Flight Control & ESC
- MCUs — STM32F4/F7 for Betaflight/INAV
- Gate Drivers — TI DRV for BLDC motor control
- MOSFETs — Low RDS(on) for high-current ESCs
- Current Sense — INA199 for real-time monitoring
- Voltage Regulators — TLV757 for MCU power
FPV Systems
Electronic components for FPV drone platforms
Racing, tactical, and industrial FPV drones with extreme power density and sub-20ms latency.
Subsystem Components
Key component categories by subsystem
Video Link
- RF Transceivers — AD9361 for digital video
- Video Amplifiers — for analog FPV camera
- Oscillators — low-phase-noise for clean carrier
- Bandpass Filters — for interference rejection
- Antenna Switches — Skyworks for TX/RX switching
Power & Protection
- Buck Converters — TPS5430 for 5V/3.3V rails
- TVS Arrays — Littelfuse for USB/video ESD
- Ferrite Beads — Murata for power filtering
- Battery Connectors — high-current rated
- Voltage Detectors — for low-battery warnings
Design Requirements
Key engineering requirements
- Extreme power density — Sub-250g airframes need compact components
- Low latency — Video link must support sub-20ms delay
- High current — 4-in-1 ESCs handle 30A+ per motor
- Vibration resistance — Must withstand motor vibration
- Wide input — 2S-6S LiPo support (7.4V-25.2V)
Typical BOM
Component mapping by subsystem
| Subsystem | Key Components | Brands |
|---|---|---|
| Flight Controller | MCU, gyro, barometer, voltage reg, OSD | STM, TI, Bosch |
| 4-in-1 ESC | Gate driver, MOSFETs, current sense, MCU | TI, ST, Infineon |
| VTX Module | RF transceiver, PA, oscillator, filter | ADI, Skyworks |
| Receiver | RF front-end, MCU, antenna switch | TI, Skyworks |
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