Change load select after Golden Cycle
Hi, I use BQ27510-G3 with a Golden Image. TimeToEmpty log shows a straight line but too high at the beginning of the discharge (+40 min over 6h) to end at a good 0 min. In result, TimeToEmpty minute is...
View Articleusing I2C with bq27520EVM
Hi,I have a bq27520EVM (HPA568 Rev. A). I am trying to use I2C communication between the Evaluation board and Arduino Uno where Arduino is the master and bq27520EVM is the slave. I have set-up the...
View Article[bq27541-G1] Changing the SOC % value at specific battery voltage
Hello~As I am a beginner for Fuel Gauge, I have one question for bq27541-G1 device with TI EVSW.I want to change the displayed SOC % value to 0 % at 3.2V or 3.4V battery voltage condition.Are these...
View Articlebq20z40 v1.04 software
Hi. I'm trying to repair battery for hp MU06 with bq20z40. This bq20z40 is v1.04, but on Your site i found that bq20z40 has NRND status and most fresh bqeasy software is for bq20z40-R1 v1.05. When I...
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bq20z90
I'm beginner on this IC. I have a battery pack fit to the IC, but seems not able to discharge when connecting to resistor load. Can advice anything that I have done wrong. I enclosed the SBS screen for...
View Articlebq29209 cell balancer
I am having a problem understanding the cell balancing IC datasheet. specifically the Recommended Cell Balancing Configuration table listed on page 5 of the datasheet. It lists the ICB values with a...
View Articlebq76PL536EVM-3 latest schematics
Hello, I found attached schematics of bq76PL536EVM.(rev E6)Is this schematics latest version ?(Please visit the site to view this file) If this is not latest version, could you please share the latest...
View Articlebq2084 RemainingCapacityAlarm bit set?
Hello,For the bq2084:The BatteryStatus() function returns 0x02C0, which means: REMAINING_CAPACITY_ALARM, Initialized and DISCHARGING.RemainingCapacity() returns 0xAE31, and RemainingCapacityAlarm() is...
View ArticleBQ27425-G2 Sample code
Hello,Someone could please send a sample code for communicating with the component BQ27425-G2 with I2C?Thank you,Ido
View Articlebq2084 Data Flash 0x0134 to 0x0168 locations?
Hello,The command code 0x73 is used to read/write DF 0x0130->0x0133 locations. How do I read/write the 0x0134->0x0168...
View ArticleBQ29700 - stackable?
Hello everyone.I'm trying to design a 2 cell Li-Ion battery pack, with overcharge, overdischarge and overcurrent protection implemented. Currently, BQ29700 x 2 is more economical than the next closest...
View ArticleProblems writing to Data Flash on bq20z45
Hello,I am currently trying to communicate with a bq20z45 IC (through a bq20z45 EVM) via an Arduino, and I've been struggling to get data flash values updated.The first thing that I made sure is that...
View ArticleBQ 34z100 not responding to unseal key
Ok, still having some low volume production pains. I have a quantity of 60 or so batteries that after programming data flash and doing IT enable and sealing, FAS is set but SS is not set. attempting to...
View Articlebq40z50 Remaining Capacity Alarm Data Flash
I used Battery Management Studio to change from the default value for SBS Config/Data/Remaining AH Cap. Alarm (from 300 to 700).I then checked the value using the 0x01 Remaining Capacity Alarm()...
View ArticleHow to access bq2084 Data Flash 0x134 to 0x168 locations?
Hello,I have been able to read/write the bq2084 0x0000 to 0x0133 Data Flash locations, using command codes 0x60 to 0x73.But how do I access the rest of the data Flash? According to the bq2084...
View Articlebq40Z50 AOLDL
I think I understand the subtleties of SafetyAlert()[AOLDL] versus SafetyStatus()[AOLDL] versus Enabled Protections A[AOLDL], but if Enabled Protections A[AOLDL] = 0, are the SafetyAlert and...
View Articlebq2084 Data Flash locations above 0x133?
Hello,Firmware Rev (0x0002) under ManufacturerAccess (0x00) reads 0x0100, which means I am using a bq2084-V100. But I cannot find the datasheet for that version, to see if this software version only...
View ArticleBQ77910A Continuously current drain issue (balancing)
Dear all,I´m running the BQ77910AEVM together with a Li-Ion battery pack which consists of 10 cells connected in series. I got one big issue: When I´m charging or discharging the pack a continuously...
View ArticleFuel gauging AB battery pack
Hi everyone,I am looking for more information on fuel gauging batteries, build with dissimilar cells, some call them AB batteries. For example 2s2p battery, build with two pairs of series cells, one...
View ArticleBQ78PL116 Capacity scaling
Dear All,I'm using BQ78PL116 with a large pack with 56Ah capacity.as you know, the capacity register can only express up to ~32700 mAhis there a more "elegant way" to calculate capacity other than...
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