EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 28 38
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L MCP4451-103E:MCP4451-103E_ST U?
U 1 1 5F156D6D
P 3700 3900
AR Path="/5F156D6D" Ref="U?"  Part="1" 
AR Path="/5F1526C5/5F156D6D" Ref="U39"  Part="1" 
AR Path="/5F15EBB1/5F156D6D" Ref="U?"  Part="1" 
AR Path="/5F160F98/5F156D6D" Ref="U38"  Part="1" 
AR Path="/5F16E785/5F156D6D" Ref="U?"  Part="1" 
AR Path="/5F4B256E/5F156D6D" Ref="U?"  Part="1" 
F 0 "U39" H 5100 4287 60  0000 C CNN
F 1 "MCP4451-103E_ST" H 5100 4181 60  0000 C CNN
F 2 "Housings_SSOP:TSSOP-20_4.4x6.5mm_Pitch0.65mm" H 5100 4140 60  0001 C CNN
F 3 "" H 3700 3900 60  0000 C CNN
	1    3700 3900
	1    0    0    -1  
$EndComp
Text Notes 4850 3300 0    50   ~ 0
DIGITAL POTI
Text HLabel 3500 4700 0    40   UnSpc ~ 0
TEMP1A
Text HLabel 6750 4000 2    40   UnSpc ~ 0
TEMP2A
Text HLabel 6750 4700 2    40   UnSpc ~ 0
TEMP3A
Text HLabel 3550 4400 0    50   BiDi ~ 0
SDA
Text HLabel 3550 4300 0    50   BiDi ~ 0
SCL
Text HLabel 3500 4600 0    40   UnSpc ~ 0
TEMP1B
Text HLabel 6750 4100 2    40   UnSpc ~ 0
TEMP2B
Text HLabel 6750 4600 2    40   UnSpc ~ 0
TEMP3B
Wire Wire Line
	3550 4300 3700 4300
Wire Wire Line
	3550 4400 3700 4400
Wire Wire Line
	3500 4600 3700 4600
Wire Wire Line
	3500 4700 3700 4700
NoConn ~ 3700 4800
Wire Wire Line
	6500 4000 6750 4000
Wire Wire Line
	6500 4100 6750 4100
NoConn ~ 6500 3900
NoConn ~ 6500 4800
Wire Wire Line
	6500 4600 6750 4600
Wire Wire Line
	6500 4700 6750 4700
$Comp
L power:GND #PWR0410
U 1 1 5F2F2863
P 3000 4800
AR Path="/5F1526C5/5F2F2863" Ref="#PWR0410"  Part="1" 
AR Path="/5F160F98/5F2F2863" Ref="#PWR0406"  Part="1" 
F 0 "#PWR0410" H 3000 4550 50  0001 C CNN
F 1 "GND" H 3005 4627 50  0000 C CNN
F 2 "" H 3000 4800 50  0001 C CNN
F 3 "" H 3000 4800 50  0001 C CNN
	1    3000 4800
	1    0    0    -1  
$EndComp
Wire Wire Line
	3000 4800 3000 4500
Wire Wire Line
	3000 4500 3700 4500
NoConn ~ 3700 3900
NoConn ~ 3700 4000
NoConn ~ 3700 4100
Wire Wire Line
	3700 4200 3550 4200
Wire Wire Line
	3550 4200 3550 3550
Wire Wire Line
	3550 3550 3100 3550
Wire Wire Line
	6500 4300 7200 4300
Wire Wire Line
	7200 4300 7200 3400
Wire Wire Line
	7200 3400 3100 3400
$Comp
L power:+3V3 #PWR0413
U 1 1 5F2F3CED
P 7450 3700
AR Path="/5F1526C5/5F2F3CED" Ref="#PWR0413"  Part="1" 
AR Path="/5F160F98/5F2F3CED" Ref="#PWR0409"  Part="1" 
F 0 "#PWR0413" H 7450 3550 50  0001 C CNN
F 1 "+3V3" H 7465 3873 50  0000 C CNN
F 2 "" H 7450 3700 50  0001 C CNN
F 3 "" H 7450 3700 50  0001 C CNN
	1    7450 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	7450 3700 7450 3750
Wire Wire Line
	7450 4200 6500 4200
$Comp
L Device:R R287
U 1 1 5F2F578F
P 7700 4050
AR Path="/5F1526C5/5F2F578F" Ref="R287"  Part="1" 
AR Path="/5F160F98/5F2F578F" Ref="R286"  Part="1" 
F 0 "R287" H 7770 4096 50  0000 L CNN
F 1 "10k" H 7770 4005 50  0000 L CNN
