To enable efficient, real-time embedded motor control systems in space-constrained applications, Microchip Technology IncMicrochip Technologies, Inc. (Microchip Technologies) introduces a new family of integrated motor drivers based on DSPIC Digital Signal Controllers (DSCs). The devices integrate a DSPIC33 digital signal controller (DSC), a three-phase MOSFET gate driver, and an optional LIN or CAN FD transceiver in a single package. A significant advantage of this integration is a reduction in the number of components in the motor control system design, a reduction in the size of the printed circuit board (PCB), and a reduction in complexity. Support resources for this family of devices include development boards, reference designs, application notes, and Microchip's Field Oriented Control (FOC) software development kit, Motorbench Development Suite V245。
"Automotive, consumer and industrial designs are constantly evolving, requiring higher performance and smaller size," said Joe Thomsen, vice president of the Digital Signal Controllers business unit at Microchip. But improving performance often comes at a higher cost and larger size. By integrating multiple device functions into a single chip, DSPIC DSC-based integrated motor drivers can reduce system-level cost and board space. ”
The integrated motor driver devices can be operated from a single supply up to 29V (operating voltage) and 40V (transient voltage). Interior 3A 3V low-dropout (LDO) regulator powers the DSPIC DSC, eliminating the need for an external LDO. The integrated DSPIC DSC-based motor driver operates at frequencies between 70-100 MHz and provides high CPU performance to support the efficient deployment of FOCs and other advanced motor control algorithms.
Development tools
A comprehensive ecosystem of motor control software and hardware development tools enables a faster and easier design process and reduces time to market for customers.
The DSPIC33CK Motor Control Starter Kit (MCSK) and the MCLV-48V-300W are two new integrated motor driver development boards based on the DSPIC33 that provide a rapid prototyping solution with flexible control options. The MCSK includes a DSPIC33CK low-voltage motor control development board, a 24V three-phase BLDC motor, an AC DC adapter, a USB cable, and other accessories. This cost-effective toolkit supports rapid prototyping of motor control applications with operating voltages from 12 to 48 VDC and continuous currents up to 10 amps. The MCLV-48V-300W development board enables rapid prototyping of three-phase permanent magnet synchronous motors rated from 12 to 48 VDC and provides up to 25A rms of continuous current per phase. The inverter board introduces a completely new modular concept by inserting a separate dual in-line module (DIM) into the board for configuration for a specific DSPIC DSC or MCU.
The Motorbench Development Kit is a free FOC software development tool based on a graphical user interface that accurately measures key motor parameters, automatically adjusts feedback control gain, and generates sources** using the Motor Control Application Framework (MCAF). The latest version (v2.)45) Contains a powerful new feature called "Zero Speed Maximum Torque (ZS MT)" that allows the application to eliminate Hall or magnetic sensors while maximizing the torque output of the motor at start-up and low speeds. This feature can be used in pumps, power tools, electric vehicles, and many other applications.
MPLAB Discover now includes a number of DSPIC DSC-based MATLAB Simulink models that support a wide range of motor control algorithms and development boards. Microchip also offers free device modules for Simulink that can be used to generate optimizations from DSPIC DSCs and other Microchip MCUs**.
Currently, there is a growing number of DSPIC DSC-based motor control reference designs, including automotive cooling fans, low-voltage ceiling fans, and drone propeller controllers. These reference designs provide production-ready solutions for a wide range of motor control applications, resulting in faster time-to-market. Board design files typically include a schematic and BOM, a board user guide, and a motor control source, and are available.
If you need data sheets, sample testing, procurement, BOM matching and other needs, **Customer Service WeChat: 13310830171.
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