Microchip Launches New dsPIC® DSC-Based Integrated Motor Drivers that Bring Controllers, Gate Drivers and Communications to a Single Device
26 February 2024 - 11:58PM
To implement efficient, real-time embedded motor control systems in
space-constrained applications, Microchip Technology
(Nasdaq: MCHP) has launched a new family of
dsPIC® Digital Signal Controller (DSC)-based
integrated motor drivers. These devices incorporate a
dsPIC33 digital signal controller (DSC), a three-phase MOSFET gate
driver and optional LIN or CAN FD transceiver into one package. A
significant benefit of this integration is reduction in component
count of the motor control system design, smaller printed circuit
board (PCB) dimensions and reduced complexity. The devices are
supported by development boards, reference designs, application
notes and Microchip’s field oriented control (FOC) software
development suite,
motorBench® Development Suite
V2.45.
“Automotive, consumer and industrial designs are evolving and
require higher performance and reduced footprints. These
expectations often come at a higher expense and increase in
dimensional size,” said Joe Thomsen, vice president of Microchip’s
digital signal controllers business unit. “By integrating multiple
device functions into one chip, the dsPIC DSC-based integrated
motor drivers can reduce system-level costs and board space.”
The integrated motor driver devices can be powered by a single
power supply up to 29V (operation) and 40V (transient). An internal
3.3V low dropout (LDO) voltage regulator powers the dsPIC DSC,
which eliminates the need for an external LDO to power the device.
Operating between 70—100 MHz, the dsPIC DSC-based integrated motor
drivers provide high CPU performance and can support 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 webpage.
Development ToolsAn extensive ecosystem of
motor control software and hardware development tools help make the
design process faster and easier, reducing the customer’s time to
market.
The dsPIC33CK Motor Control Starter Kit
(MCSK) and the MCLV-48V-300W are two
new dsPIC33-based integrated motor driver development boards that
provide rapid prototyping solutions 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 kit supports fast
prototyping of motor control applications that operate between 12
and 48 VDC with up to 10 Amps of continuous current. The
MCLV-48V-300W development board enables fast prototyping of
three-phase permanent magnet synchronous motors that are rated
between 12 and 48 VDC and capable of delivering up to 25A RMS
continuous current per phase. This inverter board introduces a new
modular concept where a separate dual-in-line module (DIM) is
inserted into the board to configure it for a particular dsPIC DSC
or MCU.
The motorBench Development Suite is a free GUI-based
software development tool for FOC that accurately measures critical
motor parameters, automatically tunes feedback control gains and
generates source code by utilizing the motor control application
framework (MCAF). The latest version, v2.45, includes a
powerful new feature called zero-speed/maximum torque (ZS/MT),
which enables designers to eliminate Hall or magnetic sensors while
maximizing the torque output from the motor, from start-up and at
low speeds. This feature can be used in pumps, power tools,
e-Mobility and many other applications.
MPLAB® Discover now contains many dsPIC
DSC-based MATLAB® Simulink® models supporting various motor control
algorithms and development boards. Microchip also provides free
device blocks for Simulink that can be used to generate optimized
code from models for dsPIC DSCs and other Microchip MCUs.
The growing number of dsPIC DSC-based motor control
reference designs now includes an automotive cooling fan,
low-voltage ceiling fan and a drone propeller controller. These
reference designs shorten the time to market by providing a
production-ready solution for various motor control applications.
Typically, the board design files include schematics and a BOM, a
board user’s guide and motor control source code that are available
for download.
Pricing and AvailabilityFor additional
information and to purchase, contact a Microchip sales
representative, authorized worldwide distributor or visit
Microchip’s Purchasing and Client Services website,
www.microchipdirect.com.
ResourcesHigh-res images available through
Flickr or editorial contact (feel free to publish):
- Application image:
https://www.flickr.com/photos/microchiptechnology/53077288882/sizes/o/
- Block diagram:
https://www.flickr.com/photos/microchiptechnology/53078367608/sizes/l/
About Microchip
Technology:Microchip Technology Inc. is a
leading provider of smart, connected and secure embedded control
solutions. Its easy-to-use development tools and comprehensive
product portfolio enable customers to create optimal designs which
reduce risk while lowering total system cost and time to market.
The company’s solutions serve approximately 125,000 customers
across the industrial, automotive, consumer, aerospace and defense,
communications and computing markets. Headquartered in Chandler,
Arizona, Microchip offers outstanding technical support along with
dependable delivery and quality. For more information, visit the
Microchip website at www.microchip.com.
Note: The Microchip name and logo, the Microchip logo, MPLAB and
dsPIC are registered trademarks of Microchip Technology
Incorporated in the U.S.A. and other countries. motorBench is a
registered trademark of Microchip Technology Inc. in the U.S.A. All
other trademarks mentioned herein are the property of their
respective companies.
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