[Shishuo Chip Products] Microchip launches new integrated motor driver based on dsPIC® DSC integrating controller, gate driver and communication into a single device
To enable efficient, real-time embedded motor control systems in space-constrained applications, Microchip Technology Inc. introduces a new family of integrated motor drivers based on dsPIC® digital signal controllers (DSCs) . This family of devices integrates the dsPIC33 digital signal controller (DSC), a three-phase MOSFET gate driver and optional LIN or CAN FD transceiver in a single package. A significant benefit of this integration is reduced component count, reduced printed circuit board (PCB) size, and reduced complexity in motor control system designs. Support resources for this family of devices include development boards, reference designs, application notes and Microchip's field-oriented control (FOC) software development suite motorBench ® Development Suite V2.45.
Joe Thomsen, vice president of Microchip's digital signal controller business unit, said: "Automotive, consumer and industrial designs continue to evolve and require higher performance and smaller size. But improving performance often requires higher cost and larger size. At the expense of size. By integrating multiple device functions into a single chip, dsPIC® DSC-based integrated motor drivers can reduce system-level costs and reduce board space usage.”
This family of integrated motor driver devices can operate from a single supply up to 29V (operating voltage) and 40V (transient voltage). An internal 3.3V low dropout (LDO) regulator powers the dsPIC DSC, eliminating the need for an external LDO. The integrated motor driver based on dsPIC DSC operates between 70-100 MHz and has high CPU performance to support the efficient deployment of FOC and other advanced motor control algorithms.
To learn more about Microchip's growing portfolio of integrated motor drivers, visit the dsPIC DSC-Based Integrated Motor Drivers web page.
development tools
A comprehensive ecosystem of motor control software and hardware development tools helps make the design process faster and easier, reducing customers' time to market.
The dsPIC33CK Motor Control Starter Kit (MCSK) and MCLV-48V-300W are two new dsPIC33-based integrated motor driver development boards that provide rapid prototyping solutions with flexible control options. 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 kit 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 with rated voltages from 12 to 48 VDC, delivering up to 25A RMS continuous current per phase. This inverter board introduces a new modular concept, inserting a separate dual in-line module (DIM) on the board to configure it for a specific dsPIC DSC or MCU.
The motorBench Development Kit is a free GUI-based FOC software development tool that accurately measures key motor parameters, automatically adjusts feedback control gains, and generates source code using the Motor Control Application Framework (MCAF). The latest version (v2.45) includes a powerful new feature called Zero Speed/Maximum Torque (ZS/MT), which allows applications to eliminate Hall or magnetic sensors while maximizing motor torque at start-up and low speeds output. This feature can be used in pumps, power tools, electric vehicles and many other applications.
MPLAB® Discover now includes many dsPIC DSC-based MATLAB® Simulink® models supporting a variety of motor control algorithms and development boards. Microchip also offers free device modules for Simulink that can be used to generate optimized code from models of dsPIC DSCs and other Microchip MCUs.
Currently, there are an increasing number of motor control reference designs based on dsPIC DSCs, including automotive cooling fans, low-voltage ceiling fans, and drone propeller controllers. These reference designs provide production-ready solutions for a variety of motor control applications, reducing time to market. Board design files typically include schematics and BOMs, board user guides, and motor control source code, and are available for download.
The original text is reproduced from Microchip
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