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APM32F035, Geehy's MCU motor control dedicated

Introducing the APM32F035 microcontroller from Geehy Semiconductor, a low-cost, high-performance microcontroller specially dedicated to low and high voltage motor control.

It is equipped with the Cortex -M0+ @ 72MHz architecture. It is highly integrated, has mathematical accelerators commonly used in FoC algorithms, operational amplifier, comparator and other analog peripherals. In addition, it also includes a CAN controller, features that make it ideal for applications such as small household appliances, power tools, industrial fans or electric bicycles, among others.

Main Characteristics:

M0CP coprocessor, its hardware includes:

• Shift unit, 32bit/32bit divider
• Optional multiplication and addition operation with saturation, square root (log form)
• Trigonometric function
• SVPWM: Allows calculation of 5-segment / 7-segment modulation on 6 clocks

Advanced 16-bit timer TIMER 1:

• Can generate up to 4 pairs of complementary PWM signals for sensorless motor control
• Integrated with internal comparators to reduce external components
• Linked with ADC for efficient multiple firings in one cycle

Integrated independent Op-Amp module:

• Four independent Op-Amp modules for variable motor control
• Supports internal and external gain, included on differential input

Applications

High pressure water pump

• High efficiency sensorless FOC vector control.
• Constant power control to ensure continuous water flow..

Electric coffee grinder

• Provides different speeds thanks to the four Op-Amp modules.
• Detection of jammed coffee beans.
• Supports detection functions such as phase loss, over current and over temperature protection.

Industrial exhaust fan

• High efficiency sensorless FOC vector control.
• Smooth adjustment for all speeds, from 50 rpm to 450 rpm.
• Guaranteed speed principle thanks to home position location.

Electric bike motor control

• Uses vector control to reduce energy consumption.
• Torque control is available to respond to load changes.
• Electronic braking increases driving safety.
• Supports serial communication with a display.