BQ78PL116RGZR ,PowerLAN Master Gateway Controller With PowerPump Cell Balancing Technology 48-VQFN -40 to 85These devices have limited built-in ESD protection. The leads should be shorted together or the dev ..
BQ78PL116RGZT ,PowerLAN Master Gateway Controller With PowerPump Cell Balancing Technology 48-VQFN -40 to 85Features:• Portable Medical Instruments and Test– Prevention: Optimal Cell ManagementEquipment– Dia ..
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BQ78PL116RGZR-BQ78PL116RGZT
PowerLAN Master Gateway Controller With PowerPump Cell Balancing Technology 48-VQFN -40 to 85
bq78PL116
www.ti.com SLUSAB8B –OCTOBER 2010–REVISED FEBRUARY 2011
PowerLAN™ Master Gateway Battery Management Controller
With PowerPump™ Cell Balancing Technology
Checkfor Samples: bq78PL116
1FEATURES of Cells and MOSFETs With upto4 Sensors
23• bq78PL116 Designed for Managing3-to •
Fail-Safe Operationof Pack Protection
16-Series-Cell Battery Systems Circuits: Upto Three Power MOSFETs and
One Secondary Safety Output (Fuse)–
Support for LCD and Electronic Paper
Displaysor 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 Sensingof Cell •
Mobility Devices (E-Bike)Problems •
Uninterruptible Power Supplies and Hand-Held–
Fail Safe: Detectionof Event Precursors Tools•
Rate-of-Change Detectionof All Important Cell
Characteristics: DESCRIPTION Impedance The bq78PL116 master gateway battery controlleris–
Cell Temperature partofa complete Li-Ion control, monitoring, and
safety solution designed for large series cell strings.•
PowerPump Technology Transfers Charge
Efficiently From Cellto Cell During All The bq78PL116 along with bq76PL102 PowerLAN™
Operating Conditions, Resultingin Longer dual-cell monitors provide complete battery-system
Run Time and Cell Life control, communications, and safety functions fora
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
Precise Charge-Flow system-induced noise from measurements and allows
Gas the precise, continuous, real-time calculationof cell
impedance under all operating conditions, even
One-per-Cellduring widely fluctuating load conditions.
Temperature, Current, transfers charge between
cellsto balance their voltage and capacity. Balancing
of possible during modes: charge,
Voltagesdischarge, and rest. Highly efficient•
Very Low Power circuitry nearly eliminates loss providing<
85 μA true real-time balance between cells, resultingin
Shutdown longer run-time and improved cycle life.
Monitoring
