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path: root/hw/charger.sch
blob: a4a766efb3c58f2c886b05b5143f7d8c2476cada (plain)
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EESchema Schematic File Version 2
LIBS:neo900
LIBS:powered
LIBS:bme280
LIBS:bmx055
LIBS:slg46531
LIBS:tmd2671
LIBS:gencon
LIBS:msl0104rgb
LIBS:nmosfet-gsd
LIBS:74x1g123
LIBS:74x1g74_6d
LIBS:74x2g07_6
LIBS:74x1g32_6
LIBS:fsa2866
LIBS:74x1g04_6
LIBS:101-00271-82
LIBS:lsf204rut
LIBS:txs4555rut
LIBS:ada4505-1acbz
LIBS:opt-mini-rf-tap
LIBS:tlv3691idpf
LIBS:tps61160drv
LIBS:dualbjt
LIBS:wl1837mod
LIBS:phs8-clean
LIBS:tsa5a22366
LIBS:xra1201
LIBS:pmosfet-gsd
LIBS:bb-xm-aux
LIBS:bb-xm-audio
LIBS:dualnmosfet
LIBS:xo-quad-en
LIBS:74x4051
LIBS:fuse
LIBS:two-way-jumper
LIBS:nx3v1g66_6
LIBS:dualpmosfet
LIBS:diode-3
LIBS:sp7538p
LIBS:r-array-8-2com
LIBS:slg46533v
EELAYER 26 0
EELAYER END
$Descr A3 16535 11693
encoding utf-8
Sheet 2 25
Title "Charger/OTG"
Date "Intentionally Left Blank"
Rev ""
Comp ""
Comment1 "LOWER"
Comment2 ""
Comment3 ""
Comment4 "Xsheetnumber=2"
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$Comp
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F 1 "47n" H 10950 2950 50  0000 L CNN
F 2 "NeoFeet:C_0402" H 10930 3250 20  0001 C CNN
F 3 "" H 10900 3100 60  0001 C CNN
F 4 "MF-CAP-0402-47nF" H 10  10  60  0001 C CNN "MPN"
	1    10900 3100
	1    0    0    -1  
$EndComp
$Comp
L C0603 C204
U 1 1 578B0D19
P 8200 3300
F 0 "C204" V 8350 3150 50  0000 L CNN
F 1 "4.7u;10V" V 8050 3100 50  0000 L CNN
F 2 "NeoFeet:C_0603" H 8230 3450 20  0001 C CNN
F 3 "" H 8200 3300 60  0001 C CNN
F 4 "MF-CAP-0603-4.7u;10V" H 10  10  60  0001 C CNN "MPN"
	1    8200 3300
	0    -1   -1   0   
$EndComp
$Comp
L C0603 C205
U 1 1 578B0DE1
P 8700 3300
F 0 "C205" V 8850 3150 50  0000 L CNN
F 1 "8.2u;10V" V 8550 3100 50  0000 L CNN
F 2 "NeoFeet:C_0603" H 8730 3450 20  0001 C CNN
F 3 "" H 8700 3300 60  0001 C CNN
F 4 "MF-CAP-0603-8.2u;10V" H 10  10  60  0001 C CNN "MPN"
	1    8700 3300
	0    -1   -1   0   
$EndComp
$Comp
L C0603 C208
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F 0 "C208" H 12490 3340 50  0000 L CNN
F 1 "10u" H 12500 3150 50  0000 L CNN
F 2 "NeoFeet:C_0603" H 12480 3450 20  0001 C CNN
F 3 "" H 12450 3300 60  0001 C CNN
F 4 "MF-CAP-0603-10uF" H 10  10  60  0001 C CNN "MPN"
	1    12450 3300
	1    0    0    -1  
$EndComp
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L C0603 C207
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F 0 "C207" H 11040 4840 50  0000 L CNN
F 1 "4.7uF" H 11050 4650 50  0000 L CNN
F 2 "NeoFeet:C_0603" H 11030 4950 20  0001 C CNN
F 3 "" H 11000 4800 60  0001 C CNN
F 4 "MF-CAP-0603-4.7uF" H 10  10  60  0001 C CNN "MPN"
	1    11000 4800
	1    0    0    -1  
$EndComp
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F 1 "MAMK2520T1R0M" V 11630 2851 50  0000 L BNN
F 2 "stdpass:1008" H 11490 2790 65  0001 L TNN
