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BQ78PL116RGZR Datasheet(PDF) 1 Page - Texas Instruments |
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BQ78PL116RGZR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 37 page bq78PL116 www.ti.com SLUSAB8B – OCTOBER 2010 – REVISED FEBRUARY 2011 PowerLAN ™ Master Gateway Battery Management Controller With PowerPump ™ Cell Balancing Technology Check for Samples: bq78PL116 1 FEATURES of Cells and MOSFETs With up to 4 Sensors 23 • bq78PL116 Designed for Managing 3- to • Fail-Safe Operation of Pack Protection 16-Series-Cell Battery Systems Circuits: Up to Three Power MOSFETs and One Secondary Safety Output (Fuse) – Support for LCD and Electronic Paper Displays or EPDs • Fully Programmable Voltage, Current, Balance, and Temperature-Protection Features – Configurable for 11-A, 26-A, or 110-A Operating Currents • External Inputs for Auxiliary MOSFET Control • Systems With More Than Four Series Cells • Smart Battery System 1.1 Compliant via Require External bq76PL102 Dual-Cell SMBus Monitors APPLICATIONS • SmartSafety Features: • Portable Medical Instruments and Test – Prevention: Optimal Cell Management Equipment – Diagnosis: Improved Sensing of Cell • Mobility Devices (E-Bike) Problems • Uninterruptible Power Supplies and Hand-Held – Fail Safe: Detection of Event Precursors Tools • Rate-of-Change Detection of All Important Cell Characteristics: DESCRIPTION – Impedance The bq78PL116 master gateway battery controller is – Cell Temperature part of a complete Li-Ion control, monitoring, and safety solution designed for large series cell strings. • PowerPump Technology Transfers Charge Efficiently From Cell to Cell During All The bq78PL116 along with bq76PL102 PowerLAN ™ Operating Conditions, Resulting in Longer dual-cell monitors provide complete battery-system Run Time and Cell Life control, communications, and safety functions for a structure of three up to 16 series cells. This – Includes User-Configurable PowerPump PowerLAN system provides simultaneous, Cell-Balancing Modes synchronized voltage and current measurements • High-Resolution 18-Bit Integrating Delta-Sigma using one A/D per-cell technology. This eliminates Coulomb Counter for Precise Charge-Flow system-induced noise from measurements and allows Measurements and Gas Gauging the precise, continuous, real-time calculation of cell impedance under all operating conditions, even • Multiple Independent Δ-Σ ADCs: One-per-Cell during widely fluctuating load conditions. Voltage, Plus Separate Temperature, Current, and Safety PowerPump technology transfers charge between cells to balance their voltage and capacity. Balancing • Simultaneous, Synchronous Measurement of is possible during all battery modes: charge, Pack Current and Individual Cell Voltages discharge, and rest. Highly efficient charge-transfer • Very Low Power Consumption circuitry nearly eliminates energy loss while providing – < 400 μA Active, < 185 μA Standby, < 85 μA true real-time balance between cells, resulting in Ship, and < 1 μA Undervoltage Shutdown longer run-time and improved cycle life. • Accurate, Advanced Temperature Monitoring 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 PowerLAN, PowerPump, bqWizard are trademarks of Texas Instruments. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. © 2010–2011, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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