USA: Texas Instruments Inc. (TI) introduced the first lead-acid battery management gas gauge integrated circuit with TI's proprietary Impedance Track capacity measurement technology.
The bq34z110 gas gauge IC, which comes in a small 14-pin package, is the industry's only scalable power management device to support multi-cell lead-acid battery packs with battery voltages of 4 V, 12 V, 24 V, 48 V and higher. The highly accurate, simple-to-use gauge supports batteries used in mobile and stationary applications like medical instruments, wireless base stations and telecom shelters, e-bikes, inverters and uninterruptible power supplies (UPS).
Lead-acid batteries typically behave better than lithium chemistries in environments with wide temperature ranges. However, today's lead-acid battery designs do not accurately measure and report current battery capacity, which often frustrates the end user, and could mean adding more batteries to keep the system adequately charged.
The new bq34z110 gauge with Impedance Track technology constantly informs a user about the battery's state-of-health and state-of-charge and maintains up to a 95-percent accurate capacity measurement for the entire life of the battery. This information also prevents premature shutdown, increasing the longevity of the battery and end-equipment.
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