F 3 "" H 11500 3000 60  0001 C CNN
F 4 "1u;2.25A" V 11700 2850 50  0000 L CNN "Field4"
	1    11500 3000
	0    1    1    0   
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U 1 1 578B1166
P 8750 4200
F 0 "R202" H 8620 4260 50  0000 L BNN
F 1 "317" H 8750 4200 50  0000 C CNN
F 2 "NeoFeet:R_0402" H 8780 4350 20  0001 C CNN
F 3 "" H 8750 4200 60  0001 C CNN
F 4 "MF-RES-0402-317" H 10  10  60  0001 C CNN "MPN"
	1    8750 4200
	1    0    0    -1  
$EndComp
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L R0402 R203
U 1 1 578B122E
P 11400 4950
F 0 "R203" H 11270 5010 50  0000 L BNN
F 1 "5.23k" H 11400 4950 50  0000 C CNN
F 2 "NeoFeet:R_0402" H 11430 5100 20  0001 C CNN
F 3 "" H 11400 4950 60  0001 C CNN
F 4 "MF-RES-0402-5.23k" H 10  10  60  0001 C CNN "MPN"
	1    11400 4950
	0    -1   -1   0   
$EndComp
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L R0402 R204
U 1 1 578B12F6
P 11500 5600
F 0 "R204" H 11370 5660 50  0000 L BNN
F 1 "30.9k" H 11500 5600 50  0000 C CNN
F 2 "NeoFeet:R_0402" H 11530 5750 20  0001 C CNN
F 3 "" H 11500 5600 60  0001 C CNN
F 4 "MF-RES-0402-30.9k" H 10  10  60  0001 C CNN "MPN"
	1    11500 5600
	0    -1   -1   0   
$EndComp
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L GND #U$01
U 1 1 578B135A
P 8500 5800
F 0 "#U$01" H 8410 5700 70  0001 L BNN
F 1 "GND" H 8410 5700 70  0001 L BNN
F 2 "" H 8500 5800 60  0001 C CNN
F 3 "" H 8500 5800 60  0001 C CNN
	1    8500 5800
	1    0    0    -1  
$EndComp
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L GND #U$02
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P 9800 5800
F 0 "#U$02" H 9710 5700 70  0001 L BNN
F 1 "GND" H 9710 5700 70  0001 L BNN
F 2 "" H 9800 5800 60  0001 C CNN
F 3 "" H 9800 5800 60  0001 C CNN
	1    9800 5800
	1    0    0    -1  
$EndComp
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F 0 "#U$03" H 10810 3600 70  0001 L BNN
F 1 "GND" H 10810 3600 70  0001 L BNN
F 2 "" H 10900 3700 60  0001 C CNN
F 3 "" H 10900 3700 60  0001 C CNN
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P 11000 5100
F 0 "#U$04" H 10910 5000 70  0001 L BNN
F 1 "GND" H 10910 5000 70  0001 L BNN
F 2 "" H 11000 5100 60  0001 C CNN
F 3 "" H 11000 5100 60  0001 C CNN
	1    11000 5100
	1    0    0    -1  
$EndComp
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U 1 1 578B14EA
P 11500 5950
F 0 "#U$05" H 11410 5850 70  0001 L BNN
F 1 "GND" H 11410 5850 70  0001 L BNN
F 2 "" H 11500 5950 60  0001 C CNN
F 3 "" H 11500 5950 60  0001 C CNN
	1    11500 5950
	1    0    0    -1  
$EndComp
$Comp
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U 1 1 578B154E
P 12450 3700
F 0 "#U$06" H 12360 3600 70  0001 L BNN
F 1 "GND" H 12360 3600 70  0001 L BNN
F 2 "" H 12450 3700 60  0001 C CNN
F 3 "" H 12450 3700 60  0001 C CNN
	1    12450 3700
	1    0    0    -1  
$EndComp
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U 1 1 578B167A
