UCC25600: How to design aux supply for fast startup
Part Number:UCC25600Hi guys,My customer wants to use UCC25600, and is confused about how exactly to design the aux bias supply. (they need fast startup)Do we have any documentation that elaborates on...
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BQ24230: Charge Current Higher than expected
Part Number:BQ24230Hi,Im using a bq24230 in my design.Riset = 2k94Riterm = 2k94Rilim = NCEN1 and EN2 are set to USB500 modeAccording to the datasheet my battery charging current should be limited to...
View ArticleTL7660: TL7660 VOUT
Part Number:TL7660 Iwoudl liekto ask the follwing questions:From VIN =5V, Configuration "CombinedNegativeVoltageConversionandPositiveSupplyDoubling" dtasheet page 13 Figure 101) Is correct to assume in...
View ArticleTPS51200: VLDOIN and VO current with 5 DDR3L chips?
Part Number:TPS51200Team,Can you help with the below:How much current should I expect on VLDOIN and VO pins of the TPS51200-EP for via sizing. If I were to use the TPS51200-EP in a DDR3L application...
View ArticleTPS546C23: How to convert temperature data into decimal
Part Number:TPS546C23Hi TI's experts!This is Wenhao. It is really confusing to get how to correctly converse temperature linear format into decimal, since datasheet description is really vague. Could...
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TPS61021A: Startup problem with a load is connected
Part Number:TPS61021AHello,I am testing a design with the TPS61021A.Input voltage is 0.9V to 1.8VOutput voltage is 2.2VOutput current is 100 mA I have a design pretty similar to the webench attached. I...
View ArticleLM5088: Compensation in Current Mode SMPS
Part Number:LM5088Hello, I am trying to use the LM5088 in a project of mine. And this led to me read a bit more about current mode control in SMPS. Thus, my question pertains to current mode SMPS...
View ArticleBQ27426: Right offset and Value for Trace Resistance
Part Number:BQ27426Hello,Which is the right offset that should be used for Trace Resistance? I have tried with the two provided by the datasheet (75 and 92) but the default vaue was wrong. I got 0x023F...
View ArticleBQ40Z50-R1: confirm and give guidance on fuel gauge setting
Part Number:BQ40Z50-R1Please review and provide guidance of the attached BQ40z50-r1 fuel gauge setting, to make sure there was no overlooked or missing essential setting. Chemistry:...
View ArticleTPS50601A-SP: metal lid on TPS50601AHKH/EM
Part Number:TPS50601A-SPFor the TPS50601AHKH/EM, is the metal lid floating? Is there any metal on the bottom?
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TPS7A78: SCIN voltage calculation
Part Number:TPS7A78Hi team,On the datasheet of TPS7A78, section 7.3.7, I found that the Vscin=4*(Vldo+0.6V)-2.5V, so the Vscin should be around 20V.But according to the block diagram, SCIN should be...
View ArticleBQ25703A: Asking for the BQ25703A schematic review
Part Number:BQ25703AHi Team,Customer would like to use BQ25703A.Here is the design spec.Input source:DC Jack: 12V/2.5APD:5V/3A, 9V/3AQC:9V/1.67AWall charger: 5V/1.5A Charging voltage: 8.8VCharging...
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TLV757P: Interface forum
Part Number:TLV757PHello,one of my customer is using LDC TLV75733 to supply wifi-module which require 600mA and 3.3 v input but LDO current capacity is only 500mA. so they want to supply this...
View ArticleTPS65218: Alternative for this NRND part TPS65218
Part Number:TPS65218As per the datasheet this Part is NRND , Please suggest alternative power management IC for AM4378 processor.Regards ,Vidyashree
View ArticleTPS22918: TPS22918 ON voltage higher than VIN voltage
Part Number:TPS22918Dear Sir/Madam,Can the ON voltage be higher than the VIN voltage for the TPS22918?ie. VIN = +2V5 and ON=+3V3.Regards Joe
View ArticleTL431: Capacitance
Part Number:TL431What will be the capacitance across the cathode and anode in the nonconducting state?
View ArticleUCC28740: SIMPIS UCC28740 SIMULATION NOT WORKING
Part Number:UCC28740Hello ,I'm designing a power supply using ucc28740 so I'm using the UCC28740_TRANS_SIMPLIS example circuit file of with 200V input and 5V @ 2A output. I'm facing an issue if I copy...
View ArticleCSD87331Q3D: I want to know the MTBF for CSD87331Q3D，thanks
Part Number:CSD87331Q3DI want to know the MTBF for CSD87331Q3D，thanks
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CCS/UCD3138: ADC speed setting
Part Number:UCD3138Tool/software: Code Composer StudioHello:I found ADC sampling_sel can choose different speed .But in the manual it suggest setting the speed as 267K. Now I want to get the more...
View ArticleCSD95472Q5MC: I want to know the MTBF for CSD95472Q5MC
Part Number:CSD95472Q5MCHi I want to know the MTBF for CSD95472Q5MC ,thanks
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