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Showing 9 results View by: Thread Post Sort by
  • BQ26221: Inquiry for BQ26221

    Harry Ma
    Harry Ma
    TI Thinks Resolved
    Part Number: BQ26221 Other Parts Discussed in Thread: BQ28Z620 , BQ35100 Hi Team My customer wanna using a coulomb counter to achieve charge and discharge count at the board side, not in the battery pack. They choose the BQ26221 as the solution, but…
    • over 2 years ago
    • Power management
    • Power management forum
  • BQ26221: 1 cell NiMH gauge recommendation

    Will Wang47
    Will Wang47
    TI Thinks Resolved
    Part Number: BQ26221 Other Parts Discussed in Thread: BQ2060 Dear team, Customer is looking for a gauge for 1cell NiMH battery, could you suggest if BQ26221 is the suitable recommendation for this application? Or do we get any more suitable parts for…
    • over 6 years ago
    • Power management
    • Power management forum
  • BQ26221 Problem

    Jose Carmelo Rangel Breña
    Jose Carmelo Rangel Breña
    Other Parts Discussed in Thread: BQ26221 Hi I'm working with the BQ26221 gas gauge, I implement the application circuit as described in the datasheet, and also I downloaded the HDQ implementation as described in the link below. http://www.ti…
    • over 14 years ago
    • Power management
    • Power management forum
  • bq26221 datasheet errata

    philippe chabot
    philippe chabot
    Other Parts Discussed in Thread: BQ26221 Hi, I have the datasheet SLUS607, may 2004 for the BQ26221. On page 8, it mentions the charge counter count at a rate of 3.0uVH per unit. it states that for one hour, a 24.42 mV signal produces 8000DCR. …
    • over 14 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: bq3060 sealed by mistake

    Matthieu Imbert
    Matthieu Imbert
    Resolved
    Hello Jason, I am designing a new UPS with external batteries, and I'd like to keep track of their SOC. Some of those batteries (LiFePO4, LiCoO2) will have a BMS with integrated bq40z50 (IT + NFET HiSide control + Led display) or bq3060 (CEDV + NFET…
    • over 11 years ago
    • Power management
    • Power management forum
  • System side gas gauge for user programmable chemistries and capacities

    Matthieu Imbert
    Matthieu Imbert
    Other Parts Discussed in Thread: BQ2060A , BQ26500 , BQ26501 Hello Everybody, I am designing a new DC-UPS with external batteries, and I'd like to keep track of their SOC. Some of those batteries (LiFePO4, LiCoO2) will have a BMS with integrated bq40z50…
    • over 11 years ago
    • Power management
    • Power management forum
  • OMAP3530 and HDQ

    philippe chabot
    philippe chabot
    Other Parts Discussed in Thread: OMAP3530 , BQ26221 Hi, It seems there is a mistake in the OMAP3530 datasheet concerning HDQ timings. On page 230, it states tHW0 to be at 180us minimum, should not it be 180us MAXIMUM ? anyway, can someone…
    • over 15 years ago
    • Processors
    • Processors forum
  • Answered
  • bq27000: does GND & GND_PACK order (topology) matter?

    Anonymous
    Anonymous
    Resolved
    Other Parts Discussed in Thread: BQ27000 , BQ26221 , BQ26200 , BQ27500 Hi, I would like to ask a question on bq27000. In sheet 37 of EVMAM1808 schematics from TI partner SpectrumDigital, bq27000 [SRP, 8, positive current sense…
    • Resolved
    • over 14 years ago
    • Power management
    • Power management forum
  • Answered
  • Re: bq27x00 datasheet: GND and PACK- connection

    Anonymous
    Anonymous
    Resolved
    Mike, MikeV said: The Vss of the gauge is connected typically to the negative node of the cell. Pack- is the the most negative reference that the connecting system has access to. If PACK- is the most negative reference a connecting system can access…
    • over 14 years ago
    • Power management
    • Power management forum

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