Forum Post: RE: Are there any pin to pin alternate for UCC28600 controller
you need to look at the IC pins with an oscilloscope to see what the controller is "seeing". Is the CS threshold being hit prematurely? is VDD being held up above UVLO? Is FB hitting its threshold?...
View ArticleForum Post: RE: LM25118MH Stability and High Output Ripple
Can I have your private email address?
View ArticleForum Post: LM3409 analog dimming issue
Hello,On the LM3409 we are driving 4 series LEDs and are having difficulty getting the LEDs to dim far enough down using the IADJ pin (using the analog 0-1.24V control). At 0V, we still have about 13mA...
View ArticleForum Post: RE: LM25085 EVAL Board incorrect
Hi Flavio,I am looking into this and will get back to you.
View ArticleForum Post: Setting method of the current limiting resistor at LM5642EVAL-KIT
Please teach us how to setting current limit for LM5642EVM.We want to realize the following specifications with this EVMVin 24V / Vout1 12V / Iout 2.5V (Current Limit 2.995A)When we set a current limit...
View ArticleForum Post: RE: Need help with BQ20z75v181 BQEasy Step5 discharge cycle
Some people find that the bqEasy learning process does not work very well. I recommend using the procedure on page 208 of the bq20z90 Application Book (SLUA404). We also have another document that...
View ArticleForum Post: RE: bq26200
Tanvi,You can scale the stack voltage to use more than on Li-Ion cell with the bq26200 device. We have a document that helps to explain the process. (SLUA300) It is available for download from the TI...
View ArticleForum Post: RE: Reading from BQ2084 Data Flash With Commands 0x51 and 0x52
Aliyev,Command 10 is used to read the Full Charge Capacity. You have to initialize FCC by writing the new data to the data flash. Are you using the bqEVSW? You can change the data using this program....
View ArticleForum Post: Boost Converters
Hi there,I hope this email finds you well. I am working on a prototype medical device, which is battery powered (two AA batteries) and needs to generate an output voltage of 40V. My experience with...
View ArticleForum Post: BQ77910A Undervoltage setting
Hi all,I'm looking for a Bms for my lipo pack. I see that with BQ77910A I can set under and overvoltage.The maximum overvoltage value is 2.9V. Is it possible to set it at 3.4-3.5V or simply to a value...
View ArticleForum Post: RE: BQ77910A Undervoltage setting
Yes, the bq77910A OV threshold can be set for various values between 2.8 and 4.375 V. See page 41 of the datasheet.
View ArticleForum Post: RE: tps53624 shut itself off at high current usage
TPS53624 is in preview and not yet released. Where did you get the samples? I suggest you contact that person directly for support. Alternately, cn you post your schematic and some waveforms that...
View ArticleForum Post: RE: Data for BQ51013AEVM-765(QFN)
Hi Bill,Sorry, couldn't find these files in TI web.http://www.ti.com/tool/bq51013AEVM-765could you give me web link?thanks~Driscoll
View ArticleForum Post: please help me chose the right charging IC
Dear Texas Instruments, I ama student in the process of designing an energy harvesting tracking device for the Wild Life Authority, Sri Lanka and I am stuck at one particular point in my design stage....
View ArticleForum Post: RE: Current Mode Buck Converter Sense Resistor vs. Efficiency
Hi John, Thanks for the extremely detailed explanation. It makes sense that the resistor is sized in a way to avoid exceeding the comparator threshold at high output currents. That answered my...
View ArticleForum Post: RE: BQ24278 CHG LED Odd Behavior
I am connecting a 103AT thermistor between TS and ground. Resistor between DRV and TS is set to 5k6 and resistor between TS and ground is set to 12k.The thermistor is included in the battery pack and...
View ArticleForum Post: TPS5420 "hickups" on final PCB
Hello,I've build a proto type board (breadboard) using the TPS54020 to load a supercap and it works fine.Because of the high current, cycle-by-cycle limiting is occurring andafter a while, temperature...
View ArticleForum Post: RE: TLV70018 Ground Current
Hi Su, Thanks for your reply.Sorry, I did not read the scale carefully at first. It makes sense now that the ground current increases only in uA range. Thanks,CM.
View ArticleForum Post: RE: BQ24650 System power
Dear jeff,If I use this Charging IC with a 5800mAh battery I would have trouble pre charging the battery from the solar. is it possible to disable the timer?
View ArticleForum Post: RE: Using BQ25504 with a 15cm x 6cm solar 3v to charge 5000mAh
could I please have a reply in here?
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