V-RECT
TP7 5V-OUT
I-OUT
Test Setup
6.2.2
EVM Setup Procedures
This section guides the user through a few general test procedures to exercise the functionality of the
presented hardware. A few key notes:
•
To probe the output voltage of the receiver, connect the probe to TP7.
•
To probe the rectifier voltage, connect the probe to TP12.
•
The V-adapter supply which simulates an external adapter is connected to J1.
•
All voltmeters must be Kelvin connected (at the pin) to the point of interest.
•
The output load is recommended to be a variable power resistor or electronic load.
6.3
Load Step
The procedure for load step is as follows:
•
Set up the test bench as described in
.
•
Power TX with 19 V.
•
Provide a load step from no load (high impedance) to 10
Ω
or 500 mA (if using a current source load).
•
Monitor load current, rectifier voltage, and output voltage as shown in the following illustrations.
Figure 3. Load Step, 0 mA to 500 mA
8
bq51013AEVM-765 Evaluation Module
SLUU911 – June 2012
Copyright © 2012, Texas Instruments Incorporated