Forum Post: RE: BQ24075 is not charging the discharge battery
Thanks for your reply!I checked board, the charge current is zero and replaced the input power but it is still not charging the battery. and charge indicator is also off! So there might be other reason...
View ArticleForum Post: RE: bq27510-G3 downgrade to G2 firmware
I would appreciate confirmation of your statement about the using CNTL_FUNCTION with the FW_VERSION subcommand. You stated that the value retrieved be 0x0400 for 510-G3. I am currently reading 0x0123...
View ArticleForum Post: RE: AllinOne: Fuel Gauge, Charging and Protection
Thanks again Thomas. I'll go with the bq76920 Evaluation Module. So it looks like to pull fuel gauge data to my Micro Controller I will only need to communicate with the bq78350 via the SMBus / i2c...
View ArticleForum Post: RE: BQ783xx
The bq76940EVM contains a blank bq78350. The function of the bq76940 may be evaulated as is, but the bq78350 must be programmed when its file is available before it will operate.Yes, the bq78350 will...
View ArticleForum Post: RE: BQ76940 does not respond to I2C
The code was not released with the document. It would seem it could be very useful, I will see if it can be found and released.
View ArticleForum Post: RE: Question on bq769x0 FAQs
The bq769x0 datasheet shows these diodes in figures 8-2 and 8-3 above the IC. In the bq76930 and bq76940 EVMs these are D22, D23 and D24. The bq76930EVM does not use D24. The bq76920EVM does not use...
View ArticleForum Post: RE: Use TI-27621-G1 gauge to update RAM parameter but get FAILURE...
Hello Leo,We also have drivers here for your reference.https://github.com/aneeshv/linux-bq27xxx.git....
View ArticleForum Post: RE: BQ34Z100 Errata
The errata is still applicable and will be fixed in the next firmware release scheduled for early 2015..
View ArticleForum Post: 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 ArticleForum Post: Need help on BQ27540DRZ schematics verification
Hi,One of my customer is doing EPOS design based on TI's reference design in web. They have removed 7.4V battery and added 3.7 battery in the design. Kindly help to review the schematics for BQ27540...
View ArticleForum Post: BQ7718xx
Dear SirIf I would like to use 2 series of 18650 battery in my product and our end-customer can change each of 18650 battery by themselvesBut about protect solution / Voltage Balance / Reverse battery...
View ArticleForum Post: RE: bq24650evm-639 voltage and current at mppt
Please read the bq24650 datasheet and check the related software tools located at http://www.ti.com/product/BQ24650/toolssoftware. Thanks.
View ArticleForum Post: RE: Current VINDC
Ideally, the grounds for the resistors and the capacitor on VREF_SAMP (analog grounds) will be routed away from the grounds of boost power stage input capacitor and output capacitor and storage element...
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Forum Post: UC2909 Charge State Regulation Issue
Hi,While testing, we attempted to lower the batteryvoltage to 9.0V to induce a trickle charge state. The CHGENB fell to2.09V, STAT0 and STAT1 both read 0 (meaning trickle charge mode), but thecurrent...
View ArticleForum Post: RE: serialize bq27541
No, the .gg file doesn't have all of the data that the .dfi file has. The .gg file only holds the gauge's public (user-accessible) flash data, but the .dfi includes private (hidden) data as well. That...
View ArticleForum Post: RE: USB compliant standalone linear Li-Ion charger w/ enumeration...
None of our chargers perform enumeration. The bq24050 is the only linear charger with primary D+/D- detection. The bq24250 switching charger has primary and secondary D+/D- detection. The TPS2544...
View ArticleForum Post: RE: bq78PL114, one led, SOC 100%
We had this behavior with 50 produced batteries. Most of the time the issue was solved by pressing two times on the button. Sometimes it took several retries. After the leds work normally, the wrong...
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Forum Post: 4S1P AA NiMh power bank design
Hello,the block diagram below is for a NiMh battery bank, which is intended to work with standard off the shelf NiMh batteries.FeaturesThe design is intended to have the following featuresPowered by 4...
View ArticleForum Post: RE: Bq34z100 Control and Block commands
Thank you for your reply.I am not using the evaluation board or software provided by TI ; just the integrated circuit, namely bq34z110;
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