SLVUBX9 October 2020 TPS2640
Follow the instructions to verify the reverse polarity protection feature of the device:
| Oscilloscope Setting | CH1 Probe Points | CH2 Probe Points |
|---|---|---|
| Channel 1 = 10 V / div | VOUT1 (TP3) | VOUT2 (TP12) |
| Channel 2 = 10 V / div | VIN1 (TP2) | VIN2 (TP11) |
| Trigger source = Channel 1 | ||
| Trigger level = –12 V ±1 V | ||
| Trigger polarity = Falling | ||
| Trigger mode = Single | ||
| Time base | 10 ms / div |
Figure 4-8 Reverse Polarity
Protection.