TMC2209.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 6
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L tmc2209:TMC2209-LA U3
U 2 1 5F669B63
P 5550 3250
AR Path="/5F668894/5F669B63" Ref="U3"  Part="2" 
AR Path="/5F6688EA/5F669B63" Ref="U6"  Part="2" 
AR Path="/5F668910/5F669B63" Ref="U9"  Part="2" 
AR Path="/5F668944/5F669B63" Ref="U12"  Part="2" 
AR Path="/5FBA2AFF/5F669B63" Ref="U3"  Part="2" 
F 0 "U3" H 6350 3637 60  0000 C CNN
F 1 "TMC2209-LA" H 6350 3531 60  0000 C CNN
F 2 "Package_DFN_QFN:QFN-28-1EP_5x5mm_P0.5mm_EP3.35x3.35mm_ThermalVias" H 6550 3490 60  0001 C CNN
F 3 "" H 5550 3250 60  0000 C CNN
	2    5550 3250
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x04_Male J3
U 1 1 5F6723CC
P 10750 3100
AR Path="/5F668894/5F6723CC" Ref="J3"  Part="1" 
AR Path="/5F6688EA/5F6723CC" Ref="J5"  Part="1" 
AR Path="/5F668910/5F6723CC" Ref="J7"  Part="1" 
AR Path="/5F668944/5F6723CC" Ref="J9"  Part="1" 
AR Path="/5FBA2AFF/5F6723CC" Ref="J3"  Part="1" 
F 0 "J3" H 10722 2982 50  0000 R CNN
F 1 "Conn_01x04_Male" V 10600 3350 50  0000 R CNN
F 2 "Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical" H 10750 3100 50  0001 C CNN
F 3 "~" H 10750 3100 50  0001 C CNN
	1    10750 3100
	-1   0    0    1   
$EndComp
Text Label 9200 3100 2    50   ~ 0
coilA_1
Text Label 9200 3200 2    50   ~ 0
coilA_2
Text Label 9200 3000 2    50   ~ 0
coilB_1
Text Label 9200 2900 2    50   ~ 0
coilB_2
Text Label 7450 1850 0    50   ~ 0
coilB_1
Wire Wire Line
	7450 1850 7350 1850
$Comp
L Device:C C15
U 1 1 5F676A18
P 2550 5950
AR Path="/5F668894/5F676A18" Ref="C15"  Part="1" 
AR Path="/5F6688EA/5F676A18" Ref="C36"  Part="1" 
AR Path="/5F668910/5F676A18" Ref="C57"  Part="1" 
AR Path="/5F668944/5F676A18" Ref="C78"  Part="1" 
AR Path="/5FBA2AFF/5F676A18" Ref="C15"  Part="1" 
F 0 "C15" H 2665 5996 50  0000 L CNN
F 1 "22nF 50V" H 2665 5905 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2588 5800 50  0001 C CNN
F 3 "~" H 2550 5950 50  0001 C CNN
	1    2550 5950
	1    0    0    -1  
$EndComp
Text Label 5250 1150 2    50   ~ 0
chargePumpIn
Wire Wire Line
	5250 1150 5350 1150
Text Label 7450 1150 0    50   ~ 0
chargePumpOut
Wire Wire Line
	7450 1150 7350 1150
Text Label 2550 6200 3    50   ~ 0
chargePumpOut
Text Label 2550 5700 1    50   ~ 0
chargePumpIn
Wire Wire Line
	2550 6100 2550 6200
Wire Wire Line
	2550 5700 2550 5800
$Comp
L power:GND #PWR0118
U 1 1 5F679FFB
P 7200 3450
AR Path="/5F668894/5F679FFB" Ref="#PWR0118"  Part="1" 
AR Path="/5F6688EA/5F679FFB" Ref="#PWR0164"  Part="1" 
AR Path="/5F668910/5F679FFB" Ref="#PWR0210"  Part="1" 
AR Path="/5F668944/5F679FFB" Ref="#PWR0256"  Part="1" 
AR Path="/5FBA2AFF/5F679FFB" Ref="#PWR0118"  Part="1" 
F 0 "#PWR0118" H 7200 3200 50  0001 C CNN
F 1 "GND" H 7205 3277 50  0000 C CNN
F 2 "" H 7200 3450 50  0001 C CNN
F 3 "" H 7200 3450 50  0001 C CNN
	1    7200 3450
	1    0    0    -1  
$EndComp
Wire Wire Line
	7150 3250 7200 3250
Wire Wire Line
	7200 3250 7200 3350
Wire Wire Line
	7150 3350 7200 3350
Connection ~ 7200 3350
Wire Wire Line
	7200 3350 7200 3450
$Comp
L Device:C C12
U 1 1 5F67B7F4
P 1700 5950
AR Path="/5F668894/5F67B7F4" Ref="C12"  Part="1" 
AR Path="/5F6688EA/5F67B7F4" Ref="C33"  Part="1" 
AR Path="/5F668910/5F67B7F4" Ref="C54"  Part="1" 
AR Path="/5F668944/5F67B7F4" Ref="C75"  Part="1" 
AR Path="/5FBA2AFF/5F67B7F4" Ref="C12"  Part="1" 
F 0 "C12" H 1815 5996 50  0000 L CNN
F 1 "100nF 35V" H 1815 5905 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1738 5800 50  0001 C CNN
F 3 "~" H 1700 5950 50  0001 C CNN
	1    1700 5950
	1    0    0    -1  
$EndComp
Wire Wire Line
	1700 5800 1700 5700
Wire Wire Line
	5450 3450 5550 3450
Text Label 7450 1050 0    50   ~ 0
internal5VReg
Wire Wire Line
	7450 1050 7350 1050
Text Label 3400 5700 0    50   ~ 0
internal5VReg
$Comp
L power:GND #PWR0120
U 1 1 5F68159D
P 3400 6150
AR Path="/5F668894/5F68159D" Ref="#PWR0120"  Part="1" 
AR Path="/5F6688EA/5F68159D" Ref="#PWR0166"  Part="1" 
AR Path="/5F668910/5F68159D" Ref="#PWR0212"  Part="1" 
AR Path="/5F668944/5F68159D" Ref="#PWR0258"  Part="1" 
AR Path="/5FBA2AFF/5F68159D" Ref="#PWR0120"  Part="1" 
F 0 "#PWR0120" H 3400 5900 50  0001 C CNN
F 1 "GND" H 3405 5977 50  0000 C CNN
F 2 "" H 3400 6150 50  0001 C CNN
F 3 "" H 3400 6150 50  0001 C CNN
	1    3400 6150
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 6100 3400 6150
Wire Wire Line
	3400 5700 3400 5800
Text Notes 5050 5750 2    50   ~ 0
