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  • BQ2970: DOUT deasserted when battery hot plugged

    Resolved
    Part Number: BQ2970 Hi TI, On a design of mine with the BQ2970, I've found that DOUT is sent low when a battery is first connected to my circuit. DOUT goes high as soon as the battery is connected to a charger and stays high even when the charger is removed…
    • Resolved

  • BQ2970: When Battery voltage is < Underlockout voltage, BQ25101 doesn't charge it

    Part Number: BQ2970 Other Parts Discussed in Thread: BQ25101 , Hello, I have a circuit composed of a BQ25101 Lipo Charger with I_OUT set to 10mA and a BQ29700 protection chip. This circuit is made to have a very low power consumption and board size. When Battery…
    • Answered

  • BQ2970: Problem with initial "bootstrap"

    Resolved
    Part Number: BQ2970 Other Parts Discussed in Thread: CSD85301Q2 Hello fellows, I'm in the middle of testing this Li-Ion charger / protector, as schematic here: The problem is that the BQ29700 doesn't start in battery mode (QP1-2 doesn't trigger…
    • Resolved

  • BQ2970: Battery protection IC with 4.15V OVP voltage

    Part Number: BQ2970 Dear Experts, We are looking for a single-cell lithium battery protection IC and hope its OVP voltage is about 4.15V, from the BQ29700 datasheet I see that Vovp is 4.275V, and BQ297xy seems to be Vovp programmable, but I can't find…
    • Answered

  • BQ2970: The threshold of 0V INH

    Resolved
    Part Number: BQ2970 Other Parts Discussed in Thread: BQ2982 , Hi team, I want to check with you: What is the difference between V0CHG and V0INH? Is that the V0CHG means the charger voltage needs to large than 1.7V? and the V0INH means the battery voltage…
    • Resolved
    • Answered

  • BQ2970: Battery protection for 200mA max current

    Resolved
    Part Number: BQ2970 Other Parts Discussed in Thread: BQ24074 , BQ2980 , CSD16406Q3 , , CSD17483F4 I need some help to ensure I have the right design for my battery protection circuit. I have selected the BQ24074 charger. The battery is a 300mAh lithium polymer…
    • Resolved

  • BQ2970: Reverse connection protection for coin cell battery

    TI Thinks Resolved
    Part Number: BQ2970 The BQ297 series cell protection ICs proves UV, OV, OC protection to batteries. My question is, can this part be used to provide the same protections AND reverse connection protection for a rechargeable lithium ion coin cell battery…
    • Answered

  • BQ2970: Zero volt charging of battery with built-in protection circuit

    Resolved
    Part Number: BQ2970 Other Parts Discussed in Thread: BQ24074 , I am sorry to ask so many questions, but I would like to double check something regarding the zero volt charging of the BQ29700. My battery protection circuit looks like this The rest of the…
    • Resolved

  • BQ2970: MOSFET Recommendation for Lifepo4 cell

    TI Thinks Resolved
    Part Number: BQ2970 Other Parts Discussed in Thread: CSD85302L , CSD83325L Hi We are looking to use BQ29706 for a design powered with a single lifepo4 cell. Design requirements Continuous Charge current < 0.5A Continuous Discharge current < 5A As…

  • BQ2970: WSON LAND PATTERN (P/N: BQ29700DSER)

    TI Thinks Resolved
    Part Number: BQ2970 WSON described in the datasheet Is the LAND PATTERN correct? Datasheet(bq2970) P31_32) bq2970.pdf (bq2970) excerptP31,32_BQ29700DSER.pdf

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