BQ78PL116 Series
PowerLAN Master gateway controller with PowerPump cell Balancing technology
Manufacturer: Texas Instruments
Link to Manufacturer Page: https://www.ti.com/
Catalog
PowerLAN Master gateway controller with PowerPump cell Balancing technology
| Part | Fault Protection | Mounting Type | Interface | Operating Temperature [Max] | Operating Temperature [Min] | Package / Case | Supplier Device Package | Function | Number of Cells [Max] [custom] | Number of Cells [Min] [custom] | Battery Chemistry | Utilized IC / Part | Supplied Contents | Embedded | Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments BQ78PL116RGZR | Over Current, Over Temperature, Over/Under Voltage, Short Circuit | Surface Mount | SMBus | 85 °C | -40 °C | 48-VFQFN Exposed Pad | 48-VQFN (7x7) | Multi-Function Controller | 16 | 3 | Lithium Ion | ||||
Texas Instruments BQ78PL116RGZT | Over Current, Over Temperature, Over/Under Voltage, Short Circuit | Surface Mount | SMBus | 85 °C | -40 °C | 48-VFQFN Exposed Pad | 48-VQFN (7x7) | Multi-Function Controller | 16 | 3 | Lithium Ion | ||||
Texas Instruments BQ78PL116EVM | Battery Gauge | BQ76PL102, BQ78PL116 | Board(s) | Power Management |
Key Features
• bq78PL116 Designed for Managing 3- to 16-Series-Cell Battery SystemsSupport for LCD and Electronic Paper Displays or EPDsConfigurable for 11-A, 26-A, or 110-A Operating CurrentsSystems With More Than Four Series Cells RequireExternal bq76PL102 Dual-Cell MonitorsSmartSafety Features:Prevention: Optimal Cell ManagementDiagnosis: Improved Sensing of Cell ProblemsFail Safe: Detection of Event PrecursorsRate-of-Change Detection of All Important Cell Characteristics:ImpedanceCell TemperaturePowerPump Technology Transfers Charge Efficiently From Cell to CellDuring All Operating Conditions, Resulting in Longer Run Time and Cell LifeIncludes User-Configurable PowerPump Cell-Balancing ModesHigh-Resolution 18-Bit Integrating Delta-Sigma Coulomb Counter forPrecise Charge-Flow Measurements and Gas GaugingMultiple Independent-ADCs: One-per-Cell Voltage,Plus Separate Temperature, Current, and SafetySimultaneous, Synchronous Measurement of Pack Current andIndividual Cell VoltagesVery Low Power Consumption< 400 µA Active, < 185 µA Standby, < 85 µA Ship,and < 1 µA Undervoltage ShutdownAccurate, Advanced Temperature Monitoring of Cells and MOSFETsWith up to 4 SensorsFail-Safe Operation of Pack Protection Circuits: Up to Three Power MOSFETsand One Secondary Safety Output (Fuse)Fully Programmable Voltage, Current, Balance, andTemperature-Protection FeaturesExternal Inputs for Auxiliary MOSFET ControlSmart Battery System 1.1 Compliant via SMBusAPPLICATIONSPortable Medical Instruments and Test EquipmentMobility Devices (E-Bike)Uninterruptible Power Supplies and Hand-Held ToolsPowerLAN, PowerPump, bqWizard are trademarks of Texas Instruments.All other trademarks are the property of their respective owners.bq78PL116 Designed for Managing 3- to 16-Series-Cell Battery SystemsSupport for LCD and Electronic Paper Displays or EPDsConfigurable for 11-A, 26-A, or 110-A Operating CurrentsSystems With More Than Four Series Cells RequireExternal bq76PL102 Dual-Cell MonitorsSmartSafety Features:Prevention: Optimal Cell ManagementDiagnosis: Improved Sensing of Cell ProblemsFail Safe: Detection of Event PrecursorsRate-of-Change Detection of All Important Cell Characteristics:ImpedanceCell TemperaturePowerPump Technology Transfers Charge Efficiently From Cell to CellDuring All Operating Conditions, Resulting in Longer Run Time and Cell LifeIncludes User-Configurable PowerPump Cell-Balancing ModesHigh-Resolution 18-Bit Integrating Delta-Sigma Coulomb Counter forPrecise Charge-Flow Measurements and Gas GaugingMultiple Independent-ADCs: One-per-Cell Voltage,Plus Separate Temperature, Current, and SafetySimultaneous, Synchronous Measurement of Pack Current andIndividual Cell VoltagesVery Low Power Consumption< 400 µA Active, < 185 µA Standby, < 85 µA Ship,and < 1 µA Undervoltage ShutdownAccurate, Advanced Temperature Monitoring of Cells and MOSFETsWith up to 4 SensorsFail-Safe Operation of Pack Protection Circuits: Up to Three Power MOSFETsand One Secondary Safety Output (Fuse)Fully Programmable Voltage, Current, Balance, andTemperature-Protection FeaturesExternal Inputs for Auxiliary MOSFET ControlSmart Battery System 1.1 Compliant via SMBusAPPLICATIONSPortable Medical Instruments and Test EquipmentMobility Devices (E-Bike)Uninterruptible Power Supplies and Hand-Held ToolsPowerLAN, PowerPump, bqWizard are trademarks of Texas Instruments.All other trademarks are the property of their respective owners.
