MAD AM32 70A 3-8S 4in1 Drone ESC

Overview

The MAD AM32 70A 3-8S 4-in-1 ESC is a high-performance electronic speed controller designed for FPV racing drones, freestyle quads, and cinematic UAVs. Featuring Infineon aviation-grade MOSFETs, high-voltage TDK MLCC capacitors, and a powerful STM32L431 M4 kernel processor, this ESC delivers efficient heat dissipation, rapid motor response, and superior power stability. With real-time current monitoring and online firmware upgrades, the AM32 70A provides professional-level performance and reliability for 3S to 8S LiPo-powered drones.

Key Features

• Supports 3-8S LiPo Batteries – Wide voltage compatibility for versatile drone setups.
• 70A Continuous Current Per ESC Circuit – Reliable high-current handling for demanding flights.
• BLHeli-32 Firmware – Advanced ESC firmware for smooth control and optimal efficiency.
• Infineon Aviation-Grade MOSFETs – Enhanced heat dissipation and overcurrent resistance.
• High-Voltage TDK MLCC Capacitors – Provides stable voltage output and reduces power noise.
• 4 Independent Current Sensors – Enables real-time monitoring of working current and voltage.
• STM32L431 Cortex-M4 Processor – Faster computation speed for superior motor control.
• Online Upgrade Support – Directly download firmware updates from the network.
• Multiple Protocol Support – Compatible with PWM, DShot150/300/600/1200, OneShot125/42, and MultiShot.

Technical Specifications

Connection Diagram

• 4 Motor Outputs – M1, M2, M3, M4 ports for brushless motor connections.
• Battery Input – BAT (+) and GND (-) terminals for power connection.
• PWM / DShot Support – Ensures compatibility with most flight controllers.

Advanced Features

1. Integrated 3-in-1 Drive Circuit – Ensures smooth motor operation with enhanced efficiency.
2. 4 Independent Current Sensors – Provides precise voltage and current monitoring.
3. High-Voltage Input Capacitors – TDK MLCC capacitors improve power stability.
4. Built-in High-Voltage BEC – Delivers 1000V input BEC, reducing external power module requirements.
5. Gold-Plated Solder Pads – Ensures stable, low-resistance electrical connections.
6. Firmware Upgradable – Users can update firmware via the official GitHub repository.

Ideal for:

• FPV Racing Drones – High-speed, responsive motor control for extreme maneuvers.
• Freestyle Drones – Smooth power delivery for aerial tricks and freestyle flights.
• Cinematic Drones – Reliable performance for capturing stable aerial footage.

AM32 70A ESC, 3-8S 4in1 electronic speed controller module.

Infineon Aviation Grade MOS features efficient heat dissipation, strong overcurrent capability, 4 independent currents, online upgrade, imported TDK MLCC, and STM32L431 M4 Kernel for faster computation.

Technical specifications for AM32 70A 3-8S 4in1 ESC include input voltage of 3-8S Lipo, size 40*43*7mm, weight 14.2g, and firmware BLHELI_32. It supports PWM, Dshot, Oneshot, and Multishot protocols with a STM32L431/432 processor. Features four independent current and voltage detection circuits.

A 40mm x 43mm electronic board connects to four motors labeled Motor 1, Motor 2, Motor 3, and Motor 4. Diagram illustrates connections with BAT and GND points.