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Shani Ravaliya
4 months ago
Power management
Power management forum
BQ27441-G1: BQ27441-G1
TI Thinks Resolved
Part Number:
BQ27441-G1
Hi Team, We are using part BQ27441DRZ*-G1B for one of the wearable device and need to do battery characterization but while installing BQstudio we have seen lot of targets, now which target we need to select can you pls help me...
Abhi Choksi
1 month ago
Power management
Power management forum
BQ27441-G1: Can we use this part for real time battery monitoring for our application
TI Thinks Resolved
Part Number:
BQ27441-G1
We have an application where we have made Wireless Gateway. This gateway is powered by two different supply (1)External 5V-24V supply (2)LI-ION Battery. Normally Board runs on external power supply when its available and charges...
Wyatt Keller
1 month ago
Power management
Power management forum
RE: BQ27441-G1: Parsing Golden image if bq27441G1
Hello Mehdi, The Gauge Communication app note is what is used to flash the gauges using flash stream files which can be used to program the gauge. All the example code is at the end of the app note. Sincerely, Wyatt Keller
Alex Chapoulie
2 months ago
Power management
Power management forum
BQ27441-G1: Charge capacity (Full and Remaining) Sudden drop
TI Thinks Resolved
Part Number:
BQ27441-G1
Hello Support Team, We use LiPo batteries (3.7V 2000mAh) in some of our products which are designed to run a long time on battery without the need to be recharged. The battery is combined with a TI BQ24295RGE Battery Charger...
Marcelino Camacho Paz
3 months ago
Power management
Power management forum
BQ27441-G1: Update Qmax Cell 0 and Ra 0
TI Thinks Resolved
Part Number:
BQ27441-G1
Hi, After a learning cycle Qmax Cell 0 and Ra table are saved into MCU EEPROM. I'm trying to write those Qmax and Ra values into BQ27441. Qmax are not written properly; I mean, if I write, for example, 0x5000, then I read...
Wyatt Keller
1 month ago
Power management
Power management forum
RE: BQ27441-G1: BQ27441-G1B Fuel gauge calibration
Hello Shani, We set it to a default value to reduce the chance of false readings over time. I would keep it at some value higher than 0mA, but it may require testing to make sure you get good readings when 0mA or low current is flowing. Sincerely...
Wyatt Keller
2 months ago
Power management
Power management forum
RE: BQ27441-G1: BQ27441-G1B Fuel gauge calibration
Hello Shani, The gauge ignores current values between -5mA and 5mA by default (deadband current) Also the current resolution is always reported as 1mA increments. You will need to change the deadband current and test to make sure of accuracy. Sincerely...
Don Weier
3 months ago
Power management
Power management forum
BQ27441-G1: Problem reading checksum
TI Thinks Resolved
Part Number:
BQ27441-G1
I'm writing a set of c functions that can interface with the fuel gauge part and ran into some undocumented behavior I'd like some clarification on. I followed the flow chart in figure 1 of the document SLUUAP7 (attached...
TISL
4 months ago
Power management
Power management forum
BQ27441-G1: SoC oscillation during discharge
TI Thinks Resolved
Part Number:
BQ27441-G1
Dear e2e support, My customer uses our gauge with a 2400mAh (small) battery and everything works as expected. But using a 5200mAh (big) battery, the SoC during the discharge cycle, is oscillating (I can share some graph in...
Abhishek Pratap Singh
4 months ago
Power management
Power management forum
BQ27441-G1: Not able to read Average current for fuel gauge
TI Thinks Resolved
Part Number:
BQ27441-G1
Hi, I am using
BQ27441-G1
fuel gauge in my system. I want to check voltage and current reading at regular interval. According to data sheet https://www.ti.com/lit/ug/sluuac9a/sluuac9a.pdf?ts=1592730259853&ref_url=https%253A...
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