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LM1117: ESR of Cout
Part Number: LM1117Hello,The ESR of the output capacitor should range between 0.3 Ω to 22 Ω.Capacitor datasheet shows that ESR depends on frequency, so the minimum demand on ESR should base on which...
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BQ76PL455A-Q1: Connection of unsed cells
Part Number: BQ76PL455A-Q1Hello,In an application where bq76PL455A-Q1 is used as battery cell voltage monitor is required to change the number of cell by the end user.So, it is possible to short the...
View ArticleBQ34Z100-G1: Losing I2C communication after golden image .srec file is...
Part Number: BQ34Z100-G1Hi All,I am having problems when I create a golden image after my learning cycle is complete, when I program a new device I instantly lose I2C comms with the device.My setup...
View ArticleTL431: TL431 Vref values on extreme temps
Part Number: TL431Hi,With regards to TL431BI data sheet only provided Ta(ambient temp) 25c spec for Reference Voltage 2.483v ~ 2.507v. May I know if the range of the Reference voltage at temp -30C and...
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TPS65381A-Q1: Temperature characteristics of LBIST time
Part Number: TPS65381A-Q1Hi,The data sheet describes the following:Could you tell me the variation data of LBIST execution time and room temperature variation data?Customers want to know how much this...
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TPS65381A-Q1: About System clock frequency
Part Number: TPS65381A-Q1Hi,The data sheet describes the following:This accuracy is 5%.Is this accuracy guaranteed within the guaranteed operating temperature(-40℃ to 150℃)?If not, please provide...
View ArticleBQ40Z80: Get voltages for cells 1, 2, 3
Part Number: BQ40Z80Hello.As mentioned in TRM for BQ40Z80, I can get voltages from cells 4...7 through read-word functions 0x3F CellVoltage4(), ... , 0x3C CellVoltage7(). But I don't understand, how...
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BQ40Z50-R2: BQ40Z50-R2: CHG, DSG FET drive capability
Part Number: BQ40Z50-R2Hi, I use the bq40z50-r2 for 4S-1P LTO BMS,the voltage range：6--10.8V，max current 60A. The CHG and DSG mosfet i used with 4 MOSFETS in parallel. To improve the switching...
View ArticleTPS27S100: Applicable DC current range for safety operation
Part Number: TPS27S100Hi Team,Could you tell me applicable current range for safety operation of TPS27S100?How large DC current can TPS27S100 deal with? Up to 7A(min Internal current limit) in not used...
View ArticleTPS650864: Buck 6 usage
Part Number: TPS650864Hi i will be mostly using TPS650864 in my design:in the application diagram, Buck6 is typically used to power DDR and VTT LDO for DDR reference.In my application, sine i use just...
View ArticleP2P LDO recommendation of SPX1117
Hi teamMy customer is using SPX1117M3-L-2.5/TR, SPX1117M3-L-3.3, SPX1117M3-L-5.0/TR.Is there any competitive recommendation of LDO that can replace it?Thank you!
View ArticleULN2003A: Minimum conduction voltage range
Part Number: ULN2003AHi team,My client uses MCU to control one of the inputs of ULN2003A. When the MCU is powered on, a pulse with amplitude range of 0.6 ~ 0.9V and duration of 600ms will appear in the...
View ArticleTPS54160: Load regulation and line regulation
Part Number: TPS54160Hi,What is the cause of load regulation and line regulation? I can see a slightly Vout drop, for example, set Vout 3.3V, but test Vout 3.28V. Firstly i thought it is the probe...
View ArticleTPS2561: Example schematic with USB connector and DFP controller
Part Number: TPS2561Team,One of my customer's application needs following:USB Type-C DFP controller supporting USB 2.0Two portsCurrent limit of 700mA on each portDo we have any example schematic for...
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PMLKBUCKEVM: Vsw wavefrom issue
Part Number: PMLKBUCKEVMHi,Currently i'm doing the experiment 1 test 1, Vin 24V, Vout 3.3V, Iout change from 0.1A to 1.5A.i find when the Iout is lower than 0.7A, the Vsw will show some weird waveform....
View ArticleTPS54202: TPS4202 - Zener on EN line?
Part Number: TPS54202We have some prototype boards that have a TPS54202 power supply on them. The TPS4202 doesn't work on one of the boards and I'm still looking into the reason why. So far, the only...
View Article2KW Isolated DC-DC converter design With GAN
Dear TI Experts,Anybody can suggest a GAN based reference design from TI which matches or closely matches the Below specificationInput voltage: 400VDCOutput voltage: 35V to 60VOutput Power:...
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LM5116-12EVAL: LM5116 Change EVAL Board to Input: 40-64V - Output:34V/12A
Part Number: LM5116-12EVALHello,I got a LM5116-12VEVAL/NOPB Board (see attachments) for testing. I used the Webench Tool to create a circuit for my application: Input: 40-64V - Output: 34V/12A (see...
View ArticleTPS2376: Using HY931147C with TPS2376
Part Number: TPS2376I want to use this connector with embedded bridge rectifier & magnetics with...
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LP5009: LP50xx Driving external mosfets in 12bit PWM resolution
Part Number: LP5009I am willing to use LP5009 as I2C programmable PWM controller with these key parameters:1) Open drain 2Amp outputs, is the proposed schematic valid?2) 3-phase channels to reduce...
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