Power Electronics / Power Management


Lead-acid battery gas gauge

29 May 2013 Power Electronics / Power Management

Texas Instruments introduced a lead-acid battery management gas gauge IC with proprietary Impedance Track capacity measurement technology. The bq34z110 supports multi-cell lead-acid battery packs with battery voltages of 4 V, 12 V, 24 V, 48 V and higher, including large capacity batteries (1 Ahr to 65 Ahr and higher) and high-current applications (0 A to 32 A and higher). Impedance Track provides 95% accurate battery capacity measurement using current, voltage measurements, temperature and battery characteristics to determine battery state-of-charge, state-of-health and capacity. The chip is supplied in a 14-pin, 5 x 6 mm TSSOP package.



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