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We want to add the following recovery features to the firmware:
Short circuit recovery, discharge overcurrent recovery and charge overcurrent recovery.
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uint8_t dis_sc_recovery_s; ///< Disc…
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hi all,
just a quick heads up to let everyone know that TI has got a small amount of stock of these ICs, its going quickly though.. and there is a limit of 50pcs
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The TS2 / WAKE pin of the bq76952 is only pulled up during shutdown mode, but not during operation. Thus, the MCU cannot detect if the button is long-pressed to put the battery pack into sleep mode.
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Very nice project. I am designing a custom BMS based (bq76930 10s) on your work. Thank you very much for such work.
I have a couple of questions:
- Is MCU STM32F072C**B** or STM32F072C**8** seri…
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This issue serves as a tracking issue for ongoing testing of the v0.3 hardware.
- [x] USB serial communication
- [x] UART serial communication
- [x] I2C communication (see https://github.com/Libr…
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Two possible issue with this resistor
- 5% tolerance, although this can be mitigated by storing a calibration value in the MCU on manufacturing
- Using this resistor as a connection point for BAT…
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I'm currently unable to talk to the bq76952 chip on the BMS 16S100 SC populated with the ESP32-C3. With the STM32 it works fine. It may be a hardware problem. However, @JochenKr experienced exactly th…
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The ground loop around the IC can be improved.
the best would be to have a solid GN…
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BQ76952 has 100 mA balancing current, relatively less. In any case, since the control board is small, just wanted to check if any rough thermal analysis was done on this matter?
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Hi @martinjaeger ,
Do you have any plan to support BQ76952?
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The BQ76952 has several differences from the BQ76940. The voltage and current measurement accuracy are imp…