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  • BQ2004: BQ2004 - NiMH charger for the function of over discharging protection

    TI Thinks Resolved
    Part Number: BQ2004 Other Parts Discussed in Thread: BQ24190 Dear E2E, customer is looking for NiMH battery charger solution with the function of over-discharge protection. I didn't see power path FET in reference circuit. could this part have the protected…
    • Answered

  • BQ2004: external 5V for VCC

    Resolved
    Part Number: BQ2004 Deart E2E member, Does BQ2004 need to external 5V to IC? Thanks!
    • Resolved
    • Answered

  • BQ2004: 15cells application

    Resolved
    Part Number: BQ2004 Dear all. We need 15cells NiMH charger. Can we modify DV2004S1? Regards, PAN-M
    • Resolved

  • BQ2004: Battery not being fully charged.

    TI Thinks Resolved
    Part Number: BQ2004 I am using the BQ2004 development kit to evaluate it's ability to charge our cell pack (10 cell NiMH, 1.2V per cell, 4.5Ah capacity). I have the board set up as follows: TM1=Low, TM2=High, VSEL=High, DSEL=High, INH=High. Power to the…

  • RE: BQ2004: Charging time

    After reconnect the power supply, the charger re-start the charging routing. No matter the full charge or not because customers could change the battery which has different voltage or characteristics.

  • Bq2004 safety timeout issue

    We have a standard design that uses 8 Amp Hour batteries and the BQ 2004 charger is well within the safety time out, however we also are paralleling 3 8 amp hour batteries for total 24 amp hours on the same ship and a custom design. How do we work around…
    • Answered

  • BQ2004 fast charge timeout workaround

    Resolved
    Other Parts Discussed in Thread: BQ2004 Help.... In our standard battery charging design, the chip is set for a standard single 8ah battery, with a C/2 fast charge rate(ie - 4A charge current). This battery takes approximately 2hrs to charge, well within…
    • Resolved
    • Answered

  • BQ2004 charge current is low

    Resolved
    Other Parts Discussed in Thread: BQ2004 In our charger the BQ2004 is regulating the charge current about 20% low. The DC voltage on the SNS pin is regulating at about 180mV instead of the expected 225mV. Is there a lot of chip to chip variation of the…
    • Resolved

  • BQ2004 Fast-charge safety Time

    Hi How much is the variation of that time? Is it +/- 16% ? (On the datasheet , it is mentioned that the tolerance on all timing is +/- 16%.) Regards, Koji Hamamoto

  • BQ2004 Voltage sampling

    Other Parts Discussed in Thread: BQ2004 Hi I would like to understand how does this device sample the voltage at BAT pin and how does this device detect the -dV termination.o On the datasheet ( "PVD and -V termination" section , "Voltage sampling" section…

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