1. 서론
This manual provides essential information for the safe and effective use of your Favourite FVT LittleBee 20A and 30A BLHeli_S Brushless Electronic Speed Controllers (ESCs). These ESCs are designed for RC drones and multicopters, offering advanced features and versatile protocol support. Please read this manual thoroughly before installation and operation.
2. 특징
- **Advanced Firmware:** Equipped with BLHeli_S Bootloader & Firmware, ensuring reliable performance and future upgradability.
- **Comprehensive Protocol Support:** Compatible with DSHOT, Oneshot125, Oneshot42, and Multshot protocols for versatile flight control integration.
- **Versatile Power Options:** Supports a wide input voltage range (2-6S Lipo for 30A, 2-4S Lipo for 20A), providing flexibility for various drone power configurations.
- **Lightweight Design:** The 20A ESC weighs approximately 4g, and the 30A ESC weighs approximately 9g (including power and signal wires), minimizing added weight to your drone for enhanced agility.
- **High-Performance Hardware:** Utilizes SILABS EFM8BB21F16 MCU running at 48MHz and Nfets for both low and high side, featuring a dedicated driver chip for very fast switching speeds.
3. 사양
3.1 LittleBee Spring 30A ESC
| 매개변수 | 값 |
|---|---|
| 입력 Voltage | 2-6S 리포 |
| BEC 출력 | 아니요 |
| 연속 전류 | 30A |
| 버스트 전류 | 35A (up to 10S) |
| 크기 | 35 x 18 x 5mm(1.4 x 0.7 x 0.2인치) |
| 무게 | 9g (including power and signal wire) |
| 지원되는 프로토콜 | Damped mode, Oneshot125, Oneshot42, Multshot |
| 메인 IC | SILABS EFM8BB21F16 (MCU run 48MHz) |
| MOSFET | Nfets (both low and high side) |
| 펌웨어 | BLHeli_S Bootloader & Firmware |
이미지: 상단 및 하단 view of the LittleBee Spring 30A ESC.
3.2 LittleBee Spring 20A ESC
| 매개변수 | 값 |
|---|---|
| 입력 Voltage | 2-4S 리포 |
| BEC 출력 | 아니요 |
| 연속 전류 | 20A |
| 버스트 전류 | 25A (up to 10S) |
| 크기 | 23 x 12 x 4mm |
| 무게 | 4g (including power and signal wire) |
| 지원되는 프로토콜 | Damped mode, Oneshot125, Oneshot42, Multshot, DSHOT |
| 메인 IC | SILABS EFM8BB21F16 (MCU run 48MHz) |
| MOSFET | Nfets (both low and high side) |
| 펌웨어 | BLHeli_S Bootloader & Firmware |
이미지: 상단 및 하단 view of the LittleBee Spring 20A ESC.
Image: LittleBee Spring 20A and 30A ESCs showing physical dimensions.
4. 설정 및 설치
Proper installation is critical for the performance and safety of your drone. Follow these steps carefully:
- **Motor Connection:** Connect the three motor wires from your brushless motor to the three larger pads/wires on the ESC. The order of these wires can affect motor rotation direction. If the motor spins in the wrong direction, you can reverse two of the motor wires or change the direction in the BLHeli_S configurator.
- **Power Connection:** Connect the red (positive) and black (negative) power wires from the ESC to your Power Distribution Board (PDB) or directly to your battery connector, ensuring correct polarity. The ESCs do not have a BEC (Battery Eliminator Circuit), so your flight controller will need a separate power source or BEC.
- **Signal Connection:** Connect the thin signal wire (usually white or yellow) from the ESC to the appropriate motor output pin on your flight controller. The ground wire (usually black) from the ESC signal cable should also be connected to a ground pin on the flight controller for a stable signal.
- **Firmware Configuration (BLHeli_S):**
- Connect your flight controller to your computer via USB.
- Open the BLHeli_S Suite or configurator software (e.g., BLHeliSuite32 or Betaflight configurator with BLHeli passthrough).
