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BQ25895M: Working clarification

NIKHITHA ANTONY
Intellectual 340 points
Part Number: BQ25895M

Whether charging IC BQ25895M works without any software. Current we are planning to use this IC for charging of battery and for getting power for OTG cable from PMID pin of IC. As our assumption, in default mode charging IC will work without any software. 

Kindly let me know whether our assumption is correct or not.

As per page number 31 of datasheet(Device functional modes), we are in the assumption that, this charging IC can work without any software.

  • 0
    TI__Mastermind 46611 points

    Hi,

    Referring to 8.2.7.1 Autonomous Charging Cycle, with battery charging is enabled (CHG_CONFIG bit = 1 - default and CE pin is low), the device autonomously completes a charging cycle without host involvement with the device default charging settings. Please check the default settings listed on Register Maps on the d/s and see if the default settings fit your application and batteries being used.

    8.3.1 Host Mode and Default Mode on the d/s also states that the device is a host controlled charger, but it can operate in default mode without host management. In default mode, the device can be used an autonomous charger with no host or while host is in sleep mode. After power-on-reset, the device starts in default mode with watchdog timer expired, or default mode. All the registers are in the default settings.

    Thanks,

    Ning.

  • 0
    TI__Prodigy 20 points

    Hello Ning,

    The OEM has expressed concern this is taking too long to resolve via the forum.  They would like to set up a call to discuss.  Can you email me at Shawn Waymire in the TI system, so we can support this request to get closure?  I can also forward you that email string.

  • 0 in reply to Shawn Waymire
    TI__Mastermind 46611 points

    Shawn,

    Sure. let's resolve the inquiry via other channel. The thread is considered closed.

    Thanks,

    Ning.