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usb2h4.sch
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EESchema Schematic File Version 2
LIBS:bekicadlib
LIBS:power
LIBS:device
LIBS:usb2h4-cache
EELAYER 27 0
EELAYER END
$Descr B 17000 11000
encoding utf-8
Sheet 1 1
Title "USB2H4 - USB 2.0 Hub 4 Ports"
Date "6 apr 2015"
Rev "PRE-A"
Comp "Bradford Embedded"
Comment1 ""
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Comment3 ""
Comment4 ""
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1 12250 4600
1 0 0 -1
$EndComp
$Comp
L SRF2012-900YA L3
U 1 1 550BF2A5
P 12250 5900
F 0 "L3" H 12250 6050 60 0000 C CNN
F 1 "SRF2012-900YA" H 12250 5700 60 0000 C CNN
F 2 "~" H 12250 5900 60 0000 C CNN
F 3 "~" H 12250 5900 60 0000 C CNN
1 12250 5900
1 0 0 -1
$EndComp
$Comp
L SRF2012-900YA L4
U 1 1 550BF2AB
P 12250 7200
F 0 "L4" H 12250 7350 60 0000 C CNN
F 1 "SRF2012-900YA" H 12250 7000 60 0000 C CNN
F 2 "~" H 12250 7200 60 0000 C CNN
F 3 "~" H 12250 7200 60 0000 C CNN
1 12250 7200
1 0 0 -1
$EndComp
$Comp
L SRF2012-900YA L5
U 1 1 550BF2B1
P 12250 8500
F 0 "L5" H 12250 8650 60 0000 C CNN
F 1 "SRF2012-900YA" H 12250 8300 60 0000 C CNN
F 2 "~" H 12250 8500 60 0000 C CNN
F 3 "~" H 12250 8500 60 0000 C CNN
1 12250 8500
1 0 0 -1
$EndComp
$Comp
L R R20
U 1 1 550FEE96
P 5600 2550
F 0 "R20" V 5680 2550 40 0000 C CNN
F 1 "330K" V 5607 2551 40 0000 C CNN
F 2 "~" V 5530 2550 30 0000 C CNN
F 3 "~" H 5600 2550 30 0000 C CNN
1 5600 2550
1 0 0 -1
$EndComp
$Comp
L C C6
U 1 1 550FEEA5
P 5900 2500
F 0 "C6" H 5900 2600 40 0000 L CNN
F 1 "1UF" H 5906 2415 40 0000 L CNN
F 2 "~" H 5938 2350 30 0000 C CNN
F 3 "~" H 5900 2500 60 0000 C CNN
F 4 "16V" H 5950 2350 40 0000 C CNN "Voltage"
1 5900 2500
1 0 0 -1
$EndComp
$Comp
L R R21
U 1 1 550FEEB2
P 6250 1950
F 0 "R21" V 6330 1950 40 0000 C CNN
F 1 "100K" V 6257 1951 40 0000 C CNN
F 2 "~" V 6180 1950 30 0000 C CNN
F 3 "~" H 6250 1950 30 0000 C CNN
1 6250 1950
-1 0 0 1
$EndComp
$Comp
L GND #PWR020
U 1 1 550FEEBA
P 5750 2900
F 0 "#PWR020" H 5750 2900 30 0001 C CNN
F 1 "GND" H 5750 2830 30 0001 C CNN
F 2 "" H 5750 2900 60 0000 C CNN
F 3 "" H 5750 2900 60 0000 C CNN
1 5750 2900
1 0 0 -1
$EndComp
$Comp
L R R22
U 1 1 550FF2D9
