Space Inventor Power Distribution Unit
State of the art report 2023
1U and larger satellites

Power Distribution Unit

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. 

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Power

Size

PDU-BAT-P4
PDU-5V-P4
PDU-12V-P4

MSRP

€7.000

Specifications

Description

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.
 

Features

Battery input voltage of 12-33.6 V
Two battery input channels with combined input current capability of 25.5 A
8 output channels or 4 dual redundant outputs per PDU-P4
Power capability
Up to 720 W
Programmable overcurrent and latch-up protection
Interface
Redundant CAN
Redundant MCU cross protection feature
Automatic programmable battery protection modes
Programmable on/off timers
Measurements
93 x 93 x 8.75 mm
Mass
160 g

Mechanical drawing

Space Inventor Power Distribution Unit Blueprint

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