BEC power design for drones

DC-DC Power Converters
1

I 'm designing the BEC power of an ESC for a drone application.
Design parameters are as follows:

Input voltage: 3S-6S LiPO (11,1V-22,2V)

BEC (switch- mode): 5V-8V Adjustable (Step: 0.1V), 7A/18A Cont./Peak.

Does MES have a solution for BEC power? If so, please suggest me a solution that meets the above parameters.

2

Hi @thanhpv7983,

Can you please clarify what BEC power means?
If you’re looking for a buck converter, MP2386 is 24V, 8A device. The output voltage can be set using the feedback network.

Thank you
Saurabh

3

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A Battery Eliminator Circuit (BEC) is a power supply in Electronic speed controllers (ESCs) that supplies other devices in the Drone. For example servo motors, radar…
MP2386 cannot adjust voltage from 5V to 8V with 0.1V step as I requested.

4

Hi @thanhpv7983,

I’m sorry I missed your response.
Do you want to adjust the voltage on the go/automatically?
We have a general block diagram for drones which can be found here.

Thank you
Saurabh