micro step selection:  \n00: 8th, \n01: 32th, \n10: 64th, \n11: 16th\nor uart address
Wire Wire Line
	5550 3350 5350 3350
Wire Wire Line
	5250 1650 5350 1650
Wire Wire Line
	5250 1250 5350 1250
Wire Wire Line
	5550 3650 5550 3750
Text Notes 3000 6450 0    50   ~ 0
close to 5v out pin
$Comp
L Device:CP C6
U 1 1 5F688B39
P 900 3800
AR Path="/5F668894/5F688B39" Ref="C6"  Part="1" 
AR Path="/5F6688EA/5F688B39" Ref="C27"  Part="1" 
AR Path="/5F668910/5F688B39" Ref="C48"  Part="1" 
AR Path="/5F668944/5F688B39" Ref="C69"  Part="1" 
AR Path="/5FBA2AFF/5F688B39" Ref="C6"  Part="1" 
F 0 "C6" H 1018 3846 50  0000 L CNN
F 1 "330uF 35V" H 1018 3755 50  0000 L CNN
F 2 "Capacitor_SMD:CP_Elec_10x10.5" H 938 3650 50  0001 C CNN
F 3 "~" H 900 3800 50  0001 C CNN
	1    900  3800
	1    0    0    -1  
$EndComp
Text Label 7450 1750 0    50   ~ 0
coilB_2
Wire Wire Line
	7450 1750 7350 1750
Text Label 7450 1550 0    50   ~ 0
coilA_1
Wire Wire Line
	7450 1450 7350 1450
Text Label 7450 1450 0    50   ~ 0
coilA_2
Wire Wire Line
	7450 1550 7350 1550
$Comp
L Device:R R9
U 1 1 5F68B408
P 9250 5800
AR Path="/5F668894/5F68B408" Ref="R9"  Part="1" 
AR Path="/5F6688EA/5F68B408" Ref="R21"  Part="1" 
AR Path="/5F668910/5F68B408" Ref="R33"  Part="1" 
AR Path="/5F668944/5F68B408" Ref="R45"  Part="1" 
AR Path="/5FBA2AFF/5F68B408" Ref="R9"  Part="1" 
F 0 "R9" V 9250 5800 50  0000 C CNN
F 1 "270m" V 9350 5800 50  0000 C CNN
F 2 "Resistor_SMD:R_0612_1632Metric" V 9180 5800 50  0001 C CNN
F 3 "~" H 9250 5800 50  0001 C CNN
	1    9250 5800
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0123
U 1 1 5F68FB54
P 4500 2050
AR Path="/5F668894/5F68FB54" Ref="#PWR0123"  Part="1" 
AR Path="/5F6688EA/5F68FB54" Ref="#PWR0169"  Part="1" 
AR Path="/5F668910/5F68FB54" Ref="#PWR0215"  Part="1" 
AR Path="/5F668944/5F68FB54" Ref="#PWR0261"  Part="1" 
AR Path="/5FBA2AFF/5F68FB54" Ref="#PWR0123"  Part="1" 
F 0 "#PWR0123" H 4500 1800 50  0001 C CNN
F 1 "GND" H 4505 1877 50  0000 C CNN
F 2 "" H 4500 2050 50  0001 C CNN
F 3 "" H 4500 2050 50  0001 C CNN
	1    4500 2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	4500 2050 5350 2050
Wire Wire Line
	5350 2150 5250 2150
Text Label 5250 2150 2    50   ~ 0
ustep_Addr0
Text Label 5250 2250 2    50   ~ 0
ustep_Addr1
Wire Wire Line
	5350 2250 5250 2250
Text Label 5250 5700 3    50   ~ 0
ustep_Addr0
Text Label 5750 5700 3    50   ~ 0
ustep_Addr1
Text Label 1700 6150 3    50   ~ 0
chargePumpVoltage
Text Notes 1850 6700 1    50   ~ 0
close to vcp
$Comp
L Device:C C8
U 1 1 5F6982E2
P 700 5950
AR Path="/5F668894/5F6982E2" Ref="C8"  Part="1" 
AR Path="/5F6688EA/5F6982E2" Ref="C29"  Part="1" 
AR Path="/5F668910/5F6982E2" Ref="C50"  Part="1" 
AR Path="/5F668944/5F6982E2" Ref="C71"  Part="1" 
AR Path="/5FBA2AFF/5F6982E2" Ref="C8"  Part="1" 
F 0 "C8" H 815 5996 50  0000 L CNN
F 1 "100nF 35V" H 815 5905 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 738 5800 50  0001 C CNN
F 3 "~" H 700 5950 50  0001 C CNN
	1    700  5950
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0125
U 1 1 5F69877D
P 700 6150
AR Path="/5F668894/5F69877D" Ref="#PWR0125"  Part="1" 
AR Path="/5F6688EA/5F69877D" Ref="#PWR0171"  Part="1" 
AR Path="/5F668910/5F69877D" Ref="#PWR0217"  Part="1" 
AR Path="/5F668944/5F69877D" Ref="#PWR0263"  Part="1" 
AR Path="/5FBA2AFF/5F69877D" Ref="#PWR0125"  Part="1" 
F 0 "#PWR0125" H 700 5900 50  0001 C CNN
F 1 "GND" H 705 5977 50  0000 C CNN
F 2 "" H 700 6150 50  0001 C CNN
F 3 "" H 700 6150 50  0001 C CNN
	1    700  6150
	1    0    0    -1  
$EndComp
Wire Wire Line
	700  6150 700  6100
Wire Wire Line
	700  5800 700  5750
Text Notes 850  6250 0    50   ~ 0
close to vcc_io
$Comp
L power:GND #PWR0126
U 1 1 5F69A915
P 4650 1550
AR Path="/5F668894/5F69A915" Ref="#PWR0126"  Part="1" 
AR Path="/5F6688EA/5F69A915" Ref="#PWR0172"  Part="1" 
AR Path="/5F668910/5F69A915" Ref="#PWR0218"  Part="1" 
AR Path="/5F668944/5F69A915" Ref="#PWR0264"  Part="1" 
AR Path="/5FBA2AFF/5F69A915" Ref="#PWR0126"  Part="1" 
F 0 "#PWR0126" H 4650 1300 50  0001 C CNN
F 1 "GND" V 4655 1422 50  0000 R CNN
F 2 "" H 4650 1550 50  0001 C CNN
F 3 "" H 4650 1550 50  0001 C CNN
	1    4650 1550
	1    0    0    -1  
$EndComp
Text Label 5250 1850 2    50   ~ 0
senseCoilA
Wire Wire Line
	5250 1850 5350 1850
Text Label 5250 1950 2    50   ~ 0
senseCoilB
Wire Wire Line
	5250 1950 5350 1950
Text Label 9350 5450 1    50   ~ 0
senseCoilA
