TPS23751: How much is the efficiency when output is 12V@2A ?
Part Number:TPS23751Dear all The efficiency of my board is 80% when output is 12V@2.1A, and when output is 12V @1A. I have some questions about this: 1. In the datasheet, "Figure 29....
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WEBENCH® Tools/UCC28634: The UCC28634 does not provide initial pulses and a...
Part Number:UCC28634Tool/software: WEBENCH® Design ToolsHello, We are currently using UCC28634DR flyback controller for a closed-loop control in a flyback project (Vin = 240VAC, Vo = 12VDC, Io = 0.5A)....
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BQ28Z610: can't achieve VCT
Part Number:BQ28Z610Hello,I have a bq28z610 and there's trouble to get valid charge termination.I'm using 2 cell battery LiFePO4 6.4V 6400 mAh. I've enabled RSOCL flag, so I should have 100% RSoH after...
View ArticleBQ25606EVM-772: BQ25606EVM-772 : PCB layout and PCB gerber
Part Number:BQ25606EVM-772Part Number:BQ25606EVM-772Hi. I am LEE.I Want BQ25606EVM-772 PCB layout and Gerber file. Please send files to my email 'hamonika00@naver.com' .Thank you & best regards.
View ArticleBQ25892: Charger IC draws less current
Part Number:BQ25892Hi,My system is having BQ25892 part. Even though Charging settings looks ok, I don't see Battery voltage increasing.When I connect power meter, I see current flowing into system is...
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BQ25898D: D+/D- Switch
Part Number:BQ25898DHi:My product USES BQ25898D, and the Datasheet application needs to add a switch on DPDM. Is this switch necessary? What are the requirements of the switch and what are the...
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LM5010AEVAL: Step File Availability?
Part Number:LM5010AEVALHello,is a step file for the LM5010AEVAL/NOPB evaluation board available? For reference: : Thank you,Zach
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LM3485: LM3485 Design issue and inductor selection issue
Part Number:LM3485Dear TI partner,My customer use LM3485 for a buck application, basic case is input 24v, output is 12v/3A; the schematic and pcb as belowthere are several question need to be...
View ArticleTL783: tl783 negative voltage output application
Part Number:TL783dear TI partner,as we know ,TL783 can operate uder voltage from 1.25 to 125v, it is excellent in positive output voltage.but my customer want to design a circuit that vin is -100v and...
View ArticleBQ2084: Issues with EV2300 connection
Part Number:BQ2084Customer needs to analyse some battery packs with the bq2084 gauge. They have installed “bq2084 EVSW Install v2p1.zip” on a WIndows XP machine and are trying to connect to a...
View ArticleLM2936: Operation >40V with non-HV part
Part Number:LM2936Operation of LM2936Z with input above 40V.We've got a board that uses the LM2936Z-3.3 device, and need it to operate with an unsmoothed rectified supply that goes to about 46V peak....
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LM5022-Q1: External power supply to have a larger MOSFET drive voltage
Part Number:LM5022-Q1Hello,I designed a BOOST converter with the following specifications:Vin 30/40 VVout 325 VIout 600mAf 200 kHzI am using LM5022-Q1 as IC. I need to undestand how to use an external...
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BQ25505: BQ25505 External PFET and MPPT Percentage
Part Number:BQ25505Hello,I´m currently designing a circuit for a power bank device with an integrated electromagnetic energy harvester. Since the system load will only be attached via USB to VSTOR,...
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UCC28600: The Auxiliary Voltage increase and over threshold OVP with the 0.5A...
Part Number:UCC28600Hi all!I designing the power supply, that used UCC28600 controller, 12V 120WBut, I had had a problem with the auxiliary voltage. When no load, Vaux is 16.5V. And I start to increase...
View ArticleTPIC6273: how to test Output Clamp Voltage 45V and Continuous Current 250mA
Part Number:TPIC6273Hi team,MY customer wants to test our device for below 2 items on bench, (1) Output Clamp Voltage up to 45 V-> Can we use figure 4 - Single-Pulse Avalanche Energy Test Circuit...
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LM25085: LM25085SD: EMI Filter
Part Number:LM25085Hi,We are using LM25085SD in our custom design. We are using two LM25085SD regulators to generate 3.3V and 5V power rail and both regulators are powered from same supply. Our System...
View ArticleTPS2829: ESD LEVEL & TEST SPECIFICATION
Part Number:TPS2829We are updating our component information and are in need of the following information: ESD LEVEL:ESD Test Specification: Hope to hear back from you in a timely manner.
View ArticleTPS61291: Regulator Choice for ADS124S08
Part Number:TPS61291Hello:We are currently evaluating the ADS124S06IPBS ADC and seem to really like some of its features such as its power consumption. This ADC will be used to measure strain gauge...
View ArticleLM137: Difference between "Adjustment pin current charge" and "Adjustment pin...
Part Number:LM137I see the datasheet of LM137 and is not clear in the datasheet the difference between "Adjustment pin current charge" and "Adjustment pin current".What is the external circuit to...
View ArticleTPS3431: TPS3431 SET1 and EN Inputs
Part Number:TPS3431Hello communityI am planning to use TPS3431 in a design. I have a doubt about the behaviour of the EN and SET1 inputs.If I hold low any of them the WD function will be disabled?....
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