Using 1cell fuel gauge for 2cell application
Hi,Our customer is considering to use 1cell fuel gauge like bq27421 for 2cell application. I found following app note, however now they are considering to monitor only bottom cell without additional...
View Articlehow to access BQ28Z560 Data flash . for examply "Qmax cell 0"
I don't know how to write/read data in/from data flash though I2C pro, not the BQEVSW software. because we will use it on my ARM board. for example the "Qmax cell 0". from the datasheet,...
View ArticleSaving .senc files
Just some background information: -Using bq20z65-R1-Using EV2400-Using WinXp and/or Win7 Under the Pro screen of bqEVSW, you can select "Flash Memory" then "Read to File". This option is used to take...
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BQ33100 4 cell questions
Hello,We are working on a supercap backup circuit that uses the TI BQ33100. While the EVM shows examples for a 5 cell setup, we have a 4 cell setup, and have a few questions that we can't answer...
View ArticleI need to review a gg file for bq20z60 or bq20z65 - Anybody Have One?
Kind peers,I will soon be doing some contract work with the bq20z65. I'm pretty strong on the z80, z90, z95 and z75 families.I just want to review and compare the new or revised variables. I know the...
View ArticleBQ34Z100
We are thinking about using the BQ34Z100 on a 3 cell series pack. The cell is a LiFEPO4 polymer cell. I know LiFEPO4 cells are safer than Li-Ion cells but do you think an additional battery...
View ArticleBQ76940 does not respond to I2C
Hi TI experts,BQ76940 does not respond to any of the I2C commands. According to the oscilloscope traces, it does not generate ACK signal. (bus is not pulled down in the 9th clock cycle)I have double...
View ArticleInterfacing with BQ8015 for programming
Hi,I am new to the industry, I was wondering what I would need in order to interface with the BQ8015 for programming the eeprom? I have used MPLAB for programming FPGAs and PIC however its been a while...
View ArticleEV2300 can't work
Hi,I have two EV2300. One works well both under "bqEVSW" and "GaugeStudio" when connect to "BQ27541EVM". And when I open the "GaugeStudio",the "Gauge Dashboard" shows "EV2300 firmware 3.1r".But the...
View Articlebq20z60 sleep and shutdown modes
Hi,I am programming a bq20z60 and after several tests I have seen that for some reason I cannot enter SLEEP and SHUTDOWN modes. I have tried to follow the SLUU386 reference manual but still is not...
View ArticleWhat RESET command do ?
Hi,I'm experiencing difficulties during learning cycle with bq27510G3 gauge.What a RESET command should resets ? Currently, when I send this command, "IT Enable" is still 01 and "Cycle Count" doesn't...
View ArticleBQ34Z100 Discharge Log - run through MathCad?
Can someone please run this discharge log through the MathCad tool for Chemistry selection? Battery is a LiFePO4, rated at 10,000mAh.Thanks,Tim(Please visit the site to view this file)
View ArticleBQ34Z100 battery capacity
Hi,I have some questions regarding battery capacity reading of BQ34Z100.Is it normal that the full charge capacity jumping up and down while charging or discharging if the battery hasn't gone through...
View Articlebq76PL536A Evaluation Module schematic and modifications to change EVM to 3 x...
The data sheet mentions full-size reference design schematics are available on request. Where are these located for the bqPL536A Evaluation Module?Secondly, how can the EVM be modified to configure it...
View ArticleBQ28550 - reading & writing Flash
Dear TI,we use BQ28550 in a 1-Cell application.I wrote a Visual Basic program to read out the Golden Flash an write it to an other device.i use the function from BQ20z95 application notes.Here is the...
View Articlebq28550 runtime error 13: type mismatch
Hello,I'm working on a bq28550EVM and trying to configure the Data Flash with TI bq Evalution Sofware(0.9.80). But I have a problem every time I try to open the Class Calibration, other Class are...
View ArticleBQ3050 Temperature Accuracy
What is the temperature measurement accuracy of the bq3050? It is not stated in the datasheet.I'm using a 1% 10K thermistor.
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bq3060 COV Problem
I have a proven design with a bq3060 using LiFePO4 cells. It's a 3S1P design. I've been using the board for over a year with no significant problems. Today we built some boards and when we start...
View ArticleBQ34z110 programming
Hi,I want to know if BQ34z110 can be programmed using some microcontroller I2C interface?
View ArticleAccuracy of voltage and current on calibration board HPA169 / HPA495
Hello !On calibration board HPA169 and HPA495, what is the tolerance (%) of current and voltage regulation at the end of analog chain ??Why did you replace the resistor (HPA169) by amplifiers (HPA495)...
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