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current-sense-frontend.sch
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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 6
Title "Tougher INA3221 Power Meter"
Date ""
Rev ""
Comp "Beast Devices"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Wire Wire Line
5250 1650 5250 1950
Wire Wire Line
5250 2150 5250 2450
Wire Wire Line
5550 2450 5250 2450
Wire Wire Line
5550 1650 5250 1650
Wire Wire Line
6050 2150 6050 2450
Wire Wire Line
6050 1950 6050 1650
Wire Wire Line
5750 1650 6050 1650
Wire Wire Line
5250 2450 4900 2450
Wire Wire Line
4900 2450 4900 2550
Connection ~ 5250 2450
Wire Wire Line
4900 2450 4300 2450
Wire Wire Line
4300 2450 4300 2550
Connection ~ 4900 2450
Wire Wire Line
6400 2450 6400 2550
Connection ~ 6050 2450
Wire Wire Line
6400 2450 6950 2450
Wire Wire Line
6950 2450 6950 2550
Wire Wire Line
4900 2750 4900 2850
Wire Wire Line
6400 2750 6400 2850
Wire Wire Line
6050 2450 6400 2450
Wire Wire Line
5750 2450 6050 2450
Wire Wire Line
6050 3400 6050 2450
Wire Wire Line
5250 1650 4300 1650
Connection ~ 5250 1650
Wire Wire Line
6050 1650 6800 1650
Connection ~ 6050 1650
Text HLabel 6800 1650 2 50 Output ~ 0
POUT
Text HLabel 4300 1650 0 50 Input ~ 0
PIN
Text HLabel 6400 3400 2 50 Output ~ 0
IS-
Text HLabel 6400 3600 2 50 Output ~ 0
IS+
Wire Wire Line
6050 3400 6400 3400
Wire Wire Line
5250 3600 6400 3600
Wire Wire Line
5250 2450 5250 3600
Text HLabel 6800 1650 2 50 Output ~ 0
POUT
Text HLabel 4300 1650 0 50 Input ~ 0
PIN
Text HLabel 6400 3400 2 50 Output ~ 0
IS-
Text HLabel 6400 3600 2 50 Output ~ 0
IS+
Text HLabel 6800 1650 2 50 Output ~ 0
POUT
Text HLabel 4300 1650 0 50 Input ~ 0
PIN
Text HLabel 6400 3400 2 50 Output ~ 0
IS-
Text HLabel 6400 3600 2 50 Output ~ 0
IS+
Text HLabel 6800 1650 2 50 Output ~ 0
POUT
Text HLabel 4300 1650 0 50 Input ~ 0
PIN
Text HLabel 6400 3400 2 50 Output ~ 0
IS-
Text HLabel 6400 3600 2 50 Output ~ 0
IS+
Text HLabel 6800 1650 2 50 Output ~ 0
POUT
Text HLabel 4300 1650 0 50 Input ~ 0
PIN
Text HLabel 6400 3400 2 50 Output ~ 0
IS-
Text HLabel 6400 3600 2 50 Output ~ 0
IS+
Text HLabel 6800 1650 2 50 Output ~ 0
POUT
Text HLabel 4300 1650 0 50 Input ~ 0
PIN
Text HLabel 6400 3400 2 50 Output ~ 0
IS-
Text HLabel 6400 3600 2 50 Output ~ 0
IS+
Text HLabel 6800 1650 2 50 Output ~ 0
POUT
Text HLabel 4300 1650 0 50 Input ~ 0
PIN
Text HLabel 6400 3400 2 50 Output ~ 0
IS-
Text HLabel 6400 3600 2 50 Output ~ 0
IS+
Text HLabel 6800 1650 2 50 Output ~ 0
POUT
Text HLabel 4300 1650 0 50 Input ~ 0
