![]() ![]() ![]() It also offers a variety of interfaces such as RS-422/485, CAN, and SPI. The incremental (quadrature) encoders or other sensor signals used for position feedback provide field-oriented current control with a velocity-control loop. The IC works with incremental (quadrature) encoders or Hall signals for position feedback, with a field-oriented current control using pulse width modulation (PWM), a velocity control loop, and a position-control loop and ramp controllers, the software can define the complete servo controller stack. The 12 mm ×x 17 mm IC (Figure 1), includes a complete servo controller software stack, while the integrated gate driver can support a wide range of N-channel power switches for 24 V motors. KG, (Hamburg, Germany) offers their TMCC160 MotionCookie, an integrated microsystem which includes a 3-phase servo-gate driver suitable for up to 24 V and 1 A gate-drive current. For example, TRINAMIC Motion Control GmbH & Co. Q: If a designer wants to implement FOC, does he or she have to pull together all the hardware components and the algorithms in firmware or software?Ī: Of course not many vendors offer complete FOC subsystems or systems on one or a few ICs. Part 2 now looks at some implementations, again without the underlying math. Part 1 of this FAQ set the stage for a rudimentary understanding of FOC (field-oriented control) but did not delve into the math-heavy details. ![]()
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