Space Inventor MPPT
State of the art report 2025
1U and larger satellites

MPPT

The Maximum Power Point Tracker is a battery charger that connects satellite solar panels directly to the spacecraft battery bus. 

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Power

MSRP

€7.000

Specifications

Description

The Maximum Power Point Tracker is a battery charger that connects satellite solar panels directly to the spacecraft battery bus. 

The MPPT module is available with four PV input channels. Each channel consists of a DC-DC buck converter that ensures optimal operating point for each solar cell array over the full temperature range. 

After PV power conversion, the 4x channels are combined through ideal diodes and made available as two output power buses. Each power bus employs an internal switch that can be set in software in order to disable battery charging. The MPPT comes with dual MCUs and CAN interface for redundancy.

Features

Converter efficiency up to 95%
Buck converter topology
Up to 110W PV input power per MPPT
PV string input voltage from VBAT up to maximum 75V
4x PV input channels up to 1.2 A output current per channel
Data interface: Redundant CAN bus with CSP
Ruggedized enclosure for best thermal performance
Shielding for radiation and EMI reduction
Suitable for microsatellites and CubeSats
Measurements
93 x 93 x 8.75 mm
Mass
120 g

Mechanical drawing

Space Inventor MPPT Blueprint

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