Text Label 10250 5450 1    50   ~ 0
senseCoilB
Wire Wire Line
	10250 5450 10250 5550
$Comp
L power:GND #PWR0127
U 1 1 5F6A50AA
P 9350 6050
AR Path="/5F668894/5F6A50AA" Ref="#PWR0127"  Part="1" 
AR Path="/5F6688EA/5F6A50AA" Ref="#PWR0173"  Part="1" 
AR Path="/5F668910/5F6A50AA" Ref="#PWR0219"  Part="1" 
AR Path="/5F668944/5F6A50AA" Ref="#PWR0265"  Part="1" 
AR Path="/5FBA2AFF/5F6A50AA" Ref="#PWR0127"  Part="1" 
F 0 "#PWR0127" H 9350 5800 50  0001 C CNN
F 1 "GND" H 9355 5877 50  0000 C CNN
F 2 "" H 9350 6050 50  0001 C CNN
F 3 "" H 9350 6050 50  0001 C CNN
	1    9350 6050
	1    0    0    -1  
$EndComp
Wire Wire Line
	9250 5950 9250 6050
$Comp
L Device:C C18
U 1 1 5F6ADEC0
P 9450 5800
AR Path="/5F668894/5F6ADEC0" Ref="C18"  Part="1" 
AR Path="/5F6688EA/5F6ADEC0" Ref="C39"  Part="1" 
AR Path="/5F668910/5F6ADEC0" Ref="C60"  Part="1" 
AR Path="/5F668944/5F6ADEC0" Ref="C81"  Part="1" 
AR Path="/5FBA2AFF/5F6ADEC0" Ref="C18"  Part="1" 
F 0 "C18" V 9500 5550 50  0000 L CNN
F 1 "100nF 35V" V 9600 5600 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9488 5650 50  0001 C CNN
F 3 "~" H 9450 5800 50  0001 C CNN
	1    9450 5800
	1    0    0    -1  
$EndComp
Wire Wire Line
	9250 5550 9350 5550
Wire Wire Line
	9450 5550 9450 5650
Wire Wire Line
	9250 5550 9250 5650
Wire Wire Line
	9450 5950 9450 6050
Wire Wire Line
	9450 6050 9350 6050
Connection ~ 9350 6050
Wire Wire Line
	9350 6050 9250 6050
Wire Wire Line
	9350 5550 9350 5450
Connection ~ 9350 5550
Wire Wire Line
	9350 5550 9450 5550
$Comp
L Device:R R10
U 1 1 5F6B7807
P 10150 5800
AR Path="/5F668894/5F6B7807" Ref="R10"  Part="1" 
AR Path="/5F6688EA/5F6B7807" Ref="R22"  Part="1" 
AR Path="/5F668910/5F6B7807" Ref="R34"  Part="1" 
AR Path="/5F668944/5F6B7807" Ref="R46"  Part="1" 
AR Path="/5FBA2AFF/5F6B7807" Ref="R10"  Part="1" 
F 0 "R10" V 10150 5800 50  0000 C CNN
F 1 "270m" V 10250 5800 50  0000 C CNN
F 2 "Resistor_SMD:R_0612_1632Metric" V 10080 5800 50  0001 C CNN
F 3 "~" H 10150 5800 50  0001 C CNN
	1    10150 5800
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0128
U 1 1 5F6B780D
P 10250 6050
AR Path="/5F668894/5F6B780D" Ref="#PWR0128"  Part="1" 
AR Path="/5F6688EA/5F6B780D" Ref="#PWR0174"  Part="1" 
AR Path="/5F668910/5F6B780D" Ref="#PWR0220"  Part="1" 
AR Path="/5F668944/5F6B780D" Ref="#PWR0266"  Part="1" 
AR Path="/5FBA2AFF/5F6B780D" Ref="#PWR0128"  Part="1" 
F 0 "#PWR0128" H 10250 5800 50  0001 C CNN
F 1 "GND" H 10255 5877 50  0000 C CNN
F 2 "" H 10250 6050 50  0001 C CNN
F 3 "" H 10250 6050 50  0001 C CNN
	1    10250 6050
	1    0    0    -1  
$EndComp
Wire Wire Line
	10150 5950 10150 6050
$Comp
L Device:C C21
U 1 1 5F6B7814
P 10350 5800
AR Path="/5F668894/5F6B7814" Ref="C21"  Part="1" 
AR Path="/5F6688EA/5F6B7814" Ref="C42"  Part="1" 
AR Path="/5F668910/5F6B7814" Ref="C63"  Part="1" 
AR Path="/5F668944/5F6B7814" Ref="C84"  Part="1" 
AR Path="/5FBA2AFF/5F6B7814" Ref="C21"  Part="1" 
F 0 "C21" V 10400 5600 50  0000 L CNN
F 1 "100nF 35V" V 10500 5600 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 10388 5650 50  0001 C CNN
F 3 "~" H 10350 5800 50  0001 C CNN
	1    10350 5800
	1    0    0    -1  
$EndComp
Wire Wire Line
	10350 5550 10350 5650
Wire Wire Line
	10150 5550 10150 5650
Wire Wire Line
	10350 5950 10350 6050
Wire Wire Line
	10350 6050 10250 6050
Connection ~ 10250 6050
Wire Wire Line
	10250 6050 10150 6050
Wire Wire Line
	10150 5550 10250 5550
Connection ~ 10250 5550
Wire Wire Line
	10250 5550 10350 5550
$Comp
L Device:C C17
U 1 1 5F6BEBCD
P 9250 3500
AR Path="/5F668894/5F6BEBCD" Ref="C17"  Part="1" 
AR Path="/5F6688EA/5F6BEBCD" Ref="C38"  Part="1" 
AR Path="/5F668910/5F6BEBCD" Ref="C59"  Part="1" 
AR Path="/5F668944/5F6BEBCD" Ref="C80"  Part="1" 
AR Path="/5FBA2AFF/5F6BEBCD" Ref="C17"  Part="1" 
F 0 "C17" V 9300 3300 50  0000 L CNN
F 1 "470pF 100V" V 9100 3300 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9288 3350 50  0001 C CNN
F 3 "~" H 9250 3500 50  0001 C CNN
	1    9250 3500
	1    0    0    -1  
$EndComp
$Comp
L Device:C C19
U 1 1 5F6C284E
P 9650 3500
AR Path="/5F668894/5F6C284E" Ref="C19"  Part="1" 
AR Path="/5F6688EA/5F6C284E" Ref="C40"  Part="1" 
AR Path="/5F668910/5F6C284E" Ref="C61"  Part="1" 
AR Path="/5F668944/5F6C284E" Ref="C82"  Part="1" 
AR Path="/5FBA2AFF/5F6C284E" Ref="C19"  Part="1" 
F 0 "C19" V 9700 3300 50  0000 L CNN
F 1 "470pF 100V" V 9500 3300 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9688 3350 50  0001 C CNN
