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3400 lines (3400 loc) · 82.4 KB
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EESchema Schematic File Version 4
LIBS:Flight_Computer-cache
EELAYER 29 0
EELAYER END
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Text Notes 2750 2300 2 50 ~ 10
KEEP CLOSE TO PIC PINS
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$Comp
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Text Notes 10450 900 2 50 ~ 0
Use high ESR for polarized cap
Wire Wire Line
10500 1650 10500 1600
Wire Wire Line
10500 1250 10500 1300
Wire Wire Line
10050 1250 10500 1250
$Comp
L Device:CP C16
U 1 1 5DED4F3D
P 10500 1450
F 0 "C16" H 10618 1496 50 0000 L CNN
F 1 "100u" H 10618 1405 50 0000 L CNN
F 2 "Capacitor_SMD:CP_Elec_5x5.3" H 10538 1300 50 0001 C CNN
F 3 "~" H 10500 1450 50 0001 C CNN
1 10500 1450
1 0 0 -1
$EndComp
$Comp
L power:+3V3 #PWR054
U 1 1 5DEE5489
P 10500 1250
F 0 "#PWR054" H 10500 1100 50 0001 C CNN
F 1 "+3V3" H 10515 1423 50 0000 C CNN
F 2 "" H 10500 1250 50 0001 C CNN
F 3 "" H 10500 1250 50 0001 C CNN
1 10500 1250
1 0 0 -1
$EndComp
Connection ~ 10500 1250
$Comp
L power:+3V3 #PWR011
U 1 1 5DEE7D01
P 2650 16350
F 0 "#PWR011" H 2650 16200 50 0001 C CNN
F 1 "+3V3" V 2665 16478 50 0000 L CNN
F 2 "" H 2650 16350 50 0001 C CNN
F 3 "" H 2650 16350 50 0001 C CNN
1 2650 16350
0 -1 -1 0
$EndComp
$Comp
L power:+3V3 #PWR021
U 1 1 5DEE80E8
P 3850 16150
F 0 "#PWR021" H 3850 16000 50 0001 C CNN
F 1 "+3V3" V 3865 16278 50 0000 L CNN
F 2 "" H 3850 16150 50 0001 C CNN
F 3 "" H 3850 16150 50 0001 C CNN
1 3850 16150
0 -1 -1 0
$EndComp
$Comp
L power:+3V3 #PWR023
U 1 1 5DEE8923
P 3950 17650
F 0 "#PWR023" H 3950 17500 50 0001 C CNN
F 1 "+3V3" V 3965 17778 50 0000 L CNN
F 2 "" H 3950 17650 50 0001 C CNN
F 3 "" H 3950 17650 50 0001 C CNN
1 3950 17650
0 -1 -1 0
$EndComp
Wire Wire Line
6450 19950 6450 19650
Wire Wire Line
7350 19650 7350 19950
$Comp
L power:+3V3 #PWR030
U 1 1 5DEF2B12
P 6450 19950
F 0 "#PWR030" H 6450 19800 50 0001 C CNN
F 1 "+3V3" V 6465 20078 50 0000 L CNN
F 2 "" H 6450 19950 50 0001 C CNN
F 3 "" H 6450 19950 50 0001 C CNN
1 6450 19950
0 1 1 0
$EndComp
Connection ~ 6450 19950
$Comp
L power:+3V3 #PWR036
U 1 1 5DEF35A5
P 7350 19950
F 0 "#PWR036" H 7350 19800 50 0001 C CNN
F 1 "+3V3" V 7365 20078 50 0000 L CNN
F 2 "" H 7350 19950 50 0001 C CNN
F 3 "" H 7350 19950 50 0001 C CNN
1 7350 19950
0 1 1 0
$EndComp
Connection ~ 7350 19950
$Comp
L power:+3V3 #PWR048
U 1 1 5DEF42D7
P 9300 16450
F 0 "#PWR048" H 9300 16300 50 0001 C CNN
F 1 "+3V3" H 9315 16623 50 0000 C CNN
F 2 "" H 9300 16450 50 0001 C CNN
F 3 "" H 9300 16450 50 0001 C CNN
1 9300 16450
-1 0 0 1
$EndComp
Connection ~ 9300 16450
$Comp
