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Flight Controller F405-SE
Brand: Matek
Product Code: F405-SE
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Flight Controller F405-SE
Description
1. Product Summary
1.1. Product Description
The Matek Systems F405-SE is a reliable and feature-rich flight controller designed for fixed-wing aircraft, multirotors, and UAV platforms. It is based on the STM32F405RGT6 MCU running at 168 MHz and features a built-in DPS310 barometer and integrated current sensor. Supporting both ArduPilot and INAV firmware, the F405-SE provides stable performance, wide voltage input (6 V ~ 36 V), and flexible connectivity through multiple UART and PWM outputs — making it ideal for mid-size UAV applications.
1.2. Product Features
- MCU: STM32F405RGT6 ARM Cortex-M4, 168 MHz clock speed.
- Barometer: DPS310 for accurate altitude and air pressure measurement.
- Input Voltage: 6 V – 36 V (2S – 8S LiPo compatible).
- BEC Output: 5 V @ 2 A for FC and peripherals.
- Servo BEC (Vx): 5 A, configurable to 5 V or 6 V (WSE version includes 8 V @ 1.5 A).
- Interfaces: 6 UARTs, 2 I²C buses for sensors and GPS modules.
- PWM Outputs: 10 PWM channels (including LED pad as PWM10).
- Firmware Compatibility: ArduPilot (Target: MATEKF405-SE), INAV.
- Current Sensor: Integrated, calibrated up to 184 A.
- Mounting Pattern: 30.5 × 30.5 mm (Ø4 mm holes, Ø3 mm grommets).
- Dimensions: 46 × 36 mm; Weight: ≈ 10 g.
1.3. Applications
- Fixed-Wing UAVs: Suitable for medium and long-range wings.
- VTOL / Multirotor Systems: Stable control and redundant sensor support.
- Mapping & Survey Drones: Reliable telemetry and power measurement.
- Educational Platforms: Compatible with ArduPilot for development and testing.
2. Technical Specifications
Table 2-1. F405-SE System Specifications
| Manufacturer | Matek Systems |
| Model | F405-SE Flight Controller |
| Microcontroller | STM32F405RGT6, 168 MHz ARM Cortex-M4 |
| Barometer | DPS310 |
| Input Voltage Range | 6 V ~ 36 V (2S–8S LiPo) |
| BEC Output (FC) | 5 V @ 2 A |
| Servo BEC Output | 5 A @ 5 V / 6 V selectable |
| Additional BEC (WSE) | 8 V @ 1.5 A |
| Current Sensor | Integrated up to 184 A |
| UART Ports | 6 total (UART1–6) |
| I²C Buses | 2 |
| PWM Outputs | 10 channels (including LED pad as PWM10) |
| Firmware Compatibility | ArduPilot (MATEKF405-SE / WSE), INAV |
| Dimensions | 46 × 36 mm |
| Mounting Pattern | 30.5 × 30.5 mm (Ø4 mm / Ø3 mm grommets) |
| Weight | ≈ 10 g |
3. Electrical Characteristics
Table 3-1. Electrical Parameters
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage | 6 | 12 | 36 | V |
| 5 V BEC Output | 4.8 | 5.0 | 5.2 | V |
| Servo BEC Output | 5.0 | 6.0 | 6.2 | V |
| Continuous Current | – | 2.0 | 5.0 | A |
| Operating Temperature | -20 | 25 | 80 | °C |
4. Integration & Usage Notes
- Use the firmware target
MatekF405-SEorMatekF405-WSEin ArduPilot. - Ensure correct current sensor calibration (e.g.,
BATT_AMP_PERVLTsetting in ArduPilot). - Supports RC input protocols: PWM, PPM, SBUS, and CRSF via UART mapping.
- Mount the controller on vibration-dampening pads for improved sensor accuracy.
- Check that BEC voltage matches servo and receiver requirements before powering on.
- Wide voltage range (6–36 V) allows flexible power supply design for 2S–8S aircraft.
5. Environmental Conditions
Table 5-1. Environmental Ratings
| Operating Temperature | -20 °C ~ +80 °C |
| Storage Temperature | -40 °C ~ +90 °C |
| Humidity | 5 % ~ 95 % (non-condensing) |
6. Precautions
- Do not exceed 36 V input voltage on VBAT input.
- Always verify polarity before connecting LiPo battery.
- Use protective fuses or distribution boards for high-current applications.
- Ensure correct UART wiring for GPS, telemetry, and RC links.
- Avoid powering via USB and VBAT simultaneously without proper grounding.
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