bq77908a Discharge Overcurrent and Discharge Shortcircuit Not Working
I am having an issue with a bq77908a. I am testing a design that is heavily based on the bq77908a EVM schematic but with a series FET configuration. There have been mistakes in copying from the EVM...
View ArticleBQ76PL536 EVM software
Is it possible for TI to provide the visual studio source code for the EVM software?I am trying to implement an algorithm to determine battery SOC / DOD and I would like to integrate it into the EVM...
View ArticleI2C Writing and Reading to the bq34z100
I am having difficulty reading data from the bq34z100EVM over I2C. I am using an Arduino Mega and have connected SDA to SDA, SCL to SCL and made sure both devices are sharing a ground. However, I...
View ArticleHow to exit Permanent Failure Mode of bq2084
Hello,How do I clear /SAFE, i.e. exit Permanent Failure Mode?The /SAFE output pin is low, causing the external transistor circuitry to force /PFIN input pin low. So PF clear is futile until I can clear...
View Articlehow to clear PF flags on bq 2084 based batteries
hie therewhat is the default pf clear key for bq2084 and how do i enter it?can you please help me.reuben
View ArticleHow to clear PF Flag of bq2084
Hello,I have read a forum that states PF Flag is cleared by sending 2673 and 1712 via ManufacturerAccess().According to the bq2084 datasheet, the PF Flag controls the /SAFE output. If PF Flag is...
View Articlebq3060 MaxError Problem
I designed a pack with LiFeCO cells and a bq3060 for a customer. At the customer's request, I also provided a reader and let him know he could buy an EV2400 to read the battery registers. Now, the...
View ArticleClearing PF Flag when bq2084 sealed?
Hello,Can the PF Flag be cleared when the bq2084 is sealed? i.e. is 0x2673 and 0x1712 of 0x00 (ManufacturerAccess()) accessable/writable when bq2084 is sealed?How do I unseal the bq2084 - what are the...
View Articlebq40z50 Valid Charge Termination
One of the conditions for a Valid Charge Termination is:Max cell voltage1..4 + Charge Term Voltage ≥ ChargingVoltage() / number of cells in series (4.6 of sluua43.pdf, page 33)Are the "Max cell voltage...
View Articlebq34z100 max sim rate value
Trying to wrap my head around the sim rate functions of the 34z100. I had a TI apps engineer thru a customer suggest changing max sim rate to 0, to alleviate issues with short cycling producing...
View ArticleBQ34Z100 Design Current Reading Problem
Hi All, I am using the BQ34Z100 chip on a board of our own design to measure the state of charge on a 40AH 12V LiFePO4 battery. The golden file for this board has been obtained using the same battery,...
View ArticleEV2300 USB Driver for Windows 7 64 bit
I am yet another user that nhas upgraded my laptop and now need the EV2300 USB drivers for Windowes 7 64 bit please.
View ArticleMissing definition ReadSMBusByteArray and WriteSMBUsByteArray and...
Hello everyone,i would like to read and write data flash to make golden pack.i am using a raspberry pi to do that, i translate the VB code (slu379E) in C code but i have a probleme with 2 SMBus...
View ArticleRestore batch of BQ20z45-R1 to factory default
is there a way to automate the writing of the senc file easily using the TI tools? I have a large batch of boards which needs programming values updated (they are all fully sealed) and the easiest way...
View ArticleBQ20z65 writing directly to subclass 104 with writeSMBusblock
I'm trying to programatically calibrate the current in a BQ20z65. Using the code example from SLUA379E doesn't work because it seems to require current flowing across the sense resistor independent of...
View Articlebq34z100 I2C serial communication
Hello all,Is there any manual regarding the serial communication protocol of the I2C cable in the bq34z100EVM ?My target is to to choose some measurements done by the circuit using the I2C...
View ArticleBQ80xrw not working with labview activeX
I'm using activeX in a labview 2012 application to access the BQ80xrw.ocx file in my windows/TI directory. It works fine using windows XP, and I can load the application but not run it in windows 7 64...
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...
View ArticleBQ27200 - I2C Incremental Read - Only first byte is sent
I am working on a prototype of a rechargeable battery pack for a commercially produced Arduino shield and I am trying to test the communications with the BQ27200 Gas Gauge IC that we have included in...
View ArticleCan't generate .senc file for bq3050
I cannot download a .senc file from my device. I'm running version 0.9.90 of bq eval software. I have programmed the device using a .senc file with the correct chemistry ID, then loaded in my GG file...
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