tinypol.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "48V-to-5V 1-A Tiny PoL"
Date "2019-11-25"
Rev ""
Comp "Fully Automated OÜ"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Mechanical:MountingHole_Pad H1
U 1 1 5E17695B
P 850 7300
F 0 "H1" H 950 7349 50  0000 L CNN
F 1 "M3" H 950 7258 50  0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3_ISO7380_Pad" H 850 7300 50  0001 C CNN
F 3 "~" H 850 7300 50  0001 C CNN
F 4 "d.n.p." H 850 7300 50  0001 C CNN "V1"
	1    850  7300
	1    0    0    -1  
$EndComp
NoConn ~ 850  7400
$Comp
L meansOfCircuitDesign:Fully_Automated_Logo G1
U 1 1 5E177E51
P 1050 6600
F 0 "G1" H 1150 6350 60  0001 C CNN
F 1 "Fully_Automated_Logo" H 1050 6890 60  0001 C CNN
F 2 "Automated:falogo_small_copper" H 1050 6600 50  0001 C CNN
F 3 "" H 1050 6600 50  0001 C CNN
F 4 "d.n.p." H 1050 6600 50  0001 C CNN "V1"
	1    1050 6600
	1    0    0    -1  
$EndComp
$Comp
L Graphic:SYM_Arrow45_Large G2
U 1 1 5E17963F
P 1450 7250
F 0 "G2" H 1450 7410 50  0001 C CNN
F 1 "Transsistor Logo" H 1750 7000 50  0000 R CNN
F 2 "Automated:transistor_10x10mm" H 1450 7250 50  0001 C CNN
F 3 "~" H 1450 7250 50  0001 C CNN
F 4 "d.n.p." H 1450 7250 50  0001 C CNN "V1"
	1    1450 7250
	-1   0    0    -1  
$EndComp
$Comp
L Graphic:SYM_Arrow45_Large #SYM1
U 1 1 5E17B2EC
P 1400 7200
F 0 "#SYM1" H 1400 7360 50  0001 C CNN
F 1 "SYM_Arrow45_Large" H 1400 7060 50  0001 C CNN
F 2 "" H 1400 7200 50  0001 C CNN
F 3 "~" H 1400 7200 50  0001 C CNN
	1    1400 7200
	0    1    1    0   
$EndComp
$Comp
L Graphic:SYM_Arrow45_Large #SYM2
U 1 1 5E17BE68
P 1500 7300
F 0 "#SYM2" H 1500 7460 50  0001 C CNN
F 1 "SYM_Arrow45_Large" H 1500 7160 50  0001 C CNN
F 2 "" H 1500 7300 50  0001 C CNN
F 3 "~" H 1500 7300 50  0001 C CNN
	1    1500 7300
	0    1    1    0   
$EndComp
$Comp
L power:VBUS #PWR?
U 1 1 5FAFBD26
P 4900 6600
AR Path="/5DC023B6/5FAFBD26" Ref="#PWR?"  Part="1" 
AR Path="/5DC460E3/5FAFBD26" Ref="#PWR?"  Part="1" 
AR Path="/5DC18D84/5E17ED97/5FAFBD26" Ref="#PWR?"  Part="1" 
AR Path="/5DC18D84/5FAFBD26" Ref="#PWR?"  Part="1" 
AR Path="/5FAFBD26" Ref="#PWR05"  Part="1" 
F 0 "#PWR05" H 4900 6450 50  0001 C CNN
F 1 "VBUS" H 4915 6773 50  0000 C CNN
F 2 "" H 4900 6600 50  0001 C CNN
F 3 "" H 4900 6600 50  0001 C CNN
	1    4900 6600
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R?
U 1 1 5FAFBD2D
P 10250 5850
AR Path="/5DC023B6/5FAFBD2D" Ref="R?"  Part="1" 
AR Path="/5DC460E3/5FAFBD2D" Ref="R?"  Part="1" 
AR Path="/5DC18D84/5E17ED97/5FAFBD2D" Ref="R?"  Part="1" 
AR Path="/5DC18D84/5FAFBD2D" Ref="R?"  Part="1" 
AR Path="/5FAFBD2D" Ref="R6"  Part="1" 
F 0 "R6" H 10309 5896 50  0000 L CNN
F 1 "100k" H 10309 5805 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 10250 5850 50  0001 C CNN
F 3 "~" H 10250 5850 50  0001 C CNN
F 4 "" H 10250 5850 50  0001 C CNN "V1"
	1    10250 5850
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5FAFBD33
P 10400 6050
AR Path="/5DC18D84/5E17ED97/5FAFBD33" Ref="#PWR?"  Part="1" 
AR Path="/5DC18D84/5FAFBD33" Ref="#PWR?"  Part="1" 
AR Path="/5FAFBD33" Ref="#PWR016"  Part="1" 
F 0 "#PWR016" H 10400 5800 50  0001 C CNN
F 1 "GND" H 10405 5877 50  0000 C CNN
F 2 "" H 10400 6050 50  0001 C CNN
F 3 "" H 10400 6050 50  0001 C CNN
	1    10400 6050
	1    0    0    -1  
$EndComp
Wire Wire Line
	10350 5850 10400 5850
Connection ~ 10400 5850
Wire Wire Line
	10400 5850 10400 5800
Wire Wire Line
	10050 5600 10050 5850
Wire Wire Line
	10050 5850 10150 5850
Wire Wire Line
	10050 5600 10000 5600
Wire Wire Line
	10400 5850 10400 6050
$Comp
L Device:R_Small R?
