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...
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TPS23755EVM-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...
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TPS3705: 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?
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TPS2819: 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...
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BQ2970: 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...
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TPS51200: 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）?
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TPS2121: 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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