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Power distribution. Total maximum current = (100+150+250+.13+10+50)mA = 560.13mA.

Published byJohnathan Cummings Modified over 9 years ago

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Presentation on theme: "Power distribution. Total maximum current = (100+150+250+.13+10+50)mA = 560.13mA."— Presentation transcript:

1 Power distribution

2 Total maximum current = (100+150+250+.13+10+50)mA = 560.13mA

3 Battery research for 9v ChemistryBattery numberCapacity at a 500mA discharge rateDatasheet site AlkalineEN22300mAHhttp://data.energizer.com/PDFs/EN22.pdf Alkaline522300mAHhttp://data.energizer.com/PDFs/522.pdf Carbon Zinc1222N/Ahttp://data.energizer.com/PDFs/1222.pdf LithiumLA522600mAHhttp://data.energizer.com/PDFs/la522.pdf Rechargeable NH22-17N/Ahttp://data.energizer.com/PDFs/nh22-175.pdf *Image taken from http://alkalinebatteries.us/Energizer_9Volt_522.html http://alkalinebatteries.us/Energizer_9Volt_522.html Typical Weight 45.6 grams *Image taken from http://data.energizer.com/PDFs/EN22.pdf

4 Battery research for C-cell 1.5V *Image taken from http://www.blasterstool.com/energizerbatteryc-cellen932pack.aspx ChemistryBattery numberCapacity at a 500mA discharge rateDatasheet site AlkalineEN935000mAhhttp://data.energizer.com/PDFs/EN93.pdf AlkalineE935000mAhhttp://data.energizer.com/PDFs/E93.pdf Alkaline 3-3355000mAhhttp://data.energizer.com/PDFs/3-335i.pdf Alkaline 3-335NNC5000mAhhttp://data.energizer.com/PDFs/3-335nnci.pdf Carbon Zinc12355000mAhhttp://data.energizer.com/PDFs/1235.pdf Rechargeable NH35-2502500mAhhttp://data.energizer.com/PDFs/nh35-2500.pdf Typical Weight 66.2 grams *Image taken from http://data.energizer.com/PDFs/EN93.pdf

5 Battery research for D-cell 1.5V *Image taken from http://www.electronicsnmore.com/index.php/cPath/4_92_88 ChemistryBattery numberCapacity at a 500mA discharge rateDatasheet site AlkalineEN958000mAhhttp://data.energizer.com/PDFs/EN95.pdf AlkalineE958000mAhhttp://data.energizer.com/PDFs/E95.pdf Alkaline 3-3508000mAhhttp://data.energizer.com/PDFs/3-350i.pdf Alkaline 3-350IW8000mAhhttp://data.energizer.com/PDFs/3-350iwc.pdf Alkaline 3-350NNC8000mAhhttp://data.energizer.com/PDFs/3-350nnci.pdf Alkaline 3-350W8000mAhhttp://data.energizer.com/PDFs/3-350wc.pdf Alkaline A9N/Ahttp://data.energizer.com/PDFs/A95.pdf Carbon Zinc12505500mAhhttp://data.energizer.com/PDFs/1250.pdf Rechargeable NH50-2502500mAhhttp://data.energizer.com/PDFs/NH50-2500.pdf Typical Weight 148.0 grams *Image taken from http://data.energizer.com/PDFs/EN95.pdf

6 Advantages/disadvantages BatteryAdvantagesDisadvantages 9V High supply voltage Very low overall efficiency Low efficiency per weight (7mA/gram) C-cell Maximum efficiency per weight (75mA/gram) Low supply voltage D-cell High efficiency Low supply voltage Heavy Low efficiency per weight (54mA/gram)

7 The winner? C-cell non-rechargeable battery!! – With 6 batteries in series, power supply time will be 6+ hours. Total weight of C-cell batteries will be 397g(14oz) Same number of D-cell batteries would be 888g(31oz) 16 9v batteries would be needed to provide same amount of battery capacity which would be 730g(26oz)

8 The winner? C-cell non-rechargeable battery!! – Size of battery pack will be approximately 6”x2”x1” (WxLxH) – Approximate cost of battery pack will be $12.50 *Price of batteries were found at http://www.amazon.com/Energizer-Alkaline-Size-Battery-8- Count/dp/B0044DA3NS/ref=sr_1_1?ie=UTF8&qid=1318388169&sr=8-1http://www.amazon.com/Energizer-Alkaline-Size-Battery-8- Count/dp/B0044DA3NS/ref=sr_1_1?ie=UTF8&qid=1318388169&sr=8-1

9 Total maximum current = (100+150+250+.13+10+50)mA = 560.13mA 3.3V maximum current consumption = 50.13mA 5V maximum current consumption = 510mA MAXIMUM CURRENT/VOLTAGE DIVISION

10 Voltage regulators LDO regulator vs Standard regulator – Voltage drop required to maintain output voltage regulation LDO requires least voltage Standard requires the most

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