14.Press and release the reset switch (S1/S2) to re-enable the device from latch-off mode and verify the
recovery or restart waveform as shown in
.
Figure 4-5. Restart From Latch-Off Mode
15.Disable the power supply.
16.Set the current limit response mode to circuit breaker with auto-retry by uninstalling the J4/J11 jumper.
17.Set the load resistance to 6 Ω ±1 Ω and enable the load.
18.Enable the power supply and verify the circuit breaker with auto retry fault response waveform as shown in
Figure 4-6. J5/J12 = Floating, Current Limit (2.23 A), Circuit Breaker With Auto-Retry Mode
General Configurations
12
TPS2640EVM: Evaluation Module for TPS2640
SLVUBX9 – OCTOBER 2020
Copyright © 2020 Texas Instruments Incorporated
