Texas Instruments TPS62842DGR, Руководство пользователя, Страница: 4 / 16

Setup
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4 SLUUC58 – November 2019
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TPS62842EVM-103 User's Guide
2 Setup
This section describes how to properly use the TPS62842EVM-103.
2.1 Input/Output Connector Descriptions
J11, Pin 1 and 2 – VIN Positive input connection from the input supply for the EVM.
J11, Pin 3 and 4 – S+/S- Input voltage sense connections. Measure the input voltage at this point.
J11, Pin 5 and 6 – GND Input return connection from the input supply for the EVM.
J12, Pin 1 and 2 – VOUT Output voltage connection.
J12, Pin 3 and 4 – S+/S- Output voltage sense connections. Measure the output voltage at this point.
J12, Pin 5 and 6 – GND Output return connection.
JP11 – EN
EN pin input jumper. Place the supplied jumper across ON and EN to turn
on the IC. Place the jumper across OFF and EN to turn off the IC.
JP12 – MODE
MODE pin input jumper. Place the supplied jumper across PWM and MODE
to operate in forced PWM mode. Place the jumper across PFM and MODE
to operate in power save mode with an automatic transition to PWM mode
at higher load currents.
2.2 Setup
To operate the EVM, set jumpers JP11 through JP13 to the desired position per Section 2.1 . Connect the
input supply to J11 and connect the load to J12.