Since the British M. Faraday made the first hand-cranked DC generator in 1831, the motor has a history of more than 180 years. The motor is an electromagnetic mechanical device that uses the interaction of electricity and magnetism to achieve energy conversion and transmission. The motors include motors and generators. Motors absorb electrical energy from the electrical system and output mechanical energy to the mechanical system. Various types of motors are widely used in various sectors of the national economy and household appliances. They are mainly used to drive various mechanical equipment. In fact, motors are veritable “Large households†consume more than 70% of the world’s industrial electricity. In China, the total electricity consumption of various motors accounts for more than 60% of the total electricity consumption of the whole society. Under the current severe situation of green, energy saving and emission reduction, high efficiency Energy motor solutions are in great demand. For local needs, Microchip can provide high-efficiency solutions including brushed DC, brushless DC, stepper motors, and AC induction motors.
Microchip offers a full range of MCUs for motor control from low-cost 8-bit devices to high-performance 16-bit and 32-bit devices. These devices include innovative motor control PWM peripherals, including complementary waveforms and dedicated time bases. The high-performance dsPIC®DSC core contains DSP instructions, which can more accurately control applications that require constant torque speed change and magnetic field control to achieve higher efficiency.
Microchip supports a broad product portfolio based on ARM®Cortex®M0, M4 and M7, as well as the PIC32MK series based on 32-bit MIPS, to provide support for customers seeking to use DSP extended 32-bit floating point processing. Single-chip motor control and motor drive solutions can achieve simpler designs and reduce board space. These devices are commonly used as companion chips for PIC® microcontrollers and dsPIC® digital signal controllers. Microchip offers a full range of MCUs for motor control from low-cost 8-bit devices to high-performance 16-bit and 32-bit devices. These devices include innovative motor control PWM peripherals, including complementary waveforms and dedicated time bases. The high-performance dsPIC®DSC core contains DSP instructions, which can more accurately control applications that require constant torque speed change and magnetic field control to achieve higher efficiency.
Number1
Brush DC motor solution
Microchip's brushed DC motor control solution is based on its MCU, gate driver and ignition controller for brushed DC motor control. These MCUs can be used in a variety of general-purpose and low-power applications. With multiple PWM, multiple communications, temperature sensor and memory access partition (MAP) and other functions.
Brushed DC motors are named after the "brushes" used for commutation. There is a commutator on the windings of the rotor or armature. The brush contacts and disconnects with the commutator segment, thereby commutating the power to the armature. Brushed DC motors are easy to control because the speed and torque are proportional to the applied voltage/current.
Microchip's brushed DC motor control scheme is characterized by good controllability, linear torque/current curve, speed proportional to the applied voltage, low heat dissipation, etc.
Number2
Brushless DC motor control scheme
Microchip's brushless DC motors are based on its series of MCU ignition controllers and brushless DC motor control drivers. These devices are very useful in embedded applications with very low power consumption and have excellent high performance. These solutions include complete motor control and drive solutions for automotive and industrial applications.
Microchip brushless DC motor applications also include anti-lock braking systems, disk drive servos, throttle control
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Number3
Stepper motor
Microchip's stepper motor control solution is based on its full range of MCUs, digital signal processors and controllers. Microchip digital signal controllers and microcontrollers have an enhanced core with unique features that can be used for embedded control of small motors and general applications. These devices are specially developed for high-efficiency system design, with the focus on reducing the overall power consumption and cost of the motor system.
Number4
AC induction motor
AC induction motors (ACIM), sometimes called squirrel cage motors, are one of the most popular motors in consumer and industrial applications. Induction motors are by far the largest group of all industrial motors, converting approximately 70-80% of all electrical energy into mechanical form.
Microchip's AC induction motor solution is based on its full range of MCUs for brushed AC induction motor control. This device is specially developed for designing high-efficiency systems, with an emphasis on reducing power consumption and cost. These devices have basic peripherals such as smart analog and core independent peripherals (CIP), as well as ultra-low power (XLP) communication functions for various low-power applications.
The main applications of AC induction motors are air conditioner and refrigerator compressors, household appliances, water pumps, blowers, factory automation, power tools, etc.
Number5
Permanent magnet synchronous motor
Permanent magnet synchronous motor (PMSM) has high reliability and high efficiency. Permanent magnet synchronous motors can help you reduce the design torque without reducing losses. Permanent magnet synchronous motors need to be commutated like brushless DC motors, but require more complex control algorithms, so higher performance controllers, such as Microchip's dsPIC DSC and 32-bit PIC32MK or Cortex M-based solutions, are needed.
Microchip provides development tools and application notes to help you develop advanced PMSM control solutions such as sensorless field-oriented control (FOC).
Typical applications of permanent magnet synchronous motors include
• Air conditioner and refrigerator compressor
• Direct drive washing machine
• Automotive electric power steering
• Processing tools
• Traction control
• Industrial sewing machine
For motor control, Microchip has always sought to reduce costs (such as reducing the use of permanent magnets) while achieving high motor torque output and high efficiency. This is exactly what is needed in the three application areas of industrial control, white electricity and automobiles. With the increase in motor efficiency requirements, it is becoming more and more important to seek a more cost-effective alternative. Microchip has always been committed to improving and improving the performance of peripherals, providing excellent platforms to help customers develop high-quality products, and can provide you with the required high-efficiency motor control solutions. We can proudly say, "There is always a motor The control plan is for you!"
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