Motor control MCUs come with firmware ready-to-apply
The C2000 Piccolo TMS320F2805x microcontrollers (MCUs) are equipped with the InstaSPIN-FOC and MOTION technology on the read-only memory (ROM) of the chip, which helps drastically reduce development time. These MCUs are optimised for a variety of three-phase sensored or sensorless motor control applications to control speed and improve efficiency, performance, and reliability of electric pumps, fans, and traction drives. The C2000 Piccolo F2805x MCUs also contain a number of analogue components on chip to increase system efficiency and decrease the number of discrete parts required in a motor system design.
TI is now able to offer a variety of InstaSPIN solutions that includes C2000 Piccolo F2802x, F2805x and F2806x MCUs, ranging from $4-12 that contain InstaSPIN-FOC, InstaSPIN-MOTION, InstaSPIN-MOTION with Position or a combination of those. Designers can also choose package size, number of pins, memory, clock speed, and control and communication peripherals.
Integrated analogue control peripherals improve system efficiency and reduce bill of materials cost, including 12-bit analogue-to-digital converter (ADC), 14 enhanced pulse-width-modulation (PWM) channels with fault management, seven windowed analogue comparators with 10-bit digital-to-analogue converters (DACs), dual zero-pin oscillators, voltage regulator, up to four programmable gain amplifiers (PGAs) and 3 fixed-gain amplifiers, and 32-bit enhanced input capture module (eCAP) and enhanced quadrature encoder pulse (eQEP) for rotor sensor interface.
InstaSPIN-MOTION motor control technology provides expertise on-chip and removes the need for inefficient, older design techniques. InstaSPIN-MOTION SpinTAC components embedded on the ROM of the C2000 F2805x MCUs: ensure optimum tracking and disturbance rejection, working with the real inertia of the system; and minimise effort and reduce complexity with single coefficient tuning. They rapidly test and tune velocity control from soft to stiff response, defining a controller gain that typically works across the entire variable speed and load range of an application, and actively estimate and cancel system disturbances in real time, providing maximum performance.
The firmware produces an automatically optimised motion profile based on start velocity, target velocity and system limitations for acceleration, jerk and motion trajectory type. It build various states of motion (speed A to speed B) and ties them together with state-based logic. Systems can be configured for sensorless torque or velocity control with the FAST algorithm-based sensorless control, as well as InstaSPIN-FOC and InstaSPIN-MOTION projects.
The C28x CPU runs at 60 MHz with embedded memory for more storage, including up to 128 KB Flash and up to 20 KB SRAM, and with boot ROM and 128-bit security key on protected zones for both Flash and ROM to ensure code security for entire device or mixed-source software development.
You can evaluate the offering using the compatible C2000 F28054M controlCARD motor control library through the MotorWare software infrastructure, which offers the latest in C object-oriented and API-based coding techniques and lab-based projects and documentation.
C2000 Piccolo F2805x MCUs (TMS320F28054M, 54F, 52M, 52F) are available starting at less than $6 (1000). Piccolo TMS320F2802x and TMS320F2806x MCUs with InstaSPIN are $4-12 (1000). The controlCARD (TMDSCNCD28054MISO) for the C2000 F2805x MCUs is available for $99.
Texas Instruments; www.ti.com
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