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BQ27742-G1: enter HDQ Mode for bq27742
Part Number:BQ27742-G1Dear TI Experts,Is there a easy way to enter HDQ? BQstudio don't have I2C to HDQ button for BQ27742. In another post suggested using EVSW to enter HDQ mode, however, I only...
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BQ4050: After CEDV reaches 7%, the power will almost never fall again (or...
Part Number:BQ4050Hi, Team.After 4050 CEDV to 7%, the power will almost never fall again (or drop very slowly) until it is close to over-discharge. Before 7%, it fell by one percentage point in 1...
View Article[ChemID 1081 ]ChemID Noticed: High frequency resistance were not programed.
Hi, Team:Here is an issue from E2Echina:The ChemID noticed: successfully program the chemistry. The high frequency resistance parameter of this chemical ID is not available and is not programmed.What...
View ArticleBQ40Z50-R1: activation condition after shut down
Part Number:BQ40Z50-R1Hi,When using BQ40Z50, the activation condition after shut down according to the datasheet is that, the Pack pin voltage should higher than 2.05V~2.45V, then to activate the...
View ArticleBQ40Z50-R2: Low voltage calibration
Part Number:BQ40Z50-R2Hi,For the pack voltage after using 11471mv calibration, then turn off the discharging MOS, the BQstudio still shows 200mV, but in real multimeter it measures 0V, how to deal with...
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BQ40Z50-R2: why i can't measure a high level when leave pres pin floating or...
Part Number:BQ40Z50-R2now i want use a gpio from msp430 to control the pres pin of bq40z50R2. dataflash NR bit = 0. now i can control the bq CHG DSG MOS on or off use the pres pinbut when i output a...
View ArticleBQ34Z100EVM: Can I use this EVM to evaluate BQ34Z100-G1?
Part Number:BQ34Z100EVMHi,Since BQ34Z100 is NRND, but we don't have BQ34Z100-G1 EVM. Can we use BQ34Z100EVM and replace BQ34Z100 with BQ34Z100-G1 to do the evaluation?Is the software the same for these...
View ArticleC code showing how to use linux drivers for BQ27XXX battery (HDQ)
Hello,Would you have any C sample code (in user space) showing how to use these linux drivers for BQ27XXX battery ?http://www.ti.com/tool/BQ27XXXSW-LINUX#descriptionAreaI would like to use HDQ but I...
View ArticleLinux/BQ27542-G1: fail to unseal bq27542
Part Number:BQ27542-G1Tool/software: LinuxHello the seal key is 20180101. I try to unseal bq27542 by commands write them by i2c code. fist I send 0x0101 to 0x0000 and then send 0x2018 to 0x0000,...
View ArticleBQ34Z100EVM: Failed to update learned status on bqstudio
Part Number:BQ34Z100EVMHi, I got some problem on bqstudio again.Here's my setupBattery Samsung ICR18650-30B (8*3000=24000mAH) (Connected in parallel)I tried to charge and discharge several time, do as...
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BQ4050EVM-561: Interfacing BQ4050EVM-561 with STM32F7 and fetch Batt. Pack...
Part Number:BQ4050EVM-561Hello,I am trying to interface BQ4050EVM-561 with STM32F7 and fetch Batt. Pack Vtg and display on STM32F7 UART.How should I proceed in this.The device address is 0x17 ?And the...
View ArticleBQ34110: How long do we need to wait after writing to data flash for BQ to...
Part Number:BQ34110The TRM does not mention needing to wait after writing to data flash (4.1.1 Write to DF Example).Is it true that one can write to a DF location and then immediately read it back?Or...
View ArticleBQ34Z100-G1: Impedance Track Termination Voltage
Part Number:BQ34Z100-G1My customer is looking for an explanation on how “Terminate Voltage” is qualified with the impedance track algorithm. Specifically they want to know for how long the battery...
View ArticleBQ40Z80: Maximum pack charge / discharge current
Part Number:BQ40Z80What's the max pack charge / discharge current for the bq40z80?
View ArticleEV2400: EV2400
Part Number:EV2400TI webpage has the following note for the BQ76940EVM eval board:"Due to a temporary driver incompatibility issue with the EV2400, the EV2300 EVM is currently required to install the...
View ArticleBQ78PL116: Bq78pl116 short circuit Test
Part Number:BQ78PL116Hiiam using 14s32p battery pack. but while performing the short circuit test the various flags are ON mentioned below:EUVCUVPVcell 1 voltage 2000mVcell 2 voltage 2000mV But actual...
View ArticleBQ27742-G1: HDQ mode mass production process?
Part Number:BQ27742-G1Dear TI Expert,My customer is using BQ27742, their plan is doing learning cycle and configration via I2C, and last step to change to HDQ mode and seal. Now they finish above...
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BQ34Z100-G1: BQSTUDIOTEST doesn't work
Part Number:BQ34Z100-G1Goodmorning,I need to properly select the CHEMID in BQ34Z100-G1 I used for my new design. The last revision of TI database contains exactely the cell model I'm using, but the...
View ArticleWEBENCH® Tools/BQ34Z100-G1: NOT ABLE TO READFLASH PARAMETERS , through code...
Part Number:BQ34Z100-G1Tool/software: WEBENCH® Design ToolsHelloI connected the bq34z100-evm to msp430 launchpad, I written the code to read the flash parameters of bq34z100-g1, i able to read flash...
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BQ78350: Discharging is not operatiing normally when I use bq78350+...
Part Number:BQ78350I design my gauge board refering to document tidrqy7.In my design, I dIdn't use the precharge function， and I only use Q1 and Q5 to control discharging and charging.When I...
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