Favourite Little bee 20A BLHeli-S 2-4S ESC (No BEC)
The LittleBee is a super compact, lightweight, high performance speed controller for your racing multi-rotor. Pre-flashed with BL-Heli_S.
These ESCs do not have a BEC, you will need to supply 5v power to your flight controller with a UBEC or stepdown voltage regulator.
These new Littlebee 20A-S esc's have there own dedicated Driver Chip with the blheli_S compatable bootloader
- BEC: none
- Current: 20A
- Burst Current: 25A (up to 10 seconds)
- Bootloader: BL-Heli_S
- Size: 23.5mm x 12mm
- Support/Mode: Oneshot125, Oneshot42 and Multishot
- Main IC: SILABS EFM8BB21F16, MCU runs at 48MHz
- Battery: 2-4S LiPo
- MOS: Both low and high side fets are Nfets
- Weight: 4g (including Power and signal wires)
With all ESC's that have active braking we recommend you isolate or filter all sensitive electronics to prevent feedback / spikes.