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Showing 18 results View by: Thread Post Sort by
    Answered
  • BQ26500: Empty battery charging

    Shuji Ishiwata
    Shuji Ishiwata
    Resolved
    Part Number: BQ26500 Hi All, I have a question about BQ26500. If the battery is empty, the voltage will not rise when using the BQ26500. Do you know the reason for this? Is it the current limit function? Also, I would like to reduce the current…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • BQ26500

    Tanvi Verma
    Tanvi Verma
    Other Parts Discussed in Thread: BQ26500 I am Working on BQ26500 Which is a Coulomb Counter IC.Using it for 2s Li-ion battery in pos application. I am using a 2s IC S8242 AAY i.e SEIKO IC and a protection fet S6968 with it. I am facing some problem with…
    • over 12 years ago
    • Power management
    • Power management forum
  • BQ26500 : HDQ not pulled low enough

    Ruben Pena
    Ruben Pena
    Other Parts Discussed in Thread: BQ26500 Hi all, I am working on a senior design project. I have connected the BQ26500 as shown in the data sheet with a 10kohm pull-up resistor on the HDQ line. I am using an ATmega 48PA microcontroller to read battery…
    • over 13 years ago
    • Power management
    • Power management forum
  • RE: Create VOUT on the EV2300 HDQ port to program bq26500

    J.C Chen
    J.C Chen
    Hi, Jared I downloaded the EV2300 customer kit. The file of bq80xRW help.zip only include bq80xrw.cnt and BQ80XRW.HLP. And the BQ80XRW.HLP is in bad. So please help to upload again or send me via e-mail. My e-mail address: chenjc.fj@gmail.com Thanks…
    • over 11 years ago
    • Power management
    • Power management forum
  • Using a bq2407x charger with a bq26500: does the charger still need a temperature sensor on the pack?

    Daniel Cross
    Daniel Cross
    Other Parts Discussed in Thread: BQ26500 Does the bq2407x charger ic still need access to a pack-based thermistor, or can the bq26500 report the pack temperature directly to the charger ic? If so, how would that work?
    • over 13 years ago
    • Power management
    • Power management forum
  • BQ27741-G1: BQ27741EVM is not working

    Esmaeel Heidari
    Esmaeel Heidari
    Part Number: BQ27741-G1 Other Parts Discussed in Thread: BQ27741EVM , BQ26500 , BQSTUDIO , Hello everyone, I bought a bq27741EVM several months ago and try to run that and use it in a battery pack. According to the user manual, I have done. but unfortunately…
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: MSP430 + BQ27xxx Examples code Inquiries

    Grady Lee
    Grady Lee
    Resolved
    Hi, Dominik Accidentally missing an attachment. Please refer to the attached file below. 3058.msp430_hdq_slva413a.pdf Please check. Thank you.
    • over 2 years ago
    • MSP low-power microcontrollers
    • MSP low-power microcontroller 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
  • RE: Inquiries regarding charge current detection on BQ27520-G4

    Onyx Ahiakwo
    Onyx Ahiakwo
    Hi Atsushi, I didn't realise you were refering to the bq26500. I misread and thought you were talking about the bq27500 of the which the chg bit in the bq275x family are similar. The bq26500 was the original bqJunior gauge which uses an EDV algorithm…
    • over 10 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: BQ27542-G1: Qualcomm chip msm8953‘s gpio sends Break and Break Recovery, then BQ27542 is not responding and can't communicate

    Onyx Ahiakwo
    Onyx Ahiakwo
    Resolved
    Sherry, What are you trying to achieve? If you are trying to establish communication with the gauge in hdq, i would recommend you review the following app notes. 0407.hdq_implementation_with msp430_slaa196.pdf 0624.msp430_hdq_slva413a.pdf 6574…
    • over 7 years ago
    • Power management
    • Power management forum
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