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Vzlaje
Sigo acá, en le mismo orden de ideas si es posible me pueda traducir lo expuesto en su blog :SYNC signal.
This is one of the most important signals, its function is to serve as reference frequency for the choppers at the Power Stage, but it serves a second and very important function: It defines the "blanking time" on the chopper comparator circuits. We will be talking about the "blanking time" when we get to the chopper's circuit description, and a little more when we discuss the blanking time relationship with the minimum step current regulation.
The Sync signal is generated on a hardware 8 bits PWM generator inside the Micro-controller Chip, the "blanking time" is adjustable in the firmware.
Si no es pedir demasiado, ahondar mas en el tema sobre el "dead time" y el "blanking time", o algún libro que aborde el tema....