Power Distribution Architecture

Power Supplies

Components that supply power without requiring an input.

Part Number/Description & Qty.

Supply Voltage Range

Current Rating

Power Rating

Connector Type

Misc. Notes

Part Number/Description & Qty.

Supply Voltage Range

Current Rating

Power Rating

Connector Type

Misc. Notes

6S LiPo batteries x 2 or 4

19.2V - 25.2V (22.2V nominal)

300A (600A burst)

-

XT90

5000mAh capacity (111Wh), will be connected in series to create a 12s battery (voltage doubled)

Currently discussing if we should have 2, 4, or 6 batteries (pairs of 6s wired in parallel for more capacity)

3S LiPo batteries x 1

9.6V - 12.8V (11.1V nominal)

-

-

-

4000mAh capacity (47.2Wh capacity)

Being used to power camera/video systems.

Voltage Transformers/Regulators

Devices that are capable of providing a voltage rail or converting one voltage into another (i.e. stepping voltage up or down).

Part Number/Description & Qty.

Input Voltage Range

Output Voltage(s)

Current Rating

Power Rating

Power Connector Type

Misc. Notes

Part Number/Description & Qty.

Input Voltage Range

Output Voltage(s)

Current Rating

Power Rating

Power Connector Type

Misc. Notes

PDB500[X] Boards x 1

12V - 50.4V nominal, 60V peak

4S - 12S battery voltage (for ESCs)

12V

5V

Total: 500A, 1000A burst

12V, 5V: 3A

 

-

Exposed pads, varying sizes

Will need continuous airflow (i.e. fan, or exposure to the air) to achieve max. current ratings, otherwise it will probably overheat

@Nathan Green’s Power Module x 1

12S (36V - 50.4V)

5.2V

5A continuous, 9A peak

-

Exposed pads

 

Power Consuming Devices

Any device that consumes power is listed below with its specifications.

Mandatory Airside Components

Part Number/Description & Qty.

Input Voltage Range

Current Draw

Power Consumption

Power Connector Type

Suggested Power Source(s)

Misc. Notes

Part Number/Description & Qty.

Input Voltage Range

Current Draw

Power Consumption

Power Connector Type

Suggested Power Source(s)

Misc. Notes

Vector Nav (Rugged) x 1

3.3V - 14V

250mA @5V

1.25W

Harwin M80 (10 pin male)

Pixhawk 5/6 (see RFC for rugged harness)

Wired to GPS2 Port of the Pixhawk

Vector Nav (Antenna) x 2

2.5V - 12V

12 mA @12V

0.288W

 

Pixhawk 5/6

Wired to GPS2 Port of the Pixhawk

120F3[X] ESCs x 5

15V - 50V

120A max. continuous, 200A burst

-

Exposed pads

PDB500[X] board

Current draw numbers are max. ratings, should measure this to get a more accurate power consumption while running with our motors

V505 KV260 Lift Motors x 4

42V - 52V

Max. throttle: 52.93A

50% throttle: 11.68A

60A max. continuous

Max. throttle: 2483.87W

50% throttle: 558.10W

3 phase wires

120F3[X] ESCs

Power calculations based on nominal LiPo battery voltage (43.6V - 44.4V approx.)

AT4130 230Kv Push Motor x 1

12S LiPo (36V - 50.4V)

Max. throttle: 55.63A

50% throttle: 6.96A

60 max. continuous

Max. throttle: 2426.63W

50% throttle: 309.4W

 

PDB500[X] board

Power calculations based on nominal LiPo battery voltage (43.6V - 44.4V approx.)

HS-311 Servo Motors x 8

4.8 - 6V

7.4mA idle, 160mA operating (no load)

-

3 pin header cable

Pixhawk 5/6 5V rail that comes from PDB500[X]

Low continuous power consumption, needs a fairly stable voltage rail to avoid motors failing or causing rail to collapse

VTX-1G3SE Video Transmitter x 1

6V - 36V

40mA - 250mA

Current draw will increase if onboard regulator used for power

480mW - 3W

Exposed TH pads

OSD board

 

 

RMRC Video Transmitter

12V

0.7A

 

 

 

This component will only be used if VTX-1G3SE is not used

Current draw is the rated current

RFD900x Modem x 1

3.5V - 5.5V, 5V nominal

800mA peak

4W

Male pin headers

Pixhawk 5/6

Wired to Telem1 port of the Pixhawk (1.5A current limit, should suffice, see suggested pinout here)

