BQ34Z100, missing 6100.chem file
Hello everyone, I would like to ask, if there is an official support for 0x6100 chemistry (the only NiMH) in BQ34Z100. When I want to load the .chem file to the gas gauge, I get a pop-up message...
View ArticleConfiguring the Bq34Z100
I am new to TI parts and have purchased a Bq34Z100 Evaluation module. I would like to use the Bq34Z100 in my current design which has two Lithium Iron Phosphate batteries connected in series. I...
View ArticleUpgrade bq 27410 V1.01
Hiiisorry for my english...I need to upgrade the bq27410evm because the last soft version is V1.03.So, I download the bq27410G1_1_03.senc but I don't know how can instal it on the evm? (need...
View ArticleBQ28400 Application Schematic Diagram
Hi,I am looking at the bq28400 datasheet and on page 2, a block diagram is provided. On page 19, two diagrams are provided when incorporating cell balancing. Page 20, though, provides another...
View Articlesample algorithm for Reaming capacity calculation of the Battery (BQ26220)
Hi ,Can anybody help me on this development.The question is , Mai i get a sample code or flowchart for Reaming capacity calculation of the Battery.Millions of thanks in advance for your precious...
View Articlebq27541-v200 internal temp sensor accuracy
Please teach me internal temp sensor measurement accuracy after calibration.It is all right even without a guaranteed value.
View ArticleIs Bill Jackson an available resource, would like to see SLAU367 updated for...
His tech memo on using primary batteries with bq27 series gauges would be very helpful to me if it was updated for the bq34z100 gauge. I due to current hardware, I am committed to the bq34z100 part.In...
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Generate Golden profile with BQ27500 EVM
Dear Sir,I tried to use BQ27500/1 EVM and bqEASY tool to make golden image.However, an error happened when writing configuration into data flash.Here is the screen shut. It confused me that I did found...
View Articledifference between impedance tracking in gauge ics
hiwhat is difference between pack side impedance tracking and system side impedance tracking? i am using 4 Li batteries in parallel of capacity 10Ah,for my BMS application,for this case what type...
View ArticleGauge Studio
Hi,the Gauge Studio is not communicating with my gauge.I use:EV2300-002When I connect the Interface without the gauge.The Gauge Studio read: EV2300a Version: 3.1r.If I connect the gauge over I2C then...
View Articlebq20z65 cell balancing
Dear Sir,I am developing a battery pack - Li Ion 14V8 8800 mAh - which uses a bq20z65 gas gauge ic. Actually, I am updating the product from the bq2040.I understand the cell balancing function can...
View ArticleBQ27510 UpdateStatus does NOT = 2
I am trying to complete a learning cycle using a BQ27510 and bqEASY, but I keep getting the Update Status not = 2 error after the learning cycle is complete. I am following the steps in SLUA597 and...
View ArticleBQ29200 - Balancing Current
Hi,I've got a 2S LiPo with 3600mAh and a Controller-based charger (CCCV) which delivers 1300mA charge current. My Problem is the dimensions of the Resistors and the Capacitors in the circuit.Does the...
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Grounding BQ34Z100
Hi!We are designing schematics with BQ34Z100 and have the following question:Could the BQ34Z100 ground be connected to PACK- instead of BAT- as drawn on Figure 7.bq34z100EVM-001 Schematic?Possible...
View Articlebq77910A- Stackable circuit
(Please visit the site to view this file)Hello,I am working on bq77910A for higher no. of cells in series Configuration. I have found technical document which is attached. I have some Queries:1. Is the...
View Articleneed help in usage of bq3060 with BqEASY
Hello,We are using LiFePo4(6.6V,9.6Ah) battery pack in 2s3p configuration with BMS IC (bq3060) inside it purchased from a vendor. we need to check the battery performance with BqEASY,we have done...
View ArticleCan't locate MaxError value in BQ34Z100 evaluation software
Hi!I am finishing battery learning cycle with BQ34Z100. Update status changed to 06, but I cannot find MaxError value in SBS Data screen!Where can I check the value of MaxError? According to SLUA334B...
View Articlegolden image dfi problems
Hello,We have successfully gone through all the required learning cycles with our bq20z65 and have updated all relevant tables and generated a filename_GOLDEN.dfi file. Documentation mentions a ".GG"...
View Articleflashstream and dfi
Hello,Like others in this forum, i need help with programming our gas gauge (BQ27500-v130) for production. Could someone send me the latest version of flashstream and anycode (preferrably in C) and...
View Articlebq20z65 Problem with FETs opening/closing
hello,I'm going to try and be as specific as possible to avoid some of the misunderstandings I have seen in other questions regarding FETs. Please correct me on any misunderstandings I may have about...
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