L power:+3V3 #PWR045
U 1 1 5DEF472F
P 8700 14250
F 0 "#PWR045" H 8700 14100 50 0001 C CNN
F 1 "+3V3" H 8715 14423 50 0000 C CNN
F 2 "" H 8700 14250 50 0001 C CNN
F 3 "" H 8700 14250 50 0001 C CNN
1 8700 14250
-1 0 0 1
$EndComp
Wire Wire Line
8450 14050 8450 14450
Wire Wire Line
8700 14250 8500 14250
Wire Wire Line
8500 14550 8450 14550
Connection ~ 8700 14250
Wire Wire Line
8450 14050 8700 14050
Wire Wire Line
6850 12850 6850 12500
$Comp
L power:+3V3 #PWR032
U 1 1 5DF0794C
P 6850 12500
F 0 "#PWR032" H 6850 12350 50 0001 C CNN
F 1 "+3V3" V 6865 12628 50 0000 L CNN
F 2 "" H 6850 12500 50 0001 C CNN
F 3 "" H 6850 12500 50 0001 C CNN
1 6850 12500
0 1 1 0
$EndComp
Connection ~ 6850 12500
Wire Wire Line
5350 12550 5350 12850
$Comp
L power:+3V3 #PWR027
U 1 1 5DF0C86C
P 5350 12550
F 0 "#PWR027" H 5350 12400 50 0001 C CNN
F 1 "+3V3" V 5365 12678 50 0000 L CNN
F 2 "" H 5350 12550 50 0001 C CNN
F 3 "" H 5350 12550 50 0001 C CNN
1 5350 12550
0 -1 -1 0
$EndComp
Connection ~ 5350 12550
$Comp
L Device:C_Small C5
U 1 1 5DF0E515
P 5100 20100
F 0 "C5" H 5192 20146 50 0000 L CNN
F 1 "100n" H 5192 20055 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 5100 20100 50 0001 C CNN
F 3 "~" H 5100 20100 50 0001 C CNN
1 5100 20100
0 -1 -1 0
$EndComp
$Comp
L power:GND #PWR026
U 1 1 5DF0E51C
P 5200 20100
F 0 "#PWR026" H 5200 19850 50 0001 C CNN
F 1 "GND" H 5205 19927 50 0000 C CNN
F 2 "" H 5200 20100 50 0001 C CNN
F 3 "" H 5200 20100 50 0001 C CNN
1 5200 20100
0 -1 -1 0
$EndComp
$Comp
L power:+3V3 #PWR025
U 1 1 5DF0E524
P 5000 20100
F 0 "#PWR025" H 5000 19950 50 0001 C CNN
F 1 "+3V3" V 5015 20228 50 0000 L CNN
F 2 "" H 5000 20100 50 0001 C CNN
F 3 "" H 5000 20100 50 0001 C CNN
1 5000 20100
0 -1 -1 0
$EndComp
Connection ~ 5000 20100
Wire Wire Line
5200 20100 5200 19800
Wire Wire Line
5200 19800 5150 19800
Wire Wire Line
5150 19800 5150 19650
Connection ~ 5200 20100
Wire Wire Line
5000 19800 5050 19800
Wire Wire Line
5050 19800 5050 19650
Wire Wire Line
5000 19800 5000 20100
$Comp
L Device:L L1
U 1 1 5DF2BA0F
P 9600 1250
F 0 "L1" V 9790 1250 50 0000 C CNN
F 1 "3.3u" V 9699 1250 50 0000 C CNN
F 2 "Inductor_SMD:L_Wuerth_MAPI-2512" H 9600 1250 50 0001 C CNN
F 3 "~" H 9600 1250 50 0001 C CNN
F 4 "74438324033" V 9600 1250 50 0001 C CNN "PART#"
F 5 "https://www.digikey.com/product-detail/en/w-rth-elektronik/74438324033/732-5684-1-ND/4969354" H 9600 1250 50 0001 C CNN "DK_Detail_Page"
F 6 "732-5684-1-ND" H 9600 1250 50 0001 C CNN "Digi-Key_PN"
F 7 "74438324033" H 9600 1250 50 0001 C CNN "MPN"
1 9600 1250
0 -1 -1 0
$EndComp
Wire Wire Line
9450 1250 9150 1250
Connection ~ 9150 1250
Wire Wire Line
9750 1250 10050 1250
Connection ~ 10050 1250
$Comp
L power:GND #PWR042
