TS3USB3200_16 Datasheet, PDF (11/23 Pages) Texas Instruments – USB 2.0 Applications

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8 Application and Implementation
TS3USB3200
SCDS333B – JUNE 2012 – REVISED JULY 2016
NOTE
Information in the following applications sections is not part of the TI component
specification, and TI does not warrant its accuracy or completeness. TI’s customers are
responsible for determining suitability of components for their purposes. Customers should
validate and test their design implementation to confirm system functionality.
8.1 Application Information
For Mobility Display Port Applications (MyDP) the signal voltage must be biased to ensure that the signal never
exceeds the Recommended Operating Conditions for the TS3USB3200. Namely the V_I/O must never operate
outside the range of 0 V to 3.6 V.
The control pins (SEL1 and SEL2) have built-in 6-MΩ pulldown resistors to ensure the USB paths are enabled
for TS3USB3200 and allow connectivity to the TSU5611 USB accessory switch.
8.2 Typical Applications
8.2.1 TS3USB3200 Configured to be Powered by VBUS Through the MicroUSB Connector
During manufacturing test when battery power is not available, the TS3USB3200 can be configured, as shown in
Figure 10, to be powered by VBUS through the microUSB connector.
To
Battery
Charger
V_BAT
100Ω
VCC
VBUS
VBUS
USB+
D+
D-
ID
GND
USB-
D+
ID_USB
D-
ID_COM
GND
MicroUSB
Connector
SEL1
SEL2 MHL+
PSEL MHL-
ID_MHL
TS3USB3200
VBUS VBAT
DP
USB_DM
DM
USB_DP
ID
UART_TX
UART_RX
SDA
SCL
INT
TSU6111A
Baseband or
Application
Processor
MHL+/MyDP+
MHL-/MyDP-
HDMI
CBUS/ID
HDMI to
MHL/MyDP Bridge
Copyright © 2016, Texas Instruments Incorporated
Figure 10. Typical Application Schematic Powered by VBUS
8.2.1.1 Design Requirements
Design requirements of the MHL and USB 1.0,1.1, and 2.0 standards must be followed. The TS3USB3200 has
internal 6-MΩ pulldown resistors on SEL and OE, so no external resistors are required on the logic pins. The
internal pulldown resistor on SEL ensures the USB channel is selected by default. The internal pulldown resistor
on OE enables the switch when power is applied to VCC.
Copyright © 2012–2016, Texas Instruments Incorporated
Product Folder Links: TS3USB3200
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