Skyclaw ESC 40A for 550 /650 Class Multirotor
Brand: TOMCAT
Item No.: TCM40A

Constant Current: 40A
Burst Current: 60A
BEC Output: NO
Battery Suggestion: Lipo 2~6s
Size: 68*25*8.7mm
For 550/650 class multirotor

FEATURES:
Adopt high-frequency MCU (up to 50MHz) as the main control chip, the computing speed of the ESC is faster and the response speed of the throttle is dramatically improved.
Applying the synchronous rectifier technology, it can increase the ESC efficiency (significantly reduce the ESC temperature), improve the throttle linearity, and speed up the deceleration response of the motor.
The ESCs only have one programmable item (Timing), it is very simple to use.
ŸThe ESCs are compatible with PPM signal-receiving mode (the throttle signals range from 1100μs to 1940μs) and OneShot125 signal-receiving mode (the throttle signals range from 125μs to 250μs).
ŸIn PPM signal-receiving mode, the frequency of the throttle signal supported by the ESCs is up to 500Hz and compatible with various flight controllers.
The twisted-pair design of the throttle signal cable effectively reduces the crosstalk produced in signal transmission and makes the flight more stable.
By using specialized power tube to driver the chip, the ESCs have high efficiency and strong reliability.
Users can set the program items only on PPM signal-receiving mode.
The Skyclaw series ESCs only have one programmable item (Timing).
Values of Timing: High and Middle (Default is Middle).

CAUTION:
When the Skyclaw series ESCs are applied to 250 or 300 multi-rotors, 1806 or 2204 size motors and 5 or 6 inches propellers are recommended to use. To avoid overload and burning the ESCs, do not use larger size propellers or motors.


Protection Functions
Start-up protection:
If the motor fails to start within 2 seconds while pushing the throttle stick upward, the ESC will cut off thepower output.
You need to put the throttle stick to the lowest position again and then restart the motor.
It happens in the following situations: poor connection or disconnection between the ESC and the motor, the propellers are blocked, etc.
ŸThrottle signal loss protection:
If the throttle signal is lost for over 0.25 second, the ESC will cut off output immediately to avoid greater losses caused by the high-speed rotation of the propeller.
The ESC will recover the output immediately after normal signals are received.