Joule

The Aerium Joule is a robust, high-current power distribution board (PDB) designed for unmanned applications requiring reliable, efficient power delivery. Supporting 3S–14S LiPo (10–60 V) systems, Joule integrates independent 5 V / 3 A and 12 V / 3 A buck regulators, delivering clean, regulated power to your autopilot and auxiliary peripherals. It also includes onboard voltage and current monitoring for precise telemetry feedback.

General

• Wide input range: 3S–14S LiPo (10–60 V)
• On-board 5 V / 3 A and 12 V / 3 A independent buck regulators
• Integrated analog voltage & current sensing
• 10 pairs of power pads for ESC connections and other peripherals
• Single battery input pad pair for main power feed

Mechanical

• Dimensions: 36.5 × 36.5 mm
• Mounting pattern: 30.5 × 30.5 mm (M3 holes)
• Weight: ~25 g

Resources

• 3D CAD Model

Electrical

Specifications

• Input voltage: 10–60 V (3–14S LiPo)
• Regulated outputs:
  • 5 V / 3 A
  • 12 V / 3 A
• Current handling: up to 60 A (system/power path)
• Integrated voltage & current monitor for FC telemetry
• Top View
  
• Bottom View
  

Electrical Pinout

5V Connector

• Connector Definition

  Type	Part Number	Part Name
  Board Connector	SM06B-GHS-TB	JST-GH
  Cable Connector	GHR-06V-S	JST-GH

• Connector Pinout

  Pin	Name
  1	5V
  2	5V
  3	Current sense (logic 3.3V)
  4	Voltage sense (logic 3.3V)
  5	GND
  6	GND

12V Connector

• Connector Definition

  Type	Part Number	Part Name
  Board Connector	SM06B-GHS-TB	JST-GH
  Cable Connector	GHR-06V-S	JST-GH

• Connector Pinout

  Pin	Name
  1	12V
  2	12V
  3	12V
  4	GND
  5	GND
  6	GND

Software

Parameters

Parameter	Value
Voltage Multiplier	31.0
Amps Per Volt	33.33