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On this page
  • Cooling
  • Capacitor and TVS Diode
  1. Power

ARK 12S PAB Power Module

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Last updated 5 days ago

The ARK 12S PAB Power Module is rated for 100A continuous battery current at 20C ambient. It is recommended to run multiple power modules in parallel if more than 100A continuous current is required.

The board uses an INA238 digital power monitor with a 0.1mΩ shunt to measure voltage and current over I2C. A 5.2V 6A regulator outputs power to the avionics using a 6 pin Molex CLIK-Mate connector that matches the pinout on the ARK PAB Carriers.

PX4 InstructionsArduPilot Instructions3D Model

Cooling

When operating at high battery current and/or high 5V regulator output current, it is recommended to actively cool the board.

Capacitor and TVS Diode

When operating with 12S batteries, it is recommended to solder the included capacitor and TVS diode to the output side of the board. The negative of the capacitor is indicated on the cylinder. The cathode(line) on the TVS diode should be soldered to the positive side of the output.

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12S with Capacitor and TVS Diode