This document describes the features of THUNDER POWER's sensorless brushless motor speed controller, including lithium battery balance discharge monitoring and protection design, low output resistance, full protection features, multiple startup modes, configurable throttle range, smooth and accurate speed control, etc.
This manual provides instructions for the Thunder Power 40BSG4 Electronic Speed Controller (ESC), designed for controlling brushless motors in RC models. Key features include Lithium Battery Balance Discharge Monitoring and Protection, low-voltage cutoff, over-heat protection, and throttle signal loss protection. The device supports various startup modes (Normal, Soft, Very-Soft) and is compatible with Li-ion, Li-poly, NiMH, and NiCd batteries.
| Cont. Current | 40A |
|---|---|
| Burst Current | 55A |
| BEC Output | 5V/3A |
| Battery Cells Supported | 2-4 |
| Max Motor Speed (2 poles) | 210000 RPM |
| Max Motor Speed (6 poles) | 70000 RPM |
| Max Motor Speed (12 poles) | 35000 RPM |
| Weight | 40g |
| Dimensions | 55x28x15 mm |
The ESC supports three startup modes: Normal, Soft, or Very-Soft.
Switch on the transmitter, move the throttle stick to the top position, connect the battery pack to the ESC, and wait for the 'beep-beep' tone followed by a special tone.