F 3 "~" H 9650 3500 50  0001 C CNN
	1    9650 3500
	1    0    0    -1  
$EndComp
$Comp
L Device:C C20
U 1 1 5F6C3193
P 10100 3500
AR Path="/5F668894/5F6C3193" Ref="C20"  Part="1" 
AR Path="/5F6688EA/5F6C3193" Ref="C41"  Part="1" 
AR Path="/5F668910/5F6C3193" Ref="C62"  Part="1" 
AR Path="/5F668944/5F6C3193" Ref="C83"  Part="1" 
AR Path="/5FBA2AFF/5F6C3193" Ref="C20"  Part="1" 
F 0 "C20" V 10150 3300 50  0000 L CNN
F 1 "470pF 100V" V 9950 3300 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 10138 3350 50  0001 C CNN
F 3 "~" H 10100 3500 50  0001 C CNN
	1    10100 3500
	1    0    0    -1  
$EndComp
$Comp
L Device:C C22
U 1 1 5F6C3E0C
P 10500 3500
AR Path="/5F668894/5F6C3E0C" Ref="C22"  Part="1" 
AR Path="/5F6688EA/5F6C3E0C" Ref="C43"  Part="1" 
AR Path="/5F668910/5F6C3E0C" Ref="C64"  Part="1" 
AR Path="/5F668944/5F6C3E0C" Ref="C85"  Part="1" 
AR Path="/5FBA2AFF/5F6C3E0C" Ref="C22"  Part="1" 
F 0 "C22" V 10550 3300 50  0000 L CNN
F 1 "470pF 100V" V 10350 3300 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 10538 3350 50  0001 C CNN
F 3 "~" H 10500 3500 50  0001 C CNN
	1    10500 3500
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0129
U 1 1 5F6C4102
P 9250 3700
AR Path="/5F668894/5F6C4102" Ref="#PWR0129"  Part="1" 
AR Path="/5F6688EA/5F6C4102" Ref="#PWR0175"  Part="1" 
AR Path="/5F668910/5F6C4102" Ref="#PWR0221"  Part="1" 
AR Path="/5F668944/5F6C4102" Ref="#PWR0267"  Part="1" 
AR Path="/5FBA2AFF/5F6C4102" Ref="#PWR0129"  Part="1" 
F 0 "#PWR0129" H 9250 3450 50  0001 C CNN
F 1 "GND" H 9255 3527 50  0000 C CNN
F 2 "" H 9250 3700 50  0001 C CNN
F 3 "" H 9250 3700 50  0001 C CNN
	1    9250 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	9250 3700 9250 3650
$Comp
L power:GND #PWR0130
U 1 1 5F6C5913
P 9650 3700
AR Path="/5F668894/5F6C5913" Ref="#PWR0130"  Part="1" 
AR Path="/5F6688EA/5F6C5913" Ref="#PWR0176"  Part="1" 
AR Path="/5F668910/5F6C5913" Ref="#PWR0222"  Part="1" 
AR Path="/5F668944/5F6C5913" Ref="#PWR0268"  Part="1" 
AR Path="/5FBA2AFF/5F6C5913" Ref="#PWR0130"  Part="1" 
F 0 "#PWR0130" H 9650 3450 50  0001 C CNN
F 1 "GND" H 9655 3527 50  0000 C CNN
F 2 "" H 9650 3700 50  0001 C CNN
F 3 "" H 9650 3700 50  0001 C CNN
	1    9650 3700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0131
U 1 1 5F6C5BCE
P 10100 3700
AR Path="/5F668894/5F6C5BCE" Ref="#PWR0131"  Part="1" 
AR Path="/5F6688EA/5F6C5BCE" Ref="#PWR0177"  Part="1" 
AR Path="/5F668910/5F6C5BCE" Ref="#PWR0223"  Part="1" 
AR Path="/5F668944/5F6C5BCE" Ref="#PWR0269"  Part="1" 
AR Path="/5FBA2AFF/5F6C5BCE" Ref="#PWR0131"  Part="1" 
F 0 "#PWR0131" H 10100 3450 50  0001 C CNN
F 1 "GND" H 10105 3527 50  0000 C CNN
F 2 "" H 10100 3700 50  0001 C CNN
F 3 "" H 10100 3700 50  0001 C CNN
	1    10100 3700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0132
U 1 1 5F6C6042
P 10500 3700
AR Path="/5F668894/5F6C6042" Ref="#PWR0132"  Part="1" 
AR Path="/5F6688EA/5F6C6042" Ref="#PWR0178"  Part="1" 
AR Path="/5F668910/5F6C6042" Ref="#PWR0224"  Part="1" 
AR Path="/5F668944/5F6C6042" Ref="#PWR0270"  Part="1" 
AR Path="/5FBA2AFF/5F6C6042" Ref="#PWR0132"  Part="1" 
F 0 "#PWR0132" H 10500 3450 50  0001 C CNN
F 1 "GND" H 10505 3527 50  0000 C CNN
F 2 "" H 10500 3700 50  0001 C CNN
F 3 "" H 10500 3700 50  0001 C CNN
	1    10500 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	10500 3650 10500 3700
Wire Wire Line
	10100 3650 10100 3700
Wire Wire Line
	9650 3650 9650 3700
Wire Wire Line
	9200 3200 9250 3200
Wire Wire Line
	9200 3100 9650 3100
Wire Wire Line
	9250 3350 9250 3200
Connection ~ 9250 3200
Wire Wire Line
	9650 3100 9650 3350
Connection ~ 9650 3100
Wire Wire Line
	9250 3200 10550 3200
Wire Wire Line
	9650 3100 10550 3100
Wire Wire Line
	9200 3000 10100 3000
Wire Wire Line
	9200 2900 10500 2900
Wire Wire Line
	10100 3350 10100 3000
Connection ~ 10100 3000
Wire Wire Line
	10100 3000 10550 3000
Wire Wire Line
	10500 3350 10500 2900
Connection ~ 10500 2900
Wire Wire Line
	10500 2900 10550 2900
Text Notes 9400 4100 0    50   ~ 0
esd protection caps\nclose to connector
Text Notes 8850 4850 0    50   ~ 0
sourcing: low L (film/composite type), \nmust handle full I²R peak power of \nmotor current (0.8A max)\n\n
Text Notes 5550 4300 0    50   ~ 0
layout:  P in high current condition  around  1.4W\n70x133mm 4 layer board  30 K/W\nJunction-Pad 6 K/W
$Comp
L Device:C C13
U 1 1 5F71C86D
P 1350 1850
AR Path="/5F668894/5F71C86D" Ref="C13"  Part="1" 
