Description
Overview
The MAD AMPX 120A HV ESC is a high-performance electronic speed controller (ESC) designed for 12-24S lithium battery systems. It supports a continuous current of 120A and features IPX4 protection. making it suitable for demanding UAV applications. The ESC is equipped with CAN communication. ensuring real-time data transmission and compatibility with flight controllers. With its synchronous freewheeling technology. it enhances throttle linearity. efficiency. and automatic energy recovery.
Key Features
- Dual throttle control: Supports CAN digital throttle and PWM analog throttle. prioritizing CAN throttle for precise control.
- Fast response time: Accelerates from start to full speed in just 0.60 seconds.
- Optimized for disc motors: Uses a specialized control algorithm for improved stability and performance.
- Automatic energy recovery: Enhances efficiency when reducing motor speed.
- Real-time communication: CAN interface enables seamless integration with flight controllers.
- Compact and easy to install: Conveniently placed screw holes for flexible mounting.
- Fully isolated control signals: Improves safety and reliability by separating control signals and power supply.
Protection Functions
- Short Circuit Protection: Automatically shuts down the output when a short circuit is detected. restoring operation after 100ms.
- Stall Protection: Resets throttle if a motor stall is detected and gradually restores normal operation.
- Voltage Protection: Issues an alarm if input voltage falls below 40V or exceeds 105V.
- Temperature Protection: Reduces output when ESC temperature exceeds 125°C. shutting down at 140°C and recovering at 80°C.
- Throttle Loss Protection: Cuts power if no throttle signal is received for more than 2 seconds. restoring it when the signal returns.
- Startup Protection: Prevents immediate motor shutdown if it fails to restart within 10 seconds.
Technical Specifications
| Parameter | Details |
|---|---|
| Model | MAD AMPX 120A HV ESC |
| Supported Battery | 12-24S Lithium |
| Continuous Current | 120A |
| Current Limit | 120A |
| BEC Output | 5V/200mA |
| PWM Input Voltage | 3.3V/5V (compatible) |
| Protection Level | IPX4 |
| Dimensions (LWH) | 117.5 * 56.3 * 42.8mm |
| Weight (excluding wires) | ~315g |
| Operating Temperature | -20°C to 65°C |
| Wire Length | 8AWG (Power: 190mm. Motor: 170mm). Signal: 420mm |
ESC Connection & Wiring
- Black Wire: Ground
- White Wire: Throttle Signal
- Yellow Wire: Fault Signal
- Blue Wire: RPM Signal
- Red Wire: CANH
- Green Wire: CANL
Troubleshooting Guide
| Issue | Alarm | Cause | Solution |
|---|---|---|---|
| Motor won’t start | Beeping sound | Throttle is not at zero | Adjust throttle to minimum |
| No motor response | Beep every second | No throttle signal from receiver | Check receiver and connections |
| Low voltage warning | Beep. beep… | Battery voltage below 40V | Use a fully charged battery |
| High voltage warning | Beep. beep… | Battery voltage exceeds 105V | Use an appropriate battery |
| Overheating | Rapid beeping | ESC temperature exceeds 125°C | Allow cooling before operation |
| Overload | Continuous beeping | Motor overload | Use a properly sized propeller |
PPG Version (V3.0) Features
The V3.0 version includes a brake function and compatibility with a PPG Controller. displaying parameters such as voltage. current. power. ESC temperature. and flight altitude. Recommended PPG power combos include:
- AMPX 150A (12-24S) V3.0 with V135 35KV motor and 51X24 propeller (Max Thrust: 60kg).
- AMPX 200A (12-24S) V3.0 with M40C30 50KV motor and 47X13 propeller (Max Thrust: 70kg).
- AMPX 300A (12-24S) V3.0 with M50C35 40KV motor and 57X19 propeller (Max Thrust: 90kg).
Price & Variants
- Version V2.0 (CAN & BEC included) – $399.00
- Version V3.0 (With PPG) – Available with additional functionalities.
Safety & Compliance
- Follow local laws and regulations for drone operation.
- Avoid close contact with high-speed propellers.
- Ensure all components are securely installed before flight.
AMPX 120A V2 ESC supports dual throttle control. quick response. and various protections like short circuit. stall. voltage. temperature. throttle loss. and startup. It features CAN communication. screw holes for easy installation. and isolated signal/power supply for safety.
AMPX 120A HV ESC supports 12-24S lithium cells. with dimensions 117.5×56.3×42.8mm and weighs approximately 315g. It features online updates. various protections. CAN communication. and operates between -20°C to 65°C. Troubleshooting covers motor start issues. voltage problems. and overheating solutions. Disclaimer advises legal use and safety precautions.
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