Hardware Reference
Specifications
Power monitor
TI INA238, 0.1 mΩ shunt, I2C
Regulator
5.2 V 6 A step-down, output over-current protection
Input voltage
75 V maximum (12S), 10 V minimum at 6 A out
Continuous current
100 A battery at 20 °C ambient
Battery input and output
Solder pads
Avionics output
6-pin Molex CLIK-Mate, matches the ARK PAB carrier power pinout
Dimensions
3.7 × 2.2 × 1.3 cm
Weight
11.5 g
Pinout
5V and I2C — 6-pin Molex CLIK-Mate
2.00 mm pitch Molex CLIK-Mate 502494. Mating plug 5024390600, pre-crimped wires 0797581014.
1
VBRICK
5.2V
2
VBRICK
5.2V
3
SCL
3.3V
4
SDA
3.3V
5
GND
GND
6
GND
GND
Current Rating and Cooling
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.
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.
Datasheet
3D Model and Case
Board, rev 3.0
Board, rev 3.0, 3D PDF
All files: ARK_12S_PAB_Power_Module in ark-hardware
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