Datasheet

Technical information USBLC6-2
8/14 Doc ID 11265 Rev 5
2.5 Application examples
Figure 14. USB 2.0 port application diagram using USBLC6-2
Figure 15. T1/E1/Ethernet protection
HUB-
DOWNSTREAM
TRANSCEIVER
+ 5V
R
S
R
S
R
S
R
S
R
PD
R
PD
R
PD
R
PD
Protecting
Bus Switch
DEVICE-
UPSTREAM
TRANSCEIVER
+ 3.3V
SW
1
R
PU
V
BUS
D+
D-
GND
V
BUS
V
BUS
V
BUS
R
X LS/FS
+ R
X LS/FS
+
R
X LS/FS
+
R
X LS/FS
+
R
X HS
+ R
X HS
+
R
X HS
+
R
X HS
+
T
X HS
+ T
X HS
+
T
X HS
+
T
X HS
+
T
X LS/FS
+ T
X LS/FS
+
T
X LS/FS
+
T
X LS/FS
+
R
S
R
S
USB
connector
T
X LS/FS -
T
X LS/FS -
T
X LS/FS -
T
X LS/FS -
R
X LS/FS -
R
X LS/FS -
R
X LS/FS -
R
X LS/FS -
R
X HS -
R
X HS -
R
X HS -
R
X HS -
T
X HS -
T
X HS -
T
X HS -
T
X HS -
GND GND
GND
GND
SW
2
DEVICE-
UPSTREAM
TRANSCEIVER
USBLC6-4SC6
USBLC6-2P6
USBLC6-2SC6
+ 3.3V
SW
1
R
PU
V
BUS
D+
D-
GND
R
S
R
S
USB
connector
SW
2
OpenClosed then openHigh Speed HS
OpenClosedFull Speed FS
ClosedOpenLow Speed LS
SW
2
SW
1
Mode
DATA
TRANSCEIVER
SMP75-8
SMP75-8
Tx
Rx
+V
CC
+V
CC
100nF
100nF
USBLC6-2SC6USBLC6-2SC6