TIDA-00817

16-Channel Active Cell Balance Reference Design

TIDA-00817

Design files

Overview

16-Cell EV/HEV High Current Active Balance Solution, using the latest automotive battery management monitor and protector, the bq76PL455A-Q1. It provides high-performance battery management solution for large capacity battery packs, by combining the high integration and accuracy of the bq76PL455A-Q1 with a bi-directional DC-DC cell balancer. This allows any of 16 cell inputs to be charged or discharged as needed at up to 5A, and modules can be stacked up to 1300V.

Features
  • Highly accurate monitoring of 16 li-ion cells
  • Integrated protector
  • 2 - 5A active balance
  • Fully isolated transfer to external 12V supply/battery
  • 1-Mb/s stackable isolated differential-UART

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDUBZ7.PDF (998 K)

Reference design overview and verified performance test data

TIDRN59A.PDF (2290 K)

Detailed schematic diagram for design layout and components

TIDRN60A.PDF (168 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRN61A.PDF (1681 K)

Detailed overview of design layout for component placement

TIDRN64A.ZIP (5632 K)

Files used for 3D models or 2D drawings of IC components

TIDRN63A.ZIP (3903 K)

Files used for 3D models or 2D drawings of IC components

TIDCCI6A.ZIP (976 K)

Design file that contains information on physical board layer of design PCB

TIDRN62A.PDF (8905 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Battery monitors & balancers

BQ76PL455A-Q116-cell battery monitor with passive cell balancing

Data sheet document-pdfAcrobat PDF open-in-new HTML
ESD & surge protection ICs

TPD4E05U06-Q1Automotive Quad 0.5-pF, 5.5-V, ±12-kV ESD protection diode for USB & High Speed Interfaces

Data sheet document-pdfAcrobat PDF open-in-new HTML
Isolated DC/DC converters & modules

LM50187.5-100V Wide Vin, 300mA Constant On-Time Synchronous Buck Regulator

Data sheet document-pdfAcrobat PDF open-in-new HTML
N-channel MOSFETs

CSD18504Q5A40-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 6.6 mOhm

Data sheet document-pdfAcrobat PDF open-in-new HTML

Start development

Hardware

Evaluation board

EM1402EVM – 16-Channel Active Cell Balance Evaluation Module

16-Cell EV/HEV High Current Active Balance Solution, using the latest automotive battery management monitor and protector, the bq76PL455A-Q1. It provides high-performance battery management solution for large capacity battery packs, by combining the high integration and accuracy of the bq76PL455A-Q1 (...)
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Software

Code example or demo

TIDA-00817 EM1402EVM Example Code – TIDCCI7.ZIP (4560 K)

Technical documentation

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Type Title Date
* Design guide 16-Cell Li-lon Battery Active Balance Design Guide Jun. 15, 2016

Related design resources

Reference designs

REFERENCE DESIGN
TIDA-00717 16-Cell HEV/EV Integrated Battery Monitor and Protector with Passive Balancing Reference Design

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