AR Path="/5F6688EA/5F71C86D" Ref="C34"  Part="1" 
AR Path="/5F668910/5F71C86D" Ref="C55"  Part="1" 
AR Path="/5F668944/5F71C86D" Ref="C76"  Part="1" 
AR Path="/5FBA2AFF/5F71C86D" Ref="C13"  Part="1" 
F 0 "C13" H 1465 1896 50  0000 L CNN
F 1 "100nF 35V" H 1465 1805 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1388 1700 50  0001 C CNN
F 3 "~" H 1350 1850 50  0001 C CNN
	1    1350 1850
	1    0    0    -1  
$EndComp
$Comp
L Device:C C10
U 1 1 5F71D60B
P 750 1850
AR Path="/5F668894/5F71D60B" Ref="C10"  Part="1" 
AR Path="/5F6688EA/5F71D60B" Ref="C31"  Part="1" 
AR Path="/5F668910/5F71D60B" Ref="C52"  Part="1" 
AR Path="/5F668944/5F71D60B" Ref="C73"  Part="1" 
AR Path="/5FBA2AFF/5F71D60B" Ref="C10"  Part="1" 
F 0 "C10" H 865 1896 50  0000 L CNN
F 1 "10uF 35V" H 850 1800 50  0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric" H 788 1700 50  0001 C CNN
F 3 "~" H 750 1850 50  0001 C CNN
	1    750  1850
	1    0    0    -1  
$EndComp
$Comp
L Device:C C9
U 1 1 5F732051
P 1100 1100
AR Path="/5F668894/5F732051" Ref="C9"  Part="1" 
AR Path="/5F6688EA/5F732051" Ref="C30"  Part="1" 
AR Path="/5F668910/5F732051" Ref="C51"  Part="1" 
AR Path="/5F668944/5F732051" Ref="C72"  Part="1" 
AR Path="/5FBA2AFF/5F732051" Ref="C9"  Part="1" 
F 0 "C9" V 1150 950 50  0000 L CNN
F 1 "1uF 35V" V 1250 1000 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1138 950 50  0001 C CNN
F 3 "~" H 1100 1100 50  0001 C CNN
	1    1100 1100
	0    -1   -1   0   
$EndComp
Wire Wire Line
	1350 1100 1250 1100
Wire Wire Line
	5500 3550 5550 3550
Wire Wire Line
	5150 3750 5550 3750
Wire Wire Line
	1700 6150 1700 6100
Text Notes 2750 6800 1    50   ~ 0
close to cpi, cpo
$Comp
L Device:C C16
U 1 1 5F680B42
P 3400 5950
AR Path="/5F668894/5F680B42" Ref="C16"  Part="1" 
AR Path="/5F6688EA/5F680B42" Ref="C37"  Part="1" 
AR Path="/5F668910/5F680B42" Ref="C58"  Part="1" 
AR Path="/5F668944/5F680B42" Ref="C79"  Part="1" 
AR Path="/5FBA2AFF/5F680B42" Ref="C16"  Part="1" 
F 0 "C16" H 3515 5996 50  0000 L CNN
F 1 "2.2uF 16V" H 3515 5905 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3438 5800 50  0001 C CNN
F 3 "~" H 3400 5950 50  0001 C CNN
	1    3400 5950
	1    0    0    -1  
$EndComp
$Comp
L Device:R R5
U 1 1 5F7B414C
P 4100 1150
AR Path="/5F668894/5F7B414C" Ref="R5"  Part="1" 
AR Path="/5F6688EA/5F7B414C" Ref="R17"  Part="1" 
AR Path="/5F668910/5F7B414C" Ref="R29"  Part="1" 
AR Path="/5F668944/5F7B414C" Ref="R41"  Part="1" 
AR Path="/5FBA2AFF/5F7B414C" Ref="R5"  Part="1" 
F 0 "R5" H 4170 1196 50  0000 L CNN
F 1 "22k" V 4100 1100 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 4030 1150 50  0001 C CNN
F 3 "~" H 4100 1150 50  0001 C CNN
	1    4100 1150
	1    0    0    -1  
$EndComp
Text Notes 9950 6100 1    50   ~ 0
esd protection caps\nclose to resistors
Wire Wire Line
	4050 1350 4100 1350
Connection ~ 4100 1350
Wire Wire Line
	4100 1350 5350 1350
Text Notes 600  1400 0    50   ~ 0
drive stage decoupling (one for each vs pin)
$Comp
L power:GND #PWR0141
U 1 1 5FB7A3C6
P 750 2000
AR Path="/5F668894/5FB7A3C6" Ref="#PWR0141"  Part="1" 
AR Path="/5F6688EA/5FB7A3C6" Ref="#PWR0187"  Part="1" 
AR Path="/5F668910/5FB7A3C6" Ref="#PWR0233"  Part="1" 
AR Path="/5F668944/5FB7A3C6" Ref="#PWR0279"  Part="1" 
AR Path="/5FBA2AFF/5FB7A3C6" Ref="#PWR0141"  Part="1" 
F 0 "#PWR0141" H 750 1750 50  0001 C CNN
F 1 "GND" H 755 1827 50  0000 C CNN
F 2 "" H 750 2000 50  0001 C CNN
F 3 "" H 750 2000 50  0001 C CNN
	1    750  2000
	1    0    0    -1  
$EndComp
Wire Wire Line
	750  2000 1350 2000
Connection ~ 750  2000
Wire Wire Line
	1350 1700 750  1700
Connection ~ 750  1700
$Comp
L Device:C C14
U 1 1 5FBBBB88
P 1350 2650
AR Path="/5F668894/5FBBBB88" Ref="C14"  Part="1" 
AR Path="/5F6688EA/5FBBBB88" Ref="C35"  Part="1" 
AR Path="/5F668910/5FBBBB88" Ref="C56"  Part="1" 
AR Path="/5F668944/5FBBBB88" Ref="C77"  Part="1" 
AR Path="/5FBA2AFF/5FBBBB88" Ref="C14"  Part="1" 
F 0 "C14" H 1465 2696 50  0000 L CNN
F 1 "100nF 35V" H 1465 2605 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1388 2500 50  0001 C CNN
F 3 "~" H 1350 2650 50  0001 C CNN
	1    1350 2650
	1    0    0    -1  
$EndComp
$Comp
L Device:C C11
U 1 1 5FBBBB8E
P 750 2650
AR Path="/5F668894/5FBBBB8E" Ref="C11"  Part="1" 
AR Path="/5F6688EA/5FBBBB8E" Ref="C32"  Part="1" 
AR Path="/5F668910/5FBBBB8E" Ref="C53"  Part="1" 
AR Path="/5F668944/5FBBBB8E" Ref="C74"  Part="1" 
AR Path="/5FBA2AFF/5FBBBB8E" Ref="C11"  Part="1" 
