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
Sub block diagram
Charging 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
Charging 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
Charging circuit (Ground fault sensing circuit)
Example of a charging circuit in which a ground fault sensing circuit is configured using a photorelay
Application / Battery Management System for Automotive
Passive cell voltage regulation (Use of PMIC)
Example of passive cell voltage regulation circuit using PMIC
Application / Battery Management System for Automotive
Passive cell voltage regulation (Not use of PMIC)
Example of passive cell voltage regulation 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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