
$Comp
L power:VD #PWR?
U 1 1 60874EF6
P 9400 4650
F 0 "#PWR?" H 9400 4500 50 0001 C CNN
F 1 "VD" H 9415 4823 50 0000 C CNN
F 2 "" H 9400 4650 50 0001 C CNN
F 3 "" H 9400 4650 50 0001 C CNN
1 9400 4650
1 0 0 -1
$EndComp
$Comp
L Device:R_Small R?
U 1 1 60885F63
P 6850 2850
F 0 "R?" H 7050 2850 50 0000 C CNN
F 1 "3" H 6950 2850 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6850 2850 50 0001 C CNN
F 3 "~" H 6850 2850 50 0001 C CNN
F 4 "2019-RK73H1JTTD3R00FCT-ND" V 6850 2850 50 0001 C CNN "Digikey"
1 6850 2850
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 60889FA4
P 5950 3300
F 0 "#PWR?" H 5950 3050 50 0001 C CNN
F 1 "GND" H 5955 3127 50 0000 C CNN
F 2 "" H 5950 3300 50 0001 C CNN
F 3 "" H 5950 3300 50 0001 C CNN
1 5950 3300
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 6088A64D
P 6250 3300
F 0 "#PWR?" H 6250 3050 50 0001 C CNN
F 1 "GND" H 6255 3127 50 0000 C CNN
F 2 "" H 6250 3300 50 0001 C CNN
F 3 "" H 6250 3300 50 0001 C CNN
1 6250 3300
1 0 0 -1
$EndComp
Wire Wire Line
6250 3300 6250 3250
Wire Wire Line
5950 3250 5950 3300
Wire Wire Line
6250 2900 6250 3050
Wire Wire Line
4800 2900 5950 2900
Wire Wire Line
5950 3050 5950 2900
Connection ~ 5950 2900
Wire Wire Line
5950 2900 6250 2900
Wire Wire Line
6850 2750 6850 2600
Wire Wire Line
6850 2600 7150 2600
Wire Wire Line
7150 2600 7150 2750
Connection ~ 6850 2600
$Comp
L power:GND #PWR?
U 1 1 608D8625
P 6850 3000
F 0 "#PWR?" H 6850 2750 50 0001 C CNN
F 1 "GND" H 6855 2827 50 0000 C CNN
F 2 "" H 6850 3000 50 0001 C CNN
F 3 "" H 6850 3000 50 0001 C CNN
1 6850 3000
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 608D8D46
P 7150 3000
F 0 "#PWR?" H 7150 2750 50 0001 C CNN
F 1 "GND" H 7155 2827 50 0000 C CNN
F 2 "" H 7150 3000 50 0001 C CNN
F 3 "" H 7150 3000 50 0001 C CNN
1 7150 3000
1 0 0 -1
$EndComp
Wire Wire Line
7150 3000 7150 2950
Wire Wire Line
6850 2950 6850 3000
Wire Wire Line
4800 2600 6850 2600
$Comp
L Device:C_Small C?
U 1 1 6090C472
P 6250 3150
F 0 "C?" H 6159 3104 50 0000 R CNN
F 1 "100 nF" H 6159 3195 50 0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 6250 3150 50 0001 C CNN
F 3 "~" H 6250 3150 50 0001 C CNN
F 4 "1276-1000-1-ND" H 6250 3150 50 0001 C CNN "Digikey"
1 6250 3150
-1 0 0 1
$EndComp
$Comp
L Device:C_Small C?
U 1 1 6090D954
P 7150 2850
F 0 "C?" H 7059 2804 50 0000 R CNN
F 1 "100 nF" H 7059 2895 50 0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7150 2850 50 0001 C CNN
F 3 "~" H 7150 2850 50 0001 C CNN
F 4 "1276-1000-1-ND" H 7150 2850 50 0001 C CNN "Digikey"
1 7150 2850
-1 0 0 1
$EndComp
Text Notes 2500 4650 0 50 ~ 0
1 mA @ 2 V
$Comp
L Connector:TestPoint_Probe TP?
U 1 1 60922BF2
P 8800 5650
F 0 "TP?" V 8850 5850 50 0000 C CNN
F 1 "TestPoint_Probe" V 8999 5705 50 0001 C CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 9000 5650 50 0001 C CNN
F 3 "~" H 9000 5650 50 0001 C CNN
1 8800 5650
0 -1 -1 0
$EndComp
$Comp
L Connector:TestPoint_Probe TP?
U 1 1 60923472
P 8800 5850
F 0 "TP?" V 8850 6050 50 0000 C CNN
F 1 "TestPoint_Probe" V 8999 5905 50 0001 C CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 9000 5850 50 0001 C CNN
F 3 "~" H 9000 5850 50 0001 C CNN
1 8800 5850
0 -1 -1 0
$EndComp
Wire Wire Line
8800 5650 9700 5650
Wire Wire Line
8800 5850 9400 5850
$Comp
L Connector:TestPoint_Probe TP?
U 1 1 6093FAC4
P 8800 5450
F 0 "TP?" V 8850 5650 50 0000 C CNN
F 1 "TestPoint_Probe" V 8999 5505 50 0001 C CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 9000 5450 50 0001 C CNN
F 3 "~" H 9000 5450 50 0001 C CNN
1 8800 5450
0 -1 -1 0
$EndComp
$Comp
L Connector:TestPoint_Probe TP?
