DESCRIPTION
●The bq78PL116 master gateway battery controller is part of a complete Li-Ion control, monitoring, and
●safety solution designed for large series cell strings.
●FEATURES
●• bq78PL116 Designed for Managing 3- to 16-Series-Cell Battery Systems
●– 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:
●– Impedance
●– Cell Temperature
●• PowerPump Technology Transfers Charge Efficiently From Cell to Cell During All Operating Conditions, Resulting in Longer Run Time and Cell Life
●– Includes User-Configurable PowerPump Cell-Balancing Modes
●• High-Resolution 18-Bit Integrating Delta-Sigma Coulomb Counter for Precise Charge-Flow
●Measurements and Gas Gauging
●• Multiple Independent Δ-Σ ADCs: One-per-Cell Voltage, Plus Separate Temperature, Current,
●and Safety
●• Simultaneous, Synchronous Measurement of Pack Current and Individual Cell Voltages
●• Very Low Power Consumption
●– < 400 μA Active, < 185 μA Standby, < 85 μA Ship, and < 1 μA Undervoltage Shutdown
●• Accurate, Advanced Temperature Monitoring of Cells and MOSFETs With up to 4 Sensors
●• Fail-Safe Operation of Pack Protection
● Circuits: Up to Three Power MOSFETs and One Secondary Safety Output (Fuse)
●• Fully Programmable Voltage, Current, Balance, and Temperature-Protection Features
●• External Inputs for Auxiliary MOSFET Control
●• Smart Battery System 1.1 Compliant via SMBus
●APPLICATIONS
●• Portable Medical Instruments and Test Equipment
●• Mobility Devices (E-Bike)
●• Uninterruptible Power Supplies and Hand-Held Tools