U 1 1 5FAFBD41
P 9900 5600
AR Path="/5DC023B6/5FAFBD41" Ref="R?"  Part="1" 
AR Path="/5DC460E3/5FAFBD41" Ref="R?"  Part="1" 
AR Path="/5DC18D84/5E17ED97/5FAFBD41" Ref="R?"  Part="1" 
AR Path="/5DC18D84/5FAFBD41" Ref="R?"  Part="1" 
AR Path="/5FAFBD41" Ref="R5"  Part="1" 
F 0 "R5" H 9959 5646 50  0000 L CNN
F 1 "1k" H 9959 5555 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 9900 5600 50  0001 C CNN
F 3 "~" H 9900 5600 50  0001 C CNN
F 4 "" H 9900 5600 50  0001 C CNN "V1"
	1    9900 5600
	0    1    1    0   
$EndComp
Wire Wire Line
	9800 5600 8800 5600
$Comp
L Device:D_Zener_Small D?
U 1 1 5FAFBD49
P 3250 6800
AR Path="/5DC18D84/5E17EDA7/5FAFBD49" Ref="D?"  Part="1" 
AR Path="/5DC18D84/5FAFBD49" Ref="D?"  Part="1" 
AR Path="/5FAFBD49" Ref="D1"  Part="1" 
F 0 "D1" V 3204 6868 50  0000 L CNN
F 1 "SMAJ48A-13-F" V 3295 6868 50  0000 L CNN
F 2 "Diode_SMD:D_SMA" V 3250 6800 50  0001 C CNN
F 3 "~" V 3250 6800 50  0001 C CNN
F 4 "621-SMAJ48A-13-F" H 3250 6800 50  0001 C CNN "V1"
	1    3250 6800
	0    1    1    0   
$EndComp
$Comp
L Transistor_FET:BSS123 Q?
U 1 1 5FAFBD50
P 10300 5600
AR Path="/5DC18D84/5FAFBD50" Ref="Q?"  Part="1" 
AR Path="/5FAFBD50" Ref="Q1"  Part="1" 
F 0 "Q1" H 10506 5646 50  0000 L CNN
F 1 "BSS123" H 10506 5555 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 10500 5525 50  0001 L CIN
F 3 "http://www.diodes.com/assets/Datasheets/ds30366.pdf" H 10300 5600 50  0001 L CNN
F 4 "863-BSS123LT1G" H 10300 5600 50  0001 C CNN "V1"
	1    10300 5600
	1    0    0    -1  
$EndComp
Wire Wire Line
	10100 5600 10050 5600
Connection ~ 10050 5600
Wire Wire Line
	4850 6900 4900 6900
Wire Wire Line
	4900 6900 4900 6800
Wire Wire Line
	4850 6800 4900 6800
Connection ~ 4900 6800
Wire Wire Line
	3250 7150 3250 6900
Wire Wire Line
	3250 6700 3250 6600
Text Notes 3350 7200 0    50   ~ 0
TVS diode, so\nwe might survive\na hot-plug event
$Comp
L Connector_Generic:Conn_01x04 J?
U 1 1 5FAFBD60
P 4650 6900
AR Path="/5DC18E4B/5FAFBD60" Ref="J?"  Part="1" 
AR Path="/5DC18D84/5FAFBD60" Ref="J?"  Part="1" 
AR Path="/5FAFBD60" Ref="J1"  Part="1" 
F 0 "J1" H 4600 7100 50  0000 L CNN
F 1 "IN" H 4550 6600 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal" H 4650 6900 50  0001 C CNN
F 3 "~" H 4650 6900 50  0001 C CNN
F 4 "d.n.p." H 4650 6900 50  0001 C CNN "V1"
	1    4650 6900
	-1   0    0    -1  
$EndComp
Wire Wire Line
	4850 7000 4900 7000
Wire Wire Line
	4900 7000 4900 7100
Wire Wire Line
	4850 7100 4900 7100
$Comp
L meansOfCircuitDesign:SY8502 U?
U 1 1 5FAFBD69
P 5500 3550
AR Path="/5DC18D84/5FAFBD69" Ref="U?"  Part="1" 
AR Path="/5FAFBD69" Ref="U1"  Part="1" 
F 0 "U1" H 5500 3967 50  0000 C CNN
F 1 "SY8502" H 5500 3876 50  0000 C CNN
F 2 "Automated:SO8E_Silergy_4x5mm_EP3.4x2.55mm" H 5500 3450 50  0001 C CNN
F 3 "https://datasheet.lcsc.com/szlcsc/Silergy-Corp-SY8502FCC_C87752.pdf" H 5500 3450 50  0001 C CNN
	1    5500 3550
	1    0    0    -1  
$EndComp
$Comp
L power:+5VL #PWR?
U 1 1 5FAFBD6F
P 8250 3300
AR Path="/5DC18D84/5FAFBD6F" Ref="#PWR?"  Part="1" 
AR Path="/5FAFBD6F" Ref="#PWR012"  Part="1" 
F 0 "#PWR012" H 8250 3150 50  0001 C CNN
F 1 "+5VL" H 8265 3473 50  0000 C CNN
F 2 "" H 8250 3300 50  0001 C CNN
F 3 "" H 8250 3300 50  0001 C CNN
	1    8250 3300
	1    0    0    -1  
$EndComp
$Comp
L power:VBUS #PWR?
