F722 Mini Flight Controller

FPV Electronics > Flight Controller

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The F722 Mini Flight Controller is a high-performance flight control system designed for compact FPV drones and UAV applications.

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F722 Mini Flight Controller Technical Brief

Descriptions

The F722 Mini Flight Controller is a high-performance flight control system designed for compact FPV drones and UAV applications. Built around the STM32F722 microcontroller (ARM Cortex-M7 @ 216MHz), it delivers ultra-low latency processing and advanced flight dynamics. Featuring redundant sensors and dual BEC outputs, it is optimized for racing, cinematic filming, and long-range autonomous missions in space-constrained builds:cite[2]:cite[9].

1. Main Specifications

Component	Details
Processor	STM32F722 (Cortex-M7 @ 216MHz, Dual FPU)
Memory	512KB SRAM + 2MB Flash
IMU	ICM-42688-P (SPI, 32kHz gyro) + BMI270 (backup) :cite[2]:cite[6]
3D Magnetometer	IST8310 magnetometer
Barometer	SPL06 (Pressure precision: ±0.005 hPa) :cite[2]
Connectivity	6×UART / 8×PWM / 2×CAN FD / 1×I2C / 1×SPI
Blackbox Storage	MicroSD card (supports 16GB~128GB)
Input Voltage	3S-6S LiPo (10.8V-25.2V)
BEC Outputs	5V@3A (Switch-mode) + 9V@2A (Isolated) :cite[9]
Dimensions	30×30mm (20×20mm & 30×30mm mounting) :cite[9]
Board Weight	6.0g

2. Key Features

• 8kHz Control Loops: 125μs cycle time with hardware-accelerated filtering :cite[2]
• Redundant IMU Support: Primary ICM-42688-P + secondary BMI270 for fail-safe operation
• Dual CAN FD Buses: Enables ESC telemetry daisy-chaining (e.g., T-Motor Velox)
• Integrated OSD: AT7456E chip with customizable HUD and font support :cite[4]
• DJI Air Unit Integration: Dedicated plug-and-play port for DJI FPV systems :cite[9]
• Advanced BEC Design: MP9943-based synchronous rectifier with <100mV ripple :cite[5]
• Pit Switch Control: Remote VTx power management via transmitter :cite[9]

3. Firmware Compatibility

• ✅ Betaflight (Target: MAMBAF722) :cite[2]
• ✅ INAV 6.0 (Waypoint navigation & Lua scripts)
• ✅ EmuFlight (Performance-focused firmware)
• ✅ ArduPilot (Copter-4.3+ with limited features)

4. Typical Applications

🏁 Racing Drones:

• 3"-5" ultralight builds with 128K PWM ESCs
• Sub-250g whoop-class racers

🎥 Cinematic FPV:

• Vibration-damped cinewhoop platforms
• HD camera gimbal controllers

🛰️ Long-Range UAVs:

• Autonomous mapping drones with dual GPS
• Solar-powered reconnaissance platforms

5. Accessories Package

• 4× M3×8mm silicone shock-absorbing grommets :cite[2]
• 1× 8-pin straight-through cable (DJI Air Unit compatible)
• 1× 6-pin GPS/Compass connector cable
• 2× M2/M3 dual-pattern isolation columns
• 1× Piezo buzzer (5V)