P 7900 6700
F 0 "R22" V 7980 6700 40 0000 C CNN
F 1 "12K" V 7900 6650 40 0000 C CNN
F 2 "~" V 7830 6700 30 0000 C CNN
F 3 "~" H 7900 6700 30 0000 C CNN
F 4 "1%" V 7900 6800 40 0000 C CNN "Tolerance"
1 7900 6700
1 0 0 -1
$EndComp
$Comp
L GND #PWR021
U 1 1 550FF3A2
P 7900 7000
F 0 "#PWR021" H 7900 7000 30 0001 C CNN
F 1 "GND" H 7900 6930 30 0001 C CNN
F 2 "" H 7900 7000 60 0000 C CNN
F 3 "" H 7900 7000 60 0000 C CNN
1 7900 7000
1 0 0 -1
$EndComp
$Comp
L GND #PWR022
U 1 1 550FFAE2
P 7500 9100
F 0 "#PWR022" H 7500 9100 30 0001 C CNN
F 1 "GND" H 7500 9030 30 0001 C CNN
F 2 "" H 7500 9100 60 0000 C CNN
F 3 "" H 7500 9100 60 0000 C CNN
1 7500 9100
1 0 0 -1
$EndComp
$Comp
L C C7
U 1 1 551000C8
P 7750 8350
F 0 "C7" H 7750 8450 40 0000 L CNN
F 1 "0.1UF" H 7756 8265 40 0000 L CNN
F 2 "~" H 7788 8200 30 0000 C CNN
F 3 "~" H 7750 8350 60 0000 C CNN
1 7750 8350
1 0 0 -1
$EndComp
$Comp
L C C9
U 1 1 551000DF
P 8000 8350
F 0 "C9" H 8000 8450 40 0000 L CNN
F 1 "0.01UF" H 8006 8265 40 0000 L CNN
F 2 "~" H 8038 8200 30 0000 C CNN
F 3 "~" H 8000 8350 60 0000 C CNN
1 8000 8350
1 0 0 -1
$EndComp
$Comp
L C C11
U 1 1 551000E5
P 8250 8350
F 0 "C11" H 8250 8450 40 0000 L CNN
F 1 "0.1UF" H 8256 8265 40 0000 L CNN
F 2 "~" H 8288 8200 30 0000 C CNN
F 3 "~" H 8250 8350 60 0000 C CNN
1 8250 8350
1 0 0 -1
$EndComp
$Comp
L C C13
U 1 1 55100113
P 8500 8350
F 0 "C13" H 8500 8450 40 0000 L CNN
F 1 "10UF" H 8506 8265 40 0000 L CNN
F 2 "~" H 8538 8200 30 0000 C CNN
F 3 "~" H 8500 8350 60 0000 C CNN
1 8500 8350
1 0 0 -1
$EndComp
$Comp
L GND #PWR023
U 1 1 5510067F
P 7850 8600
F 0 "#PWR023" H 7850 8600 30 0001 C CNN
F 1 "GND" H 7850 8530 30 0001 C CNN
F 2 "" H 7850 8600 60 0000 C CNN
F 3 "" H 7850 8600 60 0000 C CNN
1 7850 8600
1 0 0 -1
$EndComp
$Comp
L MI0805L301R-10 FB1
U 1 1 5510194B
P 9100 8150
F 0 "FB1" H 9100 8250 60 0000 C CNN
F 1 "MI0805L301R-10" H 9050 8050 60 0000 C CNN
F 2 "~" H 9100 8150 60 0000 C CNN
F 3 "~" H 9100 8150 60 0000 C CNN
1 9100 8150
1 0 0 -1
$EndComp
$Comp
L C C17
U 1 1 55101BD2
P 9600 8350
F 0 "C17" H 9600 8450 40 0000 L CNN
F 1 "0.1UF" H 9606 8265 40 0000 L CNN
F 2 "~" H 9638 8200 30 0000 C CNN
F 3 "~" H 9600 8350 60 0000 C CNN
1 9600 8350
1 0 0 -1
$EndComp