U 1 1 5FAFBD75
P 3550 3300
AR Path="/5DC18D84/5E17EDA7/5FAFBD75" Ref="#PWR?"  Part="1" 
AR Path="/5DC18D84/5FAFBD75" Ref="#PWR?"  Part="1" 
AR Path="/5FAFBD75" Ref="#PWR03"  Part="1" 
F 0 "#PWR03" H 3550 3150 50  0001 C CNN
F 1 "VBUS" H 3565 3473 50  0000 C CNN
F 2 "" H 3550 3300 50  0001 C CNN
F 3 "" H 3550 3300 50  0001 C CNN
	1    3550 3300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5FAFBD7B
P 5500 4000
AR Path="/5DC18D84/5E17ED97/5FAFBD7B" Ref="#PWR?"  Part="1" 
AR Path="/5DC18D84/5FAFBD7B" Ref="#PWR?"  Part="1" 
AR Path="/5FAFBD7B" Ref="#PWR07"  Part="1" 
F 0 "#PWR07" H 5500 3750 50  0001 C CNN
F 1 "GND" H 5505 3827 50  0000 C CNN
F 2 "" H 5500 4000 50  0001 C CNN
F 3 "" H 5500 4000 50  0001 C CNN
	1    5500 4000
	-1   0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5FAFBD81
P 6150 3850
AR Path="/5DC023B6/5FAFBD81" Ref="C?"  Part="1" 
AR Path="/5DC65EA5/5FAFBD81" Ref="C?"  Part="1" 
AR Path="/5DCD8F19/5FAFBD81" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5E17EDA7/5FAFBD81" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5FAFBD81" Ref="C?"  Part="1" 
AR Path="/5FAFBD81" Ref="C5"  Part="1" 
F 0 "C5" H 6059 3896 50  0000 R CNN
F 1 "100nF" H 6059 3805 50  0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 6150 3850 50  0001 C CNN
F 3 "~" H 6150 3850 50  0001 C CNN
	1    6150 3850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5FAFBD87
P 6150 4000
AR Path="/5DC18D84/5E17ED97/5FAFBD87" Ref="#PWR?"  Part="1" 
AR Path="/5DC18D84/5FAFBD87" Ref="#PWR?"  Part="1" 
AR Path="/5FAFBD87" Ref="#PWR010"  Part="1" 
F 0 "#PWR010" H 6150 3750 50  0001 C CNN
F 1 "GND" H 6155 3827 50  0000 C CNN
F 2 "" H 6150 4000 50  0001 C CNN
F 3 "" H 6150 4000 50  0001 C CNN
	1    6150 4000
	-1   0    0    -1  
$EndComp
Wire Wire Line
	6150 4000 6150 3950
Wire Wire Line
	5850 3600 6150 3600
Wire Wire Line
	6150 3600 6150 3750
Wire Wire Line
	6250 3500 5850 3500
Wire Wire Line
	5850 3700 6100 3700
Text Label 6100 3700 2    50   ~ 0
SYFB
Wire Wire Line
	6800 3400 7000 3400
Wire Wire Line
	8250 3400 8250 3300
$Comp
L Device:C_Small C?
U 1 1 5FAFBD95
P 7000 3600
AR Path="/5DC023B6/5FAFBD95" Ref="C?"  Part="1" 
AR Path="/5DC65EA5/5FAFBD95" Ref="C?"  Part="1" 
AR Path="/5DCD8F19/5FAFBD95" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5E17EDA7/5FAFBD95" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5FAFBD95" Ref="C?"  Part="1" 
AR Path="/5FAFBD95" Ref="C7"  Part="1" 
F 0 "C7" H 7050 3900 50  0000 R CNN
F 1 "22uF/6.3V" H 6909 3555 50  0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7000 3600 50  0001 C CNN
F 3 "~" H 7000 3600 50  0001 C CNN
	1    7000 3600
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5FAFBD9B
P 7150 3600
AR Path="/5DC023B6/5FAFBD9B" Ref="C?"  Part="1" 
AR Path="/5DC65EA5/5FAFBD9B" Ref="C?"  Part="1" 
AR Path="/5DCD8F19/5FAFBD9B" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5E17EDA7/5FAFBD9B" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5FAFBD9B" Ref="C?"  Part="1" 
AR Path="/5FAFBD9B" Ref="C8"  Part="1" 
F 0 "C8" H 7200 3900 50  0000 R CNN
F 1 "22uF/6.3V" H 7059 3555 50  0001 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7150 3600 50  0001 C CNN
F 3 "~" H 7150 3600 50  0001 C CNN
	1    7150 3600
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5FAFBDA1
P 7300 3600
AR Path="/5DC023B6/5FAFBDA1" Ref="C?"  Part="1" 
AR Path="/5DC65EA5/5FAFBDA1" Ref="C?"  Part="1" 
AR Path="/5DCD8F19/5FAFBDA1" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5E17EDA7/5FAFBDA1" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5FAFBDA1" Ref="C?"  Part="1" 
AR Path="/5FAFBDA1" Ref="C9"  Part="1" 
F 0 "C9" H 7250 3900 50  0000 L CNN
F 1 "22uF/6.3V" H 7392 3555 50  0001 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7300 3600 50  0001 C CNN
F 3 "~" H 7300 3600 50  0001 C CNN
	1    7300 3600
	1    0    0    -1  
$EndComp
Wire Wire Line
	7000 3500 7000 3400
Connection ~ 7000 3400
Wire Wire Line
	7000 3400 7150 3400
Wire Wire Line
	7150 3500 7150 3400
Connection ~ 7150 3400
Wire Wire Line
	7150 3400 7300 3400
Wire Wire Line
	7300 3500 7300 3400
Connection ~ 7300 3400
Wire Wire Line
	7300 3400 7450 3400
$Comp
L power:GND #PWR?