F 0 "C11" H 865 2696 50  0000 L CNN
F 1 "10uF 35V" H 850 2600 50  0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric" H 788 2500 50  0001 C CNN
F 3 "~" H 750 2650 50  0001 C CNN
	1    750  2650
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0143
U 1 1 5FBBBB94
P 750 2800
AR Path="/5F668894/5FBBBB94" Ref="#PWR0143"  Part="1" 
AR Path="/5F6688EA/5FBBBB94" Ref="#PWR0189"  Part="1" 
AR Path="/5F668910/5FBBBB94" Ref="#PWR0235"  Part="1" 
AR Path="/5F668944/5FBBBB94" Ref="#PWR0281"  Part="1" 
AR Path="/5FBA2AFF/5FBBBB94" Ref="#PWR0143"  Part="1" 
F 0 "#PWR0143" H 750 2550 50  0001 C CNN
F 1 "GND" H 755 2627 50  0000 C CNN
F 2 "" H 750 2800 50  0001 C CNN
F 3 "" H 750 2800 50  0001 C CNN
	1    750  2800
	1    0    0    -1  
$EndComp
Wire Wire Line
	750  2800 1350 2800
Connection ~ 750  2800
Wire Wire Line
	1350 2500 750  2500
Connection ~ 750  2500
$Comp
L power:GND #PWR0145
U 1 1 5FBD07A6
P 1700 1100
AR Path="/5F668894/5FBD07A6" Ref="#PWR0145"  Part="1" 
AR Path="/5F6688EA/5FBD07A6" Ref="#PWR0191"  Part="1" 
AR Path="/5F668910/5FBD07A6" Ref="#PWR0237"  Part="1" 
AR Path="/5F668944/5FBD07A6" Ref="#PWR0283"  Part="1" 
AR Path="/5FBA2AFF/5FBD07A6" Ref="#PWR0145"  Part="1" 
F 0 "#PWR0145" H 1700 850 50  0001 C CNN
F 1 "GND" H 1705 927 50  0000 C CNN
F 2 "" H 1700 1100 50  0001 C CNN
F 3 "" H 1700 1100 50  0001 C CNN
	1    1700 1100
	0    -1   -1   0   
$EndComp
Wire Wire Line
	1700 1100 1650 1100
Wire Wire Line
	950  1100 900  1100
Text Notes 550  600  0    50   ~ 0
high frequency filtering, place near chip
Wire Notes Line
	550  6950 4000 6950
Wire Notes Line
	4000 6950 4000 5100
Wire Notes Line
	4000 5100 550  5100
Wire Notes Line
	550  5100 550  6950
Wire Notes Line
	4100 5100 4100 6350
Wire Notes Line
	4100 6350 6200 6350
Wire Notes Line
	6200 6350 6200 5100
Wire Notes Line
	6200 5100 4100 5100
Wire Notes Line
	8800 4350 8800 6350
Wire Notes Line
	8800 6350 11150 6350
Wire Notes Line
	11150 6350 11150 4350
Wire Notes Line
	11150 4350 8800 4350
Wire Notes Line
	8800 2400 8800 4200
Wire Notes Line
	8800 4200 11050 4200
Wire Notes Line
	11050 4200 11050 2400
Wire Notes Line
	11050 2400 8800 2400
Text Label 5450 3450 2    50   ~ 0
chargePumpVoltage
Text Notes 10450 6150 0    50   ~ 0
P=0,4W
Text Notes 11100 6300 1    50   ~ 0
layout: each shunt must have own vias to ground
$Comp
L tmc2209:TMC2209-LA U3
U 1 1 5F668D66
P 5350 1050
AR Path="/5F668894/5F668D66" Ref="U3"  Part="1" 
AR Path="/5F6688EA/5F668D66" Ref="U6"  Part="1" 
AR Path="/5F668910/5F668D66" Ref="U9"  Part="1" 
AR Path="/5F668944/5F668D66" Ref="U12"  Part="1" 
AR Path="/5FBA2AFF/5F668D66" Ref="U3"  Part="1" 
F 0 "U3" H 6350 1437 60  0000 C CNN
F 1 "TMC2209-LA" H 6350 1331 60  0000 C CNN
F 2 "Package_DFN_QFN:QFN-28-1EP_5x5mm_P0.5mm_EP3.35x3.35mm_ThermalVias" H 6350 1290 60  0001 C CNN
F 3 "" H 5350 1050 60  0000 C CNN
	1    5350 1050
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0116
U 1 1 5FBAC390
P 750 1700
F 0 "#PWR0116" H 750 1550 50  0001 C CNN
F 1 "VCC" H 765 1873 50  0000 C CNN
F 2 "" H 750 1700 50  0001 C CNN
F 3 "" H 750 1700 50  0001 C CNN
	1    750  1700
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0117
U 1 1 5FBAC707
P 750 2500
F 0 "#PWR0117" H 750 2350 50  0001 C CNN
F 1 "VCC" H 765 2673 50  0000 C CNN
F 2 "" H 750 2500 50  0001 C CNN
F 3 "" H 750 2500 50  0001 C CNN
	1    750  2500
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0119
U 1 1 5FBACEA8
P 1700 5700
F 0 "#PWR0119" H 1700 5550 50  0001 C CNN
F 1 "VCC" H 1715 5873 50  0000 C CNN
F 2 "" H 1700 5700 50  0001 C CNN
F 3 "" H 1700 5700 50  0001 C CNN
	1    1700 5700
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0121
U 1 1 5FBAD147
P 5150 3750
F 0 "#PWR0121" H 5150 3600 50  0001 C CNN
F 1 "VCC" H 5165 3923 50  0000 C CNN
F 2 "" H 5150 3750 50  0001 C CNN
F 3 "" H 5150 3750 50  0001 C CNN
	1    5150 3750
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0122
U 1 1 5FBAE448
P 5350 3350
F 0 "#PWR0122" H 5350 3200 50  0001 C CNN
F 1 "+3V3" H 5365 3523 50  0000 C CNN
F 2 "" H 5350 3350 50  0001 C CNN
F 3 "" H 5350 3350 50  0001 C CNN
	1    5350 3350
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0135
U 1 1 5FBB6558
P 700 5750
F 0 "#PWR0135" H 700 5600 50  0001 C CNN
F 1 "+3V3" H 715 5923 50  0000 C CNN
F 2 "" H 700 5750 50  0001 C CNN
F 3 "" H 700 5750 50  0001 C CNN
	1    700  5750
	1    0    0    -1  
$EndComp
$Comp
L Device:R R?
