TPS61093: Help to check if customer could remove the R3/C5 which connected to...
Part Number:TPS61093My customer would like to check if they could remove the R3/C5 which connected to SS pin for soft start control if there is no specific SS time requirement in their design? They...
View ArticleTL494: SMPS Design using TL494 and UC3842
Part Number:TL494Hello,I want to design SMPS using TI's UC3842 for 12V,10A(Isolated Flyback) also 24V,10A SMPS using TL494(half bridge).I also tried using Webench but could not find UC3842 and TL494...
View ArticleUCC28780: cross regulation
Part Number:UCC28780Hi all,Does UCC28070 active clamp flyback keep the high cross regulation with multiple output channels?Is there a way to get as good cross regulation as LLC?
View ArticleLM3466: LM3466 COMM Output
Part Number:LM3466Hi Team,my customer wants to daisy-chain the LM3466. Is it mandatory that LM3466 COMM output needs to be connected with other LM3466 devices? For their specific use-case that would be...
View ArticleLP8863-Q1: About output voltage and setting
Part Number:LP8863-Q1Hello.I am considering LP8863.I have a question.Please see the attached document for details.Thank you.(Please visit the site to view this file)
View ArticleTPS24750: What is fast-trip shutdown threshold range?
Part Number:TPS24750Hi Expert,Datasheet only describe fast-trip threshold is 60mV.Could you provide its range? max~min value?Thanks.
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BQ77915: PACK- vs Local GND Connections
Part Number:BQ77915Hello,1. Image 1 is from the BQ77915 datasheet. Are the blue circled "ground symbols" actually local grounds that are basically BAT- ? 2. Is PACK- just the overall ground? Please...
View ArticleBQ24650: Need to Charge a Single Cell Li+ Battery
Part Number:BQ24650Hi,I was following shortcuts indeed, As i was trying multiple modules for a better power management IC, I'm trying this BQ24650 MPPT charger IC, I need the Resistor Values that are...
View ArticleUCC3817A: Do you have any recommend value of Gid and Gea?
Part Number:UCC3817A Hello guys, One of my customers is trying to design a PFC using UCC3817A for their next products. They are using 6330.UCC3817 Design Procedure.pdf for external parts calculation....
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UCD3138A: What's the status of AD pins during V33D rising up?
Part Number:UCD3138AHelloI would like to know the status of AD pins during V33D rising up. Here are some strange waveform I have get during I tested all signals of my board. Can you explain that?BR Dana
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UCD3138A: Why some I/O pin will rise up a little bit(less than 1V) during...
Part Number:UCD3138AHelloWhy some I/O pin will rise up a little bit(less than 1V) during V33D rising up? Here is the waveform I got. Channel 1(Yellow) is SCI_RX0 pin, Channel 2(Green) is V33D.
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UCD3138HSFBEVM-029: The UCD3138-based full-bridge hard-switching power supply...
Part Number:UCD3138HSFBEVM-029HelloI made a hard-switched full-bridge power supply based on the UCD3138 development board.When the power is turned on, the secondary synchronous rectification is added,...
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BQ78350-R1： Battery Management Studio Program selected chemistry
Part Number:BQ78350-R1
View ArticleBQ21040: Safety documents
Part Number:BQ21040For the BQ21040 i need documents about the safety, UL, certification etc. of this part. I must gave it to a approval authority, the datasheet is not enough.Thank you.
View ArticleTPS63020: TPS63020 feedback R2 other values than "in the range 200k"?
Part Number:TPS63020Hi, in TPS63020 datasheet 8.2.3 it says that the feedback resistor R2 (between FB and GND) should be in the range of 200k. I wonder why it must be "in the range" and not "less than"...
View ArticleTPS560200: switching frequency
Part Number:TPS560200Hello.I have a question about TPS560200.We have items to inspect the switching frequency in the shipping inspection of the product.There is no specification of switching frequency...
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TPS92692: Specification of PWM pin
Part Number:TPS92692Hi Tuan,I went through the below TIe2e thread as it is matching my query.As it is mentioned that by using 249K Ohm the external PWM voltage threshold will be set to 2.49V.In our...
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LMZ31710: Slave's PWRGD in Parallel mode
Part Number:LMZ31710Hi, team.When using LMZ31710 in parallel, SLAVE's SENSE pin is open, but does Slave's PWRGD function?
View ArticleLMR14030: Drop out mode
Part Number:LMR14030Hi,Customer is finding DCDC with input 12 to 24V and output 12V, current 0.5A.Can LMR14030 support drop out mode when input voltage is below 12V?If not, I would like to recommend...
View ArticleLMR36015-Q1: No Load @ FPWM
Part Number:LMR36015-Q1Dear Team,our customer is interested in using the LMR36015FSCQRNX-Q1 (Spread Spectrum, FPWM, 2.1MHz) in a design for 12Vin -> 5Vout. First measurements with the EVM showed...
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