Flight Controller F405-VTOL
1. Product Summary
1.1. Product Description
The Matek Systems F405-VTOL Flight Controller is a professional, high-performance flight controller designed for vertical takeoff and landing (VTOL) and hybrid fixed-wing aircraft. It integrates a STM32F405RGT6 MCU running at 168 MHz, high-precision sensors, and a built-in power distribution board (PDB) with a current sensor rated up to 100 A continuous (220 A peak). Supporting ArduPilot and INAV firmware, the F405-VTOL offers advanced servo/motor management, telemetry monitoring, and multiple BEC outputs for flexible UAV design.
1.2. Product Features
- MCU: STM32F405RGT6, ARM Cortex-M4, 168 MHz clock speed.
- IMU: High-precision gyro/accelerometer (ICM42688-P).
- Barometer: SPL06-001 digital air pressure sensor.
- Input Voltage: 6.8 V – 30 V (2S – 6S LiPo).
- Integrated PDB: Built-in power distribution with current sensing up to 100 A continuous / 220 A burst.
- BEC Outputs:
- 5 V @ 2 A for FC and peripherals,
- Vx rail (servo output) 8 A continuous / 10 A peak with selectable 5 V / 6 V / 7.2 V,
- 9 V / 12 V BEC for camera or VTX modules.
- Mounting Options: Dual 25 × 25 mm (Φ2 mm) and 35 × 35 mm (Φ4 mm) hole patterns.
- PWM Outputs: 12 channels for ESC and servo control.
- UART Ports: 6 UARTs + I²C bus + 4 × ADC inputs.
- MicroSD: Integrated BlackBox data logging slot.
- Camera Inputs: Dual (C1 / C2) switchable video channels.
- Firmware Support: ArduPilot (MatekF405-TE) and INAV firmware targets.
- Weight: ≈ 25 g (with USB adapter); Dimensions: ≈ 45 × 42 × 15 mm.
1.3. Applications
- VTOL Aircraft: Vertical takeoff and landing fixed-wing UAVs and hybrid drones.
- Mapping & Surveying: High-power platforms requiring reliable telemetry and dual BEC outputs.
- FPV Systems: Dual-camera FPV and long-range UAVs.
- Industrial / R&D: UAV experimentation using ArduPilot and INAV for advanced flight control.
2. Technical Specifications
Table 2-1. F405-VTOL System Specifications
| Manufacturer | Matek Systems |
| Model | F405-VTOL Flight Controller |
| Microcontroller | STM32F405RGT6 (168 MHz ARM Cortex-M4) |
| Barometer | SPL06-001 Digital Pressure Sensor |
| Input Voltage Range | 6.8 V ~ 30 V (2S – 6S LiPo) |
| Current Sensor | 100 A continuous / 220 A peak (PDB integrated) |
| 5 V BEC Output | 5 V @ 2 A (for FC & peripherals) |
| Vx Servo Rail BEC | Selectable 5 V / 6 V / 7.2 V @ 8 A cont / 10 A peak |
| Video BEC Output | 9 V / 12 V selectable for camera / VTX |
| PWM Outputs | 12 channels (motors + servos) |
| UART Ports | 6 × UART interfaces |
| I²C Bus | 1 × I²C port for external sensors |
| MicroSD Slot | Yes – for BlackBox logging |
| Mounting Patterns | 25×25 mm (Φ2 mm) / 35×35 mm (Φ4 mm) |
| Dimensions | ≈ 45 × 42 × 15 mm |
| Weight | ≈ 25 g (with USB adapter) |
| Firmware Compatibility | ArduPilot, INAV |
3. Electrical Characteristics
Table 3-1. Electrical Parameters
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage | 6.8 | 12 | 30 | V |
| 5 V BEC Output | 4.8 | 5.0 | 5.2 | V |
| Servo Rail (Vx) | 5.0 | 6.0 | 7.2 | V |
| Continuous Current (Vx) | – | 8.0 | 10.0 | A |
| Operating Temperature | -20 | 25 | 80 | °C |
4. Integration & Usage Notes
- Supports ArduPilot target
MatekF405-TEand INAV firmware. - Ensure adequate power margin for the Vx servo rail; supply voltage must exceed output by ≥ 1 V.
- Dual camera inputs (C1/C2) allow FPV and mapping camera switching.
- Mount using either 25×25 mm or 35×35 mm pattern depending on airframe size.
- BlackBox logging supported via microSD for diagnostics and tuning.
- For INAV users: VTOL flight mode is not fully supported — use as standard fixed-wing controller.
5. Environmental Conditions
Table 5-1. Environmental Ratings
| Operating Temperature Range | -20 °C ~ +80 °C |
| Storage Temperature Range | -40 °C ~ +90 °C |
| Humidity Range | 5 % ~ 95 % (non-condensing) |
6. Precautions
- Do not exceed 6S LiPo voltage (30 V max).
- Verify power polarity before connecting battery.
- Ensure adequate cooling for high-current applications.
- Keep IMU area isolated from vibration and electromagnetic interference.
- Perform sensor and ESC calibration in firmware after installation.
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