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Flight Controller H743-WLITE
Brand: Matek
Product Code: H743-WLITE
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Flight Controller H743-WLITE
Description
1. Product Summary
1.1. Product Description
The Matek Systems H743-WLITE is a compact and high-performance flight controller designed for fixed-wing, VTOL, and large UAV aircraft. It is based on the STM32H743VIH6 480 MHz microcontroller and integrates IMU ICM42688-P and DPS310 barometer. This controller supports advanced flight stacks such as ArduPilot and INAV, making it suitable for both hobbyist and professional applications. The WLITE version includes a built-in Power Distribution Board (PDB) and current sensor for simplified installation and power monitoring.
1.2. Product Features
- MCU: STM32H743VIH6, 480 MHz, H7-series microcontroller with 2 MB Flash memory.
- IMU Sensor: ICM42688-P high-precision gyro and accelerometer.
- Barometer: Infineon DPS310 digital pressure sensor.
- Integrated OSD: AT7456E on-screen display chip.
- Storage: microSD slot for BlackBox logging.
- Interfaces: 7× UART, 2× I²C, 1× CAN bus, 6× ADC inputs.
- PWM Outputs: Up to 12 or 13 channels (12 PWM + 1 LED).
- Power Input: 6.8 V ~ 30 V (2S–6S LiPo) with TVS protection.
- Current Sensor: 90 A continuous / 220 A peak via integrated shunt ≈ 0.3 mΩ.
- Firmware Compatibility: Fully compatible with ArduPilot (MATEKH743) and INAV.
1.3. Applications
- Fixed-Wing Aircraft: Long-range FPV and autonomous mapping platforms.
- VTOL / Hybrid Systems: Vertical takeoff aircraft with multiple servo outputs.
- Survey / Industrial Drones: UAVs requiring reliable high-current PDB and telemetry.
- Research Platforms: Projects requiring multiple sensors, UARTs, and CAN peripherals.
2. Technical Specifications
Table 2-1. H743-WLITE Technical Specifications
| Manufacturer | Matek Systems |
| Model | H743-WLITE Flight Controller |
| MCU | STM32H743VIH6 (480 MHz, H7 series, 2 MB Flash) |
| IMU | ICM42688-P |
| Barometer | DPS310 |
| OSD | AT7456E Integrated On-Screen Display |
| UART Ports | 7 (UART1–8 depending on mapping) |
| I²C Buses | 2 |
| CAN Bus | 1 |
| PWM Outputs | 12 or 13 (12 PWM + LED pad) |
| ADC Inputs | 6 (VBAT, Current, RSSI, Airspeed, VB2, CU2) |
| Input Voltage Range | 6.8 V ~ 30 V (2S ~ 6S LiPo) |
| Current Sensor | 90 A continuous / 220 A peak (shunt ≈ 0.3 mΩ) |
| Power Outputs | 5 V / 9 V / 12 V / Vx BEC channels (2 ~ 8 A depending on rail) |
| Dimensions | 44 × 29 × 14.5 mm (integrated PDB version) |
| Weight | ≈ 22 g (with USB adapter and buzzer) |
| Firmware | ArduPilot / INAV (“MATEKH743” target) |
3. Electrical Characteristics
Table 3-1. Electrical Parameters
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage | 6.8 | 12 | 30 | V |
| Continuous Current (PDB) | – | 90 | – | A |
| Peak Current (PDB) | – | – | 220 | A |
| 5 V BEC Output | 4.8 | 5.0 | 5.2 | V |
| 9 V BEC Output | 8.8 | 9.0 | 9.3 | V |
| 12 V BEC Output | 11.8 | 12.0 | 12.3 | V |
| Operating Temperature | -20 | 25 | 80 | °C |
4. Integration & Usage Notes
- Supports dual-camera switching (C1/C2) for FPV and navigation views.
- Compatible with INAV and ArduPilot firmware – select “MATEKH743” target.
- Use UARTs for telemetry, GPS, SBUS, CRSF, and airspeed sensor connections.
- Voltage and current scaling: voltage divider 1 kΩ:20 kΩ (≈2100 scale), current sensor ≈66.7 A/V.
- Mount away from ESCs or high EMI sources for best IMU stability.
- Verify input voltage is ≥ Vx output + 1 V when driving servos from Vx BEC.
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
- Check polarity before power connection to avoid damage.
- Do not exceed 6S LiPo input or 30 V limit.
- Use high-quality BEC or power module for clean power supply.
- Separate signal and power wiring to minimize EMI interference.
- Use dampers to reduce vibration impact on IMU performance.
- Verify firmware target (H743) before flashing to avoid boot issues.
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