F 2 "Resistors_SMD:R_0603" V 7630 4050 50  0001 C CNN
F 3 "~" H 7700 4050 50  0001 C CNN
	1    7700 4050
	1    0    0    -1  
$EndComp
Wire Wire Line
	7450 3750 7700 3750
Wire Wire Line
	7700 3750 7700 3900
Connection ~ 7450 3750
Wire Wire Line
	7450 3750 7450 4200
Wire Wire Line
	6500 4400 7700 4400
Wire Wire Line
	7700 4400 7700 4200
$Comp
L power:+3V3 #PWR0411
U 1 1 5F2F6E5B
P 5100 5250
AR Path="/5F1526C5/5F2F6E5B" Ref="#PWR0411"  Part="1" 
AR Path="/5F160F98/5F2F6E5B" Ref="#PWR0407"  Part="1" 
F 0 "#PWR0411" H 5100 5100 50  0001 C CNN
F 1 "+3V3" H 5115 5423 50  0000 C CNN
F 2 "" H 5100 5250 50  0001 C CNN
F 3 "" H 5100 5250 50  0001 C CNN
	1    5100 5250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0412
U 1 1 5F2F7438
P 5100 5750
AR Path="/5F1526C5/5F2F7438" Ref="#PWR0412"  Part="1" 
AR Path="/5F160F98/5F2F7438" Ref="#PWR0408"  Part="1" 
F 0 "#PWR0412" H 5100 5500 50  0001 C CNN
F 1 "GND" H 5105 5577 50  0000 C CNN
F 2 "" H 5100 5750 50  0001 C CNN
F 3 "" H 5100 5750 50  0001 C CNN
	1    5100 5750
	1    0    0    -1  
$EndComp
$Comp
L Device:C C205
U 1 1 5F2F7A4E
P 5100 5500
AR Path="/5F1526C5/5F2F7A4E" Ref="C205"  Part="1" 
AR Path="/5F160F98/5F2F7A4E" Ref="C202"  Part="1" 
F 0 "C205" H 5215 5546 50  0000 L CNN
F 1 "10n" H 5215 5455 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 5138 5350 50  0001 C CNN
F 3 "~" H 5100 5500 50  0001 C CNN
	1    5100 5500
	1    0    0    -1  
$EndComp
$Comp
L Device:C C206
U 1 1 5F2F816C
P 5550 5500
AR Path="/5F1526C5/5F2F816C" Ref="C206"  Part="1" 
AR Path="/5F160F98/5F2F816C" Ref="C203"  Part="1" 
F 0 "C206" H 5665 5546 50  0000 L CNN
F 1 "4.7u" H 5665 5455 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 5588 5350 50  0001 C CNN
F 3 "~" H 5550 5500 50  0001 C CNN
	1    5550 5500
	1    0    0    -1  
$EndComp
Wire Wire Line
	5550 5300 5550 5350
Wire Wire Line
	5550 5700 5550 5650
Text Label 3100 3400 0    50   ~ 0
A1
Text Label 3100 3550 0    50   ~ 0
A0
Text HLabel 3100 3400 0    50   BiDi ~ 0
A1
Text HLabel 3100 3550 0    50   BiDi ~ 0
A0
$Comp
L Device:C C207
U 1 1 61566B29
P 6000 5500
AR Path="/5F1526C5/61566B29" Ref="C207"  Part="1" 
AR Path="/5F160F98/61566B29" Ref="C204"  Part="1" 
F 0 "C207" H 6115 5546 50  0000 L CNN
F 1 "4.7u" H 6115 5455 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 6038 5350 50  0001 C CNN
F 3 "~" H 6000 5500 50  0001 C CNN
	1    6000 5500
	1    0    0    -1  
$EndComp
Wire Wire Line
	5550 5300 6000 5300
Wire Wire Line
	6000 5300 6000 5350
Connection ~ 5550 5300
Wire Wire Line
	5550 5700 6000 5700
Wire Wire Line
	6000 5700 6000 5650
Connection ~ 5550 5700
Wire Wire Line
	5100 5250 5100 5300
Wire Wire Line
	5100 5650 5100 5700
Wire Wire Line
	5100 5300 5550 5300
Connection ~ 5100 5300
Wire Wire Line
	5100 5300 5100 5350
Wire Wire Line
	5100 5700 5550 5700
Connection ~ 5100 5700
Wire Wire Line
	5100 5700 5100 5750
$EndSCHEMATC