Forum Post: BQ24070 Application Note
I have a few questions regarding the application note on the datasheet for BQ24070I set 1 line there is a formula for figuring out the K set?what is the parameter of the K set? I out = K set xV set/R...
View ArticleForum Post: RE: bq34z110 update status
George,I looks like you did not wait long enough between the charge and discharge cycles for the DOD point to update. The good news is that the Ra table did update, but the process would not complete...
View ArticleForum Post: RE: BQ25504 - Transient voltage durring open-circuit voltage (MPPT)
rectifying:RUV2 = 4,99M and RUV1 = 4,53M (VBAT_UV = 2,62V)
View ArticleForum Post: RE: BQ24031 - TS=OFF with no-load
Jeff San,Thank you for your updata!We will make your opinion a reference for the future.Kind regards,Hirotaka Matsumoto
View ArticleForum Post: RE: BQ24251 question
Hi,We still have the situation. But I understand it is due to the AnyBoot battery detection algorithm – page 27 of datasheet, which sets in when no battery is detected. Is there any way of disabling...
View ArticleForum Post: RE: BQ24070 Application Note
The total current = OUT current + BAT current is 2A.The BAT current maximum is 1.5A. the Kset value is the second characteristic on page 5.
View ArticleForum Post: RE: bq40z50 - Application book
Kjell,I asked about guides similar to ones they have like "Going to Production" and "Configuring Data Flash" and was told that they are working on the former (release schedule unknown), but are not...
View ArticleForum Post: RE: BQ24251 question
You can disable battery detection by either:1. disabling battery charge termination2. enabling PTM mode (which also disables input current limit feature)
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Forum Post: RE: BQ24192 charger IC for Li-Polymer- circuit design issue?
Hello Naveen,1 & 2. The BQ24196 has its default battery regulation voltage set to 4.208V so it is possible to have your desired battery regulation voltage with out adjusting any of the I2C...
View ArticleForum Post: RE: BQ76940 does not respond to I2C
This post seems to have been overlooked.It seems you have checked the obvious things. Some additional items:Be sure the REGSRC is supplied according to the datasheet range.Be sure BAT, VC10X and VC5X...
View ArticleForum Post: RE: CHARGING SUPER CAPACITOR
Hello Ran,The key feature that you need to look for in the power converter that you will be using the charge the super cap is soft start as this will manage the inrush current. Once the start-up is...
View ArticleForum Post: RE: USB charger: Recommended handling of unused data lines
Hello Aleksander,What device are you using?There are a few posts in this forum that discuss what to do with the USB data lines for various devices such as the...
View ArticleForum Post: RE: RC net in the charger BQ24735
Yes. On the page 9, the BATDRV turn-on current capability is around 60uA; the BATDRV turn-off resistance is 6.2 kohm typical (7.4kohm maximum). We don't have spice model for this device.Also, we...
View ArticleForum Post: RE: bq24195evm
Hello David,Yes, see the link to the EVM page below.http://www.ti.com/tool/bq2419xevm
View ArticleForum Post: RE: bq25504 + RF
Hello Assaf,The BQ25504 is capable of handling the load of the CC110L since it is typically under 40mA and the voltage range complies with the BQ25504.Whether the solution can work consistently is...
View ArticleForum Post: RE: Function Generator Driven Li Battery Charger
Hello Frank,The extent of the host controllable features that seem immediately relevant to your question are the battery regulation voltage, fast charge current, and the charge enable/disable.The...
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Forum Post: RE: BQ24192: How to design SYS Voltage level?
Hello Deebak,The value of Vsys is not an explicitly configurable value. The best explanation of what the voltage will be on the SYS pin is contained in Fig. 26 on Pg. 24 of the datasheet. Unless the...
View ArticleForum Post: RE: Stacking single cell chargers
Hello Edward,No, these chargers can not be stacked. They are inherently buck regulators and will need a consistent ground between the input source the battery cathode (negative terminal).Most of TI's...
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Forum Post: RE: Dynamic regulation of charge current via ISET pin
Hello Dave,There is a feature on the BQ24095 that performs much this very same thing. The Dynamic Power Management (DPM) feature looks at the input voltage to the charger and in the event that the...
View ArticleForum Post: RE: BQ2000 resistor divider issue for single AA battery
Hi RyanThis is a single AA NiMH battery... so its Mcv is only 1.2v. Would this still cause a terminating issue ?RegardsSoumitra
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