Product overview
The HAKRC F7220 40A BL32 AIO combines flight-control electronics and a BLHeli_32 electronic speed controller in a compact board for FPV aircraft integration. Its 40 × 30mm footprint, 20 × 20mm mounting pattern and 10g net weight define the installation space. The electronics include an STM32F722RET6 processor, ICM42688 IMU, AT7456E OSD, integrated barometer and 16M black box. Five UARTs provide connection points for integration, while dual BEC outputs provide 5V and 10V power rails.
The board uses an eight-layer PCB with 2oz copper, 40V MOS components, an industrial-grade LDO and Japanese Murata capacitors. Input power is specified as 2S–6S LiPo, with 40A continuous current and a PWM range of 24–128K. Recommended pairings span 2004–2306 motors and D90 five-blade through T5146 three-blade propellers; these are pairing recommendations rather than supplied propulsion equipment. Ratings differ between the overview and detailed specifications: peak current is listed as 50A and 45A respectively, while BEC outputs are listed as 5V/3A and 10V/2.5A versus 5V/2.5A and 10V/2A.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity | HAKRC F7220 40A BL32 AIO |
| Size and mounting | 40 * 30mm (20mm-20mm mounting hole) |
| Packaging size | 64 * 64 * 35mm |
| Net product weight | 10g |
| Packaging weight | 44g |
| Motor | 2004-2306Recommended pairing. |
| Propeller | D90 five-blade propeller - T5146 three-blade propellerRecommended pairing. |
| CPU | STM32F722RET6 |
| IMU | ICM42688 |
| OSD | AT7456E |
| Black box | 16M |
| 5V BEC | 5V/2.5ADetailed flight-control specification. |
| 10V BEC | 10V2ADetailed flight-control specification. |
| UART count | 5 |
| Input voltage | 2S-6S Lipo |
| MOS model | 7140 |
| PWM | 24-128K |
| Continuous current | 40A |
| Peak current | 45ADetailed specification. |
| ESC architecture | BLHeli_32 ESC |
| Integrated barometer | Integrated |
| PCB construction | 8-layer PCB with 2oz copper |
| MOS voltage specification | 40V |
| LDO | Industrial-grade, high-temperature-resistant LDO |
| Capacitors | Japanese Murata capacitors |
| Alternative BEC ratings | 5V/3A; 10V/2.5AProduct overview specification. |
| Alternative peak current rating | 50AProduct overview specification. |
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