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power-switch.sch
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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 6 6
Title "Tougher INA3221 Power Meter"
Date ""
Rev ""
Comp "Beast Devices"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Power_Management_BD:TPS1HB08-Q1 U?
U 1 1 5F65A9CA
P 6450 3250
AR Path="/5F65A9CA" Ref="U?" Part="1"
AR Path="/5F64E916/5F65A9CA" Ref="U2" Part="1"
F 0 "U2" H 6250 3700 50 0000 C CNN
F 1 "TPS1HB08A-Q1" H 6450 3600 50 0000 C CNN
F 2 "Package_SO:HTSSOP-16-1EP_4.4x5mm_P0.65mm_EP3.4x5mm" H 6450 3750 50 0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tps2042.pdf" H 6400 3550 50 0001 C CNN
F 4 "https://www.digikey.se/product-detail/en/texas-instruments/TPS1HB08AQPWPRQ1/296-TPS1HB08AQPWPRQ1CT-ND/11615930" H 6450 3250 50 0001 C CNN "Distributor Link"
F 5 "Texas Instruments" H 6450 3250 50 0001 C CNN "Manufacturer"
F 6 "TPS1HB08AQPWPRQ1" H 6450 3250 50 0001 C CNN "Part Number"
1 6450 3250
1 0 0 -1
$EndComp
Wire Wire Line
6950 3050 7100 3050
Wire Wire Line
6950 3550 7100 3550
Wire Wire Line
7100 3550 7100 3450
Connection ~ 7100 3050
Wire Wire Line
7100 3050 7400 3050
Wire Wire Line
6950 3150 7100 3150
Connection ~ 7100 3150
Wire Wire Line
7100 3150 7100 3050
Wire Wire Line
6950 3250 7100 3250
Connection ~ 7100 3250
Wire Wire Line
7100 3250 7100 3150
Wire Wire Line
6950 3350 7100 3350
Connection ~ 7100 3350
Wire Wire Line
7100 3350 7100 3250
Wire Wire Line
6950 3450 7100 3450
Connection ~ 7100 3450
Wire Wire Line
7100 3450 7100 3350
$Comp
L power:GND #PWR?
U 1 1 5F65A9E1
P 5850 4100
AR Path="/5F65A9E1" Ref="#PWR?" Part="1"
AR Path="/5F64E916/5F65A9E1" Ref="#PWR0114" Part="1"
F 0 "#PWR0114" H 5850 3850 50 0001 C CNN
F 1 "GND" H 5855 3927 50 0000 C CNN
F 2 "" H 5850 4100 50 0001 C CNN
F 3 "" H 5850 4100 50 0001 C CNN
1 5850 4100
1 0 0 -1
$EndComp
Wire Wire Line
5950 4000 5850 4000
Wire Wire Line
5850 4000 5850 4100
$Comp
L Device:R_Small R?
U 1 1 5F65A9EB
P 3900 4700
AR Path="/5F65A9EB" Ref="R?" Part="1"
AR Path="/5F64E916/5F65A9EB" Ref="R3" Part="1"
F 0 "R3" H 3841 4654 50 0000 R CNN
F 1 "220" H 3841 4745 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3900 4700 50 0001 C CNN
F 3 "~" H 3900 4700 50 0001 C CNN
F 4 "1%" H 3900 4700 50 0001 C CNN "Tolerance"
1 3900 4700
-1 0 0 1
$EndComp
$Comp
L Device:R_Small R?
U 1 1 5F65A9F1
P 4200 3300
AR Path="/5F65A9F1" Ref="R?" Part="1"
AR Path="/5F64E916/5F65A9F1" Ref="R4" Part="1"
F 0 "R4" H 4141 3254 50 0000 R CNN
F 1 "12k" H 4141 3345 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 4200 3300 50 0001 C CNN
F 3 "~" H 4200 3300 50 0001 C CNN
F 4 "1%" H 4200 3300 50 0001 C CNN "Tolerance"
1 4200 3300
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F65A9F7
P 3900 4850
AR Path="/5F65A9F7" Ref="#PWR?" Part="1"
AR Path="/5F64E916/5F65A9F7" Ref="#PWR0115" Part="1"
F 0 "#PWR0115" H 3900 4600 50 0001 C CNN
F 1 "GND" H 3905 4677 50 0000 C CNN
F 2 "" H 3900 4850 50 0001 C CNN
F 3 "" H 3900 4850 50 0001 C CNN
1 3900 4850
1 0 0 -1
$EndComp
Wire Wire Line
3900 3550 5950 3550
$Comp
L Device:R_Small R?
