Overview
The MAD AM32 70A 3-12S 4-in-1 ESC is a high-performance electronic speed controller (ESC) designed for FPV drones, UAVs, and high-power applications. Featuring Infineon aviation-grade MOSFETs, a high-capacity MLCC capacitor, and an advanced STM32L431/432 Cortex-M4 processor, this ESC provides superior heat dissipation, high efficiency, and strong overcurrent protection. Supporting 3S-12S LiPo input voltage and BLHeli_32 firmware, it delivers real-time monitoring of current and voltage, ensuring stable and precise motor control.
Key Features
- 4-in-1 ESC Design – Compact integration of four ESC circuits, each supporting 70A continuous current, providing efficient and powerful motor control.
- Wide Input Voltage Range – Supports 3S-12S LiPo, accommodating various drone power setups.
- Infineon Aviation-Grade MOSFETs – Ensures efficient heat dissipation, high durability, and strong overcurrent protection.
- Real-Time Monitoring – Provides individual current and voltage monitoring for each circuit, enhancing system diagnostics and safety.
- Firmware Upgrade Support – Features online firmware update capability, allowing seamless updates for optimized performance.
- High-Capacity MLCC Capacitor – Imported TDK MLCC capacitor enhances voltage stability and system reliability.
- STM32L431/432 Cortex-M4 Processor – Delivers faster computation speed, improving motor response and efficiency.
- Wide Protocol Compatibility – Supports PWM, DShot150/300/600/1200, Oneshot125/42, and Multishot for seamless integration with various flight controllers.
- 30.5mm Mounting Spacing – Compatible with standard drone frames, ensuring easy installation.
- Gold-Plated PCB for Enhanced Connectivity – Provides stable signal transmission and low resistance.
Technical Specifications
| Product Name | AM32 70A 3-12S 4-in-1 ESC |
|---|---|
| Input Voltage | 3S-12S LiPo |
| Continuous Current (Per Circuit) | 70A |
| Processor | STM32L431/432 Cortex-M4 Kernel |
| Firmware | BLHeli_32 |
| Size | 40×43×7mm |
| Mounting Hole Spacing | 30.5mm |
| Weight | 14.2g (Excluding wiring) |
| Supported Protocols | PWM, DShot150/300/600/1200, Oneshot125/42, Multishot |
Wiring & Connection
- 4-in-1 ESC Board – Designed for quadcopters with four independent motor connections.
- Power Input – BAT+ (Battery Positive) and GND (Ground) terminals for direct power supply.
- Motor Output Terminals – M1, M2, M3, M4 for quadcopter motor connections.
- Signal Interface – Supports ESC PWM Signal, ESC Data Cable, and Power Cable connections.
Product Applications
- FPV Racing Drones
- Freestyle Quadcopter Drones
- Cinematic & Long-Range UAVs
- Commercial & Industrial Drones
- High-Power Custom UAV Projects
Details




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