bq20z95
We are using the bq20z95 chipset on a system. During initial builds of the systems, the chipsets were programmed with lifetime data updates turned on, and the boards were tested to ensure alarms and...
View ArticleLifetime Cell Min Voltage Set to "0" Issue
I have observed several instances in which battery packs using the bq20z95 gas gauge are coming of a cycle test with the lifetime min cell voltage set to "0." The cell voltages in the pack are all...
View ArticleArduino or MSP430 code for reading Bq34Z100 Chip data?
I would like to read the battery data from the Bq34z100 chip via I2C communication from either an arduino or a MSP430 board. Is there any working library already created that would allow me to easily...
View Articlebq40z50 removed from battery and plugged back in
Hi Tom,Assume a bq40z50 circuit is programmed to operate standalone, and [NR] is set to 1, yet the circuit is removed from the battery and then plugged back in (which means the bq40z50 loses power for...
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how can I read data from bq34z100 I2C_write,I2C_read ?
HiQuestion:Average currentvalue ofBQ34z100fromI2C - 1 bytedatareadsIteupnidaverywell.CURRENT: 0x0018 ->olryeogotoreadthe current valueReturns the instantaneous current measured by the...
View Articlebq40z50 standalone operation
Hi,I am new to TI BMS ICs and I have a question about bq40z50.How can I configure BQ40Z50 to operate standalone (i.e. not talking to any other ICs via SMBus)?And if a battery charger follows a charging...
View Articlebq27510 Firmware version check and programming using dffs
Hi All,We are currently in production and the latter part of the production phase will have a mixture of bq27510-G2 and bq27510-G3 fuel gauges. We had generated golden file, bqfs and dffs for both the...
View ArticleBQ34Z110 as general-purpose SOC and RM meter
I would like to know if BQ34Z110 could be used as a general-purpose SOC andRM meter for lead acid batteries. Would it be possible to use random lead acid batteries and read their SOC and RM without...
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 ArticleQuery reg BQ34Z100
Hi TI,As per data sheet it is mentioned "Upon detecting A/D value representing 2.5 V on VEN pin, Four-LED mode will display the RSOC by driving pins RC2(LED1), RC0(LED2), RA1(LED3),RA2(LED4) in a...
View ArticleHow to eliminate DEVICE_XREADY bit
Hello.We are developing a new Project with the BQ76940 IC and sometimes, when the current flows and we are measuring CC current, the BQ76940 stops the FETs and give the DEVICE_XREADY fault...
View ArticleBQ Studio Chemistry Update
I need to update the chemistry list in BQ Studio but I can't.The 'update' link in Studio doesn't work so I downloaded the zip file but that didn't work either. Looking inside the zip, there don't...
View ArticleChemistry ID Enquiry
Hi,I am using BQ20Z90 as my gas gauge IC. and would like to pair this design with the battery pack:Samsung INR18650-25RCurrent this cell does not have its corresponding Chem ID in the selection file's...
View Articlebq76pl536
hi. i try to simulation a bms by tow bq76pl536 for monitor 12 cell in proteus. but, isnt any library and model for it. how i can simulate it
View ArticleBQ20Z90-V150 Firmware update
I am working on a new project that is using the BQ20Z90-V150 Li-Ion battery gas gauge IC. We are going to be using the new Samsung INR18650-25R cell for the application. Currently your list of cells...
View ArticleBQ27510 device is not come out from the ROM mode
Hi SIr / Madam ,This is vengad here from Avnet , one of my customer has completed the BQ27510 Fuel gauge proto board for Medical applcaition .They need to do command line approach to program the fuel...
View ArticleBQ27510-G2 I2C NACKs everything
Hi,The device responds to neither its ROM-mode (I2C address 0xb) nor its not-ROM-mode (I2C address 0x55) address - both get NACKed.Are there any chip-external hardware issues that might cause this?Is...
View ArticleBQ27421 I2C confusion
Hi everyone,Could someone please help me provide me a small code snippet on reading the Device Type using the Control command and its sub-command? Also for putting the device to Shutdown? or even a...
View ArticleBQ27510-G3 : can't access to Final Voltage and Final Volt Time
Hi,I follow bq27520-G4 reference manual because i can't found any reference manual for BQ27510-G3.In the bq27520-G4 reference manual, there is 2 registers (Final Voltage & Final Volt Time) in...
View Articlebq34z100 - New design implementation
Dear All,I am implementing a BMS design for an electric Vehicle using the BQ34Z100 IC and I have a few questions after reading the datasheet.I understand that some of the reported values are scalled...
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