Rev4 of the BabyPDB is here! It can now deliver up to 5A continuous current and 20A peak! This new version features 2 BEC output pads allowing for easier soldering of two or more servos. The spacing between that pads has also been increased to make soldering simpler.
Built-in voltage regulators on flight controllers are not suitable to power high-performance servos. It can be tempting but those regulators are not made for high peak loading. This might lead to the regulator catastrophically failing and potentially ruining the FC in an event of a shock load to the servo. Instead use an external BEC, like this BabyPDB, that is designed to drive servos.
This is the BabyPDB, a 36x36mm (30.5mm hole spacing) power distribution board with an integrated current sensor and selectable 5/6/8/12V 5A super clean switching BEC.
The board has 4 voltage output pads large enough to allow for easy soldering of ESC power wires and 2 large input voltage pads for big gauge wires from the battery.
The built-in current sensor is great for logging how much power your copter is drawing, but much more interesting is the monitoring of mAh drawn out of the battery. To me this is huge. It allows for a much more accurate way of knowing how much juice is left in your battery. This information can easily be relayed through telemetry to your RC transmitter together with the real-time current draw. Just hook up the Isense pad to the appropriate analogue input pad on your Flight Controller.
The built-in BEC is of the switching type, meaning it’s super efficient and can deliver up to 5A and 20A peak! The output voltage is also easily set to either 5V, 6V, 8V or 12V by bridging 4 different solder pads. The board can easily power 50 5V RGB LED’s without breaking much of a sweat, or you can power FPV gear, servos, charging a GoPro or whatever you fancy.
To make wiring as simple as possible, the board has easily accessible pads for Isense, Vbat out x 2, BEC and ground.
In cleanflight/betaflight/dRonin use current scale 336 to get the correct current value.
- BEC type: Switching
- BEC voltage: 5V/6V/8V or 12V selectable
- BEC current: 5A
- Input voltage: 2-5S
- Material: 1.5mm thick G10/FR4
- Dimensions: 36x36xmm
- Hole spacing: 30.5mm
- Weigh: 7.3 grams
Included in the package:
1 x BabyPDB