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alternative charge chip

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1 parent b42c1e1 commit 057b51884f4255735f619a96e24e9f6d2908d655 @rambo rambo committed Mar 20, 2013
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  1. +2 −0 hardware/board_rev2/README.md
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2 hardware/board_rev2/README.md
@@ -6,3 +6,5 @@
* Decide on on/off solition, heavily leaning towards: [LTC2954](http://www.digikey.fi/product-detail/en/LTC2954CTS8-2%23TRMPBF/LTC2954CTS8-2%23TRMPBFCT-ND/1232682) with [SI4465ADY](http://www.digikey.fi/product-detail/en/SI4465ADY-T1-E3/SI4465ADY-T1-E3CT-ND/1656942)
* Doublecheck that the 3.3V reg on the XMega board will not throw a hissy fit if we provide 3.3V from the partyboard (with and without 5V to xmega board provided)
* In any case [MCP1826T](http://www.digikey.fi/product-detail/en/MCP1826T-3302E%2FDC/MCP1826T-3302E%2FDCCT-ND/1776943) looks like a good choice for regulator (very low drop even at high current) and decent price.
+ * Consider MCP73837 as alternative LiPo charger
+ * See http://ww1.microchip.com/downloads/en/AppNotes/01149c.pdf

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