Forum Post: RE: I2C/SMBus commands for bq40z50
Hi,the i2c-Adress is 0x0B (SMBus 0x16 (R/W-Bit low) for Write and 0x17 for Read)I can read and write SMBus-Commands like Voltage, Capacity,... described in the Ref. Manual with standard i2c...
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Forum Post: RE: BQ24120 - Over discharged battery is not indicating a fault...
Ryan,see below for the outcome when STAT1 was connected to a scope. Does this help describe what may be happening? Can you explain the difference in the BQ24187 and the bqSWITCHER as the bqSWITCHER is...
View ArticleForum Post: RE: bq24616, sys12V power waveform is strange
Dear all，Is there anybody who can help me to locate this issue?
View ArticleForum Post: bq40z50 - how to start
Hi,we will use the bq40z50 for an 2-Cell Li-Ion battery pack in an microcontroller driven device.I've read the thread "Introduction to Multi-Cell Gas Gauges" on top of this forum and some other...
View ArticleForum Post: bq500212AEVM-550 fire
My evaluation module completely stopped working. Upon visual examination, I see U2 and U3 both have pin-head sized holes burned right through their plastic casings. I need to figure out why or how...
View ArticleForum Post: RE: GG import with errors
Thank you, with the current Gauge Studio importing of .gg-files seems to works flawlessly, problems only occured in the EVSW. But I don't like the fact, that Data Flash Contents are directly written to...
View ArticleForum Post: RE: BQ24295 EVM - incorrect current limit
Hello Natallia,Looking at the register setting everything appears to be in order. So even if you are requesting more current it is maintaining a consistent voltage on the input but holding the charging...
View ArticleForum Post: RE: BQ24253 max input current
Hello Patrick,Sorry for the delay.The input current does have a recommended maximum of 2A but if you look at the Absolute Max ratings on Pg. 3 the device should be able to momentarily output up to 4A...
View ArticleForum Post: RE: Using BQ24120 for new designs
Hello Omer,What is the test case where the devices are failing?One of my first thoughts is that if most of the failures are primary occurring with a 16V input source that instability in the wall...
View ArticleForum Post: RE: USB single cell charge on two cell system
Hello Mark,I have my concerns with your design. There is no guarantee that the batteries will be at the same voltage when you configure them in parallel for charging and even the smallest voltage...
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Forum Post: RE: bq24160 I2C
Hello Jbeli,Due to variation in code styles and compilers I can not speak as to whether or not your code will work.The way I would approach this question:-Enable I2C-Address the device-Read the Status...
View ArticleForum Post: BQ77908 Using identical circuit as EVM, removing power from BAT...
Hello all! I am using the BQ77908A multi-cell Li-ion protector IC.Need help urgently with an issue regarding battery management circuit roughly identical to BQ77908AEVM circuit. With CHGST held...
View ArticleForum Post: RE: USB to GPIO
Thank you for your response! Тhe current version of firmware is 1.0.10. Is there no updates?
View ArticleForum Post: RE: BQ76940 does not respond to I2C
Wm5295, Hi,I found the document in the TI website,"I2C Communication and Sample Code for bq76940 with CRC -based on the MSP430"Where can I download to this sample code? Thank you very much!
View ArticleForum Post: RE: LM3658 Icc_stby
Hello Ryan,I had an issue on my PCBA: When charge finished, LM3658 was effectively going into stand by. But my PCBA had abnormal current leakage (5[mA]) from CHG_IN to BATT leading to overcharge the...
View ArticleForum Post: RE: GG import with errors
[quote user="Kjell Ramberg"]I have been experienced the same problem but problem was solved once I changed the regional setting from Norwegian to Englich - US.[/quote]Do I have to switch from German to...
View ArticleForum Post: BQ24450 as a dual step current charger
Hello everybody. I am looking for some help, so if anyone could kindly provide some, please do so.I am designing a Lead Acid 24V/5Ah battery charger using BQ24450. Reading the datsheet I realised I...
View ArticleForum Post: RE: EV2400 Custom software
Hello,I have few questions to TI Team:- is it EV2400 works only with bq evaluation software?-do You have drivers for win 7 and libraries to use EV2400 to works with software developed by us??If You...
View ArticleForum Post: RE: USB to GPIO
I think that is the latest update for the general purpose adapter. There is a different firmware version to configure the adapter to support Battery Management Solutions applications and I attached it...
View ArticleForum Post: RE: BQ25504 EVM: Charging Supercap from 1V to 3V
I expect some switching ripple but more consistent than shown above. Can you use an oscope to zoom in on VSTOR, LBUCK and VOUT over 3 of the different sized pulses?
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