BQ40z60 always-on system
Hello,Is the BQ40z60 good for an always-on system ? The basic usage would be:- 0.02C discharge- 1-2C chargeWithout any rest period at the end of charge. The battery (2S LiPo) will never reach a fully...
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Voltage output Battery PCB with BQ76920 and BQ78350
The voltage at the pack terminal of battery PCB is 14.00 volts when battery at 17.01volts.I updated the firmware to bq78350_v0_06_build_16.srec and now I have the condition aboveHere is a copy of the...
View ArticleAbout how to enable HDQ mode of BQ27542-G1
Hello,The bq27542-G1 device is shipped in I2C mode. But customer would like to use HDQ mode. Please tell me how to enable HDQ mode in the bq27542-g1.Best regards,Manabu Ito
View ArticleSingle Cell Lithium Ion charger and gas gauge
Greetings,Does TI make a combination gas gauge and USB charger for a single cell lithium ion battery?Thank you,Frank
View ArticleBQ20z655-R1
Hi Ti community,I am using the BQ20z655-R1 with an LCD 5 segment bargraph display - No problems with driving the LCD display all OK there.However I need to switch the CHG and DSG Flash Alarm off. The...
View ArticleBQ2083 connection
HelloWe ordered BQ2083EVM to verify testing but found BQ2083EVM (included EV2200) can not communicate with Laptop(via USB), GUI stated " Target Board Not Responding" test set up as attached.Pls help...
View ArticleBQ20Z65-R1 Datasheet Questions
Hello TI,One of my customers uses the BQ20Z65-R1 to monitor its battery pack. Here's a couple of questions concerning information in the datasheet:- In the datasheet, not much information on PRECHARGE,...
View ArticleEV2300 and EV2400 Appear To Be Damaged
We have a battery that is designed around the BQ34Z950. The finished product has two sets of SMBUS contacts, both of which tie back to the BQ34Z950 gauge. One set of contacts connect to a charger,...
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bq40z50 not discharging
We have made a simple battery application similar to one described in bq40z50 datasheet ; with 3 Li-Ion cells in series, so the pack has ~12 V and 16.2AhNo matter what commands I send through Battery...
View ArticleBQ34Z100 and high capacity lead acid battery pack
Hi,Completely new to it, I thought electronics was pretty so far as I was just wiring a single wire to GPIO pins of my Raspberry Pi, but I got scared when I read the datasheet for the BQ34Z100!! I...
View Articlebq34Z100 with Lead Acid chemistry battery
Hi,I use an Lead Acid battery 6S - 12Volt and I don't understand how to calculate Flash Update OK Cell Volt.In bq34z100 data sheet I find in paragraph 9.2.2.1.3 this formula : Flash Update OK Cell Volt...
View ArticlebqStudio V1.3.42 - Comparison Error
Hi,On bq studio after "write All "command I have this error :' A read of data written failed comparison"Do you have an explanation about this error?ThanksLoïc
View Articlebq34z100-G1: Improve Remaining Capacity
Hi,I find some informations in bq34z100-GA Data-sheet and (slua664) but I don't have detailed explanation for choose values of parametersLoad SelectandLoad Mode. My application has pulsed current...
View Articlebq30z554-R1 EVSW download link
Can someone send me the link to the bq30z554-R1 EVSW? It seems as though it was removed from the website. Thank you! devyn@lilyrobotics.com
View ArticleBQ27541 CC Gain
Hi Team, Our customer does not have a 1A load to properly calibrate the BQ27541, so they would like to manually program the CC Gain for a 20mOhm sense resistor. They are using a 10.4Ah battery. Using a...
View ArticleSuspecting BQ78350 Balancing Loop
15S4P Li-Ion (NCR18650BD 3150mAh each)AFE = BQ76940Cell Balance Threshold 4000 mVCell Balance Window 100 mVCell Balance Min 40 mVCell Balance Interval 20 sBalancing current...
View ArticleHPA495 (Advanced bqMtester) and LiFePO4
Is the HPA495 (Advanced bqMTester) compatible with LiFePO4? If so, how do I set this up for BQPRODUCTION and the bq40z50?Thanks,Larry
View Articlebq40z50-R1 and BQPRODUCTION
The BQPRODUCTION software has a "container" for the bq40z50; do I need a different one for the bq40z50-R1?Thanks,Larry
View ArticleBq34z100 Design Energy Scaling
Hi again...I have a 12V, 6s, PBA battery pack.The nominal cell V is 2.1 VThe Design capacity is 18000 mAhThe Design Energy is then 18000 x 2.1 = 37800, so I will use a design energy scale of...
View Articlebq40z50 parameters
I have several questions regarding bq40z50 operation:1. What are data found in Calibration->Current , namely CC Gain and Capacity Gain ?Are they the value of the shunt resistor used in my...
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