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BQ27510 abnormal RemainingCapacity working
I test NCR18650PF battery and EVM27510-G3. Load with 550 mA to -30°C to check capacity of the battery and BQ2750 information.RemainingCapacity register falls from 302 to 0 with batterie volatge =...
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HPA495 could not detect temperature probe
Hi,I am currently using Bq20z90 v1.50 and am preparing it for mass production. Currently using the BQ multi station tester HPA495, and having issues with it not able to detect the temperature probe.I...
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bq27530 Gerber file
Hi,Where could download the gerber file? I want to check the VIA size. Thanks!
View Articlewhich will be suitable to instead BQ27500-V130
Hello:I have used BQ27500-V130 to perform the faul gauge of the battery of my design, and almost finished my design now , but I got the information that this ic is now not recommanded in new design...
View Articlebq27510 BI/TOUT
What is the voltage at TOUT (when it is pulled high) during temperature measurement?
View ArticleBQ27510-G3 Life cycle?
Is the BQ27510drzr-g3 near the Not Recommended for New Design stage? I see 231 units available from Mouser, no other North American distributor is stocking it, and the similar G2 part is already NRND....
View Articlebq769x0 VCn filter components
Datasheet states 100 min and 1k typical value for Rfilt on VCn inputs. There is no maximum value.I believe Cc information is for the associated capacitor. Right?EVM uses 1k with 1uF.Would it be...
View ArticleBQ3050 RSOC Question
Hi,My Name is David and I need to ask a TI engineer a question off of the public forum. It is in regards to our battery management system that uses a BQ3050 and it's non-linear RSOC performance below...
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BQ27621-G1 stops responding when the battery is replaced/reconnected
Hi,BQ27621-G1 fuel gauge stops responding to I2C commands(NACKing!) when I disconnect and reconnect the battery. Also I observed I don't see 1.8V LDO output on VDD pin when it is not responding!If I do...
View ArticleBQ78350 work without MCU
Hello,We get a customer who wants to use BQ76940+BQ78350 to accomplish 15 cells monitor and protection.Is that possible to work without MCU after configuring the setting by GUI ? Can BQ78350 monitor...
View Articlebq34z100 High Pulse Current
I am using the bq34z100 for an application which has very occasional, extremely high, but short duration, pulse current loads on top of a more constant current profile. Would you be able to advise me...
View ArticleWriting in the Manufacturer Info Block of bq27510-G2
Hi,I had done multiple dfis before and was able to parse the bqfs to be included in the C# code for the programming at production phase.As a last minute request of the client, they would want to redo...
View ArticleBQ77910A EVM
Dear TI support,We aredesigning acircuit usingaBQ77910A.In the datasheetsluu855,sparkgaphas beendescribed.Since wewant todesign asparkgapasESD protection,Could youtell methe layout of thegap?
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BQ33100. Can't change flash values
Hi. I made a supercap charger and trying to get it working. Currently i'm stuch trying to configure bq33100. This charger should be configured to use 2 series supercaps, internal temp sensor, stack...
View ArticleBQ34Z110 X10 scaling parameter (bit 7 of the Pack Configuration Register)...
Question 1) I am confused by the description given on page 21 of the BQ34Z110 data sheet (Dec 2012) regarding the X10 MODE.X10 MODEThe bq34z110 supports high current and high capacity batteries above...
View Articlebq27510-g3 min value of the standby current
hello,i'm involved in a design where the reporting of the remaining capacity of the used battery is vital. So i've decided for this purpose to use a system gas gauge bq27510-g3.I've understood mostly...
View ArticleArduino BQ34Z110 / BQ34Z100 program to read and write flash
Hey,here is a little program to access the dataflash with an arduino over I2C... I just used it with BQ34Z110 but it should work with BQ34Z100 as well but no guarantee for that. I could solve many...
View ArticleEC2300 and C#
Hi. I want to communicate with a battery via the EV2300 module, in C#. does anyone know how to do this? relatively new at c#, and it's been awhile since i programmed in visual basic. hoping there's a...
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BQ27421 Datasheet Clarification
I am looking at this device bq27421 which has an integrated sense resistor, and their block diagram shows it going between the SRX and BAT pins. But in the electrical parameters section, it states...
View ArticleMSP-TS430PN80USB and bq76PL536EVM-3
Hello,I have the MSP430F5529 and bq76PL536EVM-3 modules and i'm trying to verify the cell balancing algorithm with 6 li-ion cells that are connected to the first battery connector as single operation...
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