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Motor Control

Electric motors are widely used in diverse applications, from small consumer goods to large industrial machinery. With the growing emphasis on low-carbon practices and energy efficiency, coupled with the ongoing advancements in automation, motor control technology is evolving towards energy conservation and intelligent control. Geehy provides high-performance MCUs and mass-produced motor solutions designed for the motor control field. Our comprehensive control algorithm platform and tool support expedite the design cycle for users' motor control systems, contributing to the industry's shift toward energy efficiency and intelligence.

One-Stop Motor Control Development Ecosystem

Motor Control EVAL Boards

APM32F035 Low-Voltage Motor Control EVAL Board

Electrical Parameters

12~72V DC input, max power 100W

Supported Motor Types

BLDC, PMSM

Supported Encoder Types

Hall, optical, magnetic encoder

Communication Interfaces

SCI, SPI, I2C, CAN

Current Sampling Methods

Single and dual resistor sampling

Three-phase back-EMF sampling

APM32F035 High-Voltage Motor Control EVAL Board

Electrical Parameters

85~265V AC input, max power 300W

Supported Motor Types

BLDC, PMSM

Supported Encoder Types

Hall, optical, magnetic encoder

Communication Interfaces

Isolated USB, UART

Current Sampling Methods

Single and dual resistor sampling

Three-phase back-EMF sampling

APM32M3514 Motor Control EVAL Board

Electrical Parameters

12~72V DC input, max power 100W

Supported Motor Types

BLDC, PMSM

Supported Encoder Types

Hall, optical, magnetic encoder

Communication Interfaces

UART, SPI, I2C, CAN

Current Sampling Methods

Single and dual resistor sampling

Three-phase back-EMF sampling

Chip Advantages

Integrated 200V 6N gate driver and 3.3V LDO

G32M3101 Motor Control EVAL Board

Electrical Parameters

12~30V DC input, max power 60W

Supported Motor Types

BLDC, PMSM

Supported Encoder Types

Hall, optical, magnetic encoder

Communication Interfaces

UART, SPI

Current Sampling Methods

Single and dual resistor sampling

Three-phase back-EMF sampling

Chip Advantages

Integrated40V 3P+3N gate driver and 5V/60mA LDO

Dual Motor Development Boards

G32R501 Low-Voltage Sensorless Dual Motor Development Board

Features

A single-chip solution powered by the G32R501 real-time MCU

Cortex-M52 dual-core @250MHz, 640KB Flash, 128KB SRAM

Dual motor high-performance vector independent control with flux observer

Supports static identification of motor parameters (resistance/inductance/flux linkage)

Supports dynamic identification of motor parameters (resistance/inductance)

Electrical Parameters

Input voltage: DC 12V to 48V

Output peak current: 20A

Control Performance

PI adaptation: model reference adaptive control

Minimum motor control frequency: 5Hz

Speed stability control accuracy > 5Hz ±0.5%

APM32F411 Low-Voltage Dual Motor Development Board

Features

Adopts high-performance APM32F411 MCU

Cortex-M4F @120MHz, 512KB Flash, 128KB SRAM

Dual-channel ADC to meet application and motor performance computing requirements

Supports BLDC and PMSM dual motor control

Supports sensor/sensorless FOC control and sensor/sensorless square-wave control

Electrical Parameters

12~72V DC input, single motor max power 100W

Interfaces and Sampling

Supported encoder types: Hall, optical, magnetic

Communication interfaces: USB, UART, SPI, I2C, CAN

Current sampling methods: single and dual resistor, three-phase back-EMF

Motor Control Algorithm Platform

Motor Control Applications

Electrolytic Capacitor-Free Variable Frequency Controller

Combines one APM32F035 motor control MCU and three GHD1620T drivers, using film capacitors and IGBT circuits to suppress harmonic current without an external PFC circuit, improving power factor and inverter efficiency.

Industrial Vacuum Pump

Based on the APM32F035 MCU, it adopts sensorless FOC control through phase-current sampling to eliminate sensor failures and extend service life.

Electric Roller

Combines the APM32F035 MCU with the GHD3440 gate driver to implement sensor-based FOC control and support full-torque startup under load, improving efficiency and stability.