neg3v3Source.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 3
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L FANTM_parts:LT3462A U2
U 1 1 61BB6764
P 2300 1900
F 0 "U2" H 2050 2200 50  0000 R CNN
F 1 "LT3462A" H 2700 1550 50  0000 R CNN
F 2 "Package_TO_SOT_SMD:TSOT-23-6" H 3100 1400 50  0001 C CNN
F 3 "https://www.analog.com/media/en/technical-documentation/data-sheets/lt3462.pdf" H 2550 1900 50  0001 C CNN
F 4 "LT3462AES6#TRMPBFCT-ND" H 2300 1900 50  0001 C CNN "Digi-Key_PN"
	1    2300 1900
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R1
U 1 1 6157D7E3
P 3050 1600
F 0 "R1" H 2750 1800 50  0000 L CNN
F 1 "267k" H 2750 1700 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 3090 1590 50  0001 C CNN
F 3 "https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=1773272&DocType=DS&DocLang=English" H 3050 1600 50  0001 C CNN
F 4 "RES SMD 267K OHM 0.1% 1/4W 0805" H 3050 1600 50  0001 C CNN "Description"
F 5 "A110776CT-ND" H 3050 1600 50  0001 C CNN "Digi-Key_PN"
F 6 "TE Connectivity Passive Product" H 3050 1600 50  0001 C CNN "Manufacturer"
F 7 "3-2176094-4" H 3050 1600 50  0001 C CNN "MPN"
F 8 "0.25W, 1/4W" H 3050 1600 50  0001 C CNN "Power"
F 9 "±0.1%" H 2850 1500 50  0000 C CNN "Tolerance"
F 10 "0805" H 2850 1600 50  0000 C CNN "Package"
	1    3050 1600
	1    0    0    -1  
$EndComp
$Comp
L Device:L L2
U 1 1 61BB6766
P 2800 1150
F 0 "L2" V 3172 1150 50  0000 C CNN
F 1 "10uH" V 3081 1150 50  0000 C CNN
F 2 "Inductor_SMD:L_0805_2012Metric" H 2800 1150 50  0001 C CNN
F 3 "https://search.murata.co.jp/Ceramy/image/img/P02/JELF243B-0017.pdf" H 2800 1150 50  0001 C CNN
F 4 "FIXED IND 10UH 100MA 390MOHM SMD" V 2800 1150 50  0001 C CNN "Description"
F 5 "LQM21FN100M80L" V 2800 1150 50  0001 C CNN "MPN"
F 6 "Murata Electronics" V 2800 1150 50  0001 C CNN "Manufacturer"
F 7 "490-6682-1-ND" V 2800 1150 50  0001 C CNN "Digi-Key_PN"
F 8 "±20%" V 2800 1150 50  0001 C CNN "Tolerance"
F 9 "100 mA" V 2990 1150 50  0000 C CNN "Current Rating (Amps)"
F 10 "0805" V 2899 1150 50  0000 C CNN "Package"
	1    2800 1150
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_US R2
U 1 1 61BB6767
P 3050 2050
F 0 "R2" H 2950 1900 50  0000 R CNN
F 1 "102k" H 2950 2000 50  0000 R CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 3090 2040 50  0001 C CNN
F 3 "https://www.yageo.com/upload/media/product/productsearch/datasheet/rchip/PYu-RT_1-to-0.01_RoHS_L_12.pdf" H 3050 2050 50  0001 C CNN
F 4 "YAG4817CT-ND" H 3050 2050 50  0001 C CNN "Digi-Key_PN"
F 5 "YAGEO" H 3050 2050 50  0001 C CNN "Manufacturer"
F 6 "RT0805BRD07102KL" H 3050 2050 50  0001 C CNN "MPN"
F 7 "RES SMD 102K OHM 0.1% 1/8W 0805" H 3050 2050 50  0001 C CNN "Description"
F 8 "±0.1%" H 2850 2200 50  0000 C CNN "Tolerance"
F 9 "0805" H 2850 2100 50  0000 C CNN "Package"
	1    3050 2050
	-1   0    0    1   
$EndComp
$Comp
L Device:C C3
U 1 1 61BB6769
P 3350 1600
F 0 "C3" H 3450 1800 50  0000 L CNN
F 1 "22pF" H 3450 1700 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 3388 1450 50  0001 C CNN