U 1 1 6093FF51
P 8800 5050
F 0 "TP?" V 8850 5250 50 0000 C CNN
F 1 "TestPoint_Probe" V 8999 5105 50 0001 C CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 9000 5050 50 0001 C CNN
F 3 "~" H 9000 5050 50 0001 C CNN
1 8800 5050
0 -1 -1 0
$EndComp
Wire Wire Line
8800 5050 10300 5050
Wire Wire Line
8800 5450 10000 5450
$Comp
L Connector:TestPoint_Probe TP?
U 1 1 60960904
P 10400 2200
F 0 "TP?" H 10450 2400 50 0000 L CNN
F 1 "TestPoint_Probe" H 10553 2210 50 0001 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 10600 2200 50 0001 C CNN
F 3 "~" H 10600 2200 50 0001 C CNN
1 10400 2200
1 0 0 -1
$EndComp
$Comp
L Connector:TestPoint_Probe TP?
U 1 1 6095D71A
P 10200 2200
F 0 "TP?" H 10250 2400 50 0000 L CNN
F 1 "TestPoint_Probe" H 10353 2210 50 0001 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 10400 2200 50 0001 C CNN
F 3 "~" H 10400 2200 50 0001 C CNN
1 10200 2200
1 0 0 -1
$EndComp
Wire Wire Line
10200 2200 9800 2200
Text Label 10750 2200 2 50 ~ 0
OA1
Text Label 10750 2600 2 50 ~ 0
OA2
Wire Wire Line
10200 2200 10400 2200
Connection ~ 10200 2200
Connection ~ 10400 2200
Wire Wire Line
10400 2200 10750 2200
Wire Wire Line
8250 2600 8850 2600
Text Label 8250 2600 0 50 ~ 0
OA2_FILTERED
Wire Wire Line
8250 2200 8850 2200
Text Label 8250 2200 0 50 ~ 0
OA1_FILTERED
Wire Wire Line
8250 3900 8850 3900
Text Label 8250 3900 0 50 ~ 0
OB2_FILTERED
Wire Wire Line
8250 3500 8850 3500
Text Label 8250 3500 0 50 ~ 0
OB1_FILTERED
$Comp
L Connector:TestPoint_Probe TP?
U 1 1 609BF1C1
P 1800 2800
F 0 "TP?" H 1850 3000 50 0000 L CNN
F 1 "TestPoint_Probe" H 1953 2810 50 0001 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 2000 2800 50 0001 C CNN
F 3 "~" H 2000 2800 50 0001 C CNN
1 1800 2800
1 0 0 -1
$EndComp
Text Label 10750 3500 2 50 ~ 0
OB1
Wire Wire Line
10200 3500 9800 3500
Connection ~ 10200 3500
$Comp
L Connector:TestPoint_Probe TP?
U 1 1 6098B893
P 10200 3500
F 0 "TP?" H 10250 3700 50 0000 L CNN
F 1 "TestPoint_Probe" H 10353 3510 50 0001 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 10400 3500 50 0001 C CNN
F 3 "~" H 10400 3500 50 0001 C CNN
1 10200 3500
1 0 0 -1
$EndComp
Wire Wire Line
10400 3500 10750 3500
Wire Wire Line
10200 3500 10400 3500
Connection ~ 10400 3500
$Comp
L Connector:TestPoint_Probe TP?
U 1 1 6098B88D
P 10400 3500
F 0 "TP?" H 10450 3700 50 0000 L CNN
F 1 "TestPoint_Probe" H 10553 3510 50 0001 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 10600 3500 50 0001 C CNN
F 3 "~" H 10600 3500 50 0001 C CNN
1 10400 3500
1 0 0 -1
$EndComp
Text Label 10750 3900 2 50 ~ 0
OB2
Wire Wire Line
9800 3900 10750 3900
Wire Wire Line
9800 2600 10750 2600
Text Notes 3450 5900 0 50 ~ 0
Vref = V5v * R2 / (R1+R2) = 1.25 V (default)\nCan be overwritten by DAC.
Text Label 4600 5250 2 50 ~ 0
VREF_OVR
Wire Wire Line
4600 5250 4150 5250
Text Label 8850 6050 0 50 ~ 0
VREF_OVR
Connection ~ 3450 5250
$Comp
L Connector:TestPoint_Probe TP?
U 1 1 605BD8CD
P 3450 5250
F 0 "TP?" V 3649 5305 50 0000 C CNN
F 1 "TestPoint_Probe" H 3603 5260 50 0001 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 3650 5250 50 0001 C CNN
F 3 "~" H 3650 5250 50 0001 C CNN
1 3450 5250
0 -1 -1 0
$EndComp
Wire Wire Line
8850 6050 10400 6050
Text HLabel 10400 5050 2 50 BiDi ~ 0
~PDN_UART
Text HLabel 10400 5250 2 50 Output ~ 0
DIAG
Text HLabel 10400 5450 2 50 Input ~ 0
~EN
Text HLabel 10400 5650 2 50 Input ~ 0
STEP
Text HLabel 10400 5850 2 50 Input ~ 0
DIR
Text HLabel 10400 6050 2 50 Input ~ 0
VREF_OVR
$EndSCHEMATC