BQ78PL116RGZR

具有 PowerPump 电池平衡技术的 PowerLAN 主网关控制器 48-VQFN -40 to 85

DESCRIPON

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