LP8860-Q1: About the case when I can not write at the time of shipment by...
Part Number:LP8860-Q1Hi All,When is it recommended to rewrite NVM (60h-78h) after applying power ?Also, only 00h-1Ah is reset after a power on reset or VDDIO / EN cycle, and the rewritten NVM is not...
View ArticleTPS23755EVM-894: TPS23755 converter started point
Part Number:TPS23755EVM-894Dear Sir I found some questions when testing the TPS23755 EVM.The converter should not start when the VPD voltage is below 35.5V.below waveform shows that the converter is...
View ArticleTPS61169: TPS61169 Longevity & MTBF
Part Number:TPS61169Hi,Please share the MTBF details and EOL date for this chip. Because our application require 3 years longevity.
View ArticleBQ27510-G3: Compatible battery parameters
Part Number:BQ27510-G3Information about compatible battery in datasheet and in this table is little bit different.1) In datasheet there are no information about minimal battery capacity, but in the...
View ArticleBQ27520-G4: GPCRA0
Part Number:BQ27520-G4Hi Expert,After done the GPCRA0, I can get the GPC_report.txt. It shows "Ra values could not be updated in a GG file due to format issue. Please update manually".Should I key in...
View ArticleTPS3705: Can PFI leave float?
Part Number:TPS3705Hi team,Customer use TPS3705 as watchdog, below is the schematic. What should PFI and PFO be treated if I did not use it?Can I leave them float?
View ArticleTPS2819: Simulation error
Part Number:TPS2819Hello,Hope you are doing well!I tried to simulate the mosfet driver TPS2819 using NOR gate(SN74HC27D) but found that TPS2819 is not giving desired output.Please verify below...
View ArticleEM1402EVM: EM1402EVM Active Balancing circuit working
Part Number:EM1402EVMHi, I am working with EM1402EVM(rev B)board. Active balancing circuit is working with EM1499Q DC DC converter and EM1428Q ICs. On EM1402EVM we are using 12V supply with EM1499Q....
View ArticleBQ40Z50-R2: Problem with generated GPC Maker report for learning cycle large...
Part Number:BQ40Z50-R2Hi,I have tried for 2weeks to preform a successful learning cycle with BQ40z50-R2 with a quite large battery (4S54P, 156Ah) without any luck. Now it starting to get rather urgent...
View ArticleBQ25882: Current cannot reach 2A problem
Part Number:BQ25882Hello:The product I designed USES TI BQ25882 and 8.7V lithium battery.When the project is stopped for charging, the VBUS input is 5V/ 1.7A and the output current is 0.9A.The current...
View ArticleBQ2970: How to add enable pin? Restart after short circuit?
Part Number:BQ2970Hi!1. I need to add a function of enable and disable of BQ2970 by external signal. If BQ2970 is disabled then output voltage has to be 0V. If BQ2970 is enabled then it works in normal...
View ArticleTPS51200: TPS51200 INPUT Capacitor
Part Number:TPS51200Hi Qian,Regarding TPS51200, our datasheet specifies that INPUT capacitance of TPS51200 VINLDO must be larger than 1/2 OUTPUT capacitance. My customer wants to use 10uF+2.2uF...
View ArticleTPS54319: low-side MOSFET failure
Part Number:TPS54319Hi,we have the same issue as David Boyle1 ("TPS54319 failures"): a conducting path between PH (pins 10, 11,12) and GND (pins 3, 4). We have it on 2 out of 5 prototype boards (yet)....
View ArticleCCS/UCD3138: if it is possible to add the ZCS protection function when using...
Part Number:UCD3138Tool/software: Code Composer Studioif it is possible to add the ZCS protection function when using UCD3138X for LLC topology?
View ArticleLM1084: Date/Lot Code Format
Part Number:LM1084Hi Team,My customer is trying to understand the date and lot codes on their LM1084IT-ADJ. They have parts with marking 7CAX2XU63 and 89AXVEUG3, for example. I assume the dates are...
View ArticleTPS2373: Accurate current control in PMP20878
Part Number:TPS2373Hi,My customer needs to know for PMP20878 how the feed-forward regulation can be tuned optimally in order to ensure that 1.0A is both requested and approved by PSE, but not...
View ArticleUCC27211A-Q1: How to calculate boot cap value?
Part Number:UCC27211A-Q1Hi team,How to calculate the required boot cap value? In datasheet, we recommend to use cap from 0.022uF to 0.1uF, but how to calculate in a given application? Can boot cap >...
View ArticleTPS92692: TPS92692 reference circuit
Part Number:TPS92692Dear Sir/Ms.Refer datasheet 9.2.1.What is the difference between using VBAT2 and VBAT1 input?As described on the reference circuit, is the Full Bright when the power supply is...
View ArticleBQ24092: Can the fourth(PRETERM )foot of BQ24092 be empty( NC)?
Part Number:BQ24092Can the fourth(PRETERM )foot of BQ24092 be empty( NC)?
View ArticleTPS2121: Voltage drop during switch
Part Number:TPS2121In the project, there is a probability of power failure in power switching using TPS2121, especially when the main input voltage is low. Normal mode and fast switch mode are all...
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