P 9900 4000
F 0 "U203" H 9200 5150 50  0000 L CNN
F 1 "BQ24297RGE" H 9850 3700 50  0000 C CNN
F 2 "neo900-legacy:S-PVQFN-N24-0.5" H 9890 3790 65  0001 L TNN
F 3 "" H 9900 4000 60  0001 C CNN
	1    9900 4000
	1    0    0    -1  
$EndComp
Wire Wire Line
	10700 4300 10700 4200
Wire Wire Line
	10700 4200 11100 4200
Connection ~ 10700 4200
Wire Wire Line
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Connection ~ 11400 5300
Wire Wire Line
	9000 4000 7900 4000
Wire Wire Line
	8400 3300 8600 3300
Wire Wire Line
	8500 3300 8500 5700
Connection ~ 8500 3300
Connection ~ 8500 4200
Wire Wire Line
	9800 5700 9800 5600
Wire Wire Line
	10700 3600 10700 3500
Wire Wire Line
	10700 3600 10900 3600
Connection ~ 10700 3600
Wire Wire Line
	12450 3500 12450 3600
Wire Wire Line
	9000 4700 7900 4700
Wire Wire Line
	9000 4500 7900 4500
Wire Wire Line
	9000 4900 7900 4900
Wire Wire Line
	9000 3300 8900 3300
Wire Wire Line
	10700 4900 10800 4900
Wire Wire Line
	10800 4900 10800 4650
Wire Wire Line
	10800 4650 11400 4650
Connection ~ 11000 4650
Wire Wire Line
	10700 3100 10700 3000
Wire Wire Line
	10700 3000 11300 3000
Connection ~ 10700 3000
Connection ~ 10900 3000
Wire Wire Line
	9000 5100 7900 5100
Wire Wire Line
	10700 3300 10900 3300
Wire Wire Line
	6600 3500 9000 3500
Wire Wire Line
	6500 3700 9000 3700
Wire Wire Line
	9000 3000 9000 3100
Wire Wire Line
	6700 3000 9000 3000
Connection ~ 9000 3000
Connection ~ 8050 3000
Wire Wire Line
	10700 4000 10700 3900
Wire Wire Line
	10700 3900 12100 3900
Wire Wire Line
	12450 3000 12450 3200
Wire Wire Line
	11700 3000 13050 3000
Connection ~ 10700 3900
Connection ~ 12450 3000
Text GLabel 7900 4500 0    60   BiDi ~ 0
I2C3_SDA
Text GLabel 7900 4700 0    60   Input ~ 0
I2C3_SCL
Text GLabel 7900 4000 0    60   Output ~ 0
CHG_IND
Text GLabel 13050 3000 2    60   Output ~ 0
VSYS
Text GLabel 11100 4200 2    60   BiDi ~ 0
BATT
Text GLabel 11700 5300 2    60   Input ~ 0
BATTEMP_CHARGER
NoConn ~ 10700 4500
Wire Wire Line
	11500 5400 11500 5300
Connection ~ 11500 5300
Wire Wire Line
	11400 5300 11400 5150
Wire Wire Line
	11400 4650 11400 4750
Text GLabel 7900 5100 0    60   Input ~ 0
CHG_OTG
Text GLabel 7900 4900 0    60   Output ~ 0
CHG_INT
Text Notes 7350 5150 2    60   ~ 0
100/500 mA selection
$Comp
L GND #U$07
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F 0 "#U$07" H 8810 5700 70  0001 L BNN
F 1 "GND" H 8810 5700 70  0001 L BNN
F 2 "" H 8900 5800 60  0001 C CNN
F 3 "" H 8900 5800 60  0001 C CNN
	1    8900 5800
	1    0    0    -1  
$EndComp
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
	11500 5800 11500 5850
Wire Wire Line
	9000 4200 8950 4200
Wire Wire Line
	8550 4200 8500 4200
Wire Wire Line
	12100 3900 12100 3000
Connection ~ 12100 3000
Wire Wire Line
	8050 3000 8050 3300
Wire Wire Line
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$Comp
L R0402 R?
