General Configurations
7
SLVUBA5 – October 2017
Copyright © 2017, Texas Instruments Incorporated
TPS26624-25 Evaluation Module
ADVANCE INFORMATION
Figure 3. J4 = 1-2 Position, Current Limit (800 mA) and Auto-Retry
4.4.2
Output Short-Circuit Protection Test
Follow the instructions to verify the output short-circuit protection feature of the device.
1. Set the oscilloscope as shown in
on CH1.
Table 7. TPS26624-25EVM Oscilloscope Setting for Output Short Circuit
Protection
Oscilloscope Setting
CH1 Probe Points
CH2 Probe Points
Channel 1 = 20 V/div
VIN1 (TP3)
VIN2 (TP10)
Channel 2 = 20 V/div
VOUT1 (TP4)
VOUT2 (TP11)
Channel 3 = 20 V/div
FLTb1 (TP1)
FLTb2 (TP8)
Channel 4 = 2 mA/div
Input current into T1 + wire
Input current into T3 + wire
Trigger source = Channel 2
Trigger level = 10 V
Trigger polarity = Negative
Trigger mode = Single sequence
Time base
2 ms/div
2 ms/div
