Reading voltage/current through BQ34Z110 using I2C
Hello, I'm having trouble reading accurate voltages and currents for the BQ34Z110. I use the procedure below to read a voltage:Calibrate the BQ34Z110 through the bq eval software. (Coulomb counter,...
View ArticleBQ78350 ASCD/ASCDL faults loop even after load removal
I have experienced what looks to me like a BQ78350 bug: an ASCD / ASCDL loop without any load connected.The pack(15S4P) was discharging on a 300W constant power electronic load. Near the end of...
View ArticleBQ27530evm but can't find BQEasy
I purchased the BQ27530EVM and have been doing all of the calibrations and eberything seems fine. How do I perform a learning cycle? THere is no BQEASY button on the EVSW and I tried using the...
View ArticleWhat do the reserved bits in cell status for bq78pl114 signify?
We have recently made a small run of 13 8Ah battery packs using the bq78pl114 gas gauge IC. We have made over 100 of these in the past, and there have been no changes to the design or software...
View ArticleBQ Studio Issues
Hi,Although the new BQ Studio is vast improvement over the previous bqEVSW (and it no longer requires frequent reconnecting of the EV2300), I am finding that the register update screen doesn't always...
View Articlebq27530-g1 - there is no bqeasy icon in the bqevsw
HiI am using bq27530-g1. I downloaded the bqevsw and wanted to program the fuel gauge according to "How to Generate Golden Image for Single-Cell Impedance Track™ Devices" article.the problem is that I...
View ArticleCan I use I2C to USB converter board (UMFT200XD-01) with bq34z100EVM?
Hello,I have purchased evaluation board bq34z100EVM through the TI website and received it yesterday. Unfortunately, when I was going through the documentation, I have noticed that I also need an I2C...
View Article12S12P NiMH BQ2060A Fuel Gauge
Looking at using a BQ2060A for a 12S12P NiMH pack. The pack will be about 39Ah in capacity and 14.4V nominal. Is this the right fuel gauge for the job or should I use something else. Currents will...
View Articlebq34Z100 battery chemistry
Hey,We are trying to setup the bq34z100 battery gauge with Li-ion 3.7V (Tenergy 30005-0 www.all-battery.com/datasheet/30005-0_datasheet.pdf ) * 6 but it doesn't have a specific chemistry listed and I...
View ArticleBQ40Z50-R1
I see that it's still in Preview, but could we find out what the changes are between the bq40z50 and the -R1?Thanks.
View ArticleBQ34Z100EVM - Die Temperature over 100C during 3A charge
I am evaluating a BQ34Z100-G1 for a new design and while trying to perform a calibration for the first time, I saw that the BQ34Z100 internal temperature was slowly rising to about 40C while charging a...
View ArticleHow to measure discharge current of a battery electronics using EV2300?
I have an alternate battery I am in the process of qualifying and I wanted to measure the discharge current of the battery electronics. Can do this using EV2300? Please advise.Thank you,Ramon
View ArticleCharger config question bq40z60
Hi!I'm facing an interesting problem. I am trying to config the charging on my custom design. I have 2x2 Li-Ion cell (2 parallel cells in series), Rchg = 0.016R on high side, Rsns = 0.005R resistor on...
View ArticleBQ33100 Shutdown Mode
I am using the BQ33100 in a design almost identical to the BQ331000EVM. I cannot get it to come out of shutdown mode, if I apply power to the VCCPACK pin it come out of SHUTDOWN MODE while the power is...
View ArticleHPA495 Int Temp Probe Error
Hi...We are receiving the following error using BQTester V2.1.3 (BQ20z65 V1.00) - Error reading int temperature from board "TesterA" -The Station Setup has been configured with "On Board Temp Probe"...
View Articlebq40z50 Sleep conditions
I want to put the 40z50 into sleep mode with the CHG FET off and the DSG FET on. I've got the following register settings:DA Config: 0x1A SLEEP enabled, IN_SYSTEM_SLEEP enabled, REMOVABLE...
View Articlebq40z50 External Balancing calculation for Bal Time/mAh
For external cell balancing, what values do I use for RVCx and Rcb?- This is a LiFePO4 pack so I am using a 36 Ohm resistor to achieve ~100mA at peak charge- The pack is actually 36Ah but is scaled to...
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BQ20Z65 - I2C Multi-master, gas gauge not sensing busy bus?
I have an I2C multi-master capable CPU connected to a battery with a BQ20Z65 gas gauge, an LTC4100 charger controller, and a few slave-only devices such as an I/O Expander.CPU (multi-master) | +--...
View ArticleChemistry ID
I'm having problems in calculating the chemistry ID of a battery. The Mathcad software loads the data, but doesn't return a result...Can somebody help me?(Please visit the site to view this file)
View ArticleBQ20Z655-r1
Hello,I'm currently working on BQ20z655-R1, but I met some problems.the probleme is whene i do COV or CUV test the FETs are turned OFF but on recovery the [COV] flag in SafetyStatus is reset, [TCA]...
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