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  • BQ25505: Can BQ25505 work without battery?

    Resolved
    Part Number: BQ25505 Hi, support team My customer has the questions as follow: VBAT_ PRI and VBAT_SEC without connecting any batteries, VIN_DC is connected to a 1V 500uA solar panel. Can VSTOR output 5.5V? Thanks so much. Best regards, Yuki
    • Resolved
    • Answered

  • BQ25505: Question on the difference in RDS(ON) between BQ25505 and BQ25504

    Resolved
    Part Number: BQ25505 Other Parts Discussed in Thread: BQ25504 Hi, I have a question about the ON state resistance of the MOSFET between VSTOR and VBAT for BQ25505 and BQ25504. In the datasheet of BQ25504, only the maximum value is given (2 ohm) while in…
    • Resolved

  • BQ25505: Short-circuit and reverse voltage protection

    TI Thinks Resolved
    Part Number: BQ25505 Hi, Good day. Our customer would like to know if the BQ25505 have built in short-circuit and reverse voltage protection? Thank you. Regards, Cedrick
    • Answered

  • BQ25505: Help check the schematic diagram

    Resolved
    Part Number: BQ25505 Help check the schematic diagram of our charging part, thank you!
    • Resolved

  • BQ25505: Simultaneous charging and discharging

    Part Number: BQ25505 Other Parts Discussed in Thread: TPS61201 , Hello, i have a question regarding simultaneous charging and discharging. we are using the BQ25595 to charge a 100mAh (3.7V) LiPo Battery with 5C charge / discharge rating. The input power…
    • Answered

  • BQ25505: Solar cells in parallel question

    Resolved
    Part Number: BQ25505 I am planning to use the BQ25505 with multiple solar cells in parallel. Should there be any reverse protection between the cells? like the diagram below? Thanks for your help.
    • Resolved

  • BQ25505: Limiting charging current to battery at high temperature

    Part Number: BQ25505 Other Parts Discussed in Thread: BQ25100 Hi, I am using BQ25505 to charge my 4V battery using a solar cell. Solar cell will input about 90mW at 1 SUN My VBAT_OK=3V, so battery current can raise to 30mA. My battery maximum charging current…

  • BQ25505: BQ25505 BMS chip Battery protection availability

    TI Thinks Resolved
    Part Number: BQ25505 Other Parts Discussed in Thread: BQ24040 , BQ24210 , BQ25792 , BQ25798 Hi, We have chosen BQ25505RGR BMS chip for our project. Planned to use Rechargeable Battery (18650 series) as Lithium-Ion and Non rechargeable Battery as Lithium Thionyl…
    • Answered

  • BQ25505: PFET remaining off

    Resolved
    Part Number: BQ25505 Hi, The datasheet says that "When no input source is attached, the VSTOR node should be discharged to ground before attaching a storage element. Hot-plugging a storage element that is charged (for example, the battery protector PFET…
    • Resolved

  • BQ25505: Questions about BQ25505

    TI Thinks Resolved
    Part Number: BQ25505 Hi, I will have the following questions: 1. The charger only looks at the voltages on VBAT_OV every 64ms that means the VRDIV node is monitored to samples and holds the VSTOR voltage.In addition to power consumption, does this situation…

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