PIN
Text HLabel 6400 3400 2 50 Output ~ 0
IS-
Text HLabel 6400 3600 2 50 Output ~ 0
IS+
Text HLabel 6800 1650 2 50 Output ~ 0
POUT
Text HLabel 4300 1650 0 50 Input ~ 0
PIN
Text HLabel 6400 3400 2 50 Output ~ 0
IS-
Text HLabel 6400 3600 2 50 Output ~ 0
IS+
Text HLabel 6800 1650 2 50 Output ~ 0
POUT
Text HLabel 4300 1650 0 50 Input ~ 0
PIN
Text HLabel 6400 3400 2 50 Output ~ 0
IS-
Text HLabel 6400 3600 2 50 Output ~ 0
IS+
Text HLabel 6800 1650 2 50 Output ~ 0
POUT
Text HLabel 4300 1650 0 50 Input ~ 0
PIN
Text HLabel 6400 3400 2 50 Output ~ 0
IS-
Text HLabel 6400 3600 2 50 Output ~ 0
IS+
Text HLabel 6800 1650 2 50 Output ~ 0
POUT
Text HLabel 4300 1650 0 50 Input ~ 0
PIN
Text HLabel 6400 3400 2 50 Output ~ 0
IS-
Text HLabel 6400 3600 2 50 Output ~ 0
IS+
Text HLabel 6800 1650 2 50 Output ~ 0
POUT
Text HLabel 4300 1650 0 50 Input ~ 0
PIN
Text HLabel 6400 3400 2 50 Output ~ 0
IS-
Text HLabel 6400 3600 2 50 Output ~ 0
IS+
Text HLabel 6800 1650 2 50 Output ~ 0
POUT
Text HLabel 4300 1650 0 50 Input ~ 0
PIN
Text HLabel 6400 3400 2 50 Output ~ 0
IS-
Text HLabel 6400 3600 2 50 Output ~ 0
IS+
Text HLabel 6800 1650 2 50 Output ~ 0
POUT
Text HLabel 4300 1650 0 50 Input ~ 0
PIN
Text HLabel 6400 3400 2 50 Output ~ 0
IS-
Text HLabel 6400 3600 2 50 Output ~ 0
IS+
$Comp
L Device:R_Small R17
U 1 1 5F4111AC
P 5650 1650
AR Path="/5F41030B/5F4111AC" Ref="R17" Part="1"
AR Path="/5F4101BA/5F4111AC" Ref="R20" Part="1"
AR Path="/5F404FBF/5F4111AC" Ref="R23" Part="1"
F 0 "R17" V 5750 1700 50 0000 L CNN
F 1 "10m" V 5750 1500 50 0000 L CNN
F 2 "Resistor_SMD:R_2512_6332Metric" H 5650 1650 50 0001 C CNN
F 3 "https://www.bourns.com/docs/product-datasheets/cra.pdf" H 5650 1650 50 0001 C CNN
F 4 "https://www.digikey.se/product-detail/en/CRA2512-FZ-R010ELF/CRA2512-FZ-R010ELFCT-ND/1775054/?itemSeq=339344556" H 5650 1650 50 0001 C CNN "Distributor Link"
F 5 "Bourns" H 5650 1650 50 0001 C CNN "Manufacturer"
F 6 "CRA2512-FZ-R010ELF" V 5850 1650 50 0000 C CNN "Part Number"
F 7 "1%, 50ppm" V 5550 1650 50 0000 C CNN "Tolerance"
1 5650 1650
0 -1 -1 0
$EndComp
$Comp
L Device:C_Small C10
U 1 1 5F4111AD
P 5650 2450
AR Path="/5F41030B/5F4111AD" Ref="C10" Part="1"
AR Path="/5F4101BA/5F4111AD" Ref="C13" Part="1"
AR Path="/5F404FBF/5F4111AD" Ref="C16" Part="1"
F 0 "C10" V 5550 2250 50 0000 L CNN
F 1 "100n" V 5550 2500 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 5650 2450 50 0001 C CNN
F 3 "~" H 5650 2450 50 0001 C CNN
F 4 "50V" H 5650 2450 50 0001 C CNN "Voltage"
1 5650 2450
0 1 1 0
$EndComp
$Comp
L Device:R_Small R16
