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UCC256304: UCC25630x resonant capacitor
Part Number:UCC256304Hi, We find in our UCC25630-1EVM, there is a C7 across MOS Q1, what's the purpose of this capacitor? since we don't see this capacitor in our competitor's solution, this would...
View ArticleTPS2660: Power MUXing
Part Number:TPS2660Hi,What is the difference between a Power Muxing with multiple protection mode (TPS25942,TPS26600) circuit and an integrated ORing and Hot-Swap controller (TPS2474x) in terms of...
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BQ25606: Questions and suggestions
Part Number:BQ25606Hi,We are developing a kind of power bank solution in order to power up our systems.We are thinking in a high level architecture like the one shown in the following picture:The "pogo...
View ArticleBQ40Z50-R2: Need OrCAD .dsn files of schematic of application circuit
Part Number:BQ40Z50-R2Hello,I require the OrCAD design files of BQ40Z50-R2 application circuit.Thanks,Ameya.
View ArticleBQ27426: LDO with REGIN
Part Number:BQ27426 Hi,two things:First, a customer is looking for a successor of the BQ27410. It is for a system design. It should have an LDO with REGIN pin. This allows the customer to power the...
View ArticleTPS57160-Q1: Layout - Inductor SW Node Shielding on top Layer
Part Number:TPS57160-Q1Hi Team,For better EMI performance, Is it better to have GND pouring below the switching inductor(on Top Layer) or We need to keep void below inductor ?There is confusion...
View ArticleTPS65145: The open-short test data of TPS65145
Part Number:TPS65145HiMy customer request the open-shot test result of TPS65145.Are there those data?Best regards,Yokota
View ArticleLM2662: 5V to 10V
Part Number:LM2662Hi!My circuit is according to p.16 of the LM2662 datasheet (voltage doubler), but works as a simple diode, though the oscillator works well.i tried to exchange the IC and switched the...
View ArticleUCD9090: i2c/PMBus programming
Part Number:UCD9090YiheYou helped me when i had trouble with initialization this device. Thank you so much. May i get one other question?The device id is read . Flash is read. But i had difficulties...
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TPS51206: About VTTREF pin
Part Number:TPS51206Hi Team, Our customer would like to know about VTTREF pin. -------[Q1]“The VTTREF pin can not be open." is added to a datasheet Rev.D.However, There is no mention of same comment in...
View ArticleBQ76930: Behavior of Alert pin
Part Number:BQ76930Hi,We are developing a BMS for Lithium-ion batteries (6 batteries) using bq76930.I want to know about Alert pin behavior,My understating is if any fault occurs the bq76930 set the...
View ArticleLM5141-Q1: Maximum output current capability
Part Number:LM5141-Q1HiWhy is the WEBENCH tool limiting the current to 10A.I need to design a supply with Vin = 6...32VVou= 5V Iout = 14AGuess it ist related to the power losses of the 5141er. Is there...
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Linux/TPS23861: TPS23861PW Access Linux Commands
Part Number:TPS23861Tool/software: LinuxHi Team,I have connected TPS23861PW IC with Ts4900 Linux board with i2c interface. and download driver from below link.i have cross compile it and load on our...
View ArticleTPS22965: how to select appropriate device to match my requirements with 4.4uF
Part Number:TPS22965Dear all,Could you teach your recommend device to match conditions below?>ConditionInput: 1.6V~5.5VIout: more than 1AOutput capacitance: 4.4uFTurn-On Rise Time（Rise 10％⇒90％）： MIN...
View ArticleBQ24630: Lower Rsr than 10mR ?
Part Number:BQ24630I have build a system with the 10mR and everything is working as expected.However, we are charging at 10A and therefore P=I^2 x R = 10^2 x 0,01 = 1W of power loss in the sense...
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UCC24612: issue detecting and blanking
Part Number:UCC24612Hi Sir Prefact: we are developing LLC resonant converter , 24Vdc and 40A , Rectifier FET are FDBL86361-F085We are facing a problem using the device as specified (-2) , as you see on...
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BQ24095: Charging IC not give constant output voltage
Part Number:BQ24095Hello Sir/Madam,Nice to E-meet with you,One of my battery charging application i use bq24095 charging IC for charge battery as per bellow specification:Battery: single Lithium-ion...
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LMZ34202: lmz34202
Part Number:LMZ34202HelloIn the datasheet it is specified that AGND and PGND must be seperated. We understood that agnd doesn’t need to be connected to another ground because of the internal connection...
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LM5060: Review the Schematic
Part Number:LM5060Please help to review the schematic.VIN IS 12V,the current is 60A.thanks a lot.
View Article3.3V --> 5V 300 mA Automotive Boost with Clock Sync
Hello,I'm looking for a 3.3V to 5 V 300 mA automotive boost with clock sync. My initial search pulled up TPS61175-Q1 as the closest match, though the 3A and wide-Vin are a bit overkill for the...
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