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Hi,
I'm trying to build a MPPT charger, and it has recently come to my attention that I might have to use an Type 2 or 3 compensation network in order to maintain stability of the control loop. The PCBs are already on their way, so it is too late to add another two OPAMPs to the design. However, I have two instrumentation amps (AD623) in order to subtract the offset from the ADS712 current sensors, and my question are: would it be able to construct the feedback network (RG) on the instrumentation amplifier in such way that the bandwith are compensated for in the same manner as the Type 2 or Type 3 compensation networks commonly found on the internet, where they are utilizing one OPAMP?
Best Regards
Vidar
I'm trying to build a MPPT charger, and it has recently come to my attention that I might have to use an Type 2 or 3 compensation network in order to maintain stability of the control loop. The PCBs are already on their way, so it is too late to add another two OPAMPs to the design. However, I have two instrumentation amps (AD623) in order to subtract the offset from the ADS712 current sensors, and my question are: would it be able to construct the feedback network (RG) on the instrumentation amplifier in such way that the bandwith are compensated for in the same manner as the Type 2 or Type 3 compensation networks commonly found on the internet, where they are utilizing one OPAMP?
Best Regards
Vidar