U 1 1 5DF39F1D
P 8600 1650
F 0 "#PWR042" H 8600 1400 50 0001 C CNN
F 1 "GND" H 8605 1477 50 0000 C CNN
F 2 "" H 8600 1650 50 0001 C CNN
F 3 "" H 8600 1650 50 0001 C CNN
1 8600 1650
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR049
U 1 1 5DF3A3F2
P 9150 1650
F 0 "#PWR049" H 9150 1400 50 0001 C CNN
F 1 "GND" H 9155 1477 50 0000 C CNN
F 2 "" H 9150 1650 50 0001 C CNN
F 3 "" H 9150 1650 50 0001 C CNN
1 9150 1650
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR052
U 1 1 5DF3A92A
P 9900 1650
F 0 "#PWR052" H 9900 1400 50 0001 C CNN
F 1 "GND" H 9905 1477 50 0000 C CNN
F 2 "" H 9900 1650 50 0001 C CNN
F 3 "" H 9900 1650 50 0001 C CNN
1 9900 1650
0 1 1 0
$EndComp
$Comp
L Device:C C13
U 1 1 5DF4CF37
P 9150 2700
F 0 "C13" H 9265 2746 50 0000 L CNN
F 1 "1n" H 9265 2655 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 9188 2550 50 0001 C CNN
F 3 "~" H 9150 2700 50 0001 C CNN
1 9150 2700
1 0 0 -1
$EndComp
$Comp
L Device:C C15
U 1 1 5DF4CF3D
P 10050 2700
F 0 "C15" H 10165 2746 50 0000 L CNN
F 1 "22u" H 10165 2655 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 10088 2550 50 0001 C CNN
F 3 "~" H 10050 2700 50 0001 C CNN
1 10050 2700
1 0 0 -1
$EndComp
Wire Wire Line
10050 2500 10050 2550
Wire Wire Line
10050 2900 10050 2850
Wire Wire Line
9150 2900 9150 2850
Wire Wire Line
9150 2550 9150 2500
$Comp
L Device:D_TVS D2
U 1 1 5DF4CF47
P 8600 2700
F 0 "D2" V 8646 2621 50 0000 R CNN
F 1 ">8V" V 8555 2621 50 0000 R CNN
F 2 "Diode_SMD:D_0805_2012Metric" H 8600 2700 50 0001 C CNN
F 3 "~" H 8600 2700 50 0001 C CNN
1 8600 2700
0 -1 -1 0
$EndComp
Wire Wire Line
8600 2900 8600 2850
Wire Wire Line
8600 2550 8600 2500
Wire Wire Line
8600 2500 9150 2500
Wire Wire Line
10500 2900 10500 2850
Wire Wire Line
10500 2500 10500 2550
Wire Wire Line
10050 2500 10500 2500
$Comp
L Device:CP C17
U 1 1 5DF4CF55
P 10500 2700
F 0 "C17" H 10618 2746 50 0000 L CNN
F 1 "100u" H 10618 2655 50 0000 L CNN
F 2 "Capacitor_SMD:CP_Elec_5x5.3" H 10538 2550 50 0001 C CNN
F 3 "~" H 10500 2700 50 0001 C CNN
1 10500 2700
1 0 0 -1
$EndComp
$Comp
L Device:L L2
U 1 1 5DF4CF62
P 9600 2500
F 0 "L2" V 9790 2500 50 0000 C CNN
F 1 "3.3u" V 9699 2500 50 0000 C CNN
F 2 "Inductor_SMD:L_Wuerth_MAPI-2512" H 9600 2500 50 0001 C CNN
F 3 "~" H 9600 2500 50 0001 C CNN
F 4 "https://www.digikey.com/product-detail/en/w-rth-elektronik/74438324033/732-5684-1-ND/4969354" H 9600 2500 50 0001 C CNN "DK_Detail_Page"
F 5 "732-5684-1-ND" H 9600 2500 50 0001 C CNN "Digi-Key_PN"
F 6 "74438324033" H 9600 2500 50 0001 C CNN "MPN"
1 9600 2500
0 -1 -1 0
$EndComp
Wire Wire Line
9450 2500 9150 2500
Connection ~ 9150 2500
Wire Wire Line
9750 2500 10050 2500
Connection ~ 10050 2500
$Comp
L power:GND #PWR043
