BQ34z100-G1 gauge limit
Hello, I am trying to implement battery monitoring of lead acid batteries used in solar invertors. In some high capacity applications, battery voltage may go up to 300V, maximum charging/discharging...
View ArticleBQ34Z100-G1 gauging limit
Hello, can we use BQ34Z100-G1 for gauging purpose for PbA battery configuration of 350Ah, 240V and maximum discharge current of 120A. Its for high capacity applications. I need to know what is limit of...
View ArticleBQ34Z100-G1 high capacity application
Hello, can we use BQ34Z100-G1 for gauging purpose for PbA battery configuration of 350Ah, 240V and maximum discharge current of 120A. Its for high capacity applications. I need to know what is limit of...
View ArticleBQ40z60 HIDRV problem
Dear Sir, I am using bq40z60 based circuit where I tested with applying voltage. The Software is detecting starting from 3V AC power to 13V as our power supply. I am getting the voltages...
View Articlebq20z75 temperature monitoring
Hello,We have a question from our end customer.....is the temperature monitoring of the bq20z75 fuel gauge active when the battery is at rest and no charge or discharge is taking place? If the...
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voltage drop in a bq20z60 based board
Hello,I have a bq20z60 and bq29330 based board to protect a 4series LiFePo battery.The problem is that when I connect the SMBD, SMBC and GND wires to PC in order to read the parameters (voltage, SOC)...
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RSoc problem with BQ20z95DBT
Hello,we have some problems with BQ20z95DBT.The RSoC value of BQ20z95DBT is in about 10% of our battery packs not right. If the battery pack is fully charged the RSoC value is sometimes lower than 70%....
View ArticleFormat for uploading log files for Gauging Parameter Calculator?
I can't upload the log files I generated into Gauging Parameter Calculator. I get an error message that the files don't have the correct header, but I am following the User's Guide: Simple Guide to...
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BQ30Z55 SENC file for R0_V0.23
Hi,My device default is R0_V0.23,but after overwriting R3_V0.36 firmware, a fault-warning message-box shows that " The detected device is not compatible with this application!Proceed at your own...
View ArticleLooking for K-factor Override Flag in bq3055
The "bq2055 tech ref.pdf" makes reference to the K-factor Override FlagIt describes is thus;C.2.1.7 K-factor Override FlagThis register value is by default 0, indicating that the factory calibrated...
View ArticleBQ34Z100 R1 fuel gauging and misleading remaining capacity.
I am fuel gauging a 3200mAhr pack and discharging at a 50mA rate as a test. The remaining capacity and time is adjusted slightly several times until we get to the voltage drop off knee: The remaining...
View ArticleGauge IC for 1-cell (Lipo) which works without host system
Dear all,I am developing a 1-cell Li-ion battery charger. Basically, the charger IC will be the BQ2425 and the battery protector will a BQ2970. The battery and the charger will always stay togheter and...
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BQ34Z100-G1 parameter configuration for 4S4P LiFePO4 battery
I am using the BQ34Z100-G1 to measure the battery level of a AA Portable Power LiFePO4 Battery Pack (77WH-6000mAh-12.8V nominal 4S4P configuration). The battery is charged upto 14.5V with a TI...
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LED driver outputs - possible damage pathway?
I am interested to know whether the LED drivers pins on the BQ20Z80 are active buffer/totem pole or open drain/collector IO.We seem to have a potential situation where an external LED drive circuit for...
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BQ27542 Learning Cycle in Battery Management Studio not updating gas gauge.
Hello, I have the BQ27542EVM module set up with some relays to switch in a load or power supply. Discharge is at 1/10C and charge is at 1/3C. I've ran 3 learning cycles on batteries that are 630 mAh...
View ArticleEvaluation Software for BQ20z95 link
Would someone be able to give me the right link, I'm having trouble finding the right evaluation software for bq20z95 to work with ev2300Thanks,Karl
View ArticleChem ID for General Electronics Battery C0., LTD
Hi Tom,I have a battery that we plan to use with the board design I sent last month or so, but I'm not sure what ID to use. I am currently using the default, but I don't necessarily feel its the...
View Articlemay I use the EV2400 to I2C adapter between a device and my computer?
Hi, I'm looking to send a I2C message each 5 seconds, I have a EV2400 module, and I want to try to use it, I already have a MSP-EXP430g2 KIt that is the one that I want to send this message.Which...
View ArticleWin7 64bit Driver for EV2300 with bq34z100EVM
Hi,I just bought the bq34z100EVM and EV2300 for the purpose of power management board design, I use the Win7 64 bit OS, but it seems I can't find a driver of Win7 64bit OS for EV2300, but only 32bit...
View ArticleBQ34z100-g1 problem with flashing firmware using the command bq.fs
Hello I have a problem with flashing firmware to the BQ34z100 - g1 using the commands contained in the file bq.fs.The commands interpret their own software and using the I2C interface . The whole...
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