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TIDA-010279

Up to 1500V stackable battery management unit reference design for energy storage systems

TIDA-010279

Design files

Overview

This reference design is a full cell-temperature sensing and high cell-voltage accuracy Lithium-ion (Li-ion), lithium iron phosphate (LiFePO4) battery pack (52s). The design monitors each cell voltage, cell temperature, and protects the battery pack for safe use. This design supports both daisy-chain and controller area network (CAN) interfaces for a stackable communication up to 1500V battery energy storage systems. These features make this reference design applicable for high-capacity battery pack applications.

Features
  • ±2.5mV voltage accuracy at –40°C to 85°C without calibration
  • Full cell-temperature sensing with multiplexer (MUX)
  • Robust and programmable battery cell and pack protection
  • Robust daisy-chain communication with data reclocking and ring architecture
  • 7μA in shutdown mode
  • Supports stackable architecture through daisy chain and CAN interface up to 1500V
  • Compatible with bus bar or no bus bar connection
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

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

PDF | HTML
TIDUFB6.PDF (807 K)

Reference design overview and verified performance test data

TIDMDN7.PDF (1755 K)

Detailed schematic diagram for design layout and components

TIDMDN8.PDF (209 K)

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

TIDMDN9.PDF (2002 K)

Detailed overview of design layout for component placement

TIDMDO1.ZIP (8825 K)

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

TIDCGU2.ZIP (1283 K)

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

TIDMDO0.PDF (10411 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Analog switches & muxes

TMUX13085-V, 8:1, 1-channel general-purpose multiplexer with 1.8-V logic control

Data sheet: PDF | HTML
Arm Cortex-M0+ MCUs

MSPM0G351980 MHz ARM® Cortex®-M0+ MCU with dual-bank 512kB flash, 128kB SRAM, 2xCAN-FD, 2xADC, DAC, COMP

Data sheet: PDF | HTML
Battery monitors & balancers

BQ78706Industrial 14-s stackable battery monitor, balancer and integrated protector compliant to ASIL-B

Data sheet: PDF | HTML
Isolated power modules (integrated transformer)

UCC33421-Q1Automotive, 5V/5V, 1.5W 5kVrms isolated DC-DC power module with integrated transformer

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Design guide Up to 1500V Stackable Battery Management Unit Reference Design for Energy Storage Systems PDF | HTML Dec. 13, 2024

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