Part Number: BQ769142 Other Parts Discussed in Thread: BQ76952 Hi TI Expert,
We are planning to build a BMS with 24 Lifepo4 cells in series. BQ769142 supports till14 Cells.
I wanted to know weather BQ769142 can be used in two cascaded configuration and…
Part Number: BQ769142 Hi
The customer design with BQ769142, 8 series 60AH batteries are used. The voltage and current scales are both 10.
The log data as below. It is a process from charging 5A to discharging 3A. From the data, it can be seen that the…
Hi Stuart,
You can also contact our customer support center here: https://ticsc.service-now.com/csm/?_ticdt=MTY1MzQ5OTM3N3wwMTgwZGQ3Mzk4YTkwMDE5ZWFkMDRmYjU2NmNjMDUwNzMwMDZjMDZiMDBiZDB8R0ExLjIuOTQ5NDUxMDkyLjE2NTI5ODI3ODI
Thanks,
Shawn
Hello Luis,
Luis H. S. said: What are they using to read the BQ76952/BQ769142? bqStudio or their own MCU?
They are using MSP430F5522 to read BQ769142, BQ769142's CommType=0x11, and have enabled IIC CRC.
Thanks and regards,
Cherry
Part Number: BQ769142 The BQ769142 IC has Stackable (built-in interface) as part of its feature, yet there is no mention on how to stack two ICs for higher cell count. It is not possible using this IC alone? Can I stack only be referring to this How to…
Part Number: BQ769142 Other Parts Discussed in Thread: BQ76952 Hi,
I have been working with the BQ769142 for a few weeks now, Is there a Reference Library for communicating to this chip in C / C++ ?
Thanks
Alex Eastabrook
Part Number: BQ769142 Other Parts Discussed in Thread: BQSTUDIO Hi team,
Here's an issue from the customer may need your help:
1) The device is set to NOCRC. The customer want to read COV Threshold, write 0X78 to 3E via BQStudio, and write 0x92 to 3F…
Hi Hamzeh,
This is still not normal. Can you please go ahead and send your settings? It would also be good if you could capture the behavior you describe on the CHG pin with a scope along with PACK+ and DSG to show when the event occurs.
Thanks,
Matt …
Thanks, after replying by Math and having more test and study, I explained the issue with more details in below thread:. As far as I understand, there is no good solution for short circuit....
e2e.ti.com/.../bq769142-short-circuit-and-damaged-bms
Part Number: BQ769142 Hello,
I have a BQ769142 connected to a MCU by I2C. First, I could read direct values (cell voltages, die temperature,...) without any problem. However, when I want to write to the device, I noticed that I can't even write to direct…