Matek H7A3-WING Flight Controller

Matek H7A3-WING Flight ControllerSpecifications 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

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

12C 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

Includes

• 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)

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