Texas Instruments TPS65276V PMIC, Руководство пользователя

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Check “Shutdown” box to shutdown
Buck 1 or Buck 2
Check “VID Enable” box to set to output
voltage by VID
Change Vout transition slew rate
Output Voltage Selection Pulldown Boxes Mode Selection option
Internal Register Values, can be
altered bit by bit if desired. Updates register
when “Write” button is pushed.
Bench Test Setup Conditions
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5.5 Software Operation
This section provides descriptions of the EVM software.
The supplied software is used to communicate with the TPS65276V EVM. Click on the icon on the host
computer to start the software. The software displays the main control panel for the user interface
(
Figure 9 ).
Figure 9. Screen Capture of TPS65276V Software GUI Interface
Figure 9 shows the GUI control interface. There are five 8-bit registers embedded in TPS65276V, two to
select the output voltage, two to configure the buck converter’s operation, and one for status feedback.
Changes are made by selecting and checking the components in the GUI on the left hand side and can
also be made by directly clicking the bits of each register. I
2
C address is set to default 0x60H, this address
is corresponding to the EVM jumper JP7 to connect to GND. Changing the I
2
C address requires that the
EVM be configured accordingly.
An option is to “write on change”, if this option is set to ON, any change is sent to the EVM immediately; if
this option is set to OFF, “Write” button or “W” button for each register must be clicked to send the control
signal.
Register values can be read back from the EVM by clicking “Read” or “R” for each register.
10 4.5-V to 18-V Input, Dual (6.5-A and 3.5-A) Synchronous Step-Down SLVU878 – February 2013
Converter With I
2
C Controlled VID and Current Sharing Evaluation Module Submit Documentation Feedback
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