GPC Report ERROR : Total discharge time is less than 5 hrs
Hi all,I have a problem with the learning cycle. GPC tool reported me that "Total discharge time is less than 5 hrs"!But, in my file, I have more than 19hours of discharge...Can you help me...
View ArticleBq34z100-g1 Lead Acid 12v 7200mA/20H
Dear Sirs;I have no experience with Gauge bq34z100-g1 and I need help to program it and put it to run.My battery is lead acid 12V 7A / 20H, MODEL 6FM7 NLD POWER, www.indpower.com.The resistive divider...
View ArticleState of Charge reading 0%
I am having difficulty reading the state of charge value of my sealed lead acid batteries. Everything is calibrated correctly, and I am reading fairly accurate voltage and current values. When...
View ArticlebqStudio & Data Flash import for bq40z50-R1
I generated a Gold File using bq40z50 Rev 0 last year. I tried to import the Gold File onto a board with -R1 firmware and got a warning pop-up:This makes sense, since these are new parameters for -R1,...
View Articlebq27010 LMD vs. actual capacity
I am having an issue with a battery pack using the bq27010 bqJunior gas gauge chip. The pack is initially programmed with the LMD set to 1736mAh (EEPROM value 0x26). After the first learning cycle the...
View ArticleBQ27510-G1
Hi,I had a general question regarding page 15 of SLUA458, bq27500 Application Book:"When an external load is applied, the impedance of the cell is measured by finding the difference between the...
View Articlebq27621 Fuel Gauge, reading/writing to the control register
Hey guys,I'm currently working with a bq27621 Fuel Gauge and am having trouble communicating with the control register. The documents make it a little bit unclear how the I2C sequence should go to...
View ArticleLinux driver and u-boot driver for BQ40Z50-R1
Is there a ready-to-use Linux and/or u-boot driver for the BQ40Z50-R1 fuel gauge chipset? I understand that they are both accessible via I2C/SMBus, but is there a high-level driver available?Your quick...
View ArticleHow to compose the datas of bq78350 by the Battery Management Studio
I want to design a 15s Li-Lon Battery Pack, but can not read some of the bq78350 Technical Reference . Has it example?
View Articlebq30z55 software
hie therewhere can i buy or download bq30z55 evaluation softwareregardsreuben
View Articlebq34z100-g1 Terms in the data flash table
Hi, I'm working with chip-g1 bq34z100 and found some terms of which no reference on the data sheet:- Cycle Delta- Res Current- Min PassedChg NiMH-LA 1st Qmax- Maximum Qmax Change- ResRelax Time- Design...
View ArticleAFE OC DSG configuration on BQ3060
Hello.1. Can someone explain what is AFE OC DSG voltage ratio to discharge current?I guess it is related to voltage drop on sense resistor. I want to discharge my battery with at least 5A for Qualified...
View ArticleRecovering from Dataflash programming error
I am writing an Energia sketch that will program firmware to one of TI's Flash-based Lithium-ion fuel gauges. But in the process of debugging, I've managed to brick two development boards (both are...
View ArticleLoad Select - Current Discharge Cycle
According to the BQ27510-G1 datasheet, when Load Mode = 0, and Load Select = 1, the present average discharge current from the beginning of the current cycle to present time is used to determine...
View ArticleCreating Golden Image
I'm trying to create a golden image file for the BQ27510. I have TI's GDK hooked to a BQ27510EVM and a battery, and have already used Battery Management Studio to set the Chem ID, and perform a...
View ArticleBQ34Z100 design capacity
Hi,We are having a Calb 100Ah pack for our testing. Due to there is no battery chemistry for 100Ahr Calb, will there be any issue if we are setting the design capacity to be 10000 but selecting Calb...
View ArticleAbout BQ78350 FW Version change with Check Sum Error
Hi We used BQ78350 ( not -R1 ) and we updated to FW version 0.06 to 1.03.We tried this FW Version up is OK,But we have some reason , we FW down grade to 1.03 to 0.06.* Change to 1.03 ->...
View ArticleSome questions about Bq34z110 _I2C Write-'Flags()' register
Hi,I use STM32F215XX chip communicate with Bq34z110 chip through i2c.I follow the step in page 28 of slusb55b.pdf'PackConfiguration' : 0961 -> 0960'Qmax Cell 0' : 4000 -> 10000is success. But I...
View ArticleVoltage calibration seems to be incorrect and Qmax learning fails
Dear Tom,I am testing a system that runs on three NiMH V600 HR in series and I am using the BQ34z100-G1 as a battery monitor. I configured the monitor following the steps in the BQ34z100-G1 datasheet...
View ArticleBQ34z100-G1 Datasheet error
Hey,In the bq34z100-g1 datasheet it says that RemainingCapacity() isn't scaled, I would expect it to be scaled because else it couldn't reach FullChargeCapacity, is this a datasheet error, or when I...
View Article