TPS61081: Vout would be go high to 8V in no load condition
Part Number:TPS61081Hi expert,My customer found out TPS61081 Vout go high to 8V in no load condition and we can fix it by placing 10kohm for dummy load. Application is 3.3V~4.2V -> 5V. We would like...
View ArticleUCC29002: Document Required : for Isolated DC DC Converter Low side Sensing...
Part Number:UCC29002Dear Sir,Could you please share the reference documents for the Load share controller with the current sense resistor on GND/return path.Also reference document for using this IC in...
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LM5025: LM5025A: start up several times before it becomes stable
Part Number:LM5025Hi experts,I have a question about LM5025. Vin slow up waveform.It's similar to Howard Zou question ( LM5025A: start up several times before it becomes stable )May i know how to deal...
View ArticleLinux/BQ27210: current battery power
Part Number:BQ27210Tool/software: LinuxWe mounted the bq27210 chip to the imx6 platform via I2C. But using the driver provided on the official website, I did not find information on the current battery...
View ArticleLM5180EVM-S05: Vout 15V, Change is Transformer
Part Number:LM5180EVM-S05Dear TI,I'm testing the LM5180 EVM board only by changing the transformer.Please refer to the attached Transformer specifications.The problem is that the output is changing...
View ArticleTPS720: # QA78A60 - Efficiency of P/N: TPS72025QDRVRQ1 - regulation of...
Part Number:TPS720Hello,can you please advise the efficiency level of the voltage regulator P/N: TPS72025QDRVRQ1 and if/how the output voltage can be regulated?Or would there be another high efficiency...
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TPS65218D0: What is the difference between tps65218 and tps65218d0
Part Number:TPS65218D0Hi, everyone:I found there is a notice about tps65218:What is the difference between tps65218 and tps65218d0 ?
View ArticleSM72445: Input capacitance calculation for SM72445 / AN-2124
Part Number:SM72445Hi TI-Team,I'm working on a design with SM72445 and I found your document AN-2124 Power Circuit design for the buck boost topology. I checked the calculations and I think I found a...
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LM5041EVAL: additional Feedback components
Part Number:LM5041EVALDear Sir,LM5041EVAL board is having a feedback circuit with some more additional components compared to the basic feedback circuits. I am having following doubts regarding...
View ArticleLP5912: LP5912-1.5 voltage drop
Part Number:LP5912Hi Sir,We use LP5912-Q1 EVM and change the chip to LP5912-1.5 sample, below is our test results.LDOVinLoading rise75mA150mA300mA250mA_400mALP5912-1.51.8V0.5us0.33V0.43V0.485V0.09VDo...
View ArticleLM5180-Q1: Can I support the spec?
Part Number:LM5180-Q1Dear TI,I plan to design with the following three solutions.1. Input : 7V to 24V / Single Output : 15V,0.3A2. Input : 7V to 24V / Dual Output : 15V,0.15A, 15V, 0.15A3. Input : 7V...
View ArticleBQ76PL455EVM: stacking the bq76pl455 EVMs together
Part Number:BQ76PL455EVMHi,I am working on bq76pl455 EVM. From the user's guide SLUUBA7A of the GUI, it is given we can stack up to 6 EVMs. In my application, I have 20 modules each with 14 cells. My...
View ArticleBQ34Z100: Inquire Battery Chemistry ID
Part Number:BQ34Z100Hi Sir,May I learn from you that do we have IFPE202 Battery Chemistry ID? please refer below attachment for Battery spec.(Please visit the site to view this file)Thank you.Edward Chen
View ArticleHighest efficiency possible with non-custom transformers for POE isolated...
Hi.I need to design a POE PD classification + isolated power converter stage for a load which is around 12 W at 5V.As this is high load for class 0 POE , I really need high efficiency. I don't want...
View ArticleBQ34Z110: BQ34z110 jump change SOC value during low consumption
Part Number:BQ34Z110Hello,we are using BQ34z110 for a few years. Now our costumers announced problem with BQ34Z110 in ours device. If they turned off device with full charge Pb battery, when they turn...
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TPS1H100-Q1: Rgnd and Dgnd in datasheet, what are they?
Part Number:TPS1H100-Q1Hi Not sure i understood the Rgnd and Dgnd in datasheet, what are they? thanks!
View ArticleTPS65581: Vin vs Vout
Part Number:TPS65581Dear Sir/Madame,I have a question about the TPS65581. I noticed that the device has a wide input voltage range (4.5 - 18V) and a output voltage range of 0.76 - 7V. The output...
View ArticleBQ51051B: BQ51051B Rx coils selection guideline & FOD settings
Part Number:BQ51051BHi,i'm planning to enable Qi V1.2 compliant wireless charging feature onto my customer's end equipment & there are some questions which i need advice on.1. Is BQ51051B still an...
View ArticleSuitable Boost controller
Hello,Could you suggest me the most cost effective boost controller which can support following condition?Vin : 2.8V - 4.2VVout : 5V - 10VIout : 3ABest regards,Tetsuro
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LM25122-Q1: How do we implement the BY-PASS function
Part Number:LM25122-Q1Dear TI engineer, My customer is meeting issue when using the by-pass operation, their condition is as below, Vout =12V, VIN= 13V, UVLO = 4.5V, according to below...
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