U 1 1 57F9F4FD
P 6700 8300
AR Path="/578AFEF6/57F9F4FD" Ref="R?"  Part="1" 
AR Path="/578AFEF4/57F9F4FD" Ref="R201"  Part="1" 
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F 1 "(0)" H 6700 8300 50  0000 C CNN
F 2 "NeoFeet:R_0402" H 6730 8450 20  0001 C CNN
F 3 "" H 6700 8300 60  0001 C CNN
F 4 "MF-RES-0402-(0)" H 10  10  60  0001 C CNN "MPN"
	1    6700 8300
	1    0    0    -1  
$EndComp
$Comp
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U 1 1 57F9F504
P 7300 9750
AR Path="/578AFEF6/57F9F504" Ref="#U$?"  Part="1" 
AR Path="/578AFEF4/57F9F504" Ref="#U$08"  Part="1" 
F 0 "#U$08" H 7210 9650 70  0001 L BNN
F 1 "GND" H 7210 9650 70  0001 L BNN
F 2 "" H 7300 9750 60  0001 C CNN
F 3 "" H 7300 9750 60  0001 C CNN
	1    7300 9750
	1    0    0    -1  
$EndComp
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L TPS22964CYZP U?
U 1 1 57F9F50A
P 6700 8800
AR Path="/578AFEF6/57F9F50A" Ref="U?"  Part="1" 
AR Path="/578AFEF4/57F9F50A" Ref="U202"  Part="1" 
F 0 "U202" H 6400 9150 50  0000 L CNN
F 1 "TPS22963CYZP" H 6700 8450 50  0000 C CNN
F 2 "neo900-legacy:R-XBGA-N6-0.5" H 6730 8950 20  0001 C CNN
F 3 "" H 6700 8800 60  0001 C CNN
	1    6700 8800
	1    0    0    -1  
$EndComp
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
	7600 8300 7600 9200
Connection ~ 7600 8600
Connection ~ 7600 8300
Wire Wire Line
	5900 8300 6500 8300
Wire Wire Line
	6100 8300 6100 9200
Connection ~ 6100 8300
Connection ~ 6100 8600
Text GLabel 5900 8300 0    60   Input ~ 0
VSYS
Text GLabel 5900 9000 0    60   Input ~ 0
1V8
Text GLabel 7800 8300 2    60   Output ~ 0
VBAT_SWITCHED
Wire Wire Line
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Wire Wire Line
	6100 8800 6200 8800
Wire Wire Line
	7200 8600 7600 8600
Wire Wire Line
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Wire Wire Line
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$Comp
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U 1 1 580838E8
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F 3 "" H 6100 9300 60  0001 C CNN
F 4 "MF-CAP-0402-1uF" H 10  10  60  0001 C CNN "MPN"
	1    6100 9300
	1    0    0    -1  
$EndComp
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U 1 1 58083C29
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F 1 "100n" H 7650 9150 50  0000 L CNN
F 2 "NeoFeet:C_0402" H 7630 9450 20  0001 C CNN
F 3 "" H 7600 9300 60  0001 C CNN
F 4 "MF-CAP-0402-100nF" H 10  10  60  0001 C CNN "MPN"
	1    7600 9300
	1    0    0    -1  
$EndComp
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AR Path="/578AFEF4/58083FF0" Ref="#U$09"  Part="1" 
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F 3 "" H 6100 9700 60  0001 C CNN
	1    6100 9700
	1    0    0    -1  
$EndComp
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P 7600 9750
AR Path="/578AFEF6/58084025" Ref="#U$?"  Part="1" 
AR Path="/578AFEF4/58084025" Ref="#U$010"  Part="1" 
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F 1 "GND" H 7510 9650 70  0001 L BNN
F 2 "" H 7600 9750 60  0001 C CNN
F 3 "" H 7600 9750 60  0001 C CNN
	1    7600 9750
	1    0    0    -1  
$EndComp
Connection ~ 7600 8800
Wire Wire Line
	7600 9500 7600 9650
Connection ~ 6100 8800
Wire Wire Line
	6100 9500 6100 9600
$Comp
L GND #U$?
