FPV Electronics > ESCs (Electronic Speed Controllers)
The AT32 Single ESC 150A is a powerful electronic speed controller designed for use in electric motors, especially within drone and RC vehicle applications.
High-performance single-channel electronic speed controller based on the AT32F421K8U7 MCU, designed for extreme power applications in large drones and industrial UAVs.
| Parameter | Specification |
| MCU | AT32F421K8U7 (120MHz Cortex-M4) |
| Continuous Current | 150A |
| Peak Current | 180A (5sec burst) |
| Input Voltage | 3-8S (12.6-33.6V) |
| Protocols | Dshot150/300/600/Multishot/Oneshot/PWM |
| BEC Output | Channel 1: 5V DC ±5%, 3A max (15W) Channel 2: 12V DC ±5%, 3A max (36W) |
| BEC Protection | Overcurrent Protection (OCP) 5V rail: Trip point at 3A±10% (auto-disconnect) 12V rail: Trip point at 3A±10% (auto-disconnect) Short-Circuit Protection (SCP) Overload Protection |
| Dimensions | 50×28×6mm |
| Board Weight | 11g |
MOSFETs: 6x SQJQ402E Automotive N-Channel 40 V (D-S) 175 °C MOSFET 1.7mΩ
Capacitance: 19×22μF X7R ceramic + 1×1000μF Aluminum Electrolytic Capacitor
Hardware Features:
3-phase PWM generator with dead-time control
Hardware overcurrent protection (OCP)
On-the-fly timing adjustment
Update Rate: 64kHz signal processing
| Parameter | Specification |
| Base Firmware | AM32_AORC_K_A_F421.hex |
| Flash Size | 128KB |
| Config Method | Betaflight passthrough / USB-C |
✔ Bi-directional DShot (RPM telemetry)
✔ Turtle mode (flip recovery)
✔ Dynamic PWM frequency (8-96kHz)
✔ Active braking (adjustable strength)
✔ RPM filtering support
