The disclosure provides a battery management device, method, and a chip. The device includes: an analogue-digital conversion module connected with a first power supply access terminal, a second power supply access terminal and an impedance measuring module: wherein the analogue-digital conversion module is configured to achieve analog-digital conversion between an accessed power supply and the impedance measuring module; the accessed power supply is, when the battery management device works, a power supply to which the first power supply access terminal and the second power supply terminal are accessed; the impedance measuring module is further connected with a comparator module and a driving module; the impedance measuring module is configured to test an impedance of the accessed power supply; the comparator module is configured to compensate delay generated by the driving module and an excitation signal generating module; and the driving module is configured to drive the battery management device to work; and the excitation signal generating module is connected with the comparator module, the driving module, the first power supply access terminal and the second power supply access terminal. According to embodiments of the disclosure, performance indexes of a power supply to be measured can be accurately measured in an accurate impedance testing mode.


    Access

    Download


    Export, share and cite



    Title :

    BATTERY MANAGEMENT DEVICE, METHOD AND CHIP


    Additional title:

    BATTERIEVERWALTUNGSVORRICHTUNG, -VERFAHREN UND -CHIP
    DISPOSITIF DE GESTION DE PILE, PROCÉDÉ ET PUCE


    Contributors:
    LI JIANFENG (author) / LI HAI (author)

    Publication date :

    2020-12-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



    Battery management device, method and chip

    LI JOHNNY / LI HAI | European Patent Office | 2021

    Free access

    BATTERY MANAGEMENT DEVICE, METHOD AND CHIP

    LI JOHNNY / LI HAI | European Patent Office | 2021

    Free access

    Multi-battery management chip system

    WU JIANLIANG / WU JIE | European Patent Office | 2022

    Free access

    Battery cell management chip, battery system and vehicle

    BAO WENJING / LI JIE / LI QIFENG et al. | European Patent Office | 2023

    Free access

    BATTERY CELL MANAGEMENT CHIP, AND BATTERY SYSTEM AND VEHICLE

    BAO WENJING / LI JIE / LI QIFENG et al. | European Patent Office | 2023

    Free access