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LM5020: LM5020 OVP issue
Part Number: LM5020My customer has an OVP problem, every test will change, please help check the circuit as follows
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TPS65250: about pump and dump calculated
Part Number: TPS65250Hi Sir,do you have any about pump and dump calculated tool? because the datasheet dose not into detail.i have some question;I would like to know how to calculate the CSTRG for...
View ArticleBQ27421-G1: Code compatibility with BQ27441-G1A
Part Number: BQ27421-G1Hi all,I have implemented my design with the BQ27441-G1A but would like to change this to the BQ27421-G1 as it is a smaller part and has the integrated sense resistor. I was...
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LMR14010A: Input protection/filtering of SMPS
Part Number: LMR14010AI am trying to insert a circuit before the input of a SMPS circuit for following purposes1) over-voltage and over current protection2) EMC filter3) resonance prevention On above...
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WEBENCH® Tools/BQ25895: BQ25895RTWR
Part Number: BQ25895Tool/software: WEBENCH® Design ToolsHello,Do I need to place ESD protection circuit on pin1(VBUS) of "BQ25895RTWR". We have connected Barrel connector of 12V, 1.5A.
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LM136-2.5-N: LM136AH-2.5
Part Number: LM136-2.5-NHello,I'd like to know input voltage range of LM136-2.5N.Is it only necessary to satisfy the operating current(400uA to 10mA) using a serial resistor regardless of the input...
View ArticleLM341: Thermal test condition for LM341(TO-220)
Part Number: LM341Hi Team,Customer is considering using LM341(TO-220) and the thermal JA resistance is 22.6, which is much better than competitor. So they want to know the test condition to get this...
View ArticleTPS53624: tps53624 junction temperature
Part Number: TPS53624Dear team,My customer are curious about the working temperature of TPS53624 when using it. From datasheet, Ta seems between -10 ~ 105 degree C, but Tj is between -40~-105 degree C....
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LM3481: LM3481 SPEIC circuit review
Part Number: LM3481Hi team,my customer use LM3481 design SPEIC circuit as below, could you help to review it:Any comments please let me know, thanks very much.Regards, Sunny
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BQ78350-R1: My 12S1P 32000mAh lipo battery work with BQ78350-R1 + BQ76940...
Part Number: BQ78350-R1LIke the title says:My 12S1P 32000mAh lipo battery work with BQ78350-R1 + BQ76940 power ICs, everything works well except the cycle count somtimes jumped to 5911 which actually...
View ArticleBQ40Z50-R1: from shutdown mode to normal operation mode
Part Number: BQ40Z50-R1Hi Team,For BQ40Z50-R1, what is the detailed steps that should be taken for the configuration from shutdown mode to normal operation mode? Thank you.Regards,Hongjia
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BQ28Z610: BQ28Z610
Part Number: BQ28Z610Hi, I am using bq28z610 evm. Through GUI( Graphical User Interface ) , I am trying to make the changes through the GUI window given below by following the order given below. But I...
View ArticleLM2831: LM2831YMFX/NOPB, Tolerance of tape width and component pitch
Part Number: LM2831Hi team,Could you let me know the tolerance of tape width and component pitch of LM2831YMFX/NOPB?We can see the tape specification on P.28 of data-sheet, however we can't see the...
View ArticleTI alternative for NJM78
Hi team,Could you let me know TI alternative for NJM78....?Customer is using NJM78.., I'd like to replace that.We hope you understand, I haven't know the exact competitor part number.The ideal LDO spec...
View ArticleTPS610986: Maximum output capacitance
Part Number: TPS610986Hi,Is the 22uF maximum recommended output capacitance mainly due to start up issues, or is it likely that >22uF will cause stability issues also during load regulation...
View ArticleLMR33630: Capability to be used for 45W USB-C PD in conjuction with TPS65987DDJ
Part Number: LMR33630Hello,We have built a USB-C PD 45W charger using the LMR33630 with a Vin=27V to step it down to 5, 9, 15, 20V at 3A maximum.We have come across some issues, which are detailed in...
View ArticleTPS61021A: Maximum leakage current into Vout pin during shut down
Part Number: TPS61021AHi,What is the typical and maximum shutdown current into the VOUT pin (EN low, Vin 3.0V, Vout 3.3V, Tj -40, +25 and +85°C)?RegardsCHA
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LM5060: what's the drive current of LM5060?
Part Number: LM5060Hi,in our gate driver product like UCC23513 we have the parameter of sourcing and sinking current of the gate driver.LM5060 is also used to turn on/off a MOSFET, but I can't find the...
View ArticleLM74610-SQEVM: LM74610-SQEVM for 24V GND (reverse polarity protection)
Part Number: LM74610-SQEVMHello, what would be necessary to have a reverse polarity protection of 24V for the LM74610-SQEVM? I have this device here but it is only ratet for +12V to -20V. I would need...
View ArticleBQ24130: BQ24130
Part Number: BQ24130Hi I have and question to the datasheet. Page 4 is using the definition V(ireg_chg) but it is not explained what this value describes (?) Where can I measure this signal?
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