F 3 "http://www.samsungsem.com/kr/support/product-search/mlcc/CL21C220JBANNNC.jsp" H 3350 1600 50  0001 C CNN
F 4 "1276-1047-1-ND" H 3350 1600 50  0001 C CNN "Digi-Key_PN"
F 5 "Samsung Electro-Mechanics" H 3350 1600 50  0001 C CNN "Manufacturer"
F 6 "CL21C220JBANNNC" H 3350 1600 50  0001 C CNN "MPN"
F 7 "CAP CER 22PF 50V C0G/NP0 0805" H 3350 1600 50  0001 C CNN "Description"
F 8 "±5%" H 3350 1600 50  0001 C CNN "Tolerance"
F 9 "50V" H 3350 1600 50  0001 C CNN "Voltage - Rated"
F 10 "C0G, NP0" H 3550 1500 50  0000 C CNN "Temperature Coefficient"
F 11 "0805" H 3550 1600 50  0000 C CNN "Package"
	1    3350 1600
	1    0    0    -1  
$EndComp
$Comp
L Device:C C4
U 1 1 61BB676A
P 3750 1600
F 0 "C4" H 3850 1800 50  0000 L CNN
F 1 "4.7uF" H 3850 1700 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 3788 1450 50  0001 C CNN
F 3 "~" H 3750 1600 50  0001 C CNN
F 4 "TDK Corporation" H 3750 1600 50  0001 C CNN "Manufacturer"
F 5 "CGA4J3X7R1C475K125AB" H 3750 1600 50  0001 C CNN "MPN"
F 6 "CAP CER 4.7UF 16V X7R 0805" H 3750 1600 50  0001 C CNN "Description"
F 7 "445-6969-1-ND" H 3750 1600 50  0001 C CNN "Digi-Key_PN"
F 8 "±10%" H 3750 1600 50  0001 C CNN "Tolerance"
F 9 "16V" H 3750 1600 50  0001 C CNN "Voltage - Rated"
F 10 "X7R" H 3950 1500 50  0000 C CNN "Temperature Coefficient"
F 11 "0805" H 3950 1600 50  0000 C CNN "Package"
	1    3750 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	2200 1550 2200 1350
Wire Wire Line
	2200 1350 2050 1350
Wire Wire Line
	2050 1350 2050 1150
Wire Wire Line
	2050 1150 2150 1150
Wire Wire Line
	2050 1150 1950 1150
Connection ~ 2050 1150
Wire Wire Line
	2400 1550 2400 1350
Wire Wire Line
	2400 1350 2550 1350
Wire Wire Line
	2550 1350 2550 1150
Wire Wire Line
	2550 1150 2450 1150
Wire Wire Line
	2650 1150 2550 1150
Connection ~ 2550 1150
Wire Wire Line
	2600 1800 3050 1800
Wire Wire Line
	3050 1800 3050 1750
Wire Wire Line
	3050 1800 3050 1900
Connection ~ 3050 1800
Wire Wire Line
	3050 2250 3050 2200
Wire Wire Line
	3050 1150 2950 1150
Wire Wire Line
	3350 1750 3350 1800
Wire Wire Line
	3350 1800 3050 1800
$Comp
L Device:C C5
U 1 1 615915AB
P 4450 1600
F 0 "C5" H 4550 1800 50  0000 L CNN
F 1 "10uF" H 4550 1700 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 4488 1450 50  0001 C CNN
F 3 "http://www.samsungsem.com/kr/support/product-search/mlcc/CL21B106KOQNNNG.jsp" H 4450 1600 50  0001 C CNN
F 4 "1276-6472-1-ND" H 4450 1600 50  0001 C CNN "Digi-Key_PN"
F 5 "Samsung Electro-Mechanics" H 4450 1600 50  0001 C CNN "Manufacturer"
F 6 "CL21B106KOQNNNG" H 4450 1600 50  0001 C CNN "MPN"
F 7 "CAP CER 10UF 16V X7R 0805" H 4450 1600 50  0001 C CNN "Description"
F 8 "±10%" H 4450 1600 50  0001 C CNN "Tolerance"
F 9 "16V" H 4450 1600 50  0001 C CNN "Voltage - Rated"
F 10 "X7R" H 4650 1500 50  0000 C CNN "Temperature Coefficient"
F 11 "0805" H 4650 1600 50  0000 C CNN "Package"
	1    4450 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	4450 1150 4250 1150
Wire Wire Line
	2600 1950 2750 1950
Wire Wire Line
	2750 1950 2750 2250
Wire Wire Line
	2750 2250 3050 2250
