BQ27200 learning cycle
Hi, I am using BQ27200 as a fuel gauge for my application. I want to conduct the learning cycle test on the BQjunior. Can you provide me with some manual or application note on how to conduct this...
View ArticleProblem with learning cycle bq34z100
Hello, We have built a 16s9p solution that uses the 34z100 for fuel-gauging. The pack is designed around Iron Phosphate cells (please email for specifics). The device is calibrated and programmed...
View ArticleBQ34Z100 + SMBUS
Hi,We are implementing a battery management system using bq34z100 , the battery pack needs to be SMBUS compliant and therefore we are using the micro onboard (Tm4c123gh6pz) to provide data to the SMBUS...
View ArticleBQ27200 EEPROM needed or not
Hi all,it is a topic that was discussed here before but not cristal clear and it is pretty crucial for design.We plan to go into mass production with this chip and our designed PCB containing it.we...
View ArticleMissing definition for function WriteSMBusInteger in document SLUA379E
Does anyone know what's required to utilize the sample VB sourcecode found in the slua379e.pdf document? The function WriteSMBusInteger is not defined in the ActiveX file Bq80xRW1.OCX.Thanks in advance!
View ArticleBQ20Z75 high current consumption issue
Hi,With reference to subject above, i encountered an issue where bq20z75 is drawing 1.08mA~0.71mA continuously when there is no any charging or discharging process undergoing. According to the...
View ArticleBQ34Z100 , Date conversion formula
Hi All,In the datasheet of bq34z100 (SLUSAU1B –MAY 2012) the formula for date conversion on Table 21. Data Flash (DF) to EVSW Conversion is given as Day+Month*32 +(Year-1980)*256 which seems to be...
View ArticleBQ27410 EVM not discovered
I am currently working with the BQ27410 EVM trying to interface with a PC. The software was obtained from the following links after a bit of searching:http://www.ti.com/litv/zip/sluc246aAnd the driver...
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BQ34Z100 I2C Communication
Hi,I'n an electrical engineering student, trying to develop a battery application for my master thesis. Using the BQ34Z100 I want to monitor a LiFePO4 battery pack at 14.4V, but I'm having a hard time...
View ArticleBQ34z100 SoC is decreasing to 94% in a week
Hello,I have BQ34Z100 with high capacity 4-cell LiFePO4 battery. I came through the learning cycle and Update Status is reached 06. I am charging the battery with automatic charger till 14.6 volt and...
View Articlebq27530
HiI am using bq27530evl + ev2300.I am using gas gauge evaluation software but cant understand how to use it.I have a 325mah li-ion battery and load that are connected as shown in the documentation.I...
View Articlegauge studio software
Hi,where can I download the software Gauge Studio which can create golden image file?
View ArticleBQ34Z100 SOC resets to 100% after some discharge
I am able to calibrate temp, voltage, current, and “charge” the unit up to 100% SOC on a power supply acting in place of a real battery without any issues and I seem to be able to discharge to varying...
View ArticleQmax update ON BQ20Z70
hie there(DURING IMPEDANCE TRACKING),i have this problem:i have a 3s2p 20z70 based battery and its charging voltage is 12600mV and current 3080mA.However i am charging it with a 14700mV 1500mA CHARGER...
View Articlesoftware for using EV2200
Dear All,Can any one help me find out (link) where to download the interface software for using EV2200 with BQ2013HEVM-001. I could not get any software disk with the EVM module as mentioned in the...
View Articlevok bit
hie therewould like to thank you for all your answers,they realy heped me.i have this one question though:when running impedance track on bq20z70,you said the vok bit should be cleared after the...
View Articlebq27531 with ev2400
I am using the ev2400 to try to data flash a bq27531-G1 evm. I am using Windows 7 64-bit and I installed the ev2400 support components. I tried using the bqsw and it seems to detect that I'm using a...
View ArticleBq3060 Remaining Capacity in 0Ah
Hi,Please, anyone knows why the Bq3060 can hold the Remaining Capacity = 0mAh and RSOC=ASOC=0%, while is charging?I have many batteries that work OK, but in some strange manner, the Remaining Capacity...
View Articleproblem with bq2013h
hello, everyoneI am designing my gas gauge using bq2013h IC.I read "bq2013HEVM-001 Gas-Gauge IC Evaluation Module" and bq2013h datasheet.in bq2013h, I seen that discharging count happen when...
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