Sub250 Redfox F722 A3 45A AIO Flight Controller for 2-3.5 inch FPV Drones

Introduction

The Sub250 Redfox A3 F722 45A AIO Flight Controller is a high-performance, ultra-lightweight solution engineered specifically for 2-3.5 inch FPV drones. It combines a powerful STM32F722 microcontroller with a robust 45A BLHeli_32 ESC, providing pilots with superior flight control, rapid response times, and dependable power management. Designed to push the boundaries of micro FPV drone capabilities, this AIO FC is perfect for competitive racing and dynamic freestyle flying.

Key Advantages

• Powered by STM32F722 MCU for strong computational power and real-time responsiveness.
• Reliable 45A BLHeli_32 ESC supports high PWM frequencies up to 128kHz for smooth motor control.
• Dedicated 6-PIN DJI interface for seamless integration with DJI digital video systems.
• Includes a Type-C adapter board with a boot button for easy connection and versatile placement.
• Features 4 complete UART sets for expanded installation and upgrade possibilities, with optimized pads for easy soldering.
• Supports essential functions like OSD parameter tuning, GPS, LED, and buzzer control.
• Extremely lightweight at only 8.7g, with standard M3 25.5x25.5mm mounting holes compatible with most FPV frames.
• Optimized for both digital and analog FPV setups, offering maximum build flexibility.

Technical Specifications

• FC MCU: STM32F722
• IMU: ICM42688-P
• Firmware Target Name: SUB250REDFOX722AIO
• OSD Chip: AT7456E
• Barometer: Built-in
• UARTs: 6 sets (UART1, UART2, UART3 for VTX SBUS receiver, UART4, UART5 for ESC telemetry, UART6)
• External Buzzer: Supported
• External LED: Supported
• 6-PIN DJI Air Unit Connector: Supported
• USB Port Type: SH1.0 5PIN to Type-C
• ESC Continuous Current: 45A
• ESC Burst Current: 55A (10s)
• Power Input: 2~6S LiPo Battery
• ESC Protocol: Dshot300, Dshot600
• Current Sensor: Supported
• ESC Firmware: BLHeli_32
• BEC Output: 5V 2.5A
• Mounting Pattern: 25.5 x 25.5 mm, φ3mm hole reduced to φ2mm with silicone grommets
• Dimensions: 33.5 x 33.5 x 6.45 mm
• PCB Thickness: 1.6 mm
• Weight: 8.7g

Applications

This AIO flight controller is expertly designed for high-speed FPV racing, dynamic freestyle maneuvers, and building lightweight custom FPV drones. It's suitable for both digital and analog FPV systems, offering versatility for various pilot preferences and setups.

Compatibility

The Sub250 Redfox A3 AIO FC is compatible with 2-6S LiPo batteries. It features a dedicated 6-pin connector for DJI Air Units and multiple UART ports for receivers, GPS modules, and other peripherals. The mounting pattern is 25.5x25.5mm with M3 holes, fitting most modern FPV frames. It includes a Type-C USB adapter for configuration.

FAQ

What is the Sub250 Redfox F722 A3 45A AIO FC designed for?

The Sub250 Redfox F722 A3 45A AIO FC is specifically designed for 2-3.5 inch FPV drones, catering to pilots involved in FPV racing and freestyle flying who require a lightweight yet powerful flight control solution.

What are the main advantages of the Redfox F722 A3 45A AIO?

Key advantages include its ultralight 8.7g weight, powerful STM32F722 MCU, reliable 45A BLHeli_32 ESC, integrated DJI 6-PIN connector, and multiple UART ports for extensive customization and compatibility.

What is the mounting pattern and compatibility of this AIO FC?

This AIO FC features a standard 25.5x25.5mm mounting pattern with M3 holes, designed to fit most 2-3.5 inch FPV frames. It supports 2-6S LiPo batteries and offers flexible connectivity options.

Can this flight controller be used with DJI digital FPV systems?

Yes, the Redfox F722 A3 45A AIO FC includes a dedicated 6-PIN connector specifically for seamless integration with DJI Air Units, making it an excellent choice for digital FPV builds.

Where can I buy the Sub250 Redfox F722 A3 45A AIO FC with fast delivery?

You can order the Sub250 Redfox F722 A3 45A AIO FC from HTDRONE, a specialized FPV drone parts store based in Poland. We offer fast delivery within Poland and reliable international shipping via DHL.