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About information presented in this cross reference

The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.

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Battery Management System for Automotive

Solution Proposal

These documents explain the key points of recommended semiconductor products and their features. Please use them for product selection.

Overall block diagram

Overall block diagram example

Sub block diagram

Charge circuit (Prevention of sticking)
Example of a charging circuit in which a semiconductor switch is configured using a photovoltaic output photocoupler

Application / Battery Management System for Automotive

Charge circuit (Detection of mechanical relay sticking)
Example of a charging circuit in which a photorelay is used to configure a mechanical relay sticking detection circuit

Application / Battery Management System for Automotive

Charge circuit (Ground fault detection)
Example of a charging circuit in which a ground fault detection circuit is configured using a photorelay

Application / Battery Management System for Automotive

Passive cell voltage regulation (Use of PMIC)
Example of passive cell voltage adjustment circuit using PMIC

Application / Battery Management System for Automotive

Passive cell voltage regulation (Not use of PMIC)
Example of passive cell voltage adjustment circuit without PMIC

Application / Battery Management System for Automotive

Battery monitoring circuit
Example of battery total voltage monitoring circuit using photorelay and IC output photocoupler

Application / Battery Management System for Automotive

Adding redundancy to communications
Example of communication redundancy using a photocoupler

Application / Battery Management System for Automotive

Battery shutdown circuit
Example of a battery shutdown circuit using a mechanical relay

Application / Battery Management System for Automotive

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