$Comp
L C C18
U 1 1 55101BD8
P 9850 8350
F 0 "C18" H 9850 8450 40 0000 L CNN
F 1 "10UF" H 9856 8265 40 0000 L CNN
F 2 "~" H 9888 8200 30 0000 C CNN
F 3 "~" H 9850 8350 60 0000 C CNN
1 9850 8350
1 0 0 -1
$EndComp
$Comp
L C C21
U 1 1 55101BDE
P 10100 8350
F 0 "C21" H 10100 8450 40 0000 L CNN
F 1 "0.1UF" H 10106 8265 40 0000 L CNN
F 2 "~" H 10138 8200 30 0000 C CNN
F 3 "~" H 10100 8350 60 0000 C CNN
1 10100 8350
1 0 0 -1
$EndComp
$Comp
L GND #PWR024
U 1 1 5510202F
P 9700 8600
F 0 "#PWR024" H 9700 8600 30 0001 C CNN
F 1 "GND" H 9700 8530 30 0001 C CNN
F 2 "" H 9700 8600 60 0000 C CNN
F 3 "" H 9700 8600 60 0000 C CNN
1 9700 8600
1 0 0 -1
$EndComp
$Comp
L +3.3V #PWR025
U 1 1 55102332
P 9950 8000
F 0 "#PWR025" H 9950 7960 30 0001 C CNN
F 1 "+3.3V" H 9950 8110 30 0000 C CNN
F 2 "" H 9950 8000 60 0000 C CNN
F 3 "" H 9950 8000 60 0000 C CNN
1 9950 8000
1 0 0 -1
$EndComp
$Comp
L C C8
U 1 1 55102606
P 7800 7450
F 0 "C8" H 7800 7550 40 0000 L CNN
F 1 "0.1UF" H 7806 7365 40 0000 L CNN
F 2 "~" H 7838 7300 30 0000 C CNN
F 3 "~" H 7800 7450 60 0000 C CNN
1 7800 7450
1 0 0 -1
$EndComp
$Comp
L C C10
U 1 1 5510260C
P 8050 7450
F 0 "C10" H 8050 7550 40 0000 L CNN
F 1 "10UF" H 8056 7365 40 0000 L CNN
F 2 "~" H 8088 7300 30 0000 C CNN
F 3 "~" H 8050 7450 60 0000 C CNN
1 8050 7450
1 0 0 -1
$EndComp
$Comp
L GND #PWR026
U 1 1 55102619
P 7950 7700
F 0 "#PWR026" H 7950 7700 30 0001 C CNN
F 1 "GND" H 7950 7630 30 0001 C CNN
F 2 "" H 7950 7700 60 0000 C CNN
F 3 "" H 7950 7700 60 0000 C CNN
1 7950 7700
1 0 0 -1
$EndComp
$Comp
L C C12
U 1 1 5510427F
P 8350 7350
F 0 "C12" H 8350 7450 40 0000 L CNN
F 1 "0.1UF" H 8356 7265 40 0000 L CNN
F 2 "~" H 8388 7200 30 0000 C CNN
F 3 "~" H 8350 7350 60 0000 C CNN
1 8350 7350
1 0 0 -1
$EndComp
$Comp
L C C14
U 1 1 55104285
P 8600 7350
F 0 "C14" H 8600 7450 40 0000 L CNN
F 1 "0.01UF" H 8606 7265 40 0000 L CNN
F 2 "~" H 8638 7200 30 0000 C CNN
F 3 "~" H 8600 7350 60 0000 C CNN
1 8600 7350
1 0 0 -1
$EndComp
$Comp
L C C15
U 1 1 5510428B
P 8850 7350
F 0 "C15" H 8850 7450 40 0000 L CNN
F 1 "0.1UF" H 8856 7265 40 0000 L CNN
F 2 "~" H 8888 7200 30 0000 C CNN
F 3 "~" H 8850 7350 60 0000 C CNN
1 8850 7350
1 0 0 -1
$EndComp
$Comp
L C C16
U 1 1 55104291
