Yes, I did look through the summary and detailed descriptions and www.ti.com/lit/ml/slyt541/slyt541.pdf The low-cost 2-phase design uses an MSP430i2041 plus second processor. IT has 4 A-Ds and I assume I could easily modify the design These polyphase designs looks suitable, www.ti.com/.../tidua02.pdf , www.ti.com/.../evm430-f6779 , uses a single combined processor but is it more than I need. I only need to be able to monitor three currents and perhaps one voltage; will a polyphase design do that OK? Also, what is the rationale for using two processors in some reference designs / EVMs but a single MSP430F67xx in other designs - is it cost, performance, or are they there to demonstrate different options? Regards Ashley
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