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  • BQ25176M: Minimum voltage difference for dual input and ORing Diode

    Resolved
    Part Number: BQ25176M Other Parts Discussed in Thread: BQ25306 Hi, I have seen that on the PDF for the BQ25176M , if I understand it correctly, that on P6, it states the following: VDO Dropout voltage (VIN - VOUT) VIN falling, VOUT = 4.35V, IOUT …
    • Resolved
    • Answered

  • BQ25176M: linear battery charger for LiFePO4 cell

    Resolved
    Part Number: BQ25176M Hi Team, My customer is looking for a linear battery charger device for LiFePO4 cell and refer the below required spec. If there have any devices please advise. Required Parameters: 1. Input source: USB_5V and Solar; USB Input…
    • Resolved

  • BQ25176M: Behaviuor with LiFePo4 battery on open-circuit state undervoltage protection

    TI Thinks Resolved
    Part Number: BQ25176M Our LiFePo4 battery's protection circuit, when the battery drops down 2.0V, opens up the negative wire; to be resetted, it needs a voltage of 2.3V What's the behaviour of BQ25176M when connected to such a discharged LiFePo4 battery…
    • Answered

  • BQ25895: Parallel connection of battery cells

    Resolved
    Part Number: BQ25895 Other Parts Discussed in Thread: BQ27Z558 Dear Sirs and Madams, Our customer is considering using BQ25895 and BQ27Z558 in combination. Is it possible to use a lithium-ion battery connected to a battery charger in a 1S3P configuration…
    • Resolved

  • BQ21040: Can I use this module with a Wurth Electronics coil (760308101216) for wireless charging?

    Part Number: BQ21040 Other Parts Discussed in Thread: BQ25176M Tool/software: I am designing a product with wireless charging, and I was going to use a module designed specifically for wireless charging, but the price was too high for my product design…
    • Answered

  • BQ25176MEVM: Is max operating input voltage 6.6 V?

    Resolved
    Part Number: BQ25176MEVM Other Parts Discussed in Thread: BQ25176M Hi Team, I'm using the BQ25176MEVM Evaluation Module. Table 1-1 of the EVM User's Guide states that the maximum input voltage is 6.6V. However, the BQ25176M datasheet says the…
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    • Answered

  • BQ24232: Is the BQ24232 suitable for charging a small Lipo cell e.g. 200mAH from a very small solar panel e.g. 70mm x 50mm

    Resolved
    Part Number: BQ24232 Other Parts Discussed in Thread: BQ25176M , BQ25504 Would there be much difference in the efficiency in obtaining power from the panel, possibly in low light conditions, using this device versus a specialised solar charging control…
    • Resolved

  • BQ24010: Alternative that supports charging at -30C with a solar panel

    Part Number: BQ24010 Other Parts Discussed in Thread: BQ25171-Q1 , BQ25176M , BQ24210 , BQ24040 Hello, I've been suggested an alternative to the BQ24010, the BQ25171-Q1, because the operating temperature is 0C instead of the required -30C. However,…

  • RE: BQ25798: Energy-Harvesting Battery-Charging Power-Supplying IC Recommendation / System Design Help

    Hi Agatha, I agree this is not the most space efficient reference design. Unfortunately, TI doesn't have a boost charger with such a wide input voltage range. Also, although it appears that the 798 SYS output could provide the 5V rail, it cannot as…

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