Pixhack V5 is an advanced autopilot designed and made by CUAV. The board is based on the Pixhawk-project FMUv5 open hardware design. It runs PX4 on the NuttX OS, and is fully compatible with PX4 firmware. It is intended primarily for academic and commercial developers.
New V5 Core Platform
The Pixhack V5 Autopilot adopts brand new V5 Core platform.The core part of the flight control is integrated on the V5 core. The lower plate is detachable and serves only as an external interface carrier, giving consumers a customized space. Users can design their own lower plate according to their own needs.
New Open Source Hardware Design
Pixhack V5 AutoPilot is a new high-performance flight control system based on FMU V5 open source hardware. FMU v5 open source hardware features more advanced processors than FMU V3, larger flash and RAM, and more stable and reliable sensors.
In terms of hardware configuration, V5 AutoPilot abandoned the original STM32F427 processor of the px4 family and selected a more advanced STM32F765 processor with a clock speed of 216MHZ and 2MB FLASH/512K RAM, higher frequency and larger RAM. The speed will be greatly improved.
More Stable Sensor
The same as pixhack v3, Pixhack V5 adopts a three-degree redundant imu, but it uses a more stable sensor such as ICM-20602/ICM-20689/BMI055/IST8310 to improve its adaptability at different temperatures.
·32-bit ARM Cortex M7 core with DPFPU
·216 Mhz/512 KB RAM/2 MB Flash
·InvenSense ICM20689 accelerometer / gyroscope
·Bosch BMI055 accelerometer / gyroscope
·Operating power: 4.3~5.4V
·USB Input: 4.75~5.25V
·High-power servo rail, up to 36V (servo rail does not power the flight controller)
·Dual voltage and current monitor inputs
·Pixhack V5 can be triple redundant if power is provided to both battery monitor inputs and the USB port
·6 IOMCU PWM servo outputs
·8 FMU PWM outputs (D-Shot capable)
·3 dedicated PWM/Capture inputs on FMU
·S.Bus servo output
·R/C inputs for CPPM, DSM and S.Bus
·Analogue / PWM RSSI input
·5x general purpose serial ports
·4x I2C ports
·4x SPI buses enabled
·2x CAN Bus ports
·Dimensions: 44mm x 84mm x 12mm
·Operating temperature: -20 ~ 80°c（Measured value）
V5 AutoPilot can be triple-redundant on the power supply if three power sources are supplied. The three power rails are: POWER1, POWER2 and USB.
The output power rails FMU PWM OUT and I/O PWM OUT (0V to 36V) do not power the flight controller board (and are not powered by it). You must supply power to one of POWER1, POWER2 or USB or the board will be unpowered.
Normal Operation Maximum Ratings
Under these conditions all power sources will be used in this order to power the system:
POWER1 and POWER2 inputs (4.3V to 5.4V)
USB input (4.75V to 5.25V)
Building PX4 Firmware
make px4fmu-v5_default upload
./waf configure --board fmuv5 ./waf copter --upload
The system's serial console and SWD interface operate on the FMU Debug port. Simply connect the FTDI cable to the Debug & F7 SWD connector. To access the I/O Debug port, the user must remove the V5-AutoPilot shell. Both ports have standard serial pins and can be connected to a standard FTDI cable (3.3V, but 5V tolerant).