Wire Wire Line
	1350 1750 1350 1850
Wire Wire Line
	3750 1750 3750 1850
Wire Wire Line
	4450 1750 4450 1850
Connection ~ 3050 1150
Wire Wire Line
	3050 1150 3050 1450
Wire Wire Line
	3050 1150 3350 1150
Wire Wire Line
	4450 1150 4450 1450
Wire Wire Line
	3750 1150 3750 1450
Connection ~ 3750 1150
Wire Wire Line
	3750 1150 3950 1150
Wire Wire Line
	3350 1150 3350 1450
Connection ~ 3350 1150
Wire Wire Line
	3350 1150 3650 1150
Wire Wire Line
	2300 2300 2300 2400
Wire Wire Line
	1550 1150 1550 1850
Wire Wire Line
	1350 1050 1350 1150
Wire Wire Line
	1350 1150 1550 1150
Connection ~ 1350 1150
Wire Wire Line
	1350 1150 1350 1450
Connection ~ 1550 1150
Wire Wire Line
	1550 1150 1650 1150
Wire Wire Line
	1550 1850 2000 1850
$Comp
L power:+3V3 #PWR0113
U 1 1 616BB5FF
P 1350 1050
F 0 "#PWR0113" H 1350 900 50  0001 C CNN
F 1 "+3V3" H 1365 1223 50  0000 C CNN
F 2 "" H 1350 1050 50  0001 C CNN
F 3 "" H 1350 1050 50  0001 C CNN
	1    1350 1050
	1    0    0    -1  
$EndComp
$Comp
L power:-3V3 #PWR0114
U 1 1 61BB676D
P 4450 1050
F 0 "#PWR0114" H 4450 1150 50  0001 C CNN
F 1 "-3V3" H 4465 1223 50  0000 C 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
Wire Wire Line
	4450 1050 4450 1150
Connection ~ 4450 1150
$Comp
L Device:R_US R3
U 1 1 615848A9
P 4100 1150
F 0 "R3" V 3713 1150 50  0000 C CNN
F 1 "249" V 3804 1150 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 4140 1140 50  0001 C CNN
F 3 "https://www.yageo.com/upload/media/product/productsearch/datasheet/rchip/PYu-RC_Group_51_RoHS_L_11.pdf" H 4100 1150 50  0001 C CNN
F 4 "311-249HRCT-ND" V 4100 1150 50  0001 C CNN "Digi-Key_PN"
F 5 "Yageo" V 4100 1150 50  0001 C CNN "Manufacturer"
F 6 "RC0603FR-07249RL" V 4100 1150 50  0001 C CNN "MPN"
F 7 "RES SMD 249 OHM 1% 1/10W 0603" V 4100 1150 50  0001 C CNN "Description"
F 8 "±1%" V 3895 1150 50  0000 C CNN "Tolerance"
F 9 "0603" V 3986 1150 50  0000 C CNN "Package"
	1    4100 1150
	0    1    1    0   
$EndComp
$Comp
L Device:C C1
U 1 1 61BB6772
P 1350 1600
F 0 "C1" H 1100 1750 50  0000 L CNN
F 1 "1uF" H 1100 1650 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1388 1450 50  0001 C CNN
F 3 "http://www.samsungsem.com/kr/support/product-search/mlcc/CL21B105KOFNNNG.jsp" H 1350 1600 50  0001 C CNN
F 4 "1276-6471-1-ND" H 1350 1600 50  0001 C CNN "Digi-Key_PN"
F 5 "X7R" H 1150 1450 50  0000 C CNN "Temperature Coefficient"
F 6 "0805" H 1150 1550 50  0000 C CNN "Package"
F 7 "16V" H 1350 1600 50  0001 C CNN "Voltage Rating"
F 8 "CL21B105KOFNNNG" H 1350 1600 50  0001 C CNN "MPN"
F 9 "CAP CER 1UF 16V X7R 0805" H 1350 1600 50  0001 C CNN "Description"
	1    1350 1600
	1    0    0    -1  
$EndComp
$Comp
L Device:C C2
U 1 1 61BB6773
P 2300 1150
F 0 "C2" V 2250 950 50  0000 L CNN
F 1 "1uF" V 2250 1250 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 2338 1000 50  0001 C CNN
F 3 "http://www.samsungsem.com/kr/support/product-search/mlcc/CL21B105KOFNNNG.jsp" H 2300 1150 50  0001 C CNN
F 4 "1276-6471-1-ND" H 2300 1150 50  0001 C CNN "Digi-Key_PN"