U 1 1 5FAFBDB0
P 8250 4000
AR Path="/5DC18D84/5E17ED97/5FAFBDB0" Ref="#PWR?"  Part="1" 
AR Path="/5DC18D84/5FAFBDB0" Ref="#PWR?"  Part="1" 
AR Path="/5FAFBDB0" Ref="#PWR013"  Part="1" 
F 0 "#PWR013" H 8250 3750 50  0001 C CNN
F 1 "GND" H 8255 3827 50  0000 C CNN
F 2 "" H 8250 4000 50  0001 C CNN
F 3 "" H 8250 4000 50  0001 C CNN
	1    8250 4000
	1    0    0    -1  
$EndComp
Wire Wire Line
	5500 4000 5500 3900
Wire Wire Line
	8250 4000 8250 3800
Wire Wire Line
	8250 3800 8150 3800
Wire Wire Line
	7000 3800 7000 3700
Wire Wire Line
	7150 3700 7150 3800
Connection ~ 7150 3800
Wire Wire Line
	7150 3800 7000 3800
Wire Wire Line
	7300 3700 7300 3800
Connection ~ 7300 3800
Wire Wire Line
	7300 3800 7150 3800
$Comp
L Device:R_Small R?
U 1 1 5FAFBDC1
P 9300 3850
AR Path="/5DC023B6/5FAFBDC1" Ref="R?"  Part="1" 
AR Path="/5DCD8F19/5FAFBDC1" Ref="R?"  Part="1" 
AR Path="/5DC18D84/5E17EDA7/5FAFBDC1" Ref="R?"  Part="1" 
AR Path="/5DC18D84/5FAFBDC1" Ref="R?"  Part="1" 
AR Path="/5FAFBDC1" Ref="R4"  Part="1" 
F 0 "R4" H 9359 3896 50  0000 L CNN
F 1 "3.3k" H 9359 3805 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 9300 3850 50  0001 C CNN
F 3 "~" H 9300 3850 50  0001 C CNN
F 4 "" H 9300 3850 50  0001 C CNN "V1"
	1    9300 3850
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R?
U 1 1 5FAFBDC8
P 9300 3550
AR Path="/5DC023B6/5FAFBDC8" Ref="R?"  Part="1" 
AR Path="/5DCD8F19/5FAFBDC8" Ref="R?"  Part="1" 
AR Path="/5DC18D84/5E17EDA7/5FAFBDC8" Ref="R?"  Part="1" 
AR Path="/5DC18D84/5FAFBDC8" Ref="R?"  Part="1" 
AR Path="/5FAFBDC8" Ref="R3"  Part="1" 
F 0 "R3" H 9359 3596 50  0000 L CNN
F 1 "11k" H 9359 3505 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 9300 3550 50  0001 C CNN
F 3 "~" H 9300 3550 50  0001 C CNN
F 4 "" H 9300 3550 50  0001 C CNN "V1"
	1    9300 3550
	1    0    0    -1  
$EndComp
Wire Wire Line
	8250 3400 9150 3400
Wire Wire Line
	9300 3400 9300 3450
Connection ~ 8250 3400
Wire Wire Line
	9300 3650 9300 3700
Wire Wire Line
	9300 3700 9150 3700
Connection ~ 9300 3700
Wire Wire Line
	9300 3700 9300 3750
$Comp
L power:GND #PWR?
U 1 1 5FAFBDD5
P 9300 4000
AR Path="/5DC18D84/5E17ED97/5FAFBDD5" Ref="#PWR?"  Part="1" 
AR Path="/5DC18D84/5FAFBDD5" Ref="#PWR?"  Part="1" 
AR Path="/5FAFBDD5" Ref="#PWR015"  Part="1" 
F 0 "#PWR015" H 9300 3750 50  0001 C CNN
F 1 "GND" H 9305 3827 50  0000 C CNN
F 2 "" H 9300 4000 50  0001 C CNN
F 3 "" H 9300 4000 50  0001 C CNN
	1    9300 4000
	1    0    0    -1  
$EndComp
Wire Wire Line
	9300 4000 9300 3950
Text Label 8700 3700 0    50   ~ 0
SYFB
Text Notes 8400 3350 0    50   ~ 0
5.2V nominal
$Comp
L power:GND #PWR?
U 1 1 5FAFBDDE
P 3550 4000
AR Path="/5DC18D84/5E17ED97/5FAFBDDE" Ref="#PWR?"  Part="1" 
AR Path="/5DC18D84/5FAFBDDE" Ref="#PWR?"  Part="1" 
AR Path="/5FAFBDDE" Ref="#PWR04"  Part="1" 
F 0 "#PWR04" H 3550 3750 50  0001 C CNN
F 1 "GND" H 3555 3827 50  0000 C CNN
F 2 "" H 3550 4000 50  0001 C CNN
F 3 "" H 3550 4000 50  0001 C CNN
	1    3550 4000
	-1   0    0    -1  
$EndComp
Wire Wire Line
	3550 4000 3550 3900
$Comp
L Device:C_Small C?
U 1 1 5FAFBDE5
P 4450 3750
AR Path="/5DC023B6/5FAFBDE5" Ref="C?"  Part="1" 
AR Path="/5DC65EA5/5FAFBDE5" Ref="C?"  Part="1" 
AR Path="/5DCD8F19/5FAFBDE5" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5E17EDA7/5FAFBDE5" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5FAFBDE5" Ref="C?"  Part="1" 
AR Path="/5FAFBDE5" Ref="C4"  Part="1" 
F 0 "C4" H 4550 4100 50  0000 R CNN
F 1 "2.2uF/100V" V 4500 3650 50  0000 R CNN
F 2 "Capacitor_SMD:C_1210_3225Metric" H 4450 3750 50  0001 C CNN
F 3 "~" H 4450 3750 50  0001 C CNN
	1    4450 3750
	1    0    0    -1  
$EndComp
Wire Wire Line
	4450 3850 4450 3900
Wire Wire Line
	4450 3900 4250 3900
Connection ~ 3550 3900
Wire Wire Line
	3550 3900 3550 3850
$Comp
L Device:C_Small C?