U 1 1 5F65A9FE
P 5600 3750
AR Path="/5F65A9FE" Ref="R?" Part="1"
AR Path="/5F64E916/5F65A9FE" Ref="R25" Part="1"
F 0 "R25" V 5550 3550 50 0000 C CNN
F 1 "10k" V 5550 3900 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5600 3750 50 0001 C CNN
F 3 "~" H 5600 3750 50 0001 C CNN
F 4 "1%" H 5600 3750 50 0001 C CNN "Tolerance"
1 5600 3750
0 1 1 0
$EndComp
$Comp
L Device:R_Small R?
U 1 1 5F65AA04
P 5600 3850
AR Path="/5F65AA04" Ref="R?" Part="1"
AR Path="/5F64E916/5F65AA04" Ref="R26" Part="1"
F 0 "R26" V 5550 3650 50 0000 C CNN
F 1 "10k" V 5550 4000 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5600 3850 50 0001 C CNN
F 3 "~" H 5600 3850 50 0001 C CNN
F 4 "1%" H 5600 3850 50 0001 C CNN "Tolerance"
1 5600 3850
0 1 1 0
$EndComp
Wire Wire Line
5700 3750 5950 3750
Wire Wire Line
5950 3850 5700 3850
Wire Wire Line
5500 3850 5250 3850
Wire Wire Line
5500 3750 5250 3750
$Comp
L Device:R_Small R?
U 1 1 5F65AA0E
P 5600 3350
AR Path="/5F65AA0E" Ref="R?" Part="1"
AR Path="/5F64E916/5F65AA0E" Ref="R7" Part="1"
F 0 "R7" V 5550 3150 50 0000 C CNN
F 1 "10k" V 5550 3500 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5600 3350 50 0001 C CNN
F 3 "~" H 5600 3350 50 0001 C CNN
F 4 "1%" H 5600 3350 50 0001 C CNN "Tolerance"
1 5600 3350
0 1 1 0
$EndComp
$Comp
L Device:R_Small R?
U 1 1 5F65AA14
P 5600 3250
AR Path="/5F65AA14" Ref="R?" Part="1"
AR Path="/5F64E916/5F65AA14" Ref="R6" Part="1"
F 0 "R6" V 5550 3050 50 0000 C CNN
F 1 "10k" V 5550 3400 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5600 3250 50 0001 C CNN
F 3 "~" H 5600 3250 50 0001 C CNN
F 4 "1%" H 5600 3250 50 0001 C CNN "Tolerance"
1 5600 3250
0 1 1 0
$EndComp
Wire Wire Line
5700 3350 5950 3350
Wire Wire Line
5950 3250 5700 3250
Wire Wire Line
5500 3350 5250 3350
Wire Wire Line
5500 3250 5250 3250
$Comp
L Device:C_Small C?
U 1 1 5F65AA22
P 7400 3250
AR Path="/5F65AA22" Ref="C?" Part="1"
AR Path="/5F64E916/5F65AA22" Ref="C20" Part="1"
F 0 "C20" H 7492 3296 50 0000 L CNN
F 1 "100n" H 7492 3205 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7400 3250 50 0001 C CNN
F 3 "~" H 7400 3250 50 0001 C CNN
F 4 "50V" H 7400 3250 50 0001 C CNN "Voltage"
1 7400 3250
1 0 0 -1
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5F65AA28
P 4500 3200
AR Path="/5F65AA28" Ref="C?" Part="1"
AR Path="/5F64E916/5F65AA28" Ref="C7" Part="1"
F 0 "C7" H 4592 3246 50 0000 L CNN
F 1 "100n" H 4592 3155 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4500 3200 50 0001 C CNN
F 3 "~" H 4500 3200 50 0001 C CNN
F 4 "50V" H 4500 3200 50 0001 C CNN "Voltage"
1 4500 3200
1 0 0 -1
$EndComp
Wire Wire Line
4500 3100 4500 3050
Connection ~ 4500 3050
Wire Wire Line
4500 3050 4200 3050
$Comp
L power:GND #PWR?