F 5 "X7R" V 2350 1000 50  0000 C CNN "Temperature Coefficient"
F 6 "0805" V 2350 1300 50  0000 C CNN "Package"
F 7 "16V" H 2300 1150 50  0001 C CNN "Voltage Rating"
F 8 "CL21B105KOFNNNG" H 2300 1150 50  0001 C CNN "MPN"
F 9 "CAP CER 1UF 16V X7R 0805" H 2300 1150 50  0001 C CNN "Description"
	1    2300 1150
	0    1    1    0   
$EndComp
$Comp
L Device:L L1
U 1 1 61BB6774
P 1800 1150
F 0 "L1" V 2172 1150 50  0000 C CNN
F 1 "10uH" V 2081 1150 50  0000 C CNN
F 2 "Inductor_SMD:L_0805_2012Metric" H 1800 1150 50  0001 C CNN
F 3 "https://search.murata.co.jp/Ceramy/image/img/P02/JELF243B-0017.pdf" H 1800 1150 50  0001 C CNN
F 4 "FIXED IND 10UH 100MA 390MOHM SMD" V 1800 1150 50  0001 C CNN "Description"
F 5 "LQM21FN100M80L" V 1800 1150 50  0001 C CNN "MPN"
F 6 "Murata Electronics" V 1800 1150 50  0001 C CNN "Manufacturer"
F 7 "490-6682-1-ND" V 1800 1150 50  0001 C CNN "Digi-Key_PN"
F 8 "±20%" V 1800 1150 50  0001 C CNN "Tolerance"
F 9 "100 mA" V 1990 1150 50  0000 C CNN "Current Rating (Amps)"
F 10 "0805" V 1899 1150 50  0000 C CNN "Package"
	1    1800 1150
	0    -1   -1   0   
$EndComp
$Comp
L Connector:TestPoint TP?
U 1 1 61AC24A9
P 4700 1150
AR Path="/61AC24A9" Ref="TP?"  Part="1" 
AR Path="/61577094/61AC24A9" Ref="TP2"  Part="1" 
AR Path="/605EF1AE/61AC24A9" Ref="TP2"  Part="1" 
F 0 "TP2" V 4650 1300 50  0000 R CNN
F 1 "-3V3" V 4700 1650 50  0000 R CNN
F 2 "digikey-footprints:Test_Point_D1.02mm" H 4900 1150 50  0001 C CNN
F 3 "https://www.keyelco.com/userAssets/file/M65p56.pdf" H 4900 1150 50  0001 C CNN
F 4 "36-5001-ND" V 4700 1150 50  0001 C CNN "Digi-Key_PN"
F 5 "5001" V 4700 1150 50  0001 C CNN "MPN"
F 6 "PC TEST POINT MINIATURE BLACK" V 4700 1150 50  0001 C CNN "Description"
F 7 "0.040\" (1.02mm) Hole Diameter" V 4700 1150 50  0001 C CNN "Mounting Type"
	1    4700 1150
	0    1    1    0   
$EndComp
$Comp
L Connector:TestPoint TP?
U 1 1 61AC35DE
P 3650 1050
AR Path="/61AC35DE" Ref="TP?"  Part="1" 
AR Path="/61577094/61AC35DE" Ref="TP1"  Part="1" 
AR Path="/605EF1AE/61AC35DE" Ref="TP1"  Part="1" 
F 0 "TP1" V 3600 1200 50  0000 R CNN
F 1 "-3V3_RAW" V 3650 1550 50  0000 R CNN
F 2 "digikey-footprints:Test_Point_D1.02mm" H 3850 1050 50  0001 C CNN
F 3 "https://www.keyelco.com/userAssets/file/M65p56.pdf" H 3850 1050 50  0001 C CNN
F 4 "36-5001-ND" V 3650 1050 50  0001 C CNN "Digi-Key_PN"
F 5 "5001" V 3650 1050 50  0001 C CNN "MPN"
F 6 "PC TEST POINT MINIATURE BLACK" V 3650 1050 50  0001 C CNN "Description"
F 7 "0.040\" (1.02mm) Hole Diameter" V 3650 1050 50  0001 C CNN "Mounting Type"
	1    3650 1050
	1    0    0    -1  
$EndComp
Wire Wire Line
	3650 1050 3650 1150
Connection ~ 3650 1150
Wire Wire Line
	3650 1150 3750 1150
Wire Wire Line
	4700 1150 4450 1150
Text Label 3150 1150 0    50   ~ 0
-3V3_RAW
Text Label 2050 1150 3    50   ~ 0
-3V3_SW
Text Label 2400 1350 3    50   ~ 0
-3V3_D
Text Label 2625 1800 0    50   ~ 0
-3V3_FB
Text Label 2750 1950 3    50   ~ 0
-3V3_SDREF
$Comp
L power:GND #PWR0115
U 1 1 61C1C6A4
P 2300 2400
F 0 "#PWR0115" H 2300 2150 50  0001 C CNN
F 1 "GND" H 2305 2227 50  0000 C CNN