U 1 1 580AB1B1
P 12000 9400
AR Path="/578AFEF6/580AB1B1" Ref="#U$?"  Part="1" 
AR Path="/578AFEF4/580AB1B1" Ref="#U$011"  Part="1" 
F 0 "#U$011" H 11910 9300 70  0001 L BNN
F 1 "GND" H 11910 9300 70  0001 L BNN
F 2 "" H 12000 9400 60  0001 C CNN
F 3 "" H 12000 9400 60  0001 C CNN
	1    12000 9400
	1    0    0    -1  
$EndComp
$Comp
L POWERED #FLG012
U 1 1 580AB2BA
P 12000 9000
F 0 "#FLG012" H 12200 8900 60  0001 C CNN
F 1 "POWERED" H 12000 9050 60  0000 C CNN
F 2 "" H 12000 9000 60  0001 C CNN
F 3 "" H 12000 9000 60  0001 C CNN
	1    12000 9000
	1    0    0    -1  
$EndComp
Wire Wire Line
	12000 9200 12000 9300
$Comp
L POWERED #FLG013
U 1 1 580AD2FC
P 12000 8200
F 0 "#FLG013" H 12200 8100 60  0001 C CNN
F 1 "POWERED" H 12000 8250 60  0000 C CNN
F 2 "" H 12000 8200 60  0001 C CNN
F 3 "" H 12000 8200 60  0001 C CNN
	1    12000 8200
	1    0    0    -1  
$EndComp
Text GLabel 12150 8600 2    60   Output ~ 0
1V8
Wire Wire Line
	12000 8400 12000 8600
Wire Wire Line
	12000 8600 12150 8600
$Comp
L POWERED #FLG014
U 1 1 580AE65E
P 12700 9000
F 0 "#FLG014" H 12900 8900 60  0001 C CNN
F 1 "POWERED" H 12700 9050 60  0000 C CNN
F 2 "" H 12700 9000 60  0001 C CNN
F 3 "" H 12700 9000 60  0001 C CNN
	1    12700 9000
	1    0    0    -1  
$EndComp
Wire Wire Line
	12700 9200 12700 9300
$Comp
L POWERED #FLG015
U 1 1 580AF534
P 12700 8200
F 0 "#FLG015" H 12900 8100 60  0001 C CNN
F 1 "POWERED" H 12700 8250 60  0000 C CNN
F 2 "" H 12700 8200 60  0001 C CNN
F 3 "" H 12700 8200 60  0001 C CNN
	1    12700 8200
	1    0    0    -1  
$EndComp
Text GLabel 12850 8600 2    60   Output ~ 0
1V8_U
Wire Wire Line
	12700 8400 12700 8600
Wire Wire Line
	12700 8600 12850 8600
$Comp
L POWERED #FLG016
U 1 1 580AF775
P 12000 7400
F 0 "#FLG016" H 12200 7300 60  0001 C CNN
F 1 "POWERED" H 12000 7450 60  0000 C CNN
F 2 "" H 12000 7400 60  0001 C CNN
F 3 "" H 12000 7400 60  0001 C CNN
	1    12000 7400
	1    0    0    -1  
$EndComp
Text GLabel 12150 7800 2    60   Output ~ 0
2V7
Wire Wire Line
	12000 7600 12000 7800
Wire Wire Line
	12000 7800 12150 7800
$Comp
L POWERED #FLG017
U 1 1 580AF77E
P 12700 7400
F 0 "#FLG017" H 12900 7300 60  0001 C CNN
F 1 "POWERED" H 12700 7450 60  0000 C CNN
F 2 "" H 12700 7400 60  0001 C CNN
