Hello,
We’re attempting to monitor fault conditions, via a microcontroller, on the MP2760. Utilizing the programming tool on both the EVKT-MP2760 and EV2760-VT-00A, we’re able to setup our profile and thresholds to trigger faults.
While monitoring the state of the INT pin with an oscilloscope, our observations on both kits are that the 256us pulse never quite reaches a logic low level. The kits are loaded with adequate pull-up resistors to hold the open collector state high, but in the event of a fault the pulse lasts for over a millisecond and presets as a discharging capacitive load that never drops below 1.9V, which returns to a logic high level when the pulse ends.
Any help here would be greatly appreciated.