Board Layout
7
SLVUBD2A – September 2018 – Revised January 2019
Copyright © 2018–2019, Texas Instruments Incorporated
TPS212x Evaluation Module
The default jumper configuration sets the Internal Voltage Reference (VREF) configuration. Since the
voltage on the priority pin is set for 3.3-V operation and SEL is grounded, the priority is given to VIN1.
Therefore, VIN1 can be set to 3.3 V, and the device will prioritize VIN1 even if VIN2 is at a higher voltage.
See the data sheet for more information regarding the configuration settings.
4
Board Layout
and
show the test equipment setup for the TPS2121 and TPS2120, respectively.
Figure 1. TPS2121 Setup With Test Equipment