F 3 "" H 12700 7400 60  0001 C CNN
	1    12700 7400
	1    0    0    -1  
$EndComp
Text GLabel 12850 7800 2    60   Output ~ 0
2V7_U
Wire Wire Line
	12700 7600 12700 7800
Wire Wire Line
	12700 7800 12850 7800
$Comp
L POWERED #FLG018
U 1 1 580B0C2C
P 13400 9000
F 0 "#FLG018" H 13600 8900 60  0001 C CNN
F 1 "POWERED" H 13400 9050 60  0000 C CNN
F 2 "" H 13400 9000 60  0001 C CNN
F 3 "" H 13400 9000 60  0001 C CNN
	1    13400 9000
	1    0    0    -1  
$EndComp
Wire Wire Line
	13400 9200 13400 9300
$Comp
L GND-3 #M019
U 1 1 580B0C33
P 13400 9400
F 0 "#M019" H 13400 9400 45  0001 C CNN
F 1 "GND-3" H 13400 9400 45  0001 C CNN
F 2 "" H 13400 9400 60  0001 C CNN
F 3 "" H 13400 9400 60  0001 C CNN
	1    13400 9400
	1    0    0    -1  
$EndComp
$Comp
L GND-2 #M020
U 1 1 580B0C66
P 12700 9400
F 0 "#M020" H 12700 9400 45  0001 C CNN
F 1 "GND-2" H 12700 9400 45  0001 C CNN
F 2 "" H 12700 9400 60  0001 C CNN
F 3 "" H 12700 9400 60  0001 C CNN
	1    12700 9400
	1    0    0    -1  
$EndComp
$Comp
L POWERED #FLG021
U 1 1 580B2986
P 13900 7400
F 0 "#FLG021" H 14100 7300 60  0001 C CNN
F 1 "POWERED" H 13900 7450 60  0000 C CNN
F 2 "" H 13900 7400 60  0001 C CNN
F 3 "" H 13900 7400 60  0001 C CNN
	1    13900 7400
	1    0    0    -1  
$EndComp
Wire Wire Line
	13900 7600 13900 7800
Wire Wire Line
	13900 7800 14050 7800
Text GLabel 14050 7800 2    60   Output ~ 0
VBAT_SWITCHED_U
$Comp
L POWERED #FLG022
U 1 1 580B2C23
P 14100 9000
F 0 "#FLG022" H 14300 8900 60  0001 C CNN
F 1 "POWERED" H 14100 9050 60  0000 C CNN
F 2 "" H 14100 9000 60  0001 C CNN
F 3 "" H 14100 9000 60  0001 C CNN
	1    14100 9000
	1    0    0    -1  
$EndComp
Wire Wire Line
	14100 9200 14100 9300
$Comp
L GND-4 #M023
U 1 1 580B2C87
P 14100 9400
F 0 "#M023" H 14100 9400 45  0001 C CNN
F 1 "GND-4" H 14100 9400 45  0001 C CNN
F 2 "" H 14100 9400 60  0001 C CNN
F 3 "" H 14100 9400 60  0001 C CNN
	1    14100 9400
	1    0    0    -1  
$EndComp
Text Notes 12200 6800 0    120  ~ 0
KiCad bureaucracy
Text Notes 8600 2400 0    120  ~ 0
Battery charger with USB OTG
Text Notes 5300 7300 0    120  ~ 0
Power distribution and sequencing
Text Notes 5300 7600 0    60   ~ 0
Most high-current consumers are on VBAT_SWITCHED.\n1V8 signals that the regulators on UPPER are operational.