U 1 1 5FAFBDEF
P 3550 3750
AR Path="/5DC023B6/5FAFBDEF" Ref="C?"  Part="1" 
AR Path="/5DC65EA5/5FAFBDEF" Ref="C?"  Part="1" 
AR Path="/5DCD8F19/5FAFBDEF" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5E17EDA7/5FAFBDEF" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5FAFBDEF" Ref="C?"  Part="1" 
AR Path="/5FAFBDEF" Ref="C1"  Part="1" 
F 0 "C1" H 3400 4000 50  0000 L CNN
F 1 "100nF/100V" V 3400 3250 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3550 3750 50  0001 C CNN
F 3 "~" H 3550 3750 50  0001 C CNN
	1    3550 3750
	1    0    0    -1  
$EndComp
Wire Wire Line
	3550 3300 3550 3500
Wire Wire Line
	5150 3500 4750 3500
Connection ~ 3550 3500
Connection ~ 4450 3500
Wire Wire Line
	4450 3500 4250 3500
Wire Wire Line
	3550 3500 3550 3650
Wire Wire Line
	4450 3500 4450 3650
$Comp
L Device:R_Small R?
U 1 1 5FAFBDFD
P 4900 3600
AR Path="/5DC023B6/5FAFBDFD" Ref="R?"  Part="1" 
AR Path="/5DC460E3/5FAFBDFD" Ref="R?"  Part="1" 
AR Path="/5DC18D84/5E17ED97/5FAFBDFD" Ref="R?"  Part="1" 
AR Path="/5DC18D84/5FAFBDFD" Ref="R?"  Part="1" 
AR Path="/5FAFBDFD" Ref="R1"  Part="1" 
F 0 "R1" V 4796 3600 50  0000 C CNN
F 1 "100k" V 4705 3600 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 4900 3600 50  0001 C CNN
F 3 "~" H 4900 3600 50  0001 C CNN
F 4 "" H 4900 3600 50  0001 C CNN "V1"
	1    4900 3600
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5000 3600 5150 3600
Wire Wire Line
	4800 3600 4750 3600
Wire Wire Line
	4750 3600 4750 3500
Connection ~ 4750 3500
Wire Wire Line
	4750 3500 4700 3500
$Comp
L Device:C_Small C?
U 1 1 5FAFBE08
P 9150 3550
AR Path="/5DC023B6/5FAFBE08" Ref="C?"  Part="1" 
AR Path="/5DC65EA5/5FAFBE08" Ref="C?"  Part="1" 
AR Path="/5DCD8F19/5FAFBE08" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5E17EDA7/5FAFBE08" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5FAFBE08" Ref="C?"  Part="1" 
AR Path="/5FAFBE08" Ref="C14"  Part="1" 
F 0 "C14" H 9059 3596 50  0000 R CNN
F 1 "47pF" H 9059 3505 50  0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9150 3550 50  0001 C CNN
F 3 "~" H 9150 3550 50  0001 C CNN
	1    9150 3550
	1    0    0    -1  
$EndComp
Wire Wire Line
	9150 3450 9150 3400
Connection ~ 9150 3400
Wire Wire Line
	9150 3400 9300 3400
Wire Wire Line
	9150 3650 9150 3700
Connection ~ 9150 3700
Wire Wire Line
	9150 3700 8700 3700
Wire Wire Line
	5150 3700 5100 3700
Wire Wire Line
	5100 3700 5100 3950
Wire Wire Line
	5100 3950 5000 3950
Text Label 5100 3950 1    50   ~ 0
SYRON
$Comp
L Device:R_Small R?
U 1 1 5FAFBE19
P 4900 3950
AR Path="/5DC023B6/5FAFBE19" Ref="R?"  Part="1" 
AR Path="/5DC460E3/5FAFBE19" Ref="R?"  Part="1" 
AR Path="/5DC18D84/5E17ED97/5FAFBE19" Ref="R?"  Part="1" 
AR Path="/5DC18D84/5FAFBE19" Ref="R?"  Part="1" 
AR Path="/5FAFBE19" Ref="R2"  Part="1" 
F 0 "R2" V 4796 3950 50  0000 C CNN
F 1 "1.62M" V 4705 3950 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 4900 3950 50  0001 C CNN
F 3 "~" H 4900 3950 50  0001 C CNN
F 4 "" H 4900 3950 50  0001 C CNN "V1"
	1    4900 3950
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4800 3950 4700 3950
Wire Wire Line
	4700 3950 4700 3500
Connection ~ 4700 3500
Wire Wire Line
	4700 3500 4450 3500
Text Label 5150 3600 2    50   ~ 0
SYE
Text Label 5850 3400 0    50   ~ 0
SYLX
Text Label 5850 3500 0    50   ~ 0
SYBS
Wire Wire Line
	6450 3500 6500 3500
$Comp
L Device:C_Small C?
U 1 1 5FAFBE27
P 6350 3500
AR Path="/5DC023B6/5FAFBE27" Ref="C?"  Part="1" 
AR Path="/5DC65EA5/5FAFBE27" Ref="C?"  Part="1" 
AR Path="/5DCD8F19/5FAFBE27" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5E17EDA7/5FAFBE27" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5FAFBE27" Ref="C?"  Part="1" 
AR Path="/5FAFBE27" Ref="C6"  Part="1" 
F 0 "C6" V 6487 3500 50  0000 C CNN
F 1 "100nF" V 6578 3500 50  0000 C CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 6350 3500 50  0001 C CNN
F 3 "~" H 6350 3500 50  0001 C CNN
	1    6350 3500
	0    1    1    0   
$EndComp
Wire Wire Line
	5850 3400 6500 3400
Wire Wire Line
	6500 3500 6500 3400
Connection ~ 6500 3400
Wire Wire Line
	6500 3400 6600 3400
Text Label 5850 3600 0    50   ~ 0
SYVCC
$Comp
L Device:D_Schottky_Small D?
