More dodgy components, this time from our friends at Maxim (c/o Motorola)

The DS2502 datasheet is here:
http://www.maxim-ic.com/datasheet/index.mvp/id/2924

UPDATE:
Maxim have admitted the problem and have fixed everything without fuss.

It turns out the firmware is intended for Motorola phone batteries:
http://www.freepatentsonline.com/5717307.html