MATEK H7A3-WING Flight Controller, 3-8S F7 FC with OSD & MicroSD, for RC FPV Drone Airplane Fixed-Wing Multirotor

Description

Specifications

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

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• IMU: ICM42688P

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• Baro: SPL06-001

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• OSD: AT7456E

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• Blackbox: MicroSD socket

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• I2C digital power monitor

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• 6x Uarts (1,2,3,4, 5, 6) with built-in inversion.

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• 11x PWM outputs

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• 1x I2C

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• 1x CAN

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• 4x ADC (VBAT, Current, VB2, Cur2)

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• 3x LEDs for FC STATUS (Blue, Red) and 3.3V indicator(Red)

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• USB/Beep Extender with Type-C(USB2.0)

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• 2x JST-GH1.25_4pin connector for CAN and I2C

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• 9V/12V output ON/OFF switchable

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• Digital video OSD is supported by any spare UART

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Regulators

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• Vbat Input: 9~30V (3~6S LiPo)

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• BEC 5V/4v5: 2.5A cont. /3A peak

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• BEC 9V/12V: 2A cont. /3A peak

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• BEC Vx: 8A cont. /12A Peak,  output 5V Default, 6V or 7.2V option.

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• LDO 3.3V: Max.200mA

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I2C digital power monitor

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• No calibration required.

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• Current sensing resistor: 0.00025 ohm

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• Load current on current sensing resistor:  100A(Continuous),  164A(Burst)

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• Voltage accuracy: ± 0.1%

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• Current accuracy: ± 2%

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• INA2xx I2C address:  0x45 (69)

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  Parameters

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  • BATT_MONITOR  ->21 (INA2xx)

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  • BATT_SHUNT   -> 0.00025

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  • BATT_MAX_AMPS  -> 164

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  • BATT_I2C_BUS   -> 0 default

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  • BATT_I2C_ADDR -> 0 default (or 69)

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FC Firmware

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• ArduPilot: MATEKH7A3 (4.6 or newer)

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• ArduPlane https://firmware.ardupilot.org/Plane/beta/MatekH7A3/

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• ArduCopter https://firmware.ardupilot.org/Copter/beta/MatekH7A3/

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• Flashing with STM32CubeProgrammer

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Physical

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• Mounting: 30.5 x 30.5mm, Φ4mm with Grommets Φ3mm

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• Dimensions: 54 x 36 x 13 mm

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• Weight: 30g with USB extender

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Including

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• 1x H7A3-WING

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• 1x USB(Type-C)/Beep (Passive buzzer) Extender with 6pin cable

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• 1x 20cm JST-SH-6P to JST-SH-6P cable for USB extender.

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• 2x 20cm JST-GH-4P to JST-GH-4P cable for CAN & I2C port

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• 1x Rubycon ZLH 35V 470uF capacitor

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• Dupont 2.54 pins  (Board is shipped unsoldered)

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