Microchip Technology Inc. has announced the dsPIC33FJ12MC family, a lowest-priced digital signal controller (DSC) family for motor control applications. These 40-MIPS DSCs provide a platform for advanced motor control algorithms, such as field-oriented control (FOC), enabling a new level of high performance, low noise and power efficiency in motor control applications. The dsPIC33FJ12MC family comes in compact 20- and 28-pin packages as small as 6x6 mm for use in constrained environments.
The dsPIC33FJ12MC family comprises Microchip's lowest-priced motor control DSCs, which enables the next price-sensitive tier of applications, such as consumer appliances and toys, to take advantage of advanced motor technology.
Specific motor control hardware features of the dsPIC33FJ12MC family include a motor control PWM with two independent clock sources for advanced motor control algorithms and active power factor correction using a single DSC, and an analog-to-digital converter (ADC) optimised for motor control applications. Together with the on-chip quadrature encoder interface, these hardware features provide a highly integrated, cost-effective motor control solution. The on-chip ADC and motor control PWM are also very useful for power-conversion and LED-lighting applications.
Microchip's FOC source code can be downloaded for free via Application Note AN1078 at the Mic rochip website.
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