U 1 1 5F65AA31
P 4500 3300
AR Path="/5F65AA31" Ref="#PWR?" Part="1"
AR Path="/5F64E916/5F65AA31" Ref="#PWR0116" Part="1"
F 0 "#PWR0116" H 4500 3050 50 0001 C CNN
F 1 "GND" H 4505 3127 50 0000 C CNN
F 2 "" H 4500 3300 50 0001 C CNN
F 3 "" H 4500 3300 50 0001 C CNN
1 4500 3300
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F65AA37
P 7400 3350
AR Path="/5F65AA37" Ref="#PWR?" Part="1"
AR Path="/5F64E916/5F65AA37" Ref="#PWR0117" Part="1"
F 0 "#PWR0117" H 7400 3100 50 0001 C CNN
F 1 "GND" H 7405 3177 50 0000 C CNN
F 2 "" H 7400 3350 50 0001 C CNN
F 3 "" H 7400 3350 50 0001 C CNN
1 7400 3350
1 0 0 -1
$EndComp
Wire Wire Line
7400 3050 7400 3150
Wire Wire Line
7400 3050 8200 3050
Wire Wire Line
5950 3050 4500 3050
Wire Wire Line
4200 3200 4200 3050
Connection ~ 4200 3050
Wire Wire Line
4200 3050 4100 3050
Wire Wire Line
4200 3650 4200 3400
Wire Wire Line
4200 3650 5950 3650
Wire Wire Line
3900 3550 3900 4450
$Comp
L Device:R_Small R?
U 1 1 5F65AA46
P 4300 4450
AR Path="/5F65AA46" Ref="R?" Part="1"
AR Path="/5F64E916/5F65AA46" Ref="R5" Part="1"
F 0 "R5" V 4250 4300 50 0000 C CNN
F 1 "10k" V 4250 4600 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 4300 4450 50 0001 C CNN
F 3 "~" H 4300 4450 50 0001 C CNN
F 4 "1%" H 4300 4450 50 0001 C CNN "Tolerance"
1 4300 4450
0 1 1 0
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5F65AA4C
P 4650 4750
AR Path="/5F65AA4C" Ref="C?" Part="1"
AR Path="/5F64E916/5F65AA4C" Ref="C19" Part="1"
F 0 "C19" H 4742 4796 50 0000 L CNN
F 1 "100n" H 4742 4705 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4650 4750 50 0001 C CNN
F 3 "~" H 4650 4750 50 0001 C CNN
F 4 "50V" H 4650 4750 50 0001 C CNN "Voltage"
1 4650 4750
1 0 0 -1
$EndComp
Wire Wire Line
4200 4450 3900 4450
Connection ~ 3900 4450
Wire Wire Line
3900 4450 3900 4600
Wire Wire Line
4400 4450 4650 4450
Wire Wire Line
4650 4650 4650 4450
Connection ~ 4650 4450
Wire Wire Line
4650 4450 4850 4450
$Comp
L power:GND #PWR?
U 1 1 5F65AA59
P 4650 4850
AR Path="/5F65AA59" Ref="#PWR?" Part="1"
AR Path="/5F64E916/5F65AA59" Ref="#PWR0118" Part="1"
F 0 "#PWR0118" H 4650 4600 50 0001 C CNN
F 1 "GND" H 4655 4677 50 0000 C CNN
F 2 "" H 4650 4850 50 0001 C CNN
F 3 "" H 4650 4850 50 0001 C CNN
1 4650 4850
1 0 0 -1
$EndComp
Wire Wire Line
3900 4800 3900 4850
Connection ~ 7400 3050
Text Notes 3300 2450 0 50 ~ 0
Current limit is set by R4\nIlim = K / R4\nKmin = 120\nKtyp = 160\nKmax = 208
Text Notes 4350 2450 0 50 ~ 0
@R4=12k\nMinimal current limit 10A\nTypical current limit 13.3A\nMaximum current limit 17.3A
Text HLabel 8200 3050 2 50 Output ~ 0
VOUT
Text HLabel 4100 3050 0 50 Input ~ 0
VIN
Text HLabel 5250 3250 0 50 Input ~ 0
DIA_EN
Text HLabel 5250 3350 0 50 Input ~ 0
SEL
Text HLabel 5250 3750 0 50 Input ~ 0
LATCH
Text HLabel 5250 3850 0 50 Input ~ 0
EN
Text HLabel 4850 4450 2 50 Output ~ 0
SNS
$EndSCHEMATC