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BQ78PL116RGZT +BOM

Battery Multi-Function Controller IC Lithium Ion 48-VQFN (7x7)

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

BQ78PL116RGZT
Datasheet:

BQ78PL116RGZT Datasheet (PDF)
Cell chemistry:

Li-Ion/Li-Polymer
Number of series cells:

2-4 Cells, >4 Cells
Communication interface:

SMBus
Battery capacity (min) (mAh):

1000
EDA/CAD Models:

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Email: [email protected]

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Tel: +852 95804164

BQ78PL116RGZT General 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.

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.

Key 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 - 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

PowerLAN, PowerPump, bqWizard are trademarks of Texas Instruments.
All other trademarks are the property of their respective owners.

Specifications

Cell chemistry	Li-Ion/Li-Polymer	Number of series cells	2-4 Cells, >4 Cells
Communication interface	SMBus	Battery capacity (min) (mAh)	1000
Battery capacity (max) (mAh)	32767	Implementation	Pack
External capacity indication	EPD, LCD	Features	Coulomb Counter
Operating temperature range (°C)	-40 to 85	Rating	Catalog
Pin Count	49	Released Date	Nov 13, 2019
Last Modified Date	Mar 7, 2023 4:10 PM UTC

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Ratings and Reviews

A**a 11/07/2020

fast shipping and very good capacitor thanks!!!

C**b 09/24/2020

Everything came safe and sound thanks

D**n 09/19/2020

The 88E6240-A1-TFJ2I000 components I bought from Avaq are exactly as described. They are authentic, packaged securely, and function perfectly. Avaq's efficient delivery and responsive customer service make them my go-to distributor.

J**s 02/29/2020

I requested the max30102 model and received the max30100 model