U 1 1 5F4111AE
P 5250 2050
AR Path="/5F41030B/5F4111AE" Ref="R16" Part="1"
AR Path="/5F4101BA/5F4111AE" Ref="R19" Part="1"
AR Path="/5F404FBF/5F4111AE" Ref="R22" Part="1"
F 0 "R16" H 5309 2096 50 0000 L CNN
F 1 "10" H 5309 2005 50 0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5250 2050 50 0001 C CNN
F 3 "~" H 5250 2050 50 0001 C CNN
F 4 "1%" H 5250 2050 50 0001 C CNN "Tolerance"
1 5250 2050
1 0 0 -1
$EndComp
$Comp
L Device:C_Small C11
U 1 1 5F41791D
P 6400 2650
AR Path="/5F41030B/5F41791D" Ref="C11" Part="1"
AR Path="/5F4101BA/5F41791D" Ref="C14" Part="1"
AR Path="/5F404FBF/5F41791D" Ref="C17" Part="1"
F 0 "C11" H 6150 2600 50 0000 L CNN
F 1 "100n" H 6100 2700 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 6400 2650 50 0001 C CNN
F 3 "~" H 6400 2650 50 0001 C CNN
F 4 "50V" H 6400 2650 50 0001 C CNN "Voltage"
1 6400 2650
-1 0 0 1
$EndComp
$Comp
L Device:R_Small R18
U 1 1 5F41791E
P 6050 2050
AR Path="/5F41030B/5F41791E" Ref="R18" Part="1"
AR Path="/5F4101BA/5F41791E" Ref="R21" Part="1"
AR Path="/5F404FBF/5F41791E" Ref="R24" Part="1"
F 0 "R18" H 6109 2096 50 0000 L CNN
F 1 "10" H 6109 2005 50 0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6050 2050 50 0001 C CNN
F 3 "~" H 6050 2050 50 0001 C CNN
F 4 "1%" H 6050 2050 50 0001 C CNN "Tolerance"
1 6050 2050
1 0 0 -1
$EndComp
Text HLabel 6800 1650 2 50 Output ~ 0
POUT
Text HLabel 4300 1650 0 50 Input ~ 0
PIN
Text HLabel 6400 3400 2 50 Output ~ 0
IS-
Text HLabel 6400 3600 2 50 Output ~ 0
IS+
$Comp
L Device:C_Small C9
U 1 1 5F41791C
P 4900 2650
AR Path="/5F41030B/5F41791C" Ref="C9" Part="1"
AR Path="/5F4101BA/5F41791C" Ref="C12" Part="1"
AR Path="/5F404FBF/5F41791C" Ref="C15" Part="1"
F 0 "C9" H 4650 2600 50 0000 L CNN
F 1 "100n" H 4600 2700 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4900 2650 50 0001 C CNN
F 3 "~" H 4900 2650 50 0001 C CNN
F 4 "50V" H 4900 2650 50 0001 C CNN "Voltage"
1 4900 2650
-1 0 0 1
$EndComp
$Comp
L Diode_BD:SMBJxxxD D2
U 1 1 5F41791A
P 4300 2700
AR Path="/5F41030B/5F41791A" Ref="D2" Part="1"
AR Path="/5F4101BA/5F41791A" Ref="D4" Part="1"
AR Path="/5F404FBF/5F41791A" Ref="D6" Part="1"
F 0 "D2" V 4254 2780 50 0000 L CNN
F 1 "SMBJ16D" V 4345 2780 50 0000 L CNN
F 2 "Diode_SMD:D_SMB" H 4300 2500 50 0001 C CNN
F 3 "https://www.vishay.com/docs/87606/smbj5cdthrusmbj120cd.pdf" H 4250 2700 50 0001 C CNN
F 4 "https://www.digikey.se/product-detail/en/vishay-semiconductor-diodes-division/SMBJ16D-M3-I/SMBJ16D-M3-IGICT-ND/9648416" H 4300 2700 50 0001 C CNN "Distributor Link"
