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  • When I plug in the charger to the mobile, what is the means of communication between the mobile and the battery, i,e, what signal is generated when a charger is plugged in and where is it generated. How does the mobile know that a charger has been plugged in and allows battery charging? How to get control of that point?😕
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  • reachrkata

    Member • Dec 4, 2010

    There is usually a battery management IC which does this. It senses the presence/absence of power and starts charging accordingly.
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  • kiruthikar

    Member • Dec 4, 2010

    reachrkata
    There is usually a battery management IC which does this. It senses the presence/absence of power and starts charging accordingly.
    Is there any means of getting access of that ic using a microcontroller? please help
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  • Harshad Italiya

    Member • Dec 4, 2010

    I think Microcontroller decide that using ADC value of the voltage. Not sure !
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  • shreyasm89

    Member • Dec 20, 2010

    @godfather- I guess the charger input is DC itself so problem of ADC is solved.
    @kiruthikar- I'm sceptical as to whether that power management IC will be digital.This should solve most of your queries-https://www.siliconfareast.com/power-mgt-ic.htm
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  • NDL

    Member • Dec 21, 2010

    Not from that field but with my personal experience I would say it may be the same IC. as few days later my mobile got damaged and it was not showing anything not even it was charging. The engineer told me that its IC has been damaged and they will have to replace it.
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  • Harshad Italiya

    Member • Dec 22, 2010

    shreyasm89
    @godfather- I guess the charger input is DC itself so problem of ADC is solved.
    @kiruthikar- I'm sceptical as to whether that power management IC will be digital.This should solve most of your queries-https://www.siliconfareast.com/power-mgt-ic.htm
    Yes. 😀
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