Holybro FETTEC FC-G4 Stacks
Updated:
New
Rev1.7 recommendation method: https://gui.fettec.net/FC/index.html
Characteristics
Holybro FETtec FC G4 features the latest STM32 G4 MCU with math accelerator for maximum in-flight performance, integrated OSD for KISS flight adjustment, 2 dedicated BECs for 5V and 16V switchable power, DSHOT2400 outputs to support a maximum of 8 motors and dual 20x20 and 30x30 mounting holes.
Currently, Holybro Fettec FC G4 does not support BLHeli_32 ESC configuration via FC Passthrough and BLHeli_32 ESC current telemetry/readout. A Betaflight flight controller is required to configure the BLHeli32 ESC setting.
FC specifications
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Latest STM32G4 processor
- 180 Mhz + math accelerator
- IIM-42652 SPI gyroscope
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Supply voltage 6-27V (2S-6S Lipo)
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2x dedicated onboard BECs (2A each)
- 5V BEC for RX
- BEC 5V/16V for VTX (Pit switchable and real*)
- Improved I/O protection
- All microcontroller IO, for example in connectors or solder pads, are protected from voltage or current spikes
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2x 8-pin connectors for solderless ESC connection
- Connector 1: ESC 1-4 signal, telemetry, VCC, GND
- Connector 2: ESC signal 5-8 (depending on UAV type 1-4), telemetry, VCC, GND
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1x 8 pin connector for solderless VTX, cam connection and OSD or digital systems
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real pit* VCC, GND, video in, video out, BEC 5V/16V, VCS/TX3, RX3
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2 6-pin serial connectors
- RX1, TX1, 3.3V, VCC, 5V, GND
- RX3, VCS/TX3, RGB LED, VCC, 5V, GND
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1x 4-pin receiver connector
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Signal, TLM, 5V, GND
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5 UART serials
- UART 1 free
- UART 2 used for the receiver
- Free UART 3
- Free UART4
- UART 5 used for ESC/TLM/Onewire
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4 ESC (signal/GND) solder pads in each corner
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Buzzer pads
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4 small RGB LEDs (color selectable)
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ESC protocols supported
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PWM, Oneshot125, Oneshot42, Dshot150/300/600/1200/2400, FETtec Onewire
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- FETtec Alpha FC Firmware (Flashable KISS FC Firmware)
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Connector Type: JST-SH-1mm
*Real Pit-Mode: One remote switchable power pin
FC PIN MAP
ESC Tekko32 F4 4in1 50A
ESC features
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New and faster F4 MCU at 150Mhz (compared to F3 at 108Mhz and F0 at 48Mhz)
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PWM output up to 96K (default 48K)
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Separate drive and control circuit, expands the current capacity of the drive circuit while reducing electrical interference on the control circuit.
ESC specifications
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Continuous current: 50A x4
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Burst current: 60A x4
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Support 4-6S battery
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Supports DShot 150/300/600/1200 and MultiShot/OneShot/Proshot/PWM etc.
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ESC telemetry supported
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Integrated analog current sensor
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No BEC outgoing
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BLHeli_32 firmware
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1000uf 35v capacitor included (highly recommended for 6s setup)
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Dimensions: 45x37x6 mm / Weight: 13.8 g
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Mounting Holes: M4 30.5×30.5mm (M3 eyelets included)
MAP PIN EXC
The package includes
- 1x FETTEC FC G4 STACK
- 1x electrolytic capacitor: 1000uF 35v
- 1x JST SH1.0 8Pin to 8Pin 25mm Cable
- 1x JST SH1.0 8Pin to 65mm Cable
- 1 x JST SH1.0 8 Pin 100mm Cable
- 1x JST SH1.0 6 Pin 100mm Cable
Manual
Holybro FETtec FC G4 manual
Tekko32 F4 4in1 ESC(50A)SPEC
Some suggestions
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