U 1 1 5DF4CF6C
P 8600 2900
F 0 "#PWR043" H 8600 2650 50 0001 C CNN
F 1 "GND" H 8605 2727 50 0000 C CNN
F 2 "" H 8600 2900 50 0001 C CNN
F 3 "" H 8600 2900 50 0001 C CNN
1 8600 2900
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR050
U 1 1 5DF4CF72
P 9150 2900
F 0 "#PWR050" H 9150 2650 50 0001 C CNN
F 1 "GND" H 9155 2727 50 0000 C CNN
F 2 "" H 9150 2900 50 0001 C CNN
F 3 "" H 9150 2900 50 0001 C CNN
1 9150 2900
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR053
U 1 1 5DF4CF78
P 9900 2900
F 0 "#PWR053" H 9900 2650 50 0001 C CNN
F 1 "GND" H 9905 2727 50 0000 C CNN
F 2 "" H 9900 2900 50 0001 C CNN
F 3 "" H 9900 2900 50 0001 C CNN
1 9900 2900
0 1 1 0
$EndComp
$Comp
L power:+5VP #PWR038
U 1 1 5DF50208
P 7500 2200
F 0 "#PWR038" H 7500 2050 50 0001 C CNN
F 1 "+5VP" V 7515 2328 50 0000 L CNN
F 2 "" H 7500 2200 50 0001 C CNN
F 3 "" H 7500 2200 50 0001 C CNN
1 7500 2200
0 -1 -1 0
$EndComp
$Comp
L power:+5V #PWR055
U 1 1 5DF55561
P 10500 2500
F 0 "#PWR055" H 10500 2350 50 0001 C CNN
F 1 "+5V" H 10515 2673 50 0000 C CNN
F 2 "" H 10500 2500 50 0001 C CNN
F 3 "" H 10500 2500 50 0001 C CNN
1 10500 2500
1 0 0 -1
$EndComp
Connection ~ 10500 2500
$Comp
L dk_PMIC-Power-Distribution-Switches-Load-Drivers:STMPS2141STR U2
U 1 1 5DE6DF16
P 7700 2500
F 0 "U2" H 7750 2850 60 0000 C CNN
F 1 "STMPS2141STR" H 7650 2950 60 0000 C CNN
F 2 "digikey-footprints:SOT-753" H 7900 2700 60 0001 L CNN
F 3 "http://www.st.com/content/ccc/resource/technical/document/datasheet/e8/d7/48/25/eb/87/45/b3/CD00167470.pdf/files/CD00167470.pdf/jcr:content/translations/en.CD00167470.pdf" H 7900 2800 60 0001 L CNN
F 4 "497-6933-1-ND" H 7900 2900 60 0001 L CNN "Digi-Key_PN"
F 5 "STMPS2141STR" H 7900 3000 60 0001 L CNN "MPN"
F 6 "Integrated Circuits (ICs)" H 7900 3100 60 0001 L CNN "Category"
F 7 "PMIC - Power Distribution Switches, Load Drivers" H 7900 3200 60 0001 L CNN "Family"
F 8 "http://www.st.com/content/ccc/resource/technical/document/datasheet/e8/d7/48/25/eb/87/45/b3/CD00167470.pdf/files/CD00167470.pdf/jcr:content/translations/en.CD00167470.pdf" H 7900 3300 60 0001 L CNN "DK_Datasheet_Link"
F 9 "/product-detail/en/stmicroelectronics/STMPS2141STR/497-6933-1-ND/1880311" H 7900 3400 60 0001 L CNN "DK_Detail_Page"
F 10 "IC PWR SWITCH 1CH 500MA SOT23-5" H 7900 3500 60 0001 L CNN "Description"
F 11 "STMicroelectronics" H 7900 3600 60 0001 L CNN "Manufacturer"
F 12 "Active" H 7900 3700 60 0001 L CNN "Status"
1 7700 2500
1 0 0 -1
$EndComp
$Comp
L dk_PMIC-Power-Distribution-Switches-Load-Drivers:STMPS2141STR U1
U 1 1 5DE85DA0
P 7700 1250
F 0 "U1" H 7750 1600 60 0000 C CNN
F 1 "STMPS2141STR" H 7650 1700 60 0000 C CNN
F 2 "digikey-footprints:SOT-753" H 7900 1450 60 0001 L CNN
