Power-Supply Requirements and Connections
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SLDU007C – March 2012 – Revised November 2015
Copyright © 2012–2015, Texas Instruments Incorporated
PGA450Q1EVM User’s Guide
3
Power-Supply Requirements and Connections
3.1
Power Supply
Only one main power supply is needed. Apply 7 VDC to 18 VDC to the PGA450Q1EVM that supplies
power to the entire board, except for the USB communications board and LIN which are powered by the
USB communication PCB. Connect a power supply to the banana jacks, P1 “VPWR_IN” and P3 “GND” or
use the screw terminal P2.
3.2
Controlling and Powering the PGA450Q1EVM via the USB Interface Board
The PGA450Q1EVM is shipped with a USB interface board that provides a link from the PC-controlled
GUI (described later) to the EVM. Connect the USB interface board to the PGA450-Q1 device by
connecting the 30-pin female header on the interface board to P6, the male 30-pin header on the
PGA450Q1EVM. The TI logo on the interface board should face up when it is plugged in.
shows
the interface board connected to the PGA450Q1EVM.
Figure 1. PGA450Q1EVM Setup
3.3
Connecting the Transducer
A transducer is included with the EVM. Solder the transducer connector to the through-holes at P6.
Alternatively, use the screw terminal to connect the transducer.