U 1 1 5FAFBE33
P 6200 3050
AR Path="/5DC18D84/5E17ED97/5FAFBE33" Ref="D?"  Part="1" 
AR Path="/5DC18D84/5FAFBE33" Ref="D?"  Part="1" 
AR Path="/5FAFBE33" Ref="D2"  Part="1" 
F 0 "D2" V 6246 2982 50  0000 R CNN
F 1 "MMBD330T1G" V 6155 2982 50  0000 R CNN
F 2 "Diode_SMD:D_SOT-23_ANK" V 6200 3050 50  0001 C CNN
F 3 "~" V 6200 3050 50  0001 C CNN
F 4 "863-MMBD330T1G" H 6200 3050 50  0001 C CNN "V1"
	1    6200 3050
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6200 3150 6200 3600
Wire Wire Line
	6200 3600 6150 3600
Connection ~ 6150 3600
$Comp
L power:+5VL #PWR?
U 1 1 5FAFBE3C
P 6200 2900
AR Path="/5DC18D84/5FAFBE3C" Ref="#PWR?"  Part="1" 
AR Path="/5FAFBE3C" Ref="#PWR011"  Part="1" 
F 0 "#PWR011" H 6200 2750 50  0001 C CNN
F 1 "+5VL" H 6215 3073 50  0000 C CNN
F 2 "" H 6200 2900 50  0001 C CNN
F 3 "" H 6200 2900 50  0001 C CNN
	1    6200 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	6200 2900 6200 2950
Text Notes 4650 4450 0    50   ~ 0
344 kHz
Text Notes 4650 4350 0    50   ~ 0
fsw[kHz]=(11*Vout[V]+500)/Ron[MOhm]
Text Notes 8700 3800 0    50   ~ 0
1.2V
Text Notes 5400 2950 0    50   ~ 0
SYVCC must be \nabove 4.5 V for\nefficient operation\n -> low Vf diode
$Comp
L power:VBUS #PWR?
U 1 1 5FAFBE47
P 3250 6600
AR Path="/5DC023B6/5FAFBE47" Ref="#PWR?"  Part="1" 
AR Path="/5DC460E3/5FAFBE47" Ref="#PWR?"  Part="1" 
AR Path="/5DC18D84/5E17ED97/5FAFBE47" Ref="#PWR?"  Part="1" 
AR Path="/5DC18D84/5FAFBE47" Ref="#PWR?"  Part="1" 
AR Path="/5FAFBE47" Ref="#PWR01"  Part="1" 
F 0 "#PWR01" H 3250 6450 50  0001 C CNN
F 1 "VBUS" H 3265 6773 50  0000 C CNN
F 2 "" H 3250 6600 50  0001 C CNN
F 3 "" H 3250 6600 50  0001 C CNN
	1    3250 6600
	1    0    0    -1  
$EndComp
Wire Wire Line
	5150 3400 4900 3400
Text Label 4900 3400 0    50   ~ 0
VBUS
$Comp
L Device:L_Core_Ferrite_Small L?
U 1 1 5FAFBE50
P 6700 3400
AR Path="/5DC18DED/5FAFBE50" Ref="L?"  Part="1" 
AR Path="/5DC18EA6/5FAFBE50" Ref="L?"  Part="1" 
AR Path="/5DC91BAA/5FAFBE50" Ref="L?"  Part="1" 
AR Path="/5DFBB68F/5FAFBE50" Ref="L?"  Part="1" 
AR Path="/5DC18D84/5FAFBE50" Ref="L?"  Part="1" 
AR Path="/5FAFBE50" Ref="L1"  Part="1" 
F 0 "L1" V 6905 3400 50  0000 C CNN
F 1 "47uH" V 6814 3400 50  0000 C CNN
F 2 "Inductor_SMD:L_Bourns_SRN6045TA" H 6700 3400 50  0001 C CNN
F 3 "https://www.mouser.at/datasheet/2/54/srn6045ta-1391592.pdf" H 6700 3400 50  0001 C CNN
F 4 "652-SRN6045TA-470M" V 6700 3400 50  0001 C CNN "V1"
	1    6700 3400
	0    -1   -1   0   
$EndComp
Wire Wire Line
	10400 5400 10400 5300
Wire Wire Line
	10400 5300 10600 5300
Text Label 10600 5300 2    50   ~ 0
SYE
$Comp
L power:GND #PWR?
U 1 1 5FAFBE5A
P 4900 7150
AR Path="/5DC18D84/5E17ED97/5FAFBE5A" Ref="#PWR?"  Part="1" 
AR Path="/5DC18D84/5FAFBE5A" Ref="#PWR?"  Part="1" 
AR Path="/5FAFBE5A" Ref="#PWR06"  Part="1" 
F 0 "#PWR06" H 4900 6900 50  0001 C CNN
F 1 "GND" H 4905 6977 50  0000 C CNN
F 2 "" H 4900 7150 50  0001 C CNN
F 3 "" H 4900 7150 50  0001 C CNN
	1    4900 7150
	-1   0    0    -1  
$EndComp
Wire Wire Line
	4900 7100 4900 7150
Connection ~ 4900 7100
Wire Wire Line
	4900 6600 4900 6800
$Comp
L Connector_Generic:Conn_01x04 J?
