According to Fortune Business Insight, the global electric vehicle (EV) charging station market reached $12 billion in 2022, with the Asia-Pacific region, mainly China, accounting for $7.32 billion. Rapid EV sales and adoption are expected to drive the market to $141.08 billion by 2030, with a projected CAGR of 36.0%.

To address the escalating demand for EV AC charging stations, Geehy uses the highly adaptable APM32F411 MCU series, featuring the Cortex-M4F core. This MCU facilitates high-speed processing, ensuring precise power management and charging control. With support for various operating modes and high-precision peripherals, the APM32F411 MCU series meets the evolving market requirements for power consumption, performance, and cost-effectiveness in charging station applications.

Key Features of the APM32F411 EV AC Charging Station Solution

This solution is ideal for 6.6KW AC smart home charging stations, community shared charging stations, commercial parking lots, corporate parking facilities, car rental services, and operator parking spaces.

Efficient and Reliable Charging Management

- Supports single-gun charging (expandable to dual-gun 14KW) with a maximum 6.6KW capacity.

- Includes protections: overcurrent, short circuit, overvoltage, undervoltage, leakage, lightning, charging, and connection interruption. Onboard isolation devices, fuses, and leakage protectors ensure safety and stability.

- Dedicated AC/DC auxiliary power module.

- Emergency stop charging function.

High-Precision Measurement and Monitoring

- Built-in temperature sensor for real-time environmental monitoring.

- External low-power RTC chip for accurate charging time.

- Multiple LEDs indicate charging status.

- IC-type temperature sensors and current transformers enable efficient current sampling.

- External metering IC for precise power measurement.

- 4G communication module for backend management.

- External EEPROM for real-time data/status information and settings.

- QSPI interface enables external Nor Flash for long-term recording.

Diverse Communication and Interaction

- Integrated NFC chip/BLE/Wi-Fi module facilitates IC card/NFC/Bluetooth payment and expandable PLC/Ethernet communication. CAN communication or CP/PP signals enable seamless interaction with the charging gun.

- External voice chip for voice prompts.

- Optional TFT touchscreen display and human-machine interaction.

- Optional USB interface for printing modules.

Performance Advantages of the APM32F411 MCU

- Cortex-M4F core operates at 120MHz for synchronous multi-task processing.

- 512K Flash and 128KB SRAM support FOTA remote upgrades and various protocol conversions.

- 6x UART/USART channels support Wi-Fi/BLE module/NFC modules.

- I2S for voice decoding IC.

- Built-in QSPI interface for 64M Nor Flash storage.

- FS USB (OTG) interface for external printing devices or USB data reading.

- 5x SPI channels, 3x I2C channels with a maximum rate of 50Mbit/s for IC card payment, RTC chip, TFT/LCD connection, and metering IC communication.

- Dual CAN communication for charging gun interaction and expansion.

- Adopts APM32F411RET6 (LQFP64); can upgrade to APM32F411VET6 (LQFP100) for more resources and functions.

Comprehensive Development Support

Geehy provides flexible and easy-to-use hardware and software development tools and an ecosystem platform for the APM32F4 series, including development boards, debugging tools, and mass production tools. Supported by software development tools like Keil and IAR, complete documentation, SDK, porting guides, and standard/DAL libraries help users reduce design time, and development costs, and optimize performance.

The APM32F411 MCU series, renowned for its industrial-grade performance, cost-effectiveness, stability, strong anti-interference capabilities, and consistent supply cycle, finds wide applications across power equipment, motor applications, 3D printing, robotics, drones, and more.

Building EV charging stations is pivotal for advancing EV adoption and promoting clean energy transportation. Geehy remains committed to furnishing advanced, reliable, and cost-effective chip solutions for the new energy vehicle industry. Through collaboration with partners, we strive to foster the sustainable development of clean energy transportation, contributing to energy-saving and emission-reduction goals.