bq20z95 chemistry update for Panasonic NCA103450, 2200mAh
I have to do a new project with the qp20z95. It is a battery pack with 3s1p of the Panasonic NCA103450 cell. I use the EVSW with the EV2300 HPA002.My problem: The Panasonic NCA103450 is not in the list...
View ArticleBQ40z50 O/L Scaling Factor
HiIn early stages of development for a sometimes battery operated device and researching multi-cell (4) gauge/protection options and have some questions about the BQ40z50 device. The datasheet...
View ArticleEV2400 GPIO
Hello,I am using the EV2400 to test battery packs which include the BQ27541. Is there a way to toggle its GPIO lines via an API? It would be useful to automatically toggle various loads at different...
View ArticleBQ20z65 Shutdown with current not zero
Dear all,we want send the BQ in Shutdowndown mode with the 0x10 command. Our problem is, that we have not a current of zero, because our CC-Offset can not be calibrated to zero. Have you any idea to...
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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 ArticleBattery charger multiple chemistry and multi-cell
Hello,I am looking for battery chargers and monitor (Gas Gauge) for nimh and life-po. The battery is multi-cell. Rather, the unity for monitor i want in separate module.If a TI don't have this module...
View Articlebq27510-G2 Unable to write CC offset in EVSW flash tab
I am trying to change the calibration values in bq27510-G2 using the bqEVSW flash tab. I can write the Pack V Offset and temperature, but not the CC Offset value. The data field becomes red and an...
View ArticleBQ34Z110 RM and SOC measurements
Hello.In my application i use lead-acid battery (Fiamm FG22703 12V, 27Ah) with bq34z110 fuel gauge, which connected to MCU stm32l151c6t6 over internal i2c. The bq34z110 in my app is supervisor. I have...
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Impedance Track Algorithm not working as expected ?
Hi, We are currently testing the BQ34Z110EVM and are facing difficulties ...You can see from the screen bellow that the State of Charge is not being properly calculated, as there are discontinuities...
View Articlebq34z100 State of Charge showing wrong
Hello,We are using Li ion 2 cell battery with max 8.4 V and 3400 mAh. In my application minimum battery voltage is 6 V.So the range is 6V-8.4V. How can I set the limit for minimum and maximum voltage...
View ArticlebqTester for bq34z110
I'm trying to read ROM file from bq34z110 as described in SLUA665 "Going to Production With the bq34z1xx".Unfortunately the "bqTester ROM Imager" from slvc109.zip (bqTester 1.02) doesn't recognize...
View ArticleBQ33100 - System load connection (per sec. 7 of sluu466)
What is the system load connection on the BQ33100 eval board used for? Our bank of cells connect directly to an external power source/sink and we are investigating using the BQ33100 for cell balancing...
View ArticleEV2300 MAC OS Driver
HelloIs TI has release the EV2300 driver for MAC OS?If no, Is there any equipment can be use on MAC OS for reading gauge SBData and DF.Please kindly comment, Thanks a lot for your suggestions.
View ArticleInquiries regarding bqEASY for BQ27520-G4
Hello, allNow we have some inquiries regarding bqEASY for BQ27520-G4 from our customer.Please refer to the items below, and feedback us with your comment.1) Please let us clarify whether the settings...
View ArticleBQ20Z45 CUV alarm not clearing
I have a 2-cell application. CUV Threshold is set for the default 2200mV. Cell 2 is at 3500mV. I reduce the voltage on cell 1 until it drops below 2200mV - CUV flag is set, TDA is set, discharge FET...
View Articlebq20z40 v1.04 software
Hi. I'm trying to repair battery for hp MU06 with bq20z40. This bq20z40 is v1.04, but on Your site i found that bq20z40 has NRND status and most fresh bqeasy software is for bq20z40-R1 v1.05. When I...
View ArticleBQ20Z45 SCD alarm not clearing with NR set
NR is setCurrent Recovery Time is 8sAFE OC DSG is 0x00 (4.5A in my circuit)AFE SC DSG Cfg is 0x70 (9.1A in my circuit)If I set the load for 4.6A, AOCD goes up for 8s, then goes back down. If the load...
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BQ28Z610 At Rate And State time
Recently , found some failures with abnormal At Rate value and State time value. Normally our PACK are all have 0mA for At rate and State time are less than 200s. As you see from below picture ,the At...
View ArticleBQ40z50 wake button
Dear all,we've seen on the BQ40Z50EVM a wake button option, in order to wake the IC on first use.we are developing a PCB based on this chip, should we add this wake button (or jumper) from pack+ to 4P...
View Articlebq34z100 cannot program flash configuration
Hi All I'm trying to program the data flash configuration on my bq34z100 eval kit. It's the first time I using the bq design kit and software. Following the Design Steps in SLUSAU1B beginning on page...
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