Microchip Technology EVB-USB7206, Руководство пользователя, Страница: 25 / 38

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FIGURE A-4: EVB-USB7206 USB A PORTS AND POWER SWITCH
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2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
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EVB-USB7206
9/12/2019 3:28:15 PM
11048_5-DSP3-DSP4.SchDoc
Project Title
Sch #: Date:
File:
Revision: Sheet
Designed with
Drawn By:
Connor Chilton
Sheet Title
Donwstream Ports 3 and 4
Engineer:
Connor Chilton
03-11048
1.0 Size
Tabloid
UNG-8190
PartNumber: Variant: [No Variations]
Altium.com
Donwstream Ports 3 and 4
UCS2114 Power Switch For Port3 and Port4
3V3
10k
R79
0R
R74
0R
R75
47uF
C91
47uF C92
5V
47uF
C94
47uF C95
3.2A Limit
PF14 3
VBUS4
3V3 VBUS3 VBUS4
EARTH_P3 EARTH_P4
5V
VBUS3
VBUS3
0R R66
PF15 3
33k
1%
R73
0.1uF C93
VBUS4
PWR_EN1
1
GND
2
COMM_ILIM
3
VBUS1
4
VBUS1
5
VS
2
10
VS
2
9
VDD
8
VS
1
7
VS
1
6
VBUS2
12
VBUS2
11
BOOST
13
GND
14
PWR_EN2
15
ALERT2
16
GND
17
SM
D
A
TA
18
SM
CLK
19
ALERT1
20
PWR_EN1
G
N
D
COMM_ILIM
VBUS1
VBUS1
V
S
2
V
S
2
V
D
D
V
S
1
V
S
1
VBUS2
VBUS2
BOOST
G
N
D
PWR_EN2
ALERT2
G
N
D
S
M
D
A
T
A
S
M
C
L
K
ALERT1
UCS2114
U15
VBUS
1
SSRX-
5
D-
2
D+
3
VBUS
SSRX-
D-
D+
Shield
0
SSRX+
6
GND_D
7
SSTX-
8
SSTX+
9
GND
4
USB3.0 STD-A FEMALE
J22
330R
R84
PORT3
USB3.1(Type-A) Downstream Port 3
EARTH_P3 "PORT3 VBUS"
1k
DNP
R78
1k
R86
VBUS3
D13
TP13
C_DS3_USB3_TX_N
C_DS3_USB3_TX_P
USB3 polarity may
be swapped to
improve layout
Layout:
3V3
3V3
VBUS3
47uF
C82
2 4
VCC
5
GND
3
VCC
GND
C
D
C
D
U16
74LVC1G14GW,125
3V3
0.1uF
C88
0.1uF C78
0.1uF C79
0.1uF
C96
VBUS
1
SSRX-
5
D-
2
D+
3
VBUS
SSRX-
D-
D+
Shield
0
SSRX+
6
GND_D
7
SSTX-
8
SSTX+
9
GND
4
USB3.0 STD-A FEMALE
J23
330R R85
PORT4
USB3.1(Type-A) Downstream Port 4
EARTH_P4 "PORT4 VBUS"
1k
DNP
R80
1k
R87
VBUS4
D14
TP14
C_DS4_USB3_TX_N
C_DS4_USB3_TX_P
USB3 polarity may
be swapped to
improve layout
Layout:
3V3
3V3
VBUS4
47uF
C83
2 4
VCC
5
GND
3
VCC
GND
C C
D
U17
74LVC1G14GW,125
3V3
0.1uF C89
0.1uF
C80
0.1uF
C81
0.1uF
C97
0R R71
DS3_USB2_D_N 3
DS3_USB2_D_P 3
DS3_USB3_TX_P 3
DS3_USB3_TX_N 3
DS3_USB3_RX_P 3
DS3_USB3_RX_N 3
DS4_USB2_D_N 3
DS4_USB2_D_P 3
DS4_USB3_TX_P 3
DS4_USB3_TX_N 3
DS4_USB3_RX_P 3
DS4_USB3_RX_N 3
0R
DNP
R68
0R
DNP
R69 100k R70
100k R67
MI2C_CLK 3, 4, 6
MI2C_DAT 3, 4, 6