The MCF831x family of devices provide a single-chip, code-free sensorless FOC solution for customers driving BLDC motors for applications such as residential fans, ceiling fans, water pumps, vacuum cleaners, and so forth. This application note provides the hardware, register map and firmware algorithm feature comparison differences between the MCF8316A and MCF8315A devices.
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MCF8316A is the first of integrated sensorless BLDC motor controller in its family with the version ‘A’ firmware algorithm features. The MCF8315A is similar to MCF8316A device with lesser current ratings and additional features in algorithm and bug errata fixes from version MCF8316A. This app note contains the detailed comparison between the MCF8316A and MCF8315A in terms of hardware, algorithm features firmware and register map changes. This application note helps customers to shift from MCF8316A to MCF8315A and it also helps customer as selection guide for choosing between MCF8316A and MCF8315A devices.