Search tips
Showing 91 results View by: Thread Post Sort by
    Answered

  • RE: BQ769142: BQ769142: DASTATUS6() Coulomb Reading Problem

    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

  • BQ769142: Fail to set BQ769142 or BQ76952 with STM32F103

    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, …

  • BQ769142: Cell 電路設計

    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?
    • Answered

  • RE: BQ769142: Pre-Discharge Mode not working

    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…
    • Answered

  • BQ769142: Using external FETs for balancing

    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

  • BQ769142: How to read input status

    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
    • Answered

  • TIDA-010208: Configuration BQ76952, BQ76942, BQ769142

    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

  • BQ769142: BQ769142 wake up issue in sleep mode

    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…

  • BQ769142: BQ769142: Coulomb Counter query

    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…

  • BQ769142: BQ769142 hardware connection and I2C software issue

    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…

Didn't find what you are looking for? Post a new question.