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Showing 305 results View by: Thread Post Sort by
  • BQ2970: Battery protection IC with 4.15V OVP voltage

    Rogers Chen
    Rogers Chen
    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…
    • over 2 years ago
    • Power management
    • Power management forum
  • BQ2970: WSON LAND PATTERN (P/N: BQ29700DSER)

    yasuhiko nudejima
    yasuhiko nudejima
    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
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • BQ2970: Initial fault condition on battery connection

    Angus Thomson
    Angus Thomson
    Resolved
    Part Number: BQ2970 It seems that when a battery is first connected to the BQ2970 its output is sometimes disabled due to an apparent fault condition. The wording in the datasheet specifically says "the discharging circuit might not be enabled", and the…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • BQ2970: Reverse connection protection for coin cell battery

    Phillip Karls
    Phillip Karls
    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…
    • over 2 years ago
    • Power management
    • Power management forum
  • BQ2970: When Battery voltage is < Underlockout voltage, BQ25101 doesn't charge it

    Rémi Bouteiller
    Rémi Bouteiller
    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…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • BQ2970: Battery protection for 200mA max current

    Jason Rennie
    Jason Rennie
    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…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • BQ2970: The data in the data sheet is not matching the test result of my PCB performance

    SANATH kumar
    SANATH kumar
    TI Thinks Resolved
    Part Number: BQ2970 Hi, I have implemented a battery protection circuit using the BQ2970. Additionally, I have created a circuit similar to the BQ2970 EVM. However, during testing, I did not obtain the expected values mentioned in the EVM specifications…
    • over 1 year ago
    • Power management
    • Power management forum
  • BQ2970: OVP Voltage 4.45V

    Fabio Gou
    Fabio Gou
    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?
    • over 2 years ago
    • Power management
    • Power management forum
  • BQ2970: BQ2970 battery reverse connection protection

    Yuting Li
    Yuting Li
    TI Thinks Resolved
    Part Number: BQ2970 Hi team, My customer use bq29700 in their project. They tests the battery reverse connection protection. Customer connect 330ohm resistor on BAT pin. When battery is reverse connection, customer measure about the current 300mA current…
    • over 4 years ago
    • Power management
    • Power management forum
  • BQ2970: MOSFET Recommendation for Lifepo4 cell

    Chaitanya Dasari
    Chaitanya Dasari
    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…
    • over 2 years ago
    • Power management
    • Power management forum
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