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I2C battery monitor IC

 
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Guest
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I2C battery monitor IC
PostPosted: Sat Nov 20, 2004 2:09 pm     Reply with quote
Does anyone know of a good IC that can monitors a battery and give me things likes, current consumed or current remaining and uses I2C?

Thanks
valemike
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PostPosted: Sat Nov 20, 2004 3:09 pm     Reply with quote
I have used the MAX666 (suggested a few months ago in this board) to monitor when a battery weakened down to a certain voltage (this voltage is chosen by a voltage divider). However, i am not aware of a battery monitor using i2c that can also determine how much current has been consumed.
MGP



Joined: 11 Sep 2003
Posts: 57

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PostPosted: Sat Nov 20, 2004 3:42 pm     Reply with quote
There are a bunch of chips out there like that. Go to TI or Maxim/Dallas website and search for "gas guage" IC's. Also look for I2C or SMBus -- SMBus is basically I2C hardware interface with it's own command set. Most "smart" battery packs use a SMBus compliant gas guage chip.
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