Texas Instruments TPS25762Q1EVM-146, Руководство пользователя

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Figure 5-5. Connectors and MUX for USB2ANY and Aardvark
J14 External VCONN and Auxiliary Power Enable Connector
J14 is used to choose VCONN source and enable external 5 V, 3.3 V and 1.1 V auxiliary power. 3.3 V and 1.1
V voltage are power source of HUB and TIVA. To make sure the EVM board have full function, we recommend
connecting all pins of J14. Schematic is shown in
Figure 6-5
J15 DITH/SYNC Connector
J15 is dithering or synchronous selector for TPS55288-Q1. DITH/SYNC pin can be configured to connect to
C75 to set a dithering frequency or connect to TPS25762/72-Q1 SYNC output to synchronize the switching
frequency.
Figure 5-6. J15 DITH/SYNC Connector
J18/J19 GPIO9 configuration
J18 and J19 is used to configure the GPIO9 according to the function of GPIO9 pin.J18 is the header used to
configure GPIO9 as an interrupt I/O for I2C. J19 is the header used to configure GPIO9 as an enable signal or
discharge signal for Port B.
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TPS25762/72-Q1 EVM User's Guide 7
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