F 5 "Vishay Semiconductor Diodes Division" H 4300 2700 50 0001 C CNN "Manufacturer"
F 6 "SMBJ16D-M3/I" H 4300 2700 50 0001 C CNN "Part Number"
1 4300 2700
0 1 1 0
$EndComp
$Comp
L Diode_BD:SMBJxxxD D3
U 1 1 5F417918
P 6950 2700
AR Path="/5F41030B/5F417918" Ref="D3" Part="1"
AR Path="/5F4101BA/5F417918" Ref="D5" Part="1"
AR Path="/5F404FBF/5F417918" Ref="D7" Part="1"
F 0 "D3" V 6904 2780 50 0000 L CNN
F 1 "SMBJ16D" V 6995 2780 50 0000 L CNN
F 2 "Diode_SMD:D_SMB" H 6950 2500 50 0001 C CNN
F 3 "https://www.vishay.com/docs/87606/smbj5cdthrusmbj120cd.pdf" H 6900 2700 50 0001 C CNN
F 4 "https://www.digikey.se/product-detail/en/vishay-semiconductor-diodes-division/SMBJ16D-M3-I/SMBJ16D-M3-IGICT-ND/9648416" H 6950 2700 50 0001 C CNN "Distributor Link"
F 5 "Vishay Semiconductor Diodes Division" H 6950 2700 50 0001 C CNN "Manufacturer"
F 6 "SMBJ16D-M3/I" H 6950 2700 50 0001 C CNN "Part Number"
1 6950 2700
0 1 1 0
$EndComp
$Comp
L power:GND #PWR040
U 1 1 5F54837F
P 4300 2850
AR Path="/5F404FBF/5F54837F" Ref="#PWR040" Part="1"
AR Path="/5F41030B/5F54837F" Ref="#PWR032" Part="1"
AR Path="/5F4101BA/5F54837F" Ref="#PWR036" Part="1"
F 0 "#PWR032" H 4300 2600 50 0001 C CNN
F 1 "GND" H 4305 2677 50 0000 C CNN
F 2 "" H 4300 2850 50 0001 C CNN
F 3 "" H 4300 2850 50 0001 C CNN
1 4300 2850
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR041
U 1 1 5F5484AE
P 4900 2850
AR Path="/5F404FBF/5F5484AE" Ref="#PWR041" Part="1"
AR Path="/5F41030B/5F5484AE" Ref="#PWR033" Part="1"
AR Path="/5F4101BA/5F5484AE" Ref="#PWR037" Part="1"
F 0 "#PWR033" H 4900 2600 50 0001 C CNN
F 1 "GND" H 4905 2677 50 0000 C CNN
F 2 "" H 4900 2850 50 0001 C CNN
F 3 "" H 4900 2850 50 0001 C CNN
1 4900 2850
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR042
U 1 1 5F54854F
P 6400 2850
AR Path="/5F404FBF/5F54854F" Ref="#PWR042" Part="1"
AR Path="/5F41030B/5F54854F" Ref="#PWR034" Part="1"
AR Path="/5F4101BA/5F54854F" Ref="#PWR038" Part="1"
F 0 "#PWR034" H 6400 2600 50 0001 C CNN
F 1 "GND" H 6405 2677 50 0000 C CNN
F 2 "" H 6400 2850 50 0001 C CNN
F 3 "" H 6400 2850 50 0001 C CNN
1 6400 2850
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR043
U 1 1 5F548ADA
P 6950 2850
AR Path="/5F404FBF/5F548ADA" Ref="#PWR043" Part="1"
AR Path="/5F41030B/5F548ADA" Ref="#PWR035" Part="1"
AR Path="/5F4101BA/5F548ADA" Ref="#PWR039" Part="1"
F 0 "#PWR035" H 6950 2600 50 0001 C CNN
F 1 "GND" H 6955 2677 50 0000 C CNN
F 2 "" H 6950 2850 50 0001 C CNN
F 3 "" H 6950 2850 50 0001 C CNN
1 6950 2850
1 0 0 -1
$EndComp
Connection ~ 6400 2450
$EndSCHEMATC