P 9100 7350
F 0 "C16" H 9100 7450 40 0000 L CNN
F 1 "10UF" H 9106 7265 40 0000 L CNN
F 2 "~" H 9138 7200 30 0000 C CNN
F 3 "~" H 9100 7350 60 0000 C CNN
1 9100 7350
1 0 0 -1
$EndComp
$Comp
L GND #PWR027
U 1 1 55104297
P 8450 7600
F 0 "#PWR027" H 8450 7600 30 0001 C CNN
F 1 "GND" H 8450 7530 30 0001 C CNN
F 2 "" H 8450 7600 60 0000 C CNN
F 3 "" H 8450 7600 60 0000 C CNN
1 8450 7600
1 0 0 -1
$EndComp
$Comp
L +3.3V #PWR028
U 1 1 55104ACD
P 5100 6750
F 0 "#PWR028" H 5100 6710 30 0001 C CNN
F 1 "+3.3V" H 5100 6860 30 0000 C CNN
F 2 "" H 5100 6750 60 0000 C CNN
F 3 "" H 5100 6750 60 0000 C CNN
1 5100 6750
1 0 0 -1
$EndComp
$Comp
L GND #PWR029
U 1 1 55105210
P 5000 7750
F 0 "#PWR029" H 5000 7750 30 0001 C CNN
F 1 "GND" H 5000 7680 30 0001 C CNN
F 2 "" H 5000 7750 60 0000 C CNN
F 3 "" H 5000 7750 60 0000 C CNN
1 5000 7750
1 0 0 -1
$EndComp
Text Notes 12350 9650 0 80 ~ 16
(C) Andrew Bradford 2015\nLicensed under the CERN Open Hardware License v1.2
$Comp
L XTAL Y1
U 1 1 551A68F9
P 4600 8850
F 0 "Y1" V 4750 8800 60 0000 C CNN
F 1 "XTAL" V 4600 8850 60 0000 C CNN
F 2 "~" H 4600 8850 60 0000 C CNN
F 3 "~" H 4600 8850 60 0000 C CNN
F 4 "24MHz" H 4600 9000 60 0000 C CNN "FREQ"
1 4600 8850
0 -1 -1 0
$EndComp
$Comp
L C C3
U 1 1 551A6BCD
P 4100 8800
F 0 "C3" H 4100 8900 40 0000 L CNN
F 1 "33p" H 4106 8715 40 0000 L CNN
F 2 "~" H 4138 8650 30 0000 C CNN
F 3 "~" H 4100 8800 60 0000 C CNN
1 4100 8800
1 0 0 -1
$EndComp
$Comp
L C C4
U 1 1 551A6BDA
P 4100 9300
F 0 "C4" H 4100 9400 40 0000 L CNN
F 1 "33p" H 4106 9215 40 0000 L CNN
F 2 "~" H 4138 9150 30 0000 C CNN
F 3 "~" H 4100 9300 60 0000 C CNN
1 4100 9300
1 0 0 -1
$EndComp
$Comp
L GND #PWR030
U 1 1 551A7033
P 3850 9150
F 0 "#PWR030" H 3850 9150 30 0001 C CNN
F 1 "GND" H 3850 9080 30 0001 C CNN
F 2 "" H 3850 9150 60 0000 C CNN
F 3 "" H 3850 9150 60 0000 C CNN
1 3850 9150
1 0 0 -1
$EndComp
$Comp
L MIC2026-1YM U4
U 1 1 551A727A
P 9000 1600
F 0 "U4" H 9000 1950 60 0000 C CNN
F 1 "MIC2026-1YM" H 9000 1350 60 0000 C CNN
F 2 "~" H 8900 1600 60 0000 C CNN
F 3 "~" H 8900 1600 60 0000 C CNN
1 9000 1600
1 0 0 -1
$EndComp
$Comp
L MIC2026-1YM U5
U 1 1 551A7287
P 9000 2350
F 0 "U5" H 9000 2700 60 0000 C CNN