F 2 "" H 2300 2400 50  0001 C CNN
F 3 "" H 2300 2400 50  0001 C CNN
	1    2300 2400
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0116
U 1 1 61C1CA65
P 3750 1850
F 0 "#PWR0116" H 3750 1600 50  0001 C CNN
F 1 "GND" H 3755 1677 50  0000 C CNN
F 2 "" H 3750 1850 50  0001 C CNN
F 3 "" H 3750 1850 50  0001 C CNN
	1    3750 1850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0117
U 1 1 61C1D260
P 4450 1850
F 0 "#PWR0117" H 4450 1600 50  0001 C CNN
F 1 "GND" H 4455 1677 50  0000 C CNN
F 2 "" H 4450 1850 50  0001 C CNN
F 3 "" H 4450 1850 50  0001 C CNN
	1    4450 1850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0118
U 1 1 61C1D652
P 1350 1850
F 0 "#PWR0118" H 1350 1600 50  0001 C CNN
F 1 "GND" H 1355 1677 50  0000 C CNN
F 2 "" H 1350 1850 50  0001 C CNN
F 3 "" H 1350 1850 50  0001 C CNN
	1    1350 1850
	1    0    0    -1  
$EndComp
$Comp
L dk_LED-Indication-Discrete:LG_L29K-G2J1-24-Z D1
U 1 1 61BE7EBB
P 1500 3025
F 0 "D1" H 1450 3362 60  0000 C CNN
F 1 "GREEN LED" H 1450 3256 60  0000 C CNN
F 2 "digikey-footprints:0603" H 1700 3225 60  0001 L CNN
F 3 "https://dammedia.osram.info/media/resource/hires/osram-dam-2493945/LG%20L29K.pdf" H 1700 3325 60  0001 L CNN
F 4 "475-2709-1-ND" H 1700 3425 60  0001 L CNN "Digi-Key_PN"
F 5 "LG L29K-G2J1-24-Z" H 1700 3525 60  0001 L CNN "MPN"
F 6 "Optoelectronics" H 1700 3625 60  0001 L CNN "Category"
F 7 "LED Indication - Discrete" H 1700 3725 60  0001 L CNN "Family"
F 8 "https://dammedia.osram.info/media/resource/hires/osram-dam-2493945/LG%20L29K.pdf" H 1700 3825 60  0001 L CNN "DK_Datasheet_Link"
F 9 "/product-detail/en/osram-opto-semiconductors-inc/LG-L29K-G2J1-24-Z/475-2709-1-ND/1938876" H 1700 3925 60  0001 L CNN "DK_Detail_Page"
F 10 "LED GREEN DIFFUSED 0603 SMD" H 1700 4025 60  0001 L CNN "Description"
F 11 "OSRAM Opto Semiconductors Inc." H 1700 4125 60  0001 L CNN "Manufacturer"
F 12 "Active" H 1700 4225 60  0001 L CNN "Status"
	1    1500 3025
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R20
U 1 1 61BE9D18
P 1900 3025
F 0 "R20" V 1513 3025 50  0000 C CNN
F 1 "1k" V 1604 3025 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 1940 3015 50  0001 C CNN
F 3 "https://www.seielect.com/catalog/sei-rmcf_rmcp.pdf" H 1900 3025 50  0001 C CNN
F 4 "RMCF0603JJ1K00CT-ND" V 1900 3025 50  0001 C CNN "Digi-Key_PN"
F 5 "RMCF0603JJ1K00" V 1900 3025 50  0001 C CNN "MPN"
F 6 "RES 1K OHM 5% 1/10W 0603" V 1900 3025 50  0001 C CNN "Description"
F 7 "±5%" V 1695 3025 50  0000 C CNN "Tolerance"
F 8 "0603" V 1786 3025 50  0000 C CNN "Package"
	1    1900 3025
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR0146
U 1 1 61BEAAE5
P 1100 3125
F 0 "#PWR0146" H 1100 2875 50  0001 C CNN
F 1 "GND" H 1105 2952 50  0000 C CNN
F 2 "" H 1100 3125 50  0001 C CNN
F 3 "" H 1100 3125 50  0001 C CNN
	1    1100 3125
	1    0    0    -1  
$EndComp
Text Label 2550 3025 2    50   ~ 0
-3V3_RAW
Wire Wire Line
	2550 3025 2050 3025
Wire Wire Line
	1750 3025 1600 3025
Wire Wire Line
	1300 3025 1100 3025
Wire Wire Line
	1100 3025 1100 3125
$EndSCHEMATC