F 3 "http://www.st.com/content/ccc/resource/technical/document/datasheet/e8/d7/48/25/eb/87/45/b3/CD00167470.pdf/files/CD00167470.pdf/jcr:content/translations/en.CD00167470.pdf" H 7900 1550 60 0001 L CNN
F 4 "497-6933-1-ND" H 7900 1650 60 0001 L CNN "Digi-Key_PN"
F 5 "STMPS2141STR" H 7900 1750 60 0001 L CNN "MPN"
F 6 "Integrated Circuits (ICs)" H 7900 1850 60 0001 L CNN "Category"
F 7 "PMIC - Power Distribution Switches, Load Drivers" H 7900 1950 60 0001 L CNN "Family"
F 8 "http://www.st.com/content/ccc/resource/technical/document/datasheet/e8/d7/48/25/eb/87/45/b3/CD00167470.pdf/files/CD00167470.pdf/jcr:content/translations/en.CD00167470.pdf" H 7900 2050 60 0001 L CNN "DK_Datasheet_Link"
F 9 "/product-detail/en/stmicroelectronics/STMPS2141STR/497-6933-1-ND/1880311" H 7900 2150 60 0001 L CNN "DK_Detail_Page"
F 10 "IC PWR SWITCH 1CH 500MA SOT23-5" H 7900 2250 60 0001 L CNN "Description"
F 11 "STMicroelectronics" H 7900 2350 60 0001 L CNN "Manufacturer"
F 12 "Active" H 7900 2450 60 0001 L CNN "Status"
1 7700 1250
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR039
U 1 1 5DE8DA46
P 7600 1550
F 0 "#PWR039" H 7600 1300 50 0001 C CNN
F 1 "GND" V 7605 1422 50 0000 R CNN
F 2 "" H 7600 1550 50 0001 C CNN
F 3 "" H 7600 1550 50 0001 C CNN
1 7600 1550
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR040
U 1 1 5DE8E30E
P 7600 2800
F 0 "#PWR040" H 7600 2550 50 0001 C CNN
F 1 "GND" V 7605 2672 50 0000 R CNN
F 2 "" H 7600 2800 50 0001 C CNN
F 3 "" H 7600 2800 50 0001 C CNN
1 7600 2800
1 0 0 -1
$EndComp
Wire Wire Line
7600 1050 7600 950
Wire Wire Line
7600 950 7500 950
Wire Wire Line
7500 2200 7600 2200
Wire Wire Line
7600 2200 7600 2300
Wire Wire Line
8000 1250 8600 1250
Connection ~ 8600 1250
Wire Wire Line
8000 2500 8600 2500
Connection ~ 8600 2500
Text GLabel 8000 2600 2 50 Input ~ 0
5V_FAULT
Text GLabel 8000 1350 2 50 Input ~ 0
3V3_FAULT
$Comp
L Device:R_Small_US R7
U 1 1 5DEBEE70
P 7150 1450
F 0 "R7" V 6945 1450 50 0000 C CNN
F 1 "10k" V 7036 1450 50 0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 7150 1450 50 0001 C CNN
F 3 "~" H 7150 1450 50 0001 C CNN
1 7150 1450
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR033
U 1 1 5DEC23C1
P 7150 1550
F 0 "#PWR033" H 7150 1300 50 0001 C CNN
F 1 "GND" V 7155 1422 50 0000 R CNN
F 2 "" H 7150 1550 50 0001 C CNN
F 3 "" H 7150 1550 50 0001 C CNN
1 7150 1550
1 0 0 -1
$EndComp
$Comp
L Device:R_Small_US R8
U 1 1 5DEC616D
P 7150 2700
F 0 "R8" V 6945 2700 50 0000 C CNN
F 1 "10k" V 7036 2700 50 0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 7150 2700 50 0001 C CNN
F 3 "~" H 7150 2700 50 0001 C CNN
1 7150 2700
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR034
U 1 1 5DEC749D