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  • BQ27220: Deriving compensation parameters

    Resolved
    Part Number: BQ27220 Other Parts Discussed in Thread: GPCCEDV I'm using the BQ27220 State-of-Charge gauge for a single cell Li-ion application. Mentioned chip uses the CEDV algorithm to accurately predict SoC. How can I derive the compensation parameters…
    • Resolved

  • RE: BQ27220: How to set external thermistor

    Hi Shrish, The command sent to BQ27220 is as follows. Commands are sent according to Chapter 6 of the Technical Reference Manual. The difference from Chapter 6 is the step5&6 part in the table below, they refer to the address value of "Operation Config…

  • BQ27220: Li battery protection by means of PTC fuse

    TI Thinks Resolved
    Part Number: BQ27220 Can a PTC fuse be inserted between the battery and BQ27220? If yes, what are the constraints for such a PTC fuse in terms of impedance? If no, how to protect the Li battery from over-heating when being shorted during failure of the…
    • Answered

  • BQ27220

    Resolved
    Other Parts Discussed in Thread: BQ27220 , GPCCEDV Hi Team, we have a couple of designs and we want to use this chip in our platform. the platform has 2 different batteries (Li-ion and Li-Polymer) Could you clearly tell us, if is it possible to use the…
    • Resolved

  • BQ27220: Need Fuel gauge recommendation for use with the BQ24210

    TI Thinks Resolved
    Part Number: BQ27220 Other Parts Discussed in Thread: BQ24210 , Hello, We are working on a solar charging application that is using the BQ24210. We need to add a fuel gauge to the project. I would like to add a gauge that is less than 1.00 in volume.…

  • BQ27220: Use Separate Thermistor Instead of Semitec 103AT

    Part Number: BQ27220 Hi team, Could you please share how to modify a separate NTC( e.g. SMT type NTC SNC103B 2 3435F0402E) resistance profile in BQ27220? Regards, Allan

  • BQ27220: Layout Question

    TI Thinks Resolved
    Part Number: BQ27220 Hi expert, Do we have a suggestion for how wide to route VSS trace out of two balls for the pcb build? Is 3mil good enough? Regards, Allan

  • BQ27220: Optimizing sense resistor value

    TI Thinks Resolved
    Part Number: BQ27220 We have an application that spends most of its time drawing about 2.5uA from the battery, but most of the charge is is drawn at about 1A (peaks to 1.5A). It looks like there is no way to capture the power drawn at the low end, since…

  • BQ27220: BQ27220 design issue

    TI Thinks Resolved
    Part Number: BQ27220 Other Parts Discussed in Thread: BQ25155 My customer meets some design issues about BQ27220. Pls help review below description: There are 4 independent batteries, the analog switch is used to switch different batteries as supply power…
    • Answered

  • BQ27220: bq27220 for LiFePO

    Resolved
    Part Number: BQ27220 Hi Sir, Good day Can I use bq27220 for LiFePO cell design? Regards,
    • Resolved

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