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battery monitorsTexas Instruments (Dallas, TX) introduced what it asserts are the first scalable, multi-cell battery monitors that significantly improve battery pack safety and reduce design time of 12-V to 48-V lithium-ion and lithium-iron phosphate batteries used in e-bikes, power tools and energy storage systems. The new bq76920, bq76930 and bq76940 circuits efficiently protect and control 3- to 15-cell batteries when charging or operating in harsh environment conditions. Features include:

  • Protection and control for up to 15 lithium-ion or lithium-iron phosphate cells, including 12-V, 18-V, 24-V, 36-V and 48-V battery packs.
  • Accurate measurement of cell voltages, temperature and pack current to determine remaining battery capacity and battery state-of-health.
  • Built-in hardware protection: Cell balancing, integrated analog-to-digital converters and built-in hardware protection provide the highest degree of battery safety.
  • Fast development time: Unified digital interface across all three devices – from 18 V to 48 V or higher – and saves significant time, effort and cost.

For more information, visit www.ti.com

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