This is our HERO uBEC for SRABABS - handling 3s- 6s LiPos - outputs 5.0v @ 3amps - for Scarab Paris Pilots (Armour/Reconn/Vampire/YSiix/Octa) wanting to run a single 5.00v switching uBEC in place of usual ESC LDO BECs - the voltage of this uBC unit at 5.0v is the best we have found of any /uBEC - almost all other uBEC are designed for RC planes and helicopters which use servos and output 5.4v which is too high for computerised flight controllers used in multicopter like PARIS - this switching uBEC outputs 5.0v and is efficient and is specifically made to power multicopters and is more suitable to Scarab multicopters with all red wires disconnected after the sycronisation phase and programming of all ESC is done (after the first maiden flight - remove or cut all red BEC wires)
1 x uBEC 3s->6s LiPo input - 5.0v output @ 3amps - size as per photo - Requires soldering
MultiWiicopter.com Pro Tips to understanding Multiple ESC setups in Parallel
Question - One of my BEC ESC is hotter than the others, even on the ground - Why? Answer = This is normal when 4 linear voltage regs are connected in parallel for one to get hotter and rising from 35°C or 45°C up to stable 55°C- the important thing is is the temp remains stable NOT rising in what called thermal-run-away - to find out, use a heat-gun - check you have a high grade thermal pad making contact to the non-label side - the principle of a thermal pad = by shedding heat to a larger surface area temperature will stabilise (same principle as a car radiator)- as long as the hot ESC is <65°C and not rising, it is normal & OK ; However if the ESC exceeds 70°C-then it could possibly be in run away (not enough heat can be shed, and ESC will eventually cut out at 125°C when the thermal protection of the 7805 Reg cut in to prevent risk of fire). If you have one very hot ESC in ground test before maiden = >60°C and rising you can elect to disconnect/cut the RED wire of that ESC, or the 3 ESC's with the least cooling air and run on one BEC alone (one ESC with best cooling airflow position has its red wire connected) ; or you can disconnect all RED wires and use a separate uBEC HERE above this product (switching Regulator) provided it has smooth 5.00v power. In most instances in small Quad, one BEC (one with red remaining) is a sensible strategy after programming and throttle learning is completed. However on a Quad with a gimbal, Hex or an Octa its best to use a clean 5.00v uBEC and OPTO ESCs (all Red wires disconnected after programming and throttle learning is completed).
Question - Where should i install this? Place it at least 80mm away from any other device (ESC or PARIS CPU or GPS/MAG) and pay great attention to supply integrity - if any of these wires disconnect in flight (come loose) then you aircraft will immediately crash out of control as the CPU will have no power - We recommend soldering ALL wires if possible - if using the push connector also use inox to prevent pin corrosion in salt environments. Route all wires away from SENSOR wires like GPS/MAG and RC Rx