H7A3-WING Flight Controller

MCU: STM32H7A3RIT6, 280MHz Cortex-M7, 1.4MB RAM, 2MB Flash

IMU: ICM42688P

Baro: SPL06-001

OSD: AT7456E

Blackbox: MicroSD socket

Port:

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)

- I2C digital power monitor

- 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