Forum Post: RE: BQ24650 6mA discharge current issue
Hello TI,Similarly, I have a problem -6mA.<Board> BQ24650EVM<changing point> MPPT : 9.3V At VFB=2.1V, CAP voltage is 3.75V The other circuits are default.Battery: LiIon-capacitor...
View ArticleForum Post: RE: Hot LM25119 problem
Typo mistakeExact current at no load was reduced from 120mA to 80mA. Should it be even lower at no load?Controller is touchable but still hot!
View ArticleForum Post: RE: Could TPS51100 support DDR3L?
Dear JohnThanks for your reply Currently!! We want to use TPS51100 to replace RT9026 (Richtek) ,It's pin to pin solution ,RT9026 can support DDR3L of VTTQ (page 5 in the datasheet) ,so we want to...
View ArticleForum Post: Running multiple USB-to-GPIO adapter on same Windows-XP machine
Hello,One of a customer is using TI's USB-to-GPIO adapter.He wants to know if he can run 8 of these adapters asynchronously on a single Windows-XP PC.I looked into sllu093 app note, but couldn't locate...
View ArticleForum Post: BQ2060 - Wrong Remaining Capacitance counting while charging but...
Hello all,I'm working with a battery pack 4 cells lithium in series and total capacity 3000mAh.Pack is controlled by BQ2060 IC and the problem I see is the Remaining Capacity estimation while charging...
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Forum Post: LM5050-1 noise issue
Dear Sir,.we found the LM5050-1 noise when resonance at output to MLCC, attachements were the MOSFET ,SCHEMATICS and FORMS, could you advise the solution please ? or the oring will be replace by...
View ArticleForum Post: Maximum current capability of
Hello Need a dc-dc nonisolated converter input 6v to 50voutput 12voutput current 5AUsing w-bench with refrence to earlier post i had started my first design with LM5160 , but failed , then suggested...
View ArticleForum Post: charge pump TPS60210's input and output capacitors.
Hi,In TPS60210's datasheet, it is mentioned "Only ceramic capacitors are recommended for input, output and flying capacitors." I want to kown why?Can I use TPS60210 with tantalum capacitor for input...
View ArticleForum Post: RE: Question about TPS65950's vibrator H-Bridge spec.
Is anyone know the meaning of "output resistance" in TPS65950's vibrator H-bridge output?
View ArticleForum Post: TPS51200 and TPS51100 output capacitors (on VTT pin)
Query regarding output capacitors for TPS51100 (for QDRII VTT) and TPS51200(for DDR3 VTT)1) TPS51100 - 3* 10uF ceramic caps (C1608X5R0J106K) and 2* 0.1uF ceramic (C1005X5R1C104K) are used on the VTT...
View ArticleForum Post: RE: bqEVSW 0.9.88 has no bqEASY button
Hello, Now we have the Version 0.9.90 but the bqEASY button is also not avalable. If a need a new DFI File, what is the action now? I must change the chemestry for a new cell. If e need a hole *.sec...
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Forum Post: LM5104 issues
Hi.I am using the LM5104 to drive an half bridge with an inductive load, whose schematic is attached.The main problem is a strong swinging on the load voltage. I have experienced the same problemby...
View ArticleForum Post: BATTERYU CHARGIN USING SOLAR PNNEL
hai everybodyiam praveen ,now iam workin in mark weighin system ,we are the manufactures nd dealers of weighing machine in kerala and tamil nadu in india OUR NEXT PLAN TO ADD A SOLAR PANNEL TO...
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Forum Post: Lm5088 solar MPPT
Helo,i am trying to build MPPT solar regulator with Lm5088 (input solar panel with Vpp~18V and output is 12V acumulator). I've tested Lm5088 alone, and it worked properly. Next i've modify feedback,...
View ArticleForum Post: UC3825 MAX VOLTAGE VIOLATION
Please see question from customer below.***Begin customer question.I'm using the UC3825 with voltage feedforward, as shown on page 7 of the datasheet, see the figure "Forward Technique for Off-line...
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Forum Post: RE: LM2623 Voltage Ripple
First of all, you are correct. I shot myself in the foot before making these boards. I'm going back to the basics and trying to understand the function of the evaluation board. I measured the voltage...
View ArticleForum Post: RE: Problem with LM3478 in SEPIC configuration in low voltages
Hello Grezyna,I couldn't find any datasheets on the inductor part number you suggested. Anyways, while using the SEPIC topologies with uncoupled inductors the desired condition is that the L2 inductor...
View ArticleForum Post: RE: Noise on input of switching regulator, How does it affect...
Ben,Your input filter should be able to replace the bulk input cap or the Cin cap from the Webench schematic. But I would still suggest having the smaller Cinx right between the input and ground pins...
View ArticleForum Post: RE: Controller Selection
David,I am a little late in replying to this conversation. From your reply above it looks like you were waiting for the spice models on the boost regulators. Have this query been helped outside of E2E...
View ArticleForum Post: RE: suitable dcdc converter to replace the existing LM7805 ckt.
Hello Padmanabhan,I apologize for the delay, but we'll try and get back to you soon.Thanks for your patience.Regards,Akshay
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