$Comp
L C0402 C?
U 1 1 5828FC2E
P 4000 3500
AR Path="/578AFEF2/5828FC2E" Ref="C?"  Part="1" 
AR Path="/578AFEF4/5828FC2E" Ref="C201"  Part="1" 
F 0 "C201" H 4040 3540 50  0000 L CNN
F 1 "2.2u;10V" H 4040 3370 50  0000 L CNN
F 2 "NeoFeet:C_0402" H 4030 3650 20  0001 C CNN
F 3 "" H 4000 3500 60  0001 C CNN
F 4 "MF-CAP-0402-2.2u;10V" H 10  10  60  0001 C CNN "MPN"
	1    4000 3500
	1    0    0    -1  
$EndComp
$Comp
L GND #U$?
U 1 1 5828FC35
P 2750 3150
AR Path="/578AFEF2/5828FC35" Ref="#U$?"  Part="1" 
AR Path="/578AFEF4/5828FC35" Ref="#U$024"  Part="1" 
F 0 "#U$024" H 2660 3050 70  0001 L BNN
F 1 "GND" H 2660 3050 70  0001 L BNN
F 2 "" H 2750 3150 60  0001 C CNN
F 3 "" H 2750 3150 60  0001 C CNN
	1    2750 3150
	1    0    0    -1  
$EndComp
$Comp
L GND #U$?
U 1 1 5828FC3B
P 3700 4400
AR Path="/578AFEF2/5828FC3B" Ref="#U$?"  Part="1" 
AR Path="/578AFEF4/5828FC3B" Ref="#U$025"  Part="1" 
F 0 "#U$025" H 3610 4300 70  0001 L BNN
F 1 "GND" H 3610 4300 70  0001 L BNN
F 2 "" H 3700 4400 60  0001 C CNN
F 3 "" H 3700 4400 60  0001 C CNN
	1    3700 4400
	1    0    0    -1  
$EndComp
$Comp
L GND #U$?
U 1 1 5828FC41
P 4000 4400
AR Path="/578AFEF2/5828FC41" Ref="#U$?"  Part="1" 
AR Path="/578AFEF4/5828FC41" Ref="#U$026"  Part="1" 
F 0 "#U$026" H 3910 4300 70  0001 L BNN
F 1 "GND" H 3910 4300 70  0001 L BNN
F 2 "" H 4000 4400 60  0001 C CNN
F 3 "" H 4000 4400 60  0001 C CNN
	1    4000 4400
	1    0    0    -1  
$EndComp
$Comp
L GND #U$?
U 1 1 5828FC47
P 4400 4400
AR Path="/578AFEF2/5828FC47" Ref="#U$?"  Part="1" 
AR Path="/578AFEF4/5828FC47" Ref="#U$027"  Part="1" 
F 0 "#U$027" H 4310 4300 70  0001 L BNN
F 1 "GND" H 4310 4300 70  0001 L BNN
F 2 "" H 4400 4400 60  0001 C CNN
F 3 "" H 4400 4400 60  0001 C CNN
	1    4400 4400
	1    0    0    -1  
$EndComp
$Comp
L IP4220CZ6 U?
