Battery Management

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Battery Management

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battery monitor
Related Posts

  • Forum Post: need a help about backup battery bq24070

    lilly
    Hello! I'm looking for some circuit to monitor the state of battery pack. Tried to search from product list, but it seems a bit to many products and i failed looking for the right one, maybe I was looking in a wrong place. I need a <500ma and 3.3V battery.when power is ON the battery should...
    on Apr 21, 2010

  • Forum Post: 12vdc BATTERY LEVEL MONITOR

    Mike Barnacastle
    Hello all: Does TI offer a simple battery voltage level indicator for a sealed lead acid battery, 12VDC? We use an off the shelf UB1280 8AH battery in our 'to go kit' sat radio cases, and my source that we obtained a simple battery monitor / level board from has "gone away" Basically...
    on Oct 29, 2009

  • Forum Post: BQ32000 RTC

    Itzik Mizrachi
    (1) At first power-up, the time registers have gibrish values in them, and the UBOOT (initial code that is running during boot) needs to have special code to update them before the Linux driver can even access it. Usually RTC is supposed to wake up with some initial value (that is not gibrish). ...
    on Sep 12, 2010

  • Forum Post: BQ32000 -external capacitors

    Itzik Mizrachi
    Does the crystal connected to the BQ32000 need external capacitors?
    on Sep 12, 2010

  • Forum Post: NTC resistor for BQ24401

    Joe Lee
    Hi, As BQ24401 is selected to use, may I have a suggestion about the NTC thermistor for TS described in datasheet? Br, Joe
    on May 21, 2011

  • Forum Post: Battery Protection IC

    Teck Chien PEK
    Hi, I am working on Li-ion battery protection circuit module for 4S configuration. The nominal charging voltage specified by the cell is 4.35V and cell supplier recommend overcharge detection at 4.43V and overdischarge at 2.30V. Is there any IC that anyone would recommend? Thank you.
    on Jul 8, 2011

  • Forum Post: BQ2057T - How to charge 7.2 battery by using BQ2057T?

    Surya70007
    Hello , I would like know is it possible to charge 7.2v (two 3.6 volt cells) by using BQ2057T? if possible how to design the voltage divider circuit for 7.2V. Thanks in advance
    on Oct 21, 2011

  • Forum Post: BQ27505 fuel gauge to charger BQ24072 connection

    Anis
    hi, what is the best way to interconnect the fuel gauge BQ27505 and the charger BQ24072? I want to only use the battery pack thermistor for both. from what I found in the literature the best solution is to connect the thermistor to the fuel gauge and use the BAT_GD signal to control the charger...
    on Jan 28, 2012

  • Forum Post: BQ24160 issue

    veera venkateswara rao pusala
    Hi, I am using BQ24160 IC for my project, my problem is, the charger IC is generating interrupt ( reset ) to the processor when battery is not present, then again system is re-booting . please let me know what are the registers i need to do? my system is working when battery is present. ...
    on Feb 20, 2012

  • Forum Post: SLA charger and gas gauge IC combo

    TIM FOSTER
    I am working on a new design that will incorporate a battery backup, similar to a UPS. The battery that we will use will either be a 12V 100Ah or 12V 1Ah SLA (system is configurable at time of purchase to have one or the other). I have been looking through the forums and through the technical literature...
    on Feb 22, 2012

  • Forum Post: Re: Using BQ2954

    boon seong thng
    For the LEDS, 1) BTST led on means: BTST pin from the IC is high. CHG led on means: CHG pin from the IC is low. 2) I'm sorry, that was a mistake, it is 4 LiFePO4 cells in series . 3) The voltage across our current sense resistor (0.05ohms) is 12.5mV. The datasheet of our current sense...
    on Apr 11, 2012

  • Forum Post: Re: Using BQ2954

    boon seong thng
    The following are the waveforms at the various IC pins of bq2954 and the power mosfet Q5 in our circuit (All waveforms taken CH2 on oscilloscope): MOD waveform at pin 14 of IC: TS waveform at pin 8 of IC: SNS waveform at pin 7 of IC: BAT waveform at pin 3 of IC: ...
    on Apr 11, 2012

  • Forum Post: BQ77PL900

    Fatih Levent Yılmaz
    Hello folks, I'll be using the BQ77PL900 IC to manage 9 li-po cells in series. The thing is in the specs of the planned cells of Kokam states that the max continues charge current is 225 and discharge is 450 Amps where in the datasheet of this IC I'm planning use writes that its based for max...
    on Nov 23, 2012

  • Forum Post: USB input, LiPo storage, 3.3V output

    Brent Wilkins
    I'm in search of a product (or set of products) that will take 5V over USB and provide power to my system at a regulated 3.3V , and also manage the charging/discharging of a 3.7V LiPo cell. I would like a variable current draw so that the device is USB spec compliant, but will also draw as much...
    on Jun 23, 2011

  • Forum Post: BQ2002T Unknown state between Fast Charge and trickle

    David Mittmann
    I have 6 BQ2002T's idependently charging 6 9V NiMH's. Sometimes the CC pin will go from Fast chage (Steady VCC) to some randomly pulsating state and either stay in that state, or some time later going to trickle chage (286us pulse everly 18.3ms). I can cycle the power on the device and that same...
    on May 20, 2013

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