U 1 1 5FAFBE64
P 6000 6900
AR Path="/5DC18E4B/5FAFBE64" Ref="J?"  Part="1" 
AR Path="/5DC18D84/5FAFBE64" Ref="J?"  Part="1" 
AR Path="/5FAFBE64" Ref="J2"  Part="1" 
F 0 "J2" H 5950 7100 50  0000 L CNN
F 1 "OUT" H 5900 6600 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal" H 6000 6900 50  0001 C CNN
F 3 "~" H 6000 6900 50  0001 C CNN
F 4 "d.n.p." H 6000 6900 50  0001 C CNN "V1"
	1    6000 6900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5FAFBE6A
P 3250 7150
AR Path="/5DC18D84/5E17EDA7/5FAFBE6A" Ref="#PWR?"  Part="1" 
AR Path="/5DC18D84/5FAFBE6A" Ref="#PWR?"  Part="1" 
AR Path="/5FAFBE6A" Ref="#PWR02"  Part="1" 
F 0 "#PWR02" H 3250 6900 50  0001 C CNN
F 1 "GND" H 3255 6977 50  0000 C CNN
F 2 "" H 3250 7150 50  0001 C CNN
F 3 "" H 3250 7150 50  0001 C CNN
	1    3250 7150
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5FAFBE70
P 4250 3750
AR Path="/5DC023B6/5FAFBE70" Ref="C?"  Part="1" 
AR Path="/5DC65EA5/5FAFBE70" Ref="C?"  Part="1" 
AR Path="/5DCD8F19/5FAFBE70" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5E17EDA7/5FAFBE70" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5FAFBE70" Ref="C?"  Part="1" 
AR Path="/5FAFBE70" Ref="C3"  Part="1" 
F 0 "C3" H 4200 4100 50  0000 R CNN
F 1 "2.2uF/100V" V 4300 3650 50  0001 R CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 4250 3750 50  0001 C CNN
F 3 "~" H 4250 3750 50  0001 C CNN
	1    4250 3750
	1    0    0    -1  
$EndComp
Wire Wire Line
	4250 3850 4250 3900
Connection ~ 4250 3900
Wire Wire Line
	4250 3900 3800 3900
Wire Wire Line
	4250 3650 4250 3500
Connection ~ 4250 3500
Wire Wire Line
	4250 3500 3800 3500
$Comp
L power:+5VL #PWR?
U 1 1 5FAFBE7C
P 5750 6600
AR Path="/5DC18D84/5FAFBE7C" Ref="#PWR?"  Part="1" 
AR Path="/5FAFBE7C" Ref="#PWR08"  Part="1" 
F 0 "#PWR08" H 5750 6450 50  0001 C CNN
F 1 "+5VL" H 5765 6773 50  0000 C CNN
F 2 "" H 5750 6600 50  0001 C CNN
F 3 "" H 5750 6600 50  0001 C CNN
	1    5750 6600
	1    0    0    -1  
$EndComp
Wire Wire Line
	5750 6600 5750 6800
Wire Wire Line
	5750 6900 5800 6900
Wire Wire Line
	5800 6800 5750 6800
Connection ~ 5750 6800
Wire Wire Line
	5750 6800 5750 6900
Wire Wire Line
	5800 7000 5750 7000
Wire Wire Line
	5750 7000 5750 7100
Wire Wire Line
	5800 7100 5750 7100
$Comp
L power:GND #PWR?
U 1 1 5FAFBE8A
P 5750 7150
AR Path="/5DC18D84/5E17ED97/5FAFBE8A" Ref="#PWR?"  Part="1" 
AR Path="/5DC18D84/5FAFBE8A" Ref="#PWR?"  Part="1" 
AR Path="/5FAFBE8A" Ref="#PWR09"  Part="1" 
F 0 "#PWR09" H 5750 6900 50  0001 C CNN
F 1 "GND" H 5755 6977 50  0000 C CNN
F 2 "" H 5750 7150 50  0001 C CNN
F 3 "" H 5750 7150 50  0001 C CNN
	1    5750 7150
	1    0    0    -1  
$EndComp
Wire Wire Line
	5750 7100 5750 7150
Connection ~ 5750 7100
Text Label 8900 5600 0    50   ~ 0
DISABLE_CONVERTER
$Comp
L Connector_Generic:Conn_01x02 J4
U 1 1 5FB3CCF2
P 8600 5700
F 0 "J4" H 8518 5375 50  0000 C CNN
F 1 "OFF" H 8518 5466 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Horizontal" H 8600 5700 50  0001 C CNN
F 3 "~" H 8600 5700 50  0001 C CNN
	1    8600 5700
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5FB3DF7C
P 8850 6050
AR Path="/5DC18D84/5E17ED97/5FB3DF7C" Ref="#PWR?"  Part="1" 
AR Path="/5DC18D84/5FB3DF7C" Ref="#PWR?"  Part="1" 
AR Path="/5FB3DF7C" Ref="#PWR014"  Part="1" 
F 0 "#PWR014" H 8850 5800 50  0001 C CNN
F 1 "GND" H 8855 5877 50  0000 C CNN
F 2 "" H 8850 6050 50  0001 C CNN
F 3 "" H 8850 6050 50  0001 C CNN
	1    8850 6050
	1    0    0    -1  
$EndComp
Wire Wire Line
	8800 5700 8850 5700
Wire Wire Line
	8850 5700 8850 6050
Text Label 9000 5200 2    50   ~ 0
SYE
$Comp
L Connector_Generic:Conn_01x01 J3
U 1 1 5FB74A27
P 8600 5200
F 0 "J3" H 8680 5242 50  0000 L CNN
F 1 "EN" H 8680 5151 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Horizontal" H 8600 5200 50  0001 C CNN
F 3 "~" H 8600 5200 50  0001 C CNN
	1    8600 5200
	-1   0    0    1   
$EndComp
Wire Wire Line
	9000 5200 8800 5200
$Comp
L Device:C_Small C?