U 1 1 5FBBACFD
P 5150 2550
AR Path="/5F668894/5FBBACFD" Ref="R?"  Part="1" 
AR Path="/5F6688EA/5FBBACFD" Ref="R?"  Part="1" 
AR Path="/5F668910/5FBBACFD" Ref="R?"  Part="1" 
AR Path="/5F668944/5FBBACFD" Ref="R?"  Part="1" 
AR Path="/5FBA2AFF/5FBBACFD" Ref="R6"  Part="1" 
F 0 "R6" H 5220 2596 50  0000 L CNN
F 1 "4.7k" V 5150 2450 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 5080 2550 50  0001 C CNN
F 3 "~" H 5150 2550 50  0001 C CNN
	1    5150 2550
	1    0    0    -1  
$EndComp
Connection ~ 5150 2350
Wire Wire Line
	5150 2350 5350 2350
Wire Wire Line
	4450 1050 5350 1050
Wire Wire Line
	4400 1450 5350 1450
Text HLabel 4050 1350 0    50   Input ~ 0
~EN
Wire Wire Line
	4100 1350 4100 1300
$Comp
L power:+3V3 #PWR0137
U 1 1 5FBCCF7A
P 4100 950
F 0 "#PWR0137" H 4100 800 50  0001 C CNN
F 1 "+3V3" H 4115 1123 50  0000 C CNN
F 2 "" H 4100 950 50  0001 C CNN
F 3 "" H 4100 950 50  0001 C CNN
	1    4100 950 
	1    0    0    -1  
$EndComp
Wire Wire Line
	4100 1000 4100 950 
Text HLabel 5250 1250 0    50   Input ~ 0
Direction
Text HLabel 5250 1650 0    50   Input ~ 0
Step
Text HLabel 4500 2350 0    50   BiDi ~ 0
UART
Text HLabel 8200 1250 2    50   Output ~ 0
Diag
NoConn ~ 7350 1350
Text Label 5500 3550 2    50   ~ 0
Vref
Text Label 7250 5800 2    50   ~ 0
Vref
$Comp
L Device:R R4
U 1 1 5FBD5461
P 4800 2350
F 0 "R4" V 4800 2350 50  0000 C CNN
F 1 "1k" V 4900 2350 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 4730 2350 50  0001 C CNN
F 3 "~" H 4800 2350 50  0001 C CNN
	1    4800 2350
	0    1    1    0   
$EndComp
Wire Wire Line
	4950 2350 5150 2350
Wire Wire Line
	4500 2350 4650 2350
$Comp
L power:GND #PWR?
U 1 1 5FBDC718
P 4400 1450
AR Path="/5F668894/5FBDC718" Ref="#PWR?"  Part="1" 
AR Path="/5F6688EA/5FBDC718" Ref="#PWR?"  Part="1" 
AR Path="/5F668910/5FBDC718" Ref="#PWR?"  Part="1" 
AR Path="/5F668944/5FBDC718" Ref="#PWR?"  Part="1" 
AR Path="/5FBA2AFF/5FBDC718" Ref="#PWR0138"  Part="1" 
F 0 "#PWR0138" H 4400 1200 50  0001 C CNN
F 1 "GND" V 4405 1322 50  0000 R CNN
F 2 "" H 4400 1450 50  0001 C CNN
F 3 "" H 4400 1450 50  0001 C CNN
	1    4400 1450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5FBDCC9B
P 4450 1050
AR Path="/5F668894/5FBDCC9B" Ref="#PWR?"  Part="1" 
AR Path="/5F6688EA/5FBDCC9B" Ref="#PWR?"  Part="1" 
AR Path="/5F668910/5FBDCC9B" Ref="#PWR?"  Part="1" 
AR Path="/5F668944/5FBDCC9B" Ref="#PWR?"  Part="1" 
AR Path="/5FBA2AFF/5FBDCC9B" Ref="#PWR0139"  Part="1" 
F 0 "#PWR0139" H 4450 800 50  0001 C CNN
F 1 "GND" V 4455 922 50  0000 R CNN
F 2 "" H 4450 1050 50  0001 C CNN
F 3 "" H 4450 1050 50  0001 C CNN
	1    4450 1050
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0140
U 1 1 5FBE39BB
P 900 1100
F 0 "#PWR0140" H 900 950 50  0001 C CNN
F 1 "VCC" V 915 1227 50  0000 L CNN
F 2 "" H 900 1100 50  0001 C CNN
F 3 "" H 900 1100 50  0001 C CNN
	1    900  1100
	0    -1   -1   0   
$EndComp
Text Notes 6600 4950 0    50   ~ 0
100% = 0.8A = Vref >= 2.5V\nConservative coil current for \ntesting motor is about 0.35A -> 43%\n43% of 2.5V Vref internal voltage = 1,09V
$Comp
L Device:R R7
U 1 1 5FBE9506
P 7350 5600
F 0 "R7" V 7350 5500 50  0000 L CNN
F 1 "22k" H 7420 5555 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 7280 5600 50  0001 C CNN
F 3 "~" H 7350 5600 50  0001 C CNN
	1    7350 5600
	1    0    0    -1  
$EndComp
Wire Wire Line
	7350 5750 7350 5800
Wire Wire Line
	7350 5800 7250 5800
$Comp
L power:+3V3 #PWR0142
U 1 1 5FBED808
P 7350 5400
F 0 "#PWR0142" H 7350 5250 50  0001 C CNN
F 1 "+3V3" H 7365 5573 50  0000 C CNN
F 2 "" H 7350 5400 50  0001 C CNN
F 3 "" H 7350 5400 50  0001 C CNN
	1    7350 5400
	1    0    0    -1  
$EndComp
Wire Wire Line
	7350 5450 7350 5400
$Comp
L Device:R R11
U 1 1 5FBF4A00
P 7350 6000
F 0 "R11" V 7350 5900 50  0000 L CNN
F 1 "10k" H 7420 5955 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 7280 6000 50  0001 C CNN
F 3 "~" H 7350 6000 50  0001 C CNN
	1    7350 6000
	1    0    0    -1  
$EndComp
Wire Wire Line
	7350 5850 7350 5800
Connection ~ 7350 5800
$Comp
L power:GND #PWR?
