Part Number: BQ78350-R2-DEVICE-FW Other Parts Discussed in Thread: BQ78350 , BQ76200 , BQ76940 , BQ78350-R1A Dear TI expert,
i used BQ78350+BQ76940+BQ76200 design one 11S2P system, when i active the PCBA board, the communication ok, when i reset the…
Matt,
Sure. Schematic should be attached. You'll find it very similar to the reference circuit.
The BMS is connected to a 10s1p pack of LG MJ1 cells. This test pack is typically kept at around 3.6V. PACK+/- are connected to a bench power supply set…
Part Number: BQ77915 Other Parts Discussed in Thread: BQ76942 Dear TI-Team, I'm consindering to use a BQ7791502 or the BQ7791508 with external balancing MOSFETs to protect 5S Li Ion battery packs (5S2P and 5S4P, LG MJ1 cells). I already read a lot in…
Part Number: BQ78350-R1 Other Parts Discussed in Thread: BQ78350 Hi
The customer design 6cells with stm32l071+bq78350+76930 + bq76300.
Cell Balance Threshold 3900mV, Cell Balance Window 50mV, Cell Balance Min 20mV.
During test the cell1-6 voltage…
Part Number: TIDA-00792 Other Parts Discussed in Thread: BQSTUDIO Tool/software: We received more feedback from an important customer regarding a critical issue. It was reported that during low battery conditions, the SOC value under /shutdown/ drops…
Hi Chuchen,
The cell balancing feature has a few different parameters that define when it will start balancing, the balancing window size, and the cell balance hysterisis for the over-voltage condition. I am attaching 2 presentations that describe the…
Hi,
Originally we used BQ27220 in our product (still in development) but due to component situation we can no longer find stock for it so we have preliminiary changed to BQ27520-G4. Our battery pack is 4 cells in parallell to increase capacity to a…
Hello Vinay,
I am not familair with the IPSCALING. However, most of our gauges have the calibration feature on the BQstudio.
Please read the current scaling documents I have attached here. Hope this helps.
1121.Scaling_For_Customers_With_HighCurrents…