Forum Post: RE: incorrect definition of capacity
SergeyI have been away from the office since I received your senc file, but I will review it when I return to the office on Monday. Changing the sense resistor should not affect the passed change. You...
View ArticleForum Post: BQ24292I I2C INTERFACE
In the BQ24292i the I2C interface shuold be connected to the PULL-UP reference voltage.In the datasheet, the absolute maximum voltage is: MIN = -0.3V / MAX=7VI can connected I2C signals to the VREF...
View ArticleForum Post: EVM2300 Drivers for Windows 8
Hello there,I have installed EVM2300 Software on my computer which is operating with Windows 8.The above SW works with Win SE and XP.How can I download and install EVM2300 Drivers for the operating...
View ArticleForum Post: RE: BQ24070 charge time issue
Hi,We have another question. Anything I should be concerned about if I change the state of MODE (low to high) during charging, besides no longer limiting BQ current to 500mA?Thanks
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Forum Post: RE: BQ24133 Enable
Hey JC, The BQ24133 uses Dynamic Power Management (DPM) where the input current regulator reduces the charging current when the summation of system power and charge power exceeds the maximum input...
View ArticleForum Post: Gas Gauge for LiFePo4 Battery with CAN Bus Communication
Hi community,I'm actually building a 4S LiFePo4 car battery and searing for a gas gauge which can put SoC/SoH on the CAN Bus. Is there already a chip for this application or can I build this with...
View ArticleForum Post: Function Generator Driven Li Battery Charger
Hello, I'm a graduate student (MS-Mfg Engr with BSEE) at OIT working on a thesis project regarding novel approaches to Pulse Charging Lithium-ion batteries. I wanted to find out if TI makes any...
View ArticleForum Post: RE: Maximum Charging current of BQ24650 .
hello , i want to know how to select the mosfet for BQ24650 charging 8Amp? i select mosfet siz728dt for that.But the question is that the mppset is not 1.2v in mpp mode,it can grow up with the input...
View ArticleForum Post: TI alternative to LTC 3588?
Hi,I wanted to know if there is any TI product that can be used for energy harvesting using piezoelectric sensors ? Also is there any TI alternative to the LTC...
View ArticleForum Post: bq24725A doesn't provide charge status
The set of SMBus commands supported by the bq24725A doesn't include anything to enable the host to find out the status of charging, i.e. charging vs. not charging. Am I missing something? If we want...
View ArticleForum Post: LI-ION CHARGER
Looking for fast charger for Li-ion battery will have 2 Li-ion polymer. 300mAh each (total 600mAh). didn’t decide yet if the two batteries will be connected in parallel or serial.the battery will be...
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Forum Post: RE: LI- POLYMER CHARGER
Hi,See below and advise:1) In the BQ12072 there is an option to connect the battery thermistor in order to monitor the temperature. As I use battery with low capacity and the current from Vin...
View ArticleForum Post: RE: EVM2300 Drivers for Windows 8
Raymond,We do not have specific drivers to support Windows 8, but some customers have tried the Windows 7 64-bit drivers and they worked. You could try loading these drivers.RegardsTom
View ArticleForum Post: RE: BQ77PL900: drain all battery power
Did you find the problem? We had a similar thing. We kept a protection circuit (BQ77PL900) connected to 9 Li-ion batteries in shutdown and discovered all the batteries were completely drained after a...
View ArticleForum Post: RE: BQ34Z100 VEN ON with REG 30mA Current . Why increase Current...
JasperMy testing shows that the device requires 75uA to be forced into the VEN pin to be recognized as a high level and turn the LEDs on. That will limit the series resistance to about 33 kohms.Tom
View ArticleForum Post: RE: Maximum Charging current of BQ24650 .
Switching FETs for converters need to be detated so I would recommend using 2 to 3x the current rating of the load and at least 5V more than the maximum input voltage. Note the maximum voltage is what...
View ArticleForum Post: RE: flashstream and dfi
dMax,Is it still possible to get flashstream? I need a copy to create dffs/bqfs files.-Brian
View ArticleForum Post: RE: BQ24070 charge time issue
Hi Ed,I don’t have plots at the moment, but I do log event information in device EEPROM I can post now. I detect the various states of the STAT pins and battery voltage with HH:MM:SS. Therefore I can...
View ArticleForum Post: RE: Bq27200 gauging with solar panel
Hi dMax, Our application is based on solar power harvesting so we need to calculate the charge.We need to measure voltage ,current and temperature also.So to calculate these values can i directly...
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