F 1 "MIC2026-1YM" H 9000 2100 60 0000 C CNN
F 2 "~" H 8900 2350 60 0000 C CNN
F 3 "~" H 8900 2350 60 0000 C CNN
1 9000 2350
1 0 0 -1
$EndComp
$Comp
L R R19
U 1 1 551A739B
P 4750 6300
F 0 "R19" V 4830 6300 40 0000 C CNN
F 1 "10K" V 4757 6301 40 0000 C CNN
F 2 "~" V 4680 6300 30 0000 C CNN
F 3 "~" H 4750 6300 30 0000 C CNN
1 4750 6300
1 0 0 -1
$EndComp
$Comp
L +3.3V #PWR031
U 1 1 551A73AA
P 4750 6000
F 0 "#PWR031" H 4750 5960 30 0001 C CNN
F 1 "+3.3V" H 4750 6110 30 0000 C CNN
F 2 "" H 4750 6000 60 0000 C CNN
F 3 "" H 4750 6000 60 0000 C CNN
1 4750 6000
1 0 0 -1
$EndComp
$Comp
L C C5
U 1 1 551A770E
P 4750 6850
F 0 "C5" H 4750 6950 40 0000 L CNN
F 1 "1U" H 4756 6765 40 0000 L CNN
F 2 "~" H 4788 6700 30 0000 C CNN
F 3 "~" H 4750 6850 60 0000 C CNN
1 4750 6850
1 0 0 -1
$EndComp
$Comp
L GND #PWR032
U 1 1 551A771D
P 4750 7100
F 0 "#PWR032" H 4750 7100 30 0001 C CNN
F 1 "GND" H 4750 7030 30 0001 C CNN
F 2 "" H 4750 7100 60 0000 C CNN
F 3 "" H 4750 7100 60 0000 C CNN
1 4750 7100
1 0 0 -1
$EndComp
$Comp
L R R17
U 1 1 551A7973
P 4350 7000
F 0 "R17" V 4430 7000 40 0000 C CNN
F 1 "10K" V 4357 7001 40 0000 C CNN
F 2 "~" V 4280 7000 30 0000 C CNN
F 3 "~" H 4350 7000 30 0000 C CNN
1 4350 7000
1 0 0 -1
$EndComp
$Comp
L +3.3V #PWR033
U 1 1 551A7982
P 4350 6700
F 0 "#PWR033" H 4350 6660 30 0001 C CNN
F 1 "+3.3V" H 4350 6810 30 0000 C CNN
F 2 "" H 4350 6700 60 0000 C CNN
F 3 "" H 4350 6700 60 0000 C CNN
1 4350 6700
1 0 0 -1
$EndComp
Text Label 9900 1600 2 60 ~ 0
~OCS1
Text Label 9900 1700 2 60 ~ 0
~OCS2
Text Label 9900 2350 2 60 ~ 0
~OCS3
Text Label 9900 2450 2 60 ~ 0
~OCS4
Text Label 5000 3550 0 60 ~ 0
~OCS1
Text Label 5000 4250 0 60 ~ 0
~OCS2
Text Label 5000 4900 0 60 ~ 0
~OCS3
Text Label 5000 5550 0 60 ~ 0
~OCS4
$Comp
L GND #PWR034
U 1 1 551A8A85
P 10750 2600
F 0 "#PWR034" H 10750 2600 30 0001 C CNN
F 1 "GND" H 10750 2530 30 0001 C CNN
F 2 "" H 10750 2600 60 0000 C CNN
F 3 "" H 10750 2600 60 0000 C CNN
1 10750 2600
1 0 0 -1
$EndComp
$Comp
L GND #PWR035
U 1 1 551A8A92
P 10100 2700
F 0 "#PWR035" H 10100 2700 30 0001 C CNN
F 1 "GND" H 10100 2630 30 0001 C CNN
F 2 "" H 10100 2700 60 0000 C CNN
F 3 "" H 10100 2700 60 0000 C CNN
1 10100 2700
1 0 0 -1
$EndComp
$Comp
L GND #PWR036