HD3SS3220_15 Datasheet, PDF (26/43 Pages) Texas Instruments – HD3SS3220 USB Type-C DRP Port Controller with SuperSpeed 2:1 MUX

HD3SS3220
SLLSES1 – DECEMBER 2015
www.ti.com
8.2.3 Typical Application, DFP Port
HD3SS3220 can be used to design a USB Type-C DFP Port. An example schematic for DFP implementation is
illustrated in Figure 11.
DM
DP
PS_EN
PS_FAULT#
VBUS
USB3 ^INT#
and
PMIC ^ID
SCL
SDA
VCONN_FAULT#
System VBUS
I2C I/O
1.8V or 3.3V
VDD_5V
200 k
4.7 k 4.7 k 200 k 200 k 200 k 10 k
VCC_3.3V
SCL
SDA
USB VBUS Switch
(Optional BC 1.2 Support for Legacy)
DM_OUT
DP_OUT
VIN
EN
FAULT#
DM_IN
DP_IN
VOUT
VCONN Bulk Cap
150uF
100uF
100nF
PORT
INT_N/OUT3
ID
SCL/OUT2
900 k
VBUS_DET
CC2
CC1
CC2
CC1
SDA/OUT1
VCONN_FAULT_N
CURRENT_MODE
RXP2
RXN2
TXN1
TXP1
DM
DP
VBUS
A12 B1
A11 B2
A10 B3
A9 B4
A8 B5
A7 B6
A6 B7
A5 B8
A4 B9
A3 B10
A2 B11
A1 B12
TXP2
TXN2
RXN1
RXP1
SSTXP
SSTXN
SSRXP
SSRXN
SS_EN#
200 k
HD3SS3220
DIR
VCC33
TXp
TXn
RXp
RXn
ENn_Mux
TX2p
TX2n
RX2p
RX2n
TX1p
TX1n
RX1p
RX1n
100nF
TXP2
TXN2
RXP2
RXN2
100nF
100nF
TXN1
TXP1
RXN1
RXP1
100nF
Note: HD3SS3220 Does Not Care
About Differential Pair Polarity
Figure 11. DFP Application Using HD3SS3220DFP
26
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