BQ27425-G1 - PCB Routing Question
Is there any documentation outlining how to "fanout" the BQ27425-G1?Looking at the evaluation module documentation it looks like they put a via right in the pad itself.Can anyone confirm this or point...
View ArticleBQ20Z655-r1 LCD Screen Random Blink
Hello,I have a new design utilizing the BQ20Z655-R1 Gas Gauge and I am having an odd issue. There are two seemingly separate issues. The first revision of the layout has been completed and I just got...
View ArticlePossible Bricking of bq20z95, what commands could bring it back?
I was messing with the BQTester V1.0.2, which doesn't have support for the BQ20z95 built in. I read somewhere to add it in the targets folder so I did. Then I attempted to upload my golden dfi, then...
View Articlebq34z110 Chemistry ID for G & Yu EB-100 Lead Acid battery.
We are planning to use the bq34z110 for G & Yu EB-100 Lead Acid battery.But there is no Chemistry ID for G & Yu EB-100 Lead Acid battery.We have read Application Report for Chemistry ID...
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BQ76PL536A-Q1 Problem with the cell voltage measurement during charging cycles
Dear TI-Support Team, I have an issue with the BQ76PL536A-Q1 used for cell surveillance in our BMS. System overview:Our automotive battery consists of two battery stacks with a 72s2p configuration...
View Articlebq76920 driving paralleled FETs?
Hello,We have a high-current application for the bq76920 that would require six paralleled CHG FETs and six paralleled DSG FETs. We realize that the turn-on and turn-off times will be extended by doing...
View ArticleIs it an malfunctional bq76pl536-evm-3?
Recently we purchased a bq76pl536-evm-3 board. During our first trial, we found the first cell of the first device has always zero voltage. How do we make sure whether we did configuring the device...
View ArticleBQ76PL536EVM-3 SPI config
Hello,I'm trying to connect my new BQ76PL536EVM board to my F28M35 control card, but things doesn't work out.I have adapted the software for MSP430 to this uC and seems I can only write the registers....
View Articlebq76920: FAQ confusion about possible EVM comm line damage
Hello,Section 6.10 of the bq769x0 FAQ states that the communications lines could possibly be damaged if the clamp circuits are referenced to PACK- and the FETs turn off, including on the EVM. But on...
View ArticleBQ27541-G1 hibernate mode
Hi,We are planning to use BQ27541-G1 chip in out design and we have doubt regarding the different power modes this chip can support.We want to use SE pin in the chip to cut off power from battery to...
View ArticleDifficulties producing a credible golden pack (bq20z80a-v110). Qmax updates...
We have been unsuccessful creating a credible producing a golden pack from which to create a golden image file. The hangup occurs during the battery learning cycles. Qmax values update and the CF bit...
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Problem with measuring the cell voltage in the Bq20z65
In the calibration process I connected reference voltage source in the point P4,P3,P2,P1. I performed the ADC calibration but the BQ20Z65 poorly measures the voltage on the cell P4. The voltage...
View ArticleError full charge capacity after learning cycle
Hello, I have problem with my bq2084 Gas Gauge ,after calibration and cycle learning the bq2084 change the value of the full charge capacity but with a value of 62535mah which is enormous knowing that...
View ArticleCell 0 DOD at EOC and Full Charge Capacity
Hello TI: My english is very poor.There are some question about BQ27510. The Cell 0 Dod at EOC of BqEasy was 336,when the cell discharging.I don't understanding the meaning of Cell 0 Dod at...
View ArticleDesignCapacity() is correct but FullChargeCapacity() is incorrect
Hi,I am using a BQ27421 with a 120 mAh Li-Ion Polymer battery. I am programming the Design Capacity to 120 mAh and the Design Energy to 444 mWh using the TI CC2541. After programming, the...
View Article[bq27541] difference between Design Capacity and Full Available Capacity
(Please visit the site to view this file)Hello~I have several questions for bq27541-G1.I've checked the LOG file through the GaugeStudio Tool.Attached is Full LOG file.1. According to LOG file, "Design...
View Articlebq34z100 unsealing issues
Good morning,recently I had to unseal some battery packs for changing some configuration parameters and I followed the standard procedure I found in a post (I haven't changed any default access...
View Articlebq78PL116
Hi!. we are using the bq78PL116 for managing 11S1P battery. I need 11 temperature sensors. Unfortunatily.... PL116 supports only 4 sensor. On SLUU481 wrote "bq78PL114S12 and bq78PL116 Comparison Chart...
View ArticleFG Programming - bq27510-g2
Hi All,We are currently in the production phase. for the build we are looking into 30K production build.The Assembly line of our product usually starts with the SMT or Surface Mount of the ICs followed...
View Articlebq27510 chemical selection and temperature measuring error
HelloI am trying create Golden file using bq27510 and BQ Evaluation Software ver.9.92, but had difficulties in several stages.Firstly I received message "Error: Could not find subclass and offset for...
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