U 1 1 5FB8B03C
P 7450 3600
AR Path="/5DC023B6/5FB8B03C" Ref="C?"  Part="1" 
AR Path="/5DC65EA5/5FB8B03C" Ref="C?"  Part="1" 
AR Path="/5DCD8F19/5FB8B03C" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5E17EDA7/5FB8B03C" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5FB8B03C" Ref="C?"  Part="1" 
AR Path="/5FB8B03C" Ref="C10"  Part="1" 
F 0 "C10" H 7400 3900 50  0000 L CNN
F 1 "22uF/6.3V" H 7542 3555 50  0001 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 7450 3600 50  0001 C CNN
F 3 "~" H 7450 3600 50  0001 C CNN
	1    7450 3600
	1    0    0    -1  
$EndComp
$Comp
L Device:CP_Small C?
U 1 1 5FB8B38E
P 7950 3600
AR Path="/5DC023B6/5FB8B38E" Ref="C?"  Part="1" 
AR Path="/5DC65EA5/5FB8B38E" Ref="C?"  Part="1" 
AR Path="/5DCD8F19/5FB8B38E" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5E17EDA7/5FB8B38E" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5FB8B38E" Ref="C?"  Part="1" 
AR Path="/5FB8B38E" Ref="C12"  Part="1" 
F 0 "C12" H 7850 3900 50  0000 L CNN
F 1 "d.n.p." H 8042 3555 50  0001 L CNN
F 2 "Capacitor_SMD:C_Elec_6.3x5.8" H 7950 3600 50  0001 C CNN
F 3 "~" H 7950 3600 50  0001 C CNN
	1    7950 3600
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5FB93C58
P 7600 3600
AR Path="/5DC023B6/5FB93C58" Ref="C?"  Part="1" 
AR Path="/5DC65EA5/5FB93C58" Ref="C?"  Part="1" 
AR Path="/5DCD8F19/5FB93C58" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5E17EDA7/5FB93C58" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5FB93C58" Ref="C?"  Part="1" 
AR Path="/5FB93C58" Ref="C11"  Part="1" 
F 0 "C11" H 7550 3900 50  0000 L CNN
F 1 "22uF/6.3V" H 7692 3555 50  0001 L CNN
F 2 "Capacitor_SMD:C_1210_3225Metric" H 7600 3600 50  0001 C CNN
F 3 "~" H 7600 3600 50  0001 C CNN
	1    7600 3600
	1    0    0    -1  
$EndComp
Wire Wire Line
	7450 3500 7450 3400
Connection ~ 7450 3400
Wire Wire Line
	7450 3400 7600 3400
Wire Wire Line
	7450 3700 7450 3800
Connection ~ 7450 3800
Wire Wire Line
	7450 3800 7300 3800
Wire Wire Line
	7600 3700 7600 3800
Connection ~ 7600 3800
Wire Wire Line
	7600 3800 7450 3800
Wire Wire Line
	7600 3500 7600 3400
Connection ~ 7600 3400
Wire Wire Line
	7600 3400 7950 3400
Wire Wire Line
	7950 3700 7950 3800
Connection ~ 7950 3800
Wire Wire Line
	7950 3800 7600 3800
Wire Wire Line
	7950 3500 7950 3400
Connection ~ 7950 3400
Wire Wire Line
	7950 3400 8150 3400
$Comp
L Device:CP_Small C?
U 1 1 5FBC0056
P 8150 3600
AR Path="/5DC023B6/5FBC0056" Ref="C?"  Part="1" 
AR Path="/5DC65EA5/5FBC0056" Ref="C?"  Part="1" 
AR Path="/5DCD8F19/5FBC0056" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5E17EDA7/5FBC0056" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5FBC0056" Ref="C?"  Part="1" 
AR Path="/5FBC0056" Ref="C13"  Part="1" 
F 0 "C13" H 8050 3900 50  0000 L CNN
F 1 "d.n.p." H 8242 3555 50  0001 L CNN
F 2 "Capacitor_SMD:C_Elec_6.3x5.8" H 8150 3600 50  0001 C CNN
F 3 "~" H 8150 3600 50  0001 C CNN
	1    8150 3600
	1    0    0    -1  
$EndComp
Wire Wire Line
	8150 3700 8150 3800
Connection ~ 8150 3800
Wire Wire Line
	8150 3800 7950 3800
Wire Wire Line
	8150 3500 8150 3400
Connection ~ 8150 3400
Wire Wire Line
	8150 3400 8250 3400
$Comp
L Device:CP_Small C?
U 1 1 5FBD93E3
P 3800 3750
AR Path="/5DC023B6/5FBD93E3" Ref="C?"  Part="1" 
AR Path="/5DC65EA5/5FBD93E3" Ref="C?"  Part="1" 
AR Path="/5DCD8F19/5FBD93E3" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5E17EDA7/5FBD93E3" Ref="C?"  Part="1" 
AR Path="/5DC18D84/5FBD93E3" Ref="C?"  Part="1" 
AR Path="/5FBD93E3" Ref="C2"  Part="1" 
F 0 "C2" H 3750 4100 50  0000 L CNN
F 1 "d.n.p." H 3892 3705 50  0001 L CNN
F 2 "Capacitor_SMD:C_Elec_6.3x5.8" H 3800 3750 50  0001 C CNN
F 3 "~" H 3800 3750 50  0001 C CNN
	1    3800 3750
	1    0    0    -1  
$EndComp
Wire Wire Line
	3800 3650 3800 3500
Connection ~ 3800 3500
Wire Wire Line
	3800 3500 3550 3500
Wire Wire Line
	3800 3850 3800 3900
Connection ~ 3800 3900
Wire Wire Line
	3800 3900 3550 3900
$EndSCHEMATC