TFMini-S Micro LIDAR Module x 1

5V +/- 0.1V

200mA peak, <140mA nominal

Max 0.7W

JST GH 1.25mm 4 pin

Pixhawk 5/6

Powered off of the I2C port on the Pixhawk (default use case)

Pixhawk 6X x 1

Max input: 6V

USB input: 4.75V-5.25V

Servo Rail Input Mx: 36V

1.5A max. (Telem1 port)

1.5A max. (all other ports combined)

-

Clik-mate 2mm 6 pin x 2 (1 primary, 1 backup)

Nathan’s Power Module 5V rail from VBAT

 

OSD Board x 1

Telemetry: 5V (from pix)

VBAT: 12V for VTX and Camera

-

-

JST GH 1.25mm 6 pin (Telemetry)

Exposed pads (VBAT)

3S battery for 12V

5V from Pixhawk

VBAT is the 12V rail that powers the cameras and VTX, telemetry is power for board itself + communications

Lumenier 3-Way Video Mux x 1

5V - 26V

-

25mW - 500mW (adjustable)

Male pin headers

OSD Board

Input voltage is the same as output to cameras

FPV Camera (Caddx Baby Ratel 2) x 3

5V - 40V

100mA - 300mA

500mW - 1.5W

JST GH 1.25mm 2 pin, 3 pin connectors (uncertain)

Lumenier Video Mux

Current draw is an estimate based on current draw of similarly sized cameras

HereFlow Optical Flow Sensor x 1

5V

-

-

JST GH 1.25mm connectors (uncertain)

Pixhawk 5/6

Powered off of the CAN port on the Pixhawk (default use case)

M9N-GPS

5V

<150mA

< 750mW

JST GH 1.25mm 10 pin (telemetry & power)

Pixhawk 5/6

Powered off of the GPS1 port on the Pixhawk (default use case)

Airspeed Sensor x 1

3.3 - 5V

3mA

15mW @5V

JST GH 1.25mm 4 pin

Pixhawk 5/6

Powered off of the I2C port on the Pixhawk (default use case). We can use the I2C breakout board to have multiple devices on the same I2C bus

RGB LED strip

12V

~1.7A max

Most likely 10-20W depending on length

2.54mm header harness

Can also solder to pad directly and heat shrink

PDB500[X] board

 

Cytron H-Bridge Driver (for driving LED strip)

12V input for LEDs
5V input for PCB circuitry

 

 

Screw terminal for 12V input and LED output

2.54mm male headers for 5V, GND, and input from pixhawk

12V from PDB500[X]

5V from Pixhawk 5/6 5V rail that comes from PDB500[X]

GPIO from Pixhawk will be used to drive this H-bridge PCB to control whether the LED strip is ON or OFF

DC Cooling Fan

12V

590mA

6.7W

 

PDB500[X]

Fan to cool avionics compartment

Optional Airside Components

Part Number/Description & Qty.

Input Voltage Range

Current Draw

Power Consumption

Power Connector Type

Suggested Power Source(s)

Misc. Notes

Part Number/Description & Qty.

Input Voltage Range

Current Draw

Power Consumption

Power Connector Type

Suggested Power Source(s)

Misc. Notes

NVIDIA Jetson TX2 + Quasar Carrier Board x 1

9V - 14V nominal, 19V peak

750mA nominal, 2.5A max @12V

30W

Screw terminal

 

This component is optional

1080p 2MP Global Shutter Color USB Camera Module - CV Camera x 1

5V

160mA

0.8W

 

Lumenier Video Mux

 

Groundside Components

Part Number/Description & Qty.

Input Voltage Range

Current Draw

Power Consumption

Power Connector Type

Suggested Power Source(s)

Misc. Notes

Part Number/Description & Qty.

Input Voltage Range

Current Draw

Power Consumption

Power Connector Type

Suggested Power Source(s)

Misc. Notes

TBS Tracer x 1

Micro TX: 5-13V

Nano TX: 5-9V

 

TX: 1.1W

 

 

 

TX 16S Radio Controller x 2

6.6-8.4V

400mA

Max: 250mW

 

 

 

RMRC 900MHz x 1

12V

300mA

 

 

 

 

Tank Race II VTX Video Relay x 1

5V

 

Max: 350mW

 

 

 

5.8 GHz RC832 x 1

12V

Max: 200mA

 

 

 

 

Analog FPV Goggles x 1

3.7-4.2V

 

 

 

 

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