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Key highlights

8 Channel Power Distribution Unit. The PDU-P4 comes in three variants featuring three different output voltage levels all communicating via CAN protocol.

The PDU-P4 is an 8-channel power distribution unit in a rugged, compact and modular enclosure. The unit includes four output connectors, each equipped with two power lines and redundant CAN. With this, each of the four output connectors can be utilized for multiple purposes:

Supplying two individual loads from one output connector

Paralleling the power lines to achieve higher power capability to a load

Supplying a load with a fully redundant set of power lines

The PDU-P4 architecture allows designers to allocate one subsystem per power channel, whereby many of the EMI issues experienced on shared power buses are eliminated. This makes the PDU-P4 ideal for missions with demanding payloads and sensitive receivers.

All outputs have independent power monitoring and latch-up protection. Monitoring and configuration is enabled through the CSP protocol and onboard redundant MCUs.

Applications

  • Battery input voltage from 12V to 33.6V
  • Two battery input channels:
    Combined input current capability 34A
    Single channel input capability 25.5A 

  • 8x output channels or 4x dual redundant outputs per
    PDU PDU-VBAT: Up to 1000W
    PDU-5V: Up to 120W
    PDU-12V: Up to 288 W 

  • Programmable overcurrent and latch-up protection
  • Redundant CAN
  • Redundant MCU cross protection feature
  • Programmable battery protection mode
  • Programmable on/off timers
  • Measurements (L, W, H) 93 x 93 x 8.75 mm

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Last updated: 2025-04-09

Power Distribution Unit // PDU-BAT-P4

list price: 7,000 EUR

9TRL
Image of Space Inventor - Power Distribution Unit // PDU-BAT-P4 on the satsearch marketplace

Downloads

Technical specs

maximum power
1000 W
battery pack voltage
12 to 33.6 V

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