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IN
Setup and Operation
8
SLAU822A – December 2019 – Revised April 2020
Copyright © 2019–2020, Texas Instruments Incorporated
TUSS44x0 EVM for Ultrasonic Sensors User's Guide
WARNING
This EVM contains components that are sensitive to electrostatic
discharge (ESD). Use proper laboratory techniques and equipment
to minimize the chance of an ESD or electrical overstress (EOS)
event.
2.2.2.2
Power Mode Jumper Settings
The BOOST-TUSS44x0 EVM has an alternative power mode selector jumper block (J6). Depending on
the use-case, the assembled EVM can be powered from a variety of single or multiple power sources.
lists each power mode with the jumper position of the power mode selector block.
Table 2. Power Mode Jumper Position
POWER MODE
JUMPER
POSITIONS
DESCRIPTION
VISUAL REFERENCE
Standard
(Default)
Pin 1-2 Short
Pin3-4 Open
The MSP-EXP430F5529LP is powered
by USB, and the TUSS44x0 driver
voltage is powered by an external
source at J6 Pin 4 (MAIN).
The 3.3-V LDO rail from the
LaunchPad™ Development Kit supplies
the TUSS44x0 voltage regulator input.
USB Only
(Out-of-Box )
Pin 1-2 Short
Pin 3-4 Short
The MSP-EXP430F5529LP and
BOOST-TUSS44x0 are powered by
USB.
This power mode uses the 5-V USB
supply at the TUSS44x0 driver voltage
with a recommended maximum current
of 100 mA.
The 3.3-V LDO rail from the
LaunchPad™ Development Kit supplies
the TUSS44x0 voltage regulator input.