Power Supply and Battery
To make ALBATROSS as versatile as possible, we implemented a battery and a unique power supply. Our power supply enables the device to be powered and charge its battery from almost any available power source.


Synchronous Buck Boost Converter
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Designed by Ruben Henri
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Utilizes Texas Instruments LM5176 IC
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Input: 6-42VDC @ 14A MAX
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Output 14V @ 6A MAX
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Switching Frequency: 300kHz
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Efficiency: 98.5%
3S LI-PO Battery Charger
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Designed by Ruben Henri
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Utilizes MAXIM MAX1873SEEE+ IC
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Input: 14-26VDC @4A MAX
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System Output: 8.8-13.8V (Vin-1.2V or Vbatt-1.2V)
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Output to battery: 12.6V MAX @3A MAX
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Switching Frequency: 300kHz
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Efficiency: 96%
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Charges our battery fully in two hours


AC/DC Switch Mode Power Supply
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Purchased
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S60-12
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Input: 110-250VAC 47Hz-63Hz @2A MAX
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Output: 14V @5A MAX
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Switching Frequency: 77kHz
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Efficiency: 76%
Battery Pack
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Purchased
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Zeee High Performance 3S Lithium Polymer Battery Capacity: 5200mAh
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Output: 11.1V nom @416A MAX
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Deans Connectors
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Integrated Cell Balance Board


Current Sense Modules
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Purchased
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​2x INA260 Power Sense Modules
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One positioned between the battery and charger
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One positioned at the input of the Raspberry Pi
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Uses I2C to send power data to the GUI