bq78PL114 - Texas Instruments

bq78PL114 Master Gateway Battery Management Controller

The bq78PL114 master gateway battery controller is part of a complete Li-Ion control, monitoring, and safety solution designed for large series cell strings. The bq78PL114 and bq78PL114S12 along with bq76PL102 PowerLAN™ dual-cell monitors provide complete battery-system control, communications, and safety functions for a structure of three up to twelve serie.

Features

1
•23 bq78PL114 Designed for Managing 3- to 8-Series-Cell Battery Systems
• bq78PL114S12 Firmware Upgrade Supports 3to 12-Series-Cell Battery Systems
  – Adds Support for LCD and Electronic Paper Displays or EPDs
  – Configurable for 11-A, 26-A, or 110-A Operating Currents
• Systems With More Than Four Series Cells Require External bq76PL102 Dual-Cell Monitors
• SmartSafety Features:
  – Prevention: Optimal Cell Management
  – Diagnosis: Improved Sensing of Cell Problems
  – Fail Safe: Detection of Event Precursors
• Rate-of-Change Detection of All Important Cell Characteristics:
  – Voltage
  – Impedance
  –.