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Showing 91 results View by: Thread Post Sort by
    Answered
  • RE: BQ769142: BQ769142: DASTATUS6() Coulomb Reading Problem

    Star Xu
    Star Xu
    Resolved
    Hi Max Thanks for your help. Do CC Gain and Capacity Gain values ​​need to be converted using IEEE754 to write 4 Byte to BQ769142 through I2C? https://www.h-schmidt.net/FloatConverter/IEEE754.html Waiting for your reply. Thanks Star
    • 8 days ago
    • Power management
    • Power management forum
  • BQ769142: Fail to set BQ769142 or BQ76952 with STM32F103

    Star Xu
    Star Xu
    Part Number: BQ769142 Other Parts Discussed in Thread: BQ76952 , Hi The customer bought BQ769142, BQ76952 and BQ7695202. They use BQ769142 and BQ7695202 used a logic analyzer to analyze the signal of I2C BUS, and found these two ICs. Always reply NAK, …
    • 1 month ago
    • Power management
    • Power management forum
  • BQ769142: Cell 電路設計

    jimmy shih
    jimmy shih
    TI Thinks Resolved
    Part Number: BQ769142 你好, 想請教關於Cell 電路設計問題, 1. 在Datasheet 上VC0~VC15每個CELL節點並聯一顆電容, 但是在VC1和VC0 間的電容一端卻是接再GND而不是VC0 與上面其他CELL的電容連接方式不同,這個用意會是什麼呢? 2.第一節 CELL 負端需要串聯一個電阻在進入 Pin VC0的用意是什麼呢? 3.如果VC1和VC0間的電容並聯方式及 第一節 CELL 負端沒有串聯一個電阻在進入 Pin VC0, 如下圖,這樣是可行的?
    • 9 days ago
    • Power management
    • Power management forum
  • Answered
  • RE: BQ769142: Pre-Discharge Mode not working

    Ali Al-Hakim
    Ali Al-Hakim
    Resolved
    Hi all, I managed to resolve the issue with our design. The problem was a bit obscure but related to a bug in our BQ769x2 initialisation, As mentioned above, we don't use a sense resistor in our design so just have SRN and SRP shorted together. In firmware…
    • 14 days ago
    • Power management
    • Power management forum
  • Answered
  • BQ769142: Using external FETs for balancing

    Gurkiratsingh Kohli
    Gurkiratsingh Kohli
    Resolved
    Part Number: BQ769142 Other Parts Discussed in Thread: BQ76952 , , BQ76940 , BQ76942 I am writing to inquire about the possibility of using an external FET to balance cells in the BQ76952 or BQ769142. I am aware that this is possible with the BQ76940, and…
    • Resolved
    • 1 month ago
    • Power management
    • Power management forum
  • BQ769142: How to read input status

    Annie Liu
    Annie Liu
    Part Number: BQ769142 Hi Team, CFETOFF is configured as an AD input pin for detecting external switching signals. How to read its input state, is it 0 or 1? No temperature collection is used. Regards, Annie
    • 2 months ago
    • Power management
    • Power management forum
  • Answered
  • TIDA-010208: Configuration BQ76952, BQ76942, BQ769142

    Ahmed MOSRATI
    Ahmed MOSRATI
    Resolved
    Part Number: TIDA-010208 Other Parts Discussed in Thread: BQ76952 , BQ769142 , BQ76942 , BQSTUDIO Hi, - How can I configure the following AFE (BQ76952, BQ76942, BQ769142) ? - how can I add a connector in the same PCB (for the BMS) to configure one of the…
    • Resolved
    • 5 months ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • BQ769142: BQ769142 wake up issue in sleep mode

    Sherman Xin
    Sherman Xin
    Part Number: BQ769142 Hi Team, Have a good day! My customer meets a technical issue about BQ769142. The project is 48V BMS in E-Bike. When we set both MCU and BQ769142 in sleep mode, it happens that the BQ769142 will wake up several times in one minute…
    • over 1 year ago
    • Power management
    • Power management forum
  • BQ769142: BQ769142: Coulomb Counter query

    Star Xu
    Star Xu
    TI Thinks Resolved
    Part Number: BQ769142 Hi I have two query need your help. According to the TRM Table 4-6. Assuming that userA is 1mA, a total of 10.7mah is used 1. After DASTATUS6() subcommand is issued, will there be a difference of + 10 or - 10 between 0-3 bytes due…
    • over 1 year ago
    • Power management
    • Power management forum
  • BQ769142: BQ769142 hardware connection and I2C software issue

    Sherman Xin
    Sherman Xin
    TI Thinks Resolved
    Part Number: BQ769142 HI Team, Nice to talk with you! My customer has two questions about BQ769142. 1.When the circuit connection as above: The sampling result is that the first 9 strings have correct values. However, the 10th string is on the VC16 and…
    • over 1 year ago
    • Power management
    • Power management forum
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