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LED Cubular Power Budget
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Component
AVG Current Draw (mA)
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ATMega328P50
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PCA9306DCTT12
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LSM9DS1TR4.6
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MAX7219CWG+ - Calculated LED power consumption
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Total Draw Of Other Components66.6
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*ISeg set by resistor to give 20mA LED max current
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Vsupply (V)Duty (/32)Number SegsIseg
VLED (V)
PD(Datasheet) (W)Current Draw Per Panel (mA)Total Current Draw 6 Panels (mA)
Total Draw (mA)
Battery Life Span 400mAH (Hours)
Battery Life Span 300mAH (Hours)
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Total Power Disapation (All LED On, Low Brightness)
50.062582020.071484165.662.411.81
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Total Power Disapation (All LED, Med Brightness)
50.582020.2856336442.860.900.68
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Total Power Disapation (All LED, High Brightness)
50.9687582020.505101606739.860.540.41
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Total Power Disapation (1/2 LED On, Low Brightness)
50.062542020.0551166145.862.742.06
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Total Power Disapation (1/2 LED On, Med Brightness)
50.542020.1632192284.461.411.05
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Total Power Disapation (1/2 LED On, High Brightness)
50.9687542020.272554.5327432.960.920.69
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