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  • BQ2970: BQ2970DSE - Over Discharge / Charge Current Protection

    Resolved
    Part Number: BQ2970 Hello, I am making a safety assessment on a product that uses this device for battery protection. Can somebody help me please How is the over current level determined ? as i need to prove that the circuit meets power dissipation levels…
    • Resolved

  • BQ2970: How to realize battery ship mode

    TI Thinks Resolved
    Part Number: BQ2970 The customer want to realize the ship mode function to disconnect the battery. They want to use other MCU IO to supply V- pin 3.3V to achieve over-current, disconnect the battery ground to achieve the function of entering ship mode…

  • BQ2970: OVP Voltage 4.45V

    TI Thinks Resolved
    Part Number: BQ2970 The customer want to choose one Protector, whose OPV >4.45V; I see Factory Device Configuration: 3.85 V to 4.60 V in 50-mV steps. But I did not find specific device number. So, What Factory Device Configuration means?
    • Answered

  • BQ2970: COUT does not go high when VOCHG is detected

    Resolved
    Part Number: BQ2970 Other Parts Discussed in Thread: BQ24040 Hi, Our customer evaluating bq29707 with bq24040 on their test board. Now they are trying to charge deplated battery then they are facing the anomary behabior that COUT does not go high when…
    • Resolved

  • BQ2970: Low-current application

    TI Thinks Resolved
    Part Number: BQ2970 Other Parts Discussed in Thread: CSD13381F4 , BQ2980 , BQ2982 I'm looking at this part for protecting a rechargeable lithium coin cell, with maximum charge and discharge current about 50mA. Sizing the FETs for this is difficult; the math…

  • BQ2970: How to program fault threshol

    TI Thinks Resolved
    Part Number: BQ2970 Hi, I am using BQ29707DSET in my application. In the datasheet it is mentioned that we can program fault detection threshold. It is shown below; I cannot seem to find how to program them since there is no communication interface…

  • BQ2970: Cascaded BQ2970 for 2S battery pack

    TI Thinks Resolved
    Part Number: BQ2970 Hi, Good day! Can two BQ2970 ICs be cascaded for 2 cells of a 2S battery pack and used?
    • Answered

  • BQ2970: Please verify the schematics

    Resolved
    Part Number: BQ2970 Other Parts Discussed in Thread: BQ25303J Hallo Team, I am using BQ25303J and BQ29700 as my charger and protection solution for a 3,7 V LiPo battery application. My application specifications are as follows: 3.7V LiPo battery is used…
    • Resolved
    • Answered

  • BQ2970: Battery not detected after a UVP condition.

    Resolved
    Part Number: BQ2970 Hallo, I have designed a sensor that uses bq29728DSER as a proetction IC. I am using MCP3831T as a recharging IC and STC3115 as a fuel gauge. The schematic is attached below. I am using a single cell LiPo 3,7V 500mAh rectangular battery…
    • Resolved
    • Answered

  • BQ2970: Protection for 5 cells in parallel

    Resolved
    Part Number: BQ2970 Hi Team, We received a similar inquiry to the other thread but the customer will use 5 cells in parallel instead of 4. As I understand, 1pc. BQ2970 can protect 1 cell and 5pcs. can protect 5 cells. How is the configuration of the 5pcs…
    • Resolved

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