Description
AI
The bq78PL116 master gateway battery controller is part of a complete Li-Ion control, monitoring, and safety solution designed for large series cell strings.
The bq78PL116 along with bq76PL102 PowerLAN™ dual-cell monitors provide complete battery-system control, communications, and safety functions for a structure of three up to 16 series cells. This PowerLAN system provides simultaneous, synchronized voltage and current measurements using one A/D per-cell technology. This eliminates system-induced noise from measurements and allows the precise, continuous, real-time calculation of cell impedance under all operating conditions, even during widely fluctuating load conditions.
PowerPump technology transfers charge between cells to balance their voltage and capacity. Balancing is possible during all battery modes: charge, discharge, and rest. Highly efficient charge-transfer circuitry nearly eliminates energy loss while providing true real-time balance between cells, resulting in longer run-time and improved cycle life.
Temperature is sensed by up to 4 external sensors and one on-chip sensor. This permits accurate temperature monitoring of each cell individually. Firmware is then able to compensate for the temperature-induced effects on capacity, impedance, and OCV on a cell-by-cell basis, resulting in superior charge/ discharge and balancing control.
External MOSFET control inputs provide user- definable direct hardware control over MOSFET states. Smart control prevents excessive current through MOSFET body diodes. Auxiliary inputs can be used for enhanced safety and control in large multicell arrays.
The bq78PL116 is completely user-configurable, with parametric tables in flash memory to suit a variety of cell chemistries, operating conditions, safety controls, and data reporting needs. It is easily configured using the supplied bqWizard graphical user interface (GUI). The device is fully programmed and requires no algorithm or firmware development.
The bq78PL116 pin functions of LED1/SEG1–LED5/SEG5, PSH/BP/TP, and FIELD support LED, LCD, and electronic paper displays (EPDs). The user can configure the bq78PL116 for the desired display type.
The bq78PL116 master gateway battery controller is part of a complete Li-Ion control, monitoring, and safety solution designed for large series cell strings.
The bq78PL116 along with bq76PL102 PowerLAN™ dual-cell monitors provide complete battery-system control, communications, and safety functions for a structure of three up to 16 series cells. This PowerLAN system provides simultaneous, synchronized voltage and current measurements using one A/D per-cell technology. This eliminates system-induced noise from measurements and allows the precise, continuous, real-time calculation of cell impedance under all operating conditions, even during widely fluctuating load conditions.
PowerPump technology transfers charge between cells to balance their voltage and capacity. Balancing is possible during all battery modes: charge, discharge, and rest. Highly efficient charge-transfer circuitry nearly eliminates energy loss while providing true real-time balance between cells, resulting in longer run-time and improved cycle life.
Temperature is sensed by up to 4 external sensors and one on-chip sensor. This permits accurate temperature monitoring of each cell individually. Firmware is then able to compensate for the temperature-induced effects on capacity, impedance, and OCV on a cell-by-cell basis, resulting in superior charge/ discharge and balancing control.
External MOSFET control inputs provide user- definable direct hardware control over MOSFET states. Smart control prevents excessive current through MOSFET body diodes. Auxiliary inputs can be used for enhanced safety and control in large multicell arrays.
The bq78PL116 is completely user-configurable, with parametric tables in flash memory to suit a variety of cell chemistries, operating conditions, safety controls, and data reporting needs. It is easily configured using the supplied bqWizard graphical user interface (GUI). The device is fully programmed and requires no algorithm or firmware development.
The bq78PL116 pin functions of LED1/SEG1–LED5/SEG5, PSH/BP/TP, and FIELD support LED, LCD, and electronic paper displays (EPDs). The user can configure the bq78PL116 for the desired display type.