Power Zero - M10077

The mRo Power Zero is a renewed, high-quality power module standard based on the ACSP7. Offers extremely accurate measurements across the entire current and voltage operating range. mRo is the first company to introduce a non-invasive, Hall-effect current sensor for UAV/Robotics application and high-precision voltage dividing circuit for consistent and reliable measurements.

Compared to the ACSP7, the .5v offset is removed and the current sensing is compared with a dedicated power reference. The integrated electrolytic capacitor reduces voltage spikes which result from longer input cable lengths and higher voltage batteries.

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Features:

Dual internal power supply to improve the stability of the Hall-sensing.

Specifications

Electrical:

• 50.4v 12s lipo
• 90 Amps – Max Current Sensing
• 5.3V, 2 Amps power supply

Mechanical:

• Board Weight: 2.50g (0.08 oz)
• Board Dimensions:
• 18mm x 18mm (.70″x.70″)
• Height: 7.30 mm (0.28″)

Parameters

Ardupilot settings:

Latest units come with a printed ticket with the voltage and current multipliers calculated for the specific board, to take into account physical variation among passive components.

Connector pinout

6-pin JST-GH