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Matek H7A3-WING Flight Controller
Specifications
- MCU: STM32H7A3RIT6, 280MHz Cortex-M7, 1.4MB RAM, 2MB Flash
- IMU: ICM42688P
- Baro: SPL06-001
- OSD: AT7456E
- Blackbox: MicroSD socket
- I2C digital power monitor
- 6x Uarts (1,2,3,4, 5, 6) with built-in inversion.
- 11x PWM outputs
- 1x I2C
- 1x CAN
- 4x ADC (VBAT, Current, VB2, Cur2)
- 3x LEDs for FC STATUS (Blue, Red) and 3.3V indicator(Red)
- USB/Beep Extender with Type-C(USB2.0)
- 2x JST-GH1.25_4pin connector for CAN and I2C
- 9V/12V output ON/OFF switchable
- Digital video OSD is supported by any spare UART
Regulators
- Vbat Input: 9~30V (3~6S LiPo)
- BEC 5V/4v5: 2.5A cont. /3A peak
- BEC 9V/12V: 2A cont. /3A peak
- BEC Vx: 8A cont. /12A Peak, output 5V Default, 6V or 7.2V option.
- LDO 3.3V: Max.200mA
I2C digital power monitor
- No calibration required.
- Current sensing resistor: 0.00025 ohm
- Load current on current sensing resistor: 100A(Continuous), 164A(Burst)
- Voltage accuracy: ± 0.1%
- Current accuracy: ± 2%
- INA2xx I2C address: 0x45 (69)
- Parameters
- BATT_MONITOR ->21 (INA2xx)
- BATT_SHUNT -> 0.00025
- BATT_MAX_AMPS -> 164
- BATT_I2C_BUS -> 0 default
- BATT_I2C_ADDR -> 0 default (or 69)
FC Firmware
- ArduPilot: MATEKH7A3 (4.6 or newer)
- ArduPlane https://firmware.ardupilot.org/Plane/beta/MatekH7A3/
- ArduCopter https://firmware.ardupilot.org/Copter/beta/MatekH7A3/
- Flashing with STM32CubeProgrammer
Physical
- Mounting: 30.5 x 30.5mm, Φ4mm with Grommets Φ3mm
- Dimensions: 54 x 36 x 13 mm
- Weight: 30g with USB extender
Including
- 1x H7A3-WING
- 1x USB(Type-C)/Beep (Passive buzzer) Extender with 6pin cable
- 1x 20cm JST-SH-6P to JST-SH-6P cable for USB extender.
- 2x 20cm JST-GH-4P to JST-GH-4P cable for CAN & I2C port
- 1x Rubycon ZLH 35V 470uF capacitor
- Dupont 2.54 pins (Board is shipped unsoldered)