U 1 1 5FBF83A2
P 7350 6200
AR Path="/5F668894/5FBF83A2" Ref="#PWR?"  Part="1" 
AR Path="/5F6688EA/5FBF83A2" Ref="#PWR?"  Part="1" 
AR Path="/5F668910/5FBF83A2" Ref="#PWR?"  Part="1" 
AR Path="/5F668944/5FBF83A2" Ref="#PWR?"  Part="1" 
AR Path="/5FBA2AFF/5FBF83A2" Ref="#PWR0144"  Part="1" 
F 0 "#PWR0144" H 7350 5950 50  0001 C CNN
F 1 "GND" H 7355 6027 50  0000 C CNN
F 2 "" H 7350 6200 50  0001 C CNN
F 3 "" H 7350 6200 50  0001 C CNN
	1    7350 6200
	1    0    0    -1  
$EndComp
Wire Wire Line
	7350 6200 7350 6150
Text Notes 7650 6400 1    50   ~ 0
divider results in 0,36A current
Wire Notes Line
	6550 4600 6550 6450
Wire Notes Line
	6550 6450 8300 6450
Wire Notes Line
	8300 6450 8300 4600
Wire Notes Line
	8300 4600 6550 4600
$Comp
L Device:R R3
U 1 1 5F73296D
P 1500 1100
AR Path="/5F668894/5F73296D" Ref="R3"  Part="1" 
AR Path="/5F6688EA/5F73296D" Ref="R15"  Part="1" 
AR Path="/5F668910/5F73296D" Ref="R27"  Part="1" 
AR Path="/5F668944/5F73296D" Ref="R39"  Part="1" 
AR Path="/5FBA2AFF/5F73296D" Ref="R3"  Part="1" 
F 0 "R3" H 1570 1146 50  0000 L CNN
F 1 "1.1R 0.5W" H 1570 1055 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 1430 1100 50  0001 C CNN
F 3 "~" H 1500 1100 50  0001 C CNN
	1    1500 1100
	0    -1   -1   0   
$EndComp
$Comp
L power:+3V3 #PWR0178
U 1 1 60968396
P 5450 2650
F 0 "#PWR0178" H 5450 2500 50  0001 C CNN
F 1 "+3V3" H 5465 2823 50  0000 C CNN
F 2 "" H 5450 2650 50  0001 C CNN
F 3 "" H 5450 2650 50  0001 C CNN
	1    5450 2650
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0179
U 1 1 60984741
P 900 3600
F 0 "#PWR0179" H 900 3450 50  0001 C CNN
F 1 "VCC" V 915 3727 50  0000 L CNN
F 2 "" H 900 3600 50  0001 C CNN
F 3 "" H 900 3600 50  0001 C CNN
	1    900  3600
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 60984DF8
P 900 4000
AR Path="/5F668894/60984DF8" Ref="#PWR?"  Part="1" 
AR Path="/5F6688EA/60984DF8" Ref="#PWR?"  Part="1" 
AR Path="/5F668910/60984DF8" Ref="#PWR?"  Part="1" 
AR Path="/5F668944/60984DF8" Ref="#PWR?"  Part="1" 
AR Path="/5FBA2AFF/60984DF8" Ref="#PWR0180"  Part="1" 
F 0 "#PWR0180" H 900 3750 50  0001 C CNN
F 1 "GND" H 905 3827 50  0000 C CNN
F 2 "" H 900 4000 50  0001 C CNN
F 3 "" H 900 4000 50  0001 C CNN
	1    900  4000
	1    0    0    -1  
$EndComp
Wire Wire Line
	900  4000 900  3950
Wire Wire Line
	900  3650 900  3600
Text Notes 600  3300 0    50   ~ 0
bulk capacity\nselect low esr electrolytics (<20m)
Wire Notes Line
	550  1300 550  3050
Wire Notes Line
	550  3050 2350 3050
Wire Notes Line
	2350 3050 2350 1300
Wire Notes Line
	2350 1300 550  1300
Wire Notes Line
	550  500  550  1250
Wire Notes Line
	550  1250 2150 1250
Wire Notes Line
	2150 1250 2150 500 
Wire Notes Line
	2150 500  550  500 
Wire Notes Line
	550  3100 550  4300
Wire Notes Line
	550  4300 2050 4300
Wire Notes Line
	2050 4300 2050 3100
Wire Notes Line
	2050 3100 550  3100
Wire Wire Line
	5150 2400 5150 2350
Wire Wire Line
	5150 2700 5450 2700
Wire Wire Line
	5450 2700 5450 2650
Wire Wire Line
	4650 1550 5350 1550
$Comp
L power:GND #PWR?
U 1 1 60BC285D
P 5350 5700
AR Path="/5F668894/60BC285D" Ref="#PWR?"  Part="1" 
AR Path="/5F6688EA/60BC285D" Ref="#PWR?"  Part="1" 
AR Path="/5F668910/60BC285D" Ref="#PWR?"  Part="1" 
AR Path="/5F668944/60BC285D" Ref="#PWR?"  Part="1" 
AR Path="/5FBA2AFF/60BC285D" Ref="#PWR0124"  Part="1" 
F 0 "#PWR0124" H 5350 5450 50  0001 C CNN
F 1 "GND" H 5355 5527 50  0000 C CNN
F 2 "" H 5350 5700 50  0001 C CNN
F 3 "" H 5350 5700 50  0001 C CNN
	1    5350 5700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 60BC2D93
P 5850 5700
AR Path="/5F668894/60BC2D93" Ref="#PWR?"  Part="1" 
AR Path="/5F6688EA/60BC2D93" Ref="#PWR?"  Part="1" 
AR Path="/5F668910/60BC2D93" Ref="#PWR?"  Part="1" 
AR Path="/5F668944/60BC2D93" Ref="#PWR?"  Part="1" 
AR Path="/5FBA2AFF/60BC2D93" Ref="#PWR0134"  Part="1" 
F 0 "#PWR0134" H 5850 5450 50  0001 C CNN
F 1 "GND" H 5855 5527 50  0000 C CNN
F 2 "" H 5850 5700 50  0001 C CNN
F 3 "" H 5850 5700 50  0001 C CNN
	1    5850 5700
	1    0    0    -1  
$EndComp
Wire Wire Line
	5750 5700 5850 5700
Wire Wire Line
	5250 5700 5350 5700
Wire Wire Line
	7350 1250 8200 1250
$EndSCHEMATC