bq40z50 EVM availability?
Hello,Is there a projected availability date for the bq40z50 EVM? We have an immediate application, and were about to begin testing of some bq20z65-R1 EVM's, but rather test the latest chip release...
View ArticleBQ27531 direct link to BQ2419x charger family
For the BQ27531 fuel gauge, what the benefits are to having it directly linking to the BQ2419x family of chargers without the need to connect the 2419 IC to the host. How and what does the BQ27531...
View ArticleCannot clear Permanent Fail flags in bq20Z95
How do I clear the Z95 permanent fail flag? We need to know by the end of the day.
View Articlebattery does not charge to full
hie there againwhen i reset bq2084 and 20z70 based batteries whose FCC have droped bellow or risen above the manufacturer FCC value,when i then try to charge using an external non udjustable power...
View Articlebq27425-G2A / Timing of BlockDataChecksum
Hi,In the datasheet of P15 in bq27425-G2A, it states that "For a block write, the correct complemented checksum must be written before the BlockData( ) will be transferred to NVM or RAM.". But our...
View ArticleChemistry Selection
The Mathcad file in sluc138 is not compatible with the newer version of Mathcad from PTC because TI have locked & hidden areas in the sheet.I'm not quite sure why TI want to hide part of the...
View Articlebq27425-G2A / Disables BlockData( )
Hi,The description of BlockDataControl( ): 0x61 in the P15 of bq27425-G2A's datasheet, I understand that to write 0x00 can enable BlockData( ). Then is it disabled after performing BlockData() ? Or...
View ArticleUpdate BQ27520-G4 firmware and bq27520_3_29.dfi file not found
My company is considering the use of the BQ27510-G3 Fuel gauge, and we bought the BQ27520EVM to evaluate the part.We received the EVM with BQ27520-G1 firmware, so I tried to update the firmware to G4....
View ArticleQuestion on BQEasy
I am working on getting the Bq20Z95 to charge and gauge correctly. While doing the BQEasy software procedures, I notice a couple of things through SBS1) my measured capacity is at zero even though the...
View ArticleNo documentation on setting RA0 in the BQ27741-G1?
Hi TI folks,We can't find *any* information on how you set the "General Purpose IO. Open-drain I/O" RA0 pin on the BQ27741-G1. Is this pin actually available as an general purpose open drain output? If...
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 ArticleBQ28550 initial remaining capacity error
Everytime i first attach a battery to the EVM, i need to apply power to the pack terminals to stop the shut down mode. Then the bqEvaluation software always show the remaining SOC is 5% or less. Why?...
View ArticleI am getting Nowhere with the Z95 and BQEasy
1, I would probably be able to be fixed in 5 minutes if I could speak with an applications engineer. That doesn't seem to be possible anymore.2, I am not sure I'm using the BQEasy software right. a)...
View ArticleAccuracy of Remaining Capacity with pulsed loads ??
Hello,we are currently pondering whether to use a Li-Ion battery with BMS for our mobile respiratory ventilator.Our load for the battery would vary between 0,5A and 4A with a frequency of max 1Hz and...
View ArticleGolden file for production
Hi,I have prepared a Golden file and I would like to use the data to program the rest of my battery packs.When I write the data flash image to another device, then is impossible for me to calibrate it....
View ArticleTrying to achieve a successful learning cycle with bq27510-G3, bq24075...
Hello,I am using SLUA597 for guidance. I discharged my battery (chem 1173) to 3000mV and waited 5 hours for it to fully relax. Using GaugeStudio, I execute the IT_Enable command. SLUA597 says that...
View Articlebq20zXX dfi programming - data erase - BootROM mode
Hello, I noticed the following:In the VB6 sample code TI is suggesting to erase all data rows in pairs with the 0x11 command.I logged the actual I2C communication and found that TI EV2300 with bq...
View ArticleChemistry File for Chem ID 3154
I am using bqCONFIG to setup the bq27531-G1 gas gauge and the Chem ID I believe I should use is not available in the list. It is also missing from the GaugeStudio Chem ID list.Chem ID 3154 (LGC:...
View ArticleEV2300 on 64bit Windows 7
I'm trying to install the driver on my computer and I get the following error: "Error E0000235 in UpdateDriverForPlugAndPlayDevices".I read the forums and there seem to be a lot of people with the same...
View ArticleBQ2084 unseal problem...!!!
Hello...!!!is it possible to unseal the BQ2084 by communication?I was set the unseal passwords before seal it by EV2300 tool. I can not find how to unseal the BQ2084 and have to close this project...
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