MATEK SYSTEMS - Flight Controller H7A3-SLIM

Specification:

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

• IMU: ICM42688P

• Baro: SPL06-001

• OSD: AT7456E

• Blackbox: 128MB Flash (1G-bit NAND)

• 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 Type-C(USB2.0)

• 8x PWM outputs on 2x JST-SH1.0_8pin connector for 2x 4in1 ESC

• 1x JST-GH1.25_4pin connector (5V/CAN-H/CAN-L/G)

• 9V output ON/OFF switchable

• Digital video OSD is supported by any spare UART

Power

• Vbat Input: 6~36V (2~8S LiPo)

• BEC: 5V 2A cont. (Max.3A)

• BEC: 9V 2A cont. (Max.3A)

• LDO 3.3V: Max.200mA

• No Current Sensor built-in

• ADC VB2 pad supports Max. 69V (voltage divider: 1K:20K)

FC Firmware

• ArduPilot: MATEKH7A3 (4.6 or newer)

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

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

• Flashing with STM32CubeProgrammer

Physical

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

• Dimensions: 36 x 36 x 5 mm

• Weight: 7g

• 3D step  H7A3-SLIM_step.zip

Package contains:

• 1x H7A3-SLIM

• 6x Silicon grommets M4 to M3

• 2x JST-SH1.0_8pin cable, 5cm,  & 8pin connectors

• 1x JST-GH-4P to JST-GH-4P cable for CAN port, 20cm