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Showing 125 results View by: Thread Post Sort by
    Answered
  • BQ769142: Different cell configuration design

    Gregor Macek
    Gregor Macek
    Resolved
    Part Number: BQ769142 Other Parts Discussed in Thread: BQ76952EVM Hello! We are designing 13S and 10S BMS for a client and I BQ769142 turned out to be the best option (as price is critical due to high volume productcion). 1) Does there exist a development…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • BQ769142: Split path configuration - disabling DCHG FET while charging

    Gregor Macek
    Gregor Macek
    Resolved
    Part Number: BQ769142 Dear Sir, We are using BQ769142 for 13S configuration and due to customer's requirements we need to change the design from a single to split power path (CHG and DCHG seperated) in order to leave DCHG out disabled while charging…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • BQ769142: Status of BQ when LDOs are of but FETs are still connected

    Gr?nwald Martin
    Gr?nwald Martin
    Part Number: BQ769142 Hello, we currently have a strange issue where the BQ seems to be still active, because the FETs are still closed, but the BQ has shut down the LDOs. This leads to a problem in our design where a MCU and CAN Transceiver are powered…
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • BQ769142: Disabling PCHG on the fly, Enter manual mode in the fly

    Olivier Nguyen
    Olivier Nguyen
    Resolved
    Part Number: BQ769142 Other Parts Discussed in Thread: BQ76952 Hi TI forum, We have successfully integrated your BQ769142 in our design and are very pleased with it. The protection, cell balancing and monitoring work like a charm. We are now willing…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • BQ769142: 5 cells - confused about how to interconnect them

    Olivier Nguyen
    Olivier Nguyen
    Resolved
    Part Number: BQ769142 Other Parts Discussed in Thread: BQ76942 Hi TI forum, I am designing a BMS and will be using a BQ769142 as the BQ76942 or 52 are currently out of stock everywhere. The BQ769142 is designed to be used up to 14 cells, but I will…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • BQ34Z100-R2: Requesting Samsung INR21700-50S chem id

    Jorge Lopes
    Jorge Lopes
    TI Thinks Resolved
    Part Number: BQ34Z100-R2 Other Parts Discussed in Thread: BQ769142 , GPCCHEM Tool/software: Hello I am currently trying to make a BMS for a battery. I am using Samsung INR21700-50S cells and i am trying to measure them using a BQ34Z100-R2 and a bq769142…
    • 5 months ago
    • Power management
    • Power management forum
  • What EVM's might exist for a DC-DC design

    Hubert Henry, Pecze (Hubie-TSR)
    Hubert Henry, Pecze (Hubie-TSR)
    TI Thinks Resolved
    Other Parts Discussed in Thread: BQ769142 Customer question: The most immediate project that we're developing consists of a battery (likely using the BQ769142) pack and a high power (>500W, 20Amax, 140Vdc max ) bi-directional DC-DC converter. We've…
    • over 2 years ago
    • Power management
    • Power management forum
  • BQ40Z50-R2: Requirement of chip for stackable multicell application

    Rohit Panchal
    Rohit Panchal
    TI Thinks Resolved
    Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQ34Z100 , BQ769142 , BQ77216 Tool/software: Hi everyone, I'm looking for advice on selecting correct chipset for my bms that can switch between 4S2P and 8S1P configurations, as per the requirement…
    • 6 months ago
    • Power management
    • Power management forum
  • BQ79656-Q1: Contactor Relay Solution

    Gurkiratsingh Kohli
    Gurkiratsingh Kohli
    Part Number: BQ79656-Q1 Other Parts Discussed in Thread: BQ769142 , , BQ79631-Q1 Hello, I have a question regarding the possibility of driving a 12V Contactor Relay using BQ79656-Q1. I have gone through the datasheet and it seems that the IC only has…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • [FAQ] BQ76952: How can I calculate the coulomb counter current error in the BQ769x2?

    Luis H. S.
    Luis H. S.
    Resolved
    Part Number: BQ76952 Other Parts Discussed in Thread: BQ76972 , , BQ769142 , BQ76942 I want to know how can I calculate the worst-case current measurement error when using any of the BQ769x2 devices (BQ76952, BQ76942, BQ769142, BQ76972). Can you explain…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
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