The VFD, utilizing advanced frequency conversion and microelectronics, is a crucial power control device for AC motors. It optimizes energy usage by adjusting the motor's frequency. Widely used in fans, pumps, central air conditioners, and mechanical equipment like transmission and machine tools, VFDs enhance process efficiency, product quality, and equipment lifespan by enabling speed control and energy reduction.

Geehy's VFD solution, featuring APM32F4 MCUs, gives precise power to motors, saving energy and controlling speed, meeting industrial automation needs.

Single-chip Solution: APM32F407

Dual-chip Solution: APM32F405+APM32F030

Based on the APM32F4 MCU series (Cortex-M4)

• Operating frequency 168MHz, with efficient FPU computing capability

• External memory expansion

• Vector control, V/F control, parameter self-identification

• Complementary PWM output with dead zone and brake protection

• High-speed GPIO processing and three 12-bit high-precision ADCs for enhanced response speed and torque control

• Compatibility with multi-mode expansion cards or encoder interfaces

In the evolving landscape of industrial intelligence, Geehy remains committed to delivering efficient, stable, and secure industrial equipment systems. With a steadfast focus on market and technological advancements, we collaborate closely with partners to offer comprehensive industrial application solutions.