![]() When created a short circuit of < 10mS, it shouldnt trip (As I understand) as my load transient blanking is 10mS. According to Itimer should start to drop when the overcurrent condition is detected. The Itimer voltage output doesnt seem to change when short circuit occurs. My transient blanking Itimer cap is 15nF, which should provide me 10mS of blanking period before the trip fires. ![]() An op-amp non-inverting amp with gain of 4 is used to derive the current monitor signal from ILIM output.įor short circuit simulation, I have added a voltage controlled sw, S1 and turned the S1 on 50mS and off at 63mS. I have changed the circuit slightly to suit our needs. I did my simulation using Pspice and managed to get the output I was aiming for apart from transient overload condition.
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