Inquiries regarding internal ADC on BQ27520-G4
Hello, allNow we have some inquiries regarding internal ADC on BQ27520-G4 from our customer.Please refer to the items below, and feedback us with your comment.Is the reference voltage for ADC2(BAT)...
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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Optimization cycle in BQ34Z110 ; VOK flag not set
Hi all,We are using BQ34Z110 fuel gauge in one of our designs to operate with a 12V 7AH lead acid battery. We have completed the configuration,calibration part & now want to run a optimization...
View ArticleCreate VOUT on the EV2300 HDQ port to program bq26500
We're writing production software to test and program the bq26500 gas gauge using the EV2300 HDQ port. To program the bq26500 EEprom you need to create a pulse on the VOUT, which the bq26500 Monitor...
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I want to unlock the BQ27510-G3 with I2C
These were BQ27510-G3 flags.( factory output )I already enter Unseal and Full-access mode.except bqEasy..but I can't write flash parameter. I want to know other command for unlocked the falsh.how...
View Articlebq78pl116 .aux file generation problems
Hi there guys.It`s me again, this time is because I get some errors on generating of the .aux file.So I did the 15th steps in the slua505b, and I have a csv file with the logs needed to generate...
View ArticleLi-Ion BATTERY CHARGER AND POWER-PATH MANAGEMENT
Hello,I am planning to use BQ24072 in one of our application. It has power path for system load and Battery charging. I want to feed output voltage direct to my System load, which is module works on...
View Articlebq769x0 Shutdown and Wake Up
Hello,What pins are active in the bq769x0 during shutdown? Are the CAPx pins low to their respective references? I assume REGOUT would be off.I'm going to use the bq76930, but I need a way to wake it...
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...
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Question Regarding Connecting bq27742-G1 Fuel Gauge to BQ24040DSQT Battery...
Hi,This is my first time using a single cell fuel gauge for my specific project and I'm planning to use the bq27742-G1 fuel gauge. However, I just want to clarify if the Rsense, as shown in the...
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bq34z100evm Caliblation modify by Using the Data Flash tab of bqEVSW(EV2400)?
Hello,Please forgive my poor English.With reference to the slua665, I have been trying to make the DFI file for mass production. So, Using the Data Flash tab of bqEVSW(EV2400), I am trying to write the...
View Articlebq34z100 Discharge Current Maximum
HelloWhen my discharge current exceeds the register maximum of -32767 (125mV), something I did not expect happens. The fuel gauge continues to read current, albeit a little less accurately, but the...
View ArticleQmax update ON BQ20Z70
hie there(DURING IMPEDANCE TRACKING),i have this problem:i have a 3s2p 20z70 based battery and its charging voltage is 12600mV and current 3080mA.However i am charging it with a 14700mV 1500mA CHARGER...
View ArticleBQ27510 Clock Stretching
I have a BQ27510 connected to an ARM processor; the I2C baud is 375Kbits. I notice significant clock stretching with the ninth bit (~120usec) for voltage reads. The datasheet talks about clock...
View ArticlebqTester.exe source code
Request copy of bqTester.exe source code. Please see attached excerpt from BQMTester User's Guide (SLUU238B).Thank you,Tim Denson
View ArticleBq34z100 Control and Block commands
Hi ,I wanted to know about how control command and its subsequent 2byte sub commands retrieve data.We are considering a code to send command 1 byte at a time to fetch the data.So if suppose i want to...
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bq27510 I2C communication
I am trying to communicate with a bq27510EVM from a target board that is powered with 3.3V. The bq27510EVM has no problem communicating with the bqEasy software that accompanies the EVM. However, when...
View ArticleBQ78350 charge disable register
Hi,We are trying to set up the protection on the BQ78350 to monitor/control battery charging.In the Technical Reference Manual SLUUAN7 Rev. A section 5.5, the conditions to disable charging are...
View ArticleBQ78350 discharge disable
Hi,We are currently trying to set up the protections on the BQ78350, and I would like to know what conditions trigger OperationStatus()[XDSG] = 1.So far, I have only found that UTD sets the bit, but it...
View ArticleBQ34Z100 Design Steps
Dear all,I'm trying to do the design step as described in the BQ34Z100 data sheet and i have some questions. I'm working on a custom board with a 9S Li-Ion configuration. I set the voltage divider with...
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