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TIDA-01528

Ultra Low Power Reference Design for Secondary Protection for Over/Under Temperature Conditions

Design files

TIDA-01528

Design files

Overview

This reference design implements a secondary thermal monitoring solution for large scale battery packs. Many industry guidelines require the secondary temperature system to remain powered and operational in the event that the primary power supply is lost. This design is capable of continuing operation in a low power state by utilizing low power, factory preset thermal trip points, on a super capacitor powered backup rail. The solution ensure that any over or under temperature event can be captured and dealt with even when the main system controller's power is unavailable, increasing the safe operating window of the total system.

Features
  • Ability to provide thermal monitoring and protection during normal operation or when the primary circuit has lost power
  • Ultra-low power TMP303 uses just 5µA max per device
  • Integrated backup power source via a SuperCap and charger
  • Satisfy primary and secondary protection requirements with interface for TI cell supervisors for charge control
  • Factory programmable over/under temperature trip points with hysteresis
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Design files & products

Design files

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

download Design guide — TIDA-01528
TIDUDM4.PDF (337 KB)

Reference design overview and verified performance test data

download Assembly drawing — TIDA-01528
TIDRVL4.PDF (177 KB)

Detailed overview of design layout for component placement

download Bill of materials (BOM) — TIDA-01528
TIDRVL3.PDF (89 KB)

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

download CAD/CAE symbol — TIDA-01528
TIDRVL6.ZIP (1513 KB)

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

download Gerber file — TIDA-01528
TIDCEH9.ZIP (477 KB)

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

download PCB layout — TIDA-01528
TIDRVL5.PDF (1010 KB)

PCB layer plot file used for generating PCB design layout

download Schematic — TIDA-01528
TIDRVL2.PDF (322 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

Battery charger ICs

BQ25570 — Ultra Low power Harvester power Management IC with boost charger, and Nanopower Buck Converter

Data sheet: PDF | HTML
Temperature switches

TMP303 — Factory Programmed Temperature Window Comparator

Data sheet: PDF | HTML

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Hardware development

Development kit

MSP-EXP430FR5994 — MSP430FR5994 LaunchPad™ development kit

This reference design implements a secondary thermal monitoring solution for large scale battery packs. Many industry guidelines require the secondary temperature system to remain powered and operational in the event that the primary power supply is lost. This design is capable of continuing (...)
EVM user’s guide: PDF | HTML
Supported products & hardware

Supported products & hardware

Hardware development
Reference design
TIDA-01528 — Ultra Low Power Reference Design for Secondary Protection for Over/Under Temperature Conditions TIDM-FILTERING-SIGNALPROCESSING — Filtering and signal processing reference design using MSP430 FRAM microcontroller TIDM-FRAM-EEPROM — EEPROM Emulation and Sensing With MSP430 FRAM Microcontrollers
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MSP-EXP430FR5994 — MSP430FR5994 LaunchPad™ development kit

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Hardware development
Reference design
TIDA-01528 — Ultra Low Power Reference Design for Secondary Protection for Over/Under Temperature Conditions TIDM-FILTERING-SIGNALPROCESSING — Filtering and signal processing reference design using MSP430 FRAM microcontroller TIDM-FRAM-EEPROM — EEPROM Emulation and Sensing With MSP430 FRAM Microcontrollers
TI’s Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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* Design guide Ultra-Low-Power Design—Secondary Protection for Over/Undertemp Conditions in ESS Dec 12, 2017

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