bq40z50 & EV2300
I am having problems with driver installation of EV2300 tool (HPA002), under W XP SP3 . I'm using IC bq40z50 with SMBus communication.I have installed:...
View Articlebq34z100-g1 chemistry code
I use a BQ34z100-G1 with a LI-ION battery. the battery is a SAFT MP176050XTD. I know that the chemistry code for this reference is 1325 but in the software for configuring the bq34z100-G1, it has not...
View Articlebq20z45-R1 DFET Issue
Hi,I am having an issue with the DFET feature of the bq20z45-R1. Below are the following steps I am doing:1. Apply operating voltage to turn on the IC2. Send CEFT ON and DEFT OFF command after a few...
View ArticleHow does BQ78350 handle DEVICE_XREADY?
We use the combo bq78350/bq76940.Something bad enough happend so to set the DEVICE_XREADY bit in the BQ76940. It likely happened when the cell UV protection kicked and recovered while an active load...
View Articlebq78350 - Error loading files GPCPackager bqStudio
Hi,i'm trying to configure a bq78350 and i'm using bqStudio to obtain the CEDV coefficients .I’m using the GPC Packager section of bqStudio to prepare required data to send to GPC website.When I try...
View Article[BQ34Z100-G1] How to write the CC Gain and CC Delta
Hello, I am working with a standard LION battery and want to change the CC Gain and CC Delta at Data Flash. These two fields are "F4" types.I guess "F4" type is float type. I want to know how to write...
View ArticleProgram Labview with EV2300 and bq34z100-G1
Dear All,I'm working on 5 cell series battery (max voltage 21.5V). in the testing phase, bqstudio is good tool to download golden image.The product is going to manufacture soon, I want to program a...
View ArticleSource code of the MSP430F5529 in the EV2400
Hi'I want to develop the SMBus to USB function to read out the gas gauge data in to MSP430 and then pass it out via USB interface to host end.i found the EV2400 is very similar to my application, so i...
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BQ40Z60 - System Present feature
Hi,when using the system present feature can the parts Q1, R1, R9, Q6, R17, J2, R36 be removed? Why is Pin 14 used for syspres feature on the evaluation board? In the BQ40Z60 Datasheet PIN15 GPIO1 is...
View Articlebq27421 does not enter sleep mode
Hy allI have to equal Hardware, one with bq27421 (lets say Nr.1) an one without (Nr. 2). Current consumption of Nr. 1 is about 30uA and of Nr. 2 about 130uA. The difference seems so be the current of...
View ArticleQuestion regarding BQ20Z65-R1
Hello - Our limit for the over temperature is 45C, or hysteresis level is 43C. The BQ uses the average of T1 and T2. This is reported in the temperature register. One cannot read back the individual...
View ArticlePANIC
We are not getting valid %remaining data from our bq27425-g2 chip. I believe it has to do with the values in Gas_Gauging Data Bank. Page 17 of the spec shows some of the values in the area from 0x40...
View Articlebq20z95 bqEasy 1.8 Software Crash
Hi,While trying to detect my battery chemical best match with the bqEasy Configuration wizard step 4c, the software crash after clicking "Match Best Chemistry..." button. The attached "print screen"...
View ArticleBQ34Z100-G1 State Of Charge error
Hello,I have serious problems with BQ34Z100-G1 chip. Actually it is BQ34Z110 upgraded to BQ34Z100-G1 firmware. When I stop charging and turn to relax, then sometimes chip corrupts values of SOC, RM and...
View ArticleBQ40z50-R1 learning cycle
Hello,I'm trying to get the bq40z50-R1 works with my batteries and it fails. The learning cycle is never performed (LStatus stay at 0x4) even though the REST flag is to one after each...
View Articlebq27010 temperature reporting
I am having a problem with the bqJunior gas gauges in that occasionally I get a battery back from the field that is reporting a very high chip temperature (reported die temperature). The temperature...
View ArticleCan get Old Battery Management Studio(bqStudio) 1.3.12?
Hi team, My customer Use to be used bqStudio 1.3.12 for BQ27410G1 to write senc file:"bq27410G1_1_03.senc" to reset the IC.But somehow, new bqStudio 1.3.42 has problem, customer said.If possible,...
View ArticleBQ40Z60 - where I shuld change parameters to incrise discharge current?
Hi everyone,I would like increase discharge current in BU40Z60 but I can't found where.I use Battery Management Studio.Now when I try get more that 2A, Bq40Z60 set up bit SS (Safety Mode) in Operation...
View ArticleBattery monitoring IC for 7.4V/3000mAh and 3.7V/8000mAh LI poly Battery
Hello, we need Battery monitoring IC for 7.4V/3000mAh Li-ion and 3.7V/8000mAh LI poly Battery , please suggest me the best IC.
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Is there any Battery gas gauge EC like design for Windows?
hi,as title, the HW structure is using the SM BUS to read the battery data from gas guage, then use the USB interface(not SMBus or I2C) pass the battery information to Windows?
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