U 1 1 5828FC4D
P 5100 3900
AR Path="/5828FC4D" Ref="U?"  Part="1" 
AR Path="/578AFEF2/5828FC4D" Ref="U?"  Part="1" 
AR Path="/578AFEF4/5828FC4D" Ref="U201"  Part="1" 
F 0 "U201" H 4550 4350 45  0000 L CNN
F 1 "IP4220CZ6" H 5100 3650 45  0000 C CNN
F 2 "neo900-legacy:SOT457-6" H 5130 4050 20  0001 C CNN
F 3 "" H 5100 3900 60  0001 C CNN
	1    5100 3900
	1    0    0    -1  
$EndComp
Wire Wire Line
	4400 3800 4400 4300
Wire Wire Line
	4000 3700 4000 4300
Wire Wire Line
	5000 3300 5000 2800
Wire Wire Line
	5200 3300 5200 2600
Wire Wire Line
	4800 3300 4800 3000
Wire Wire Line
	4000 2400 4000 3400
Wire Wire Line
	5400 2400 5400 3300
Text GLabel 7000 2400 2    60   Output ~ 0
VBUS
Text GLabel 7000 2600 2    60   BiDi ~ 0
OTG_DM
Text GLabel 7000 2800 2    60   BiDi ~ 0
OTG_DP
Text GLabel 5700 3000 2    60   Output ~ 0
OTG_ID
Wire Wire Line
	3700 3200 3700 4300
$Comp
L USB-AB-47590-0001 P?
U 1 1 5828FC6D
P 2900 2850
AR Path="/578AFEF2/5828FC6D" Ref="P?"  Part="1" 
AR Path="/578AFEF4/5828FC6D" Ref="P201"  Part="1" 
F 0 "P201" H 2900 3400 50  0000 R BNN
F 1 "USB-AB-47590-0001" V 2650 2600 50  0000 L BNN
F 2 "NeoFeet:USB_475900001" H 2890 2640 65  0001 L TNN
F 3 "" H 2900 2850 60  0001 C CNN
	1    2900 2850
	1    0    0    -1  
$EndComp
NoConn ~ 5800 3800
$Comp
L POWERED #FLG028
U 1 1 5828FC75
P 5700 2100
F 0 "#FLG028" H 5900 2000 60  0001 C CNN
F 1 "POWERED" H 5700 2150 60  0000 C CNN
F 2 "" H 5700 2100 60  0001 C CNN
F 3 "" H 5700 2100 60  0001 C CNN
	1    5700 2100
	1    0    0    -1  
$EndComp
Text Notes 3550 1700 0    120  ~ 0
USB OTG connector
Wire Wire Line
	3300 3200 3700 3200
Wire Wire Line
	3300 2400 7000 2400
Wire Wire Line
	3400 3000 5700 3000
Connection ~ 4800 3000
Connection ~ 4000 2400
Connection ~ 5400 2400
Wire Wire Line
	3600 2600 7000 2600
Connection ~ 5200 2600
Wire Wire Line
	3500 2800 7000 2800
Connection ~ 5000 2800
Wire Wire Line
	6700 2400 6700 3000
Connection ~ 6700 2400
Wire Wire Line
	6600 2800 6600 3500
Connection ~ 6600 2800
Wire Wire Line
	6500 2600 6500 3700
Connection ~ 6500 2600
Wire Wire Line
	5700 2300 5700 2400
Connection ~ 5700 2400
Text Notes 11650 5050 0    120  ~ 24
TODO: check/recalculate R203/R204 values
Text Notes 11650 2800 0    60   ~ 0
Taiyo Yuden MAMK2520T1R0M (3.1 A, 59 mOhm, 1.2 mm)\nTaiyo Yuden MAKK2520T1R0M (2.7 A, 72 mOhm, 1.0 mm)\netc.
Wire Wire Line
	3600 2600 3600 2500
Wire Wire Line
	3600 2500 3300 2500
Wire Wire Line
	3500 2800 3500 2600
Wire Wire Line
	3500 2600 3300 2600
Wire Wire Line
	3400 3000 3400 2700
Wire Wire Line
	3400 2700 3300 2700
Wire Wire Line
	3300 3200 3300 2800
$EndSCHEMATC