Combination of BQ51050, BQ24297 (BQ24271) and BQ27530-G1. Anyone have...
Dear all,Trying to be almost right from the start in the design of a power supply I would like to combine BQ51050, BQ24297 (BQ24271 NOT FOR NEW DESIGN) and BQ27530-G1.Purpose is to have a WPC/Qi and...
View ArticleIs an impedance tracking fuel gauge available for LiSO2 chemistry?
I need to track the remaining capacity of a Lithium Sulphur dioxide battery (LiSO2).Does Texas have an impedance tracking fuel gauge for this?If no, is it possible to develop an ic which will be able...
View ArticleBQ34Z100 design scale for 24V/100Ah battery
Hello!I have read the datasheet and some posts in this forum regarding the scale in the BQ34Z100 and I'm still a little bit confused.I need to use a 24V, 100Ah battery with 10A maximum charge/discharge...
View Articlebq27510-G3 Evaluation support
Similar questions have been asked by others but where not resolved. I currently have the following evaluation hardware and software from a previous project.EV2300/bq27510EVM HPA320 REV AbqEVSW Ver...
View ArticleBQ33100 Graph SBS data tool
Hello I am using the bq33100EVM and I have a problem to graph. This message appears: "Invalid File Format".Before, I can graph but now I dont Know what is the problem.Thanks
View ArticleBq34z100-G1 won't update remaining capacity past tiny value
Hello,I have spent the last week trying to train the BQ34Z100-G1 to our LiFePo4 batteries (From K2energy).I believe i have setup the chemistry ID correctly to 0x0401, As it is the closest i could find...
View ArticleFuel gauge for Manganese Dioxide Lithium Coin Batteries CR2477
Hi, i would like to use CR2477 1000mAh in my project.This is lithium coin battery, Manganese Dioxide Lithium Coin Batteries:www.digikey.com/.../107129I am looking for a fuel gauge which is suitable for...
View Articleanalysing and testing bq2060A charging/discharging
Hello sir, i have recorded charging and discharing data coming from BQ2060A evm. i have one question in discharge section. i have observed 2-3 times that mAH (battery capacity) i.e. RM(remaining...
View ArticleFROM BATTERY NOT RUNNING
I Arunkumar from QMAX. I am using BQ24735 and BQ40z50 fuel gauge as a smart charger to my device. i had connected load around 12V. I am using 2600mAH 4 cells. When i am running load from the battery....
View ArticleBq30z554 EVM : Communication problems VB_T2H_NACK
Hello,I am using a Bq30z554 for SAFT FRANCE with the last software version bqEVSWSetup00.09.92.To test this bq and the evaluation software, i connected a 3-cell pack to the circuit module , a SMBus...
View Articlebq76920 operation issues
Hello, We would like to use bq76920 as a second battery protection circuit and need your assistance with the below issues: Is the bq76920 detects between charge state or discharge state Automatically?...
View ArticleWindows 8 driver for BQ27532EVM.
I'm going to explore TI's BQ27532EVN and cannot find proper driver version.The last version on the site is USB Drivers for Windows XP and Windows 7 (32-bit OS only) (Rev. A) from 28 Apr 2011.And I work...
View ArticleThermistor Coefficient for PN: BQ40Z50RSMT
Hello,I have a customer who is wanting to know the thermistor coefficient for PN: BQ40Z50RSMT. Neither myself nor my CSR could find this on the datasheet. If someone can provide an answer or point me...
View ArticleBq20z45 Discharge FET question
Discharge terminates on a CUV fault condition to open the discharge FET. Is there a way to keep the discharge FET off/open until a charger is connected? The only way that I can see to do that is to...
View ArticleBattery Characterization for Leoch LP12-9.0
Has a ChemID been created for the Leoch LP12-9.0 Sealed Lead Acid battery? We are designing a system where three of these will be used in series. If not, where can I get information to submit a...
View ArticleEV2400 + BQ78350 + BQ76920
Hi,I'd like to know if there are any restriction or anything I've forgotten in this plan:Under the Formula Student Competition we are developing an electric race-car and for this I'd like to build my...
View Articlebq27532EVM User's Guide (SLUUB58): mistyping or inconsistency .
I've found several contradictions in the bq27532EVM User's Guide (SLUUB58).Sections 2.1, 2.2 and 2.4 and schematics (figure 1) describes certain connectors, but this description conflicts with the...
View Articlebqstudio Help documentation difference
Onyx,Thanks for the prompt reply. I did download and install bqstudio Ver 1.3.42. Is this the latest? The reason I ask is that the Help information has some differences with the features in the...
View ArticleBQ40z65 charge FET opens when disconnected from BQStudio
I have just completed the learning cycle on a new BQ40z65-based pack. The appropriate status bits have updated, the RA table appears to have updated and the QMax looks right. However, not I can't...
View ArticleLearn Cycle "Error: [RUP_DIS: Not Clear]" after discharge relax
I get an error from a learn cycle using Battery Management Studio with BQ27421 fuel gauge that states "Error: [RUP_DIS: Not Clear]" after discharge relax.RUP_DIS and VOK are always set during the...
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