Thread: Reading battery status using bq27200
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shadowjk is offline shadowjk
2010-04-19 , 02:38
Posts: 1,258 | Thanked: 672 times | Joined on Mar 2009
#7
Originally Posted by nightfire View Post
Anyone know what units current_now is? It seems like it should be mA, but the values I'm reading are ridiculously high; it can't possibly be drawing 3A while playing back a video; the battery would only last 30 minutes.
Looking at the source file linked above, it looks like it's returning the raw value from the chip.

From memory it's in units of 3.57 microvolt. Yes, volt. Use ohms law and assume a resistance of 20 milliOhm and it could start making sense.
 

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