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LP2985A: LP2985 is Not Working
Part Number:LP2985AI am using a 3.3V fixed version of the LP2985A IC with +12V at the input. The load is less than 10 mA. However, the regulator produces over 9 V at the output for some reason. Please...
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UCC256304: Troubleshooting Initial Turn-on Failure of New Design
Part Number:UCC256304I'm looking for a bit of help troubleshooting a new UCC256304 dc-dc design that will not keep RVCC on and the converter will not run.VCC comes up, and at the VCCStartSwitching...
View ArticleUCC28251: Packing and schematic library pin confuse
Part Number:UCC28251Hi Ti engineers,I found a very serious problem.Packaging and schematic mismatch.The schematic library pin of PW-20 on the official website is actually QFN-20.The schematic Library...
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TPS54335A: Please help me why TPS54335A is burned.
Part Number:TPS54335AMy customer uses TPS54335A as their DC- DC source for their LCD product.Vin is between 8V- 28V, the designed Vout is 5V, 3A. In fact, their output current is just 800mA. When the...
View ArticleBQ34110EVM-796: BQ34110EVM-796 by the BQSTUDIO write the bq34110 dataflash fail
Part Number:BQ34110EVM-796Hi ALL: just now I find out a problem that the BQ34110-EVM796 can't write the bq34110 dataflash correctly.I write the BQ34110 the Number of the Series cell dataflash,the...
View ArticleTPS82085: plating information: What is the gold thickness
Part Number:TPS82085Hello team,My customer is looking for plating information for TPS82085SILT.What is the gold thickness?Thanks in advanceBRShai
View ArticleLMR23630-Q1: Bypass capacitors at the load
Part Number:LMR23630-Q1Hello TI,We are using the LMR23630-Q1 to step down 12V to 3,8 for a GSM/LTE modem. The WeBench design recommends a 200 uF cap with ESR less than 30 mOhms at the output pin of the...
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BQ78350-R1: The fuel gauge is obviously inaccurate during inductive...
Part Number:BQ78350-R1Dear team,The BQ78350-R1 + bq76930 manages 9 polymer lithium batteries, and the 9-cell lithium batteries are connected in series. The reference design is basically the bq76930 and...
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BQ76PL455A-Q1: Why is the programming serial number in the BQ76PL455ATPFCRQ1...
Part Number:BQ76PL455A-Q1Dear team,Why is the programming serial number in the BQ76PL455ATPFCRQ1 chip unified to 0?In general, it should have a numerical order, right?What is the reason for this?
View ArticleBQ24616: BQ24616 charging problem
Part Number:BQ24616Dear team,The current debugging from 1cell-5cell is normal, and the charging current is in line with the design requirements, but when the battery is adjusted to 6cell, as long as a...
View ArticleBQ76PL455A: BQ76PL455 acquisition problem
Part Number:BQ76PL455ADear team,During the road test, there was an abnormality in the 455 acquisition. The performance was normal, the communication was normal, all the voltages of the cells were 0,...
View ArticleTPS54335A: synchronizing to an external clock
Part Number:TPS54335AHello,Can the TPS54335/6 be synchronized to an external clock?Thank you
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CCS/UCD3138: UCD3138 No Devices Found!
Part Number:UCD3138Tool/software: Code Composer StudioHi, I have been using the UCD3xxx Device GUI all the time, but I have changed a new computer now, Windows10. Then when I open this software and the...
View ArticleI need Positive and negative from a 5V input
HiI have built some kits with LM5160 with Fly-Buck-Boost topology but I'm not satisfied with the performance.the drop-out voltage is around 2~3V for only 400mA. but the IC is very robust against some...
View ArticleLM25117: Unable to get more than 7.8A before shutdown.
Part Number:LM25117I am trying to get at least 12V/12A out of the LM25117 device, but, whatever I try I reach 7.8A and then the device shuts down!!!This is using a 6.8uH inductor.and I have tried 12uH...
View ArticleBQ40Z50: How to upgrade the firmware of BQ40Z50 from MCU by I2C interface ?
Part Number:BQ40Z50Dear all I want to upgrade the firmware of BQ40Z50 which had placed on the board, the I2C interface signal had only connect to MCU,below is my questions: 1. How to...
View ArticleBQ24133: VQFN to SMD
Part Number:BQ24133Hello,I have just decided to use these components(BQ24133) in my design. But I have realized that they are so small and impossible to work on it and connect things to its legs. I...
View ArticleTLV1117LV: Please verifiy the IC markings
Part Number:TLV1117LVCan you please verify the regulator package markings? packaging said TLV1117LV12DCYRWe purchased these but the IC is marked as follows;SI35ZHC4H
View ArticleTPS54240: Vref Accuracy
Part Number:TPS54240HiMay i know the Vref accuracy (%) of this device @25C and 125C?I can't find it in the ds. Need quick answer.ThanksRgdsKelvin
View ArticleLMG3410R070: High side transistors of a full bridge indicating over current...
Part Number:LMG3410R070We recognised an interesting fault occurrence while testing a full bridge converter with the LMG3410 under no-load condition. The trip point of the fault indicated by the FAULT...
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