- Flash the latest BLHeli_S firmware if necessary.
- Configure ESC settings such as motor direction, DSHOT protocol, and other parameters according to your flight controller and motor setup.
- Perform motor calibration if required by your flight controller firmware (though BLHeli_S often handles this automatically with DSHOT).
Image: LittleBee Spring 30A ESC showing power (red/black) and signal (white/black) wires.
Image: LittleBee Spring 20A ESC showing power (red/black) and signal (white/black) wires.
5. 사용 설명서
Once installed and configured, the ESCs operate in conjunction with your flight controller to control motor speed and direction.
- **Power On:** Connect your Lipo battery to the drone. The ESCs will typically emit a series of beeps indicating successful power-up and motor arming sequence.
- **Arming:** Arm your drone via your remote control. Ensure propellers are removed during initial testing for safety.
- **Motor Control:** The flight controller sends commands to the ESCs via the signal wires, which then translate these commands into motor speed adjustments.
- **Flight:** Operate your drone as usual. The BLHeli_S firmware and supported protocols (DSHOT, Oneshot, Multshot) ensure precise and responsive motor control.
Safety Note: Always remove propellers before connecting a battery or performing any configuration/testing on your drone to prevent accidental injury.
6. 유지관리
To ensure longevity and optimal performance of your ESCs, consider the following maintenance tips:
- **Regular Inspection:** Periodically inspect the ESCs for any signs of physical damage, such as cracked components, frayed wires, or burnt areas.
- **Cleanliness:** Keep the ESCs free from dust, dirt, moisture, and debris. Use compressed air or a soft brush for cleaning. Avoid using liquids directly on the electronics.
- **Heat Management:** Ensure adequate airflow around the ESCs during operation to prevent overheating. Overheating can lead to reduced performance and premature failure.
- **Wire Integrity:** Check all power and signal wire connections for secure fitment and absence of damage. Loose connections can cause intermittent issues or component failure.
7. 문제 해결
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 모터가 회전하지 않거나 작동이 멈춥니다. | Incorrect motor wiring, faulty motor, ESC not calibrated, incorrect flight controller settings, desync. | Check motor wire connections. Verify ESC calibration. Ensure DSHOT/Oneshot settings are correct in flight controller. Check motor for damage. Increase D-term filtering or lower P-gains if desync is suspected. |
| ESC gets excessively hot | Overcurrent, poor airflow, motor issues, incorrect timing settings. | Ensure ESC current rating matches motor/prop combination. Improve airflow. Check motor for binding or damage. Adjust motor timing in BLHeli_S (usually 'Auto' or 'Medium' is fine). |
| ESC로부터 응답이 없습니다. | No power, faulty signal connection, damaged ESC. | 전원 연결 상태와 배터리 용량을 확인하십시오.tage. Verify signal wire connection to flight controller. Test with another ESC if possible to isolate the issue. |
| 모터가 잘못된 방향으로 회전합니다 | Incorrect motor wire order or BLHeli_S setting. | Reverse any two of the three motor wires, or change motor direction in the BLHeli_S configurator. |
8. 사용자 팁
- **Heat Shrink Protection:** Consider adding an extra layer of heat shrink tubing over the ESCs for additional protection against short circuits and environmental elements, especially if they are exposed.
- **Solder Quality:** Ensure all solder joints are clean, strong, and free of bridges. Poor soldering is a common cause of ESC issues.
- **BLHeli_S Updates:** Periodically check for updated BLHeli_S firmware. Newer versions often include performance improvements and bug fixes.
- **Testing:** Always perform a bench test with propellers removed after any changes to wiring or configuration to ensure everything is functioning correctly before flight.
9. 보증 및 지원
For warranty claims or technical support, please contact your retailer or the manufacturer directly. Keep your proof of purchase for any warranty-related inquiries. This manual is intended for informational purposes only, and the manufacturer is not responsible for any damage or injury caused by improper installation, use, or modification of the product.