TPS54260: Light load efficiency issue
Part Number: TPS54260Hi guysI am designing the power supply for a tracking device, which uses a GPRS and GPS module (MC60 from Quectel)I am using TPS54360 with 74404043100A inductor from Wurth Our...
View ArticleBQ24703: BQ24073RGTR Not charging battery
Part Number: BQ24703Dear Support,I have designed a PM circuit to charge a battery using the BQ24073RGTR. Here is what it is doing:- I connect USB... 5V go in, and 4.4V come out at Pins 11, and 10.-...
View ArticleLM25141-Q1: Standby mode frequency
Part Number: LM25141-Q1Dear, When entering standby mode, does the IC works at the setting frequency or lower because some cycles are no-switching? When it works at FPWM mode, what does it differ from...
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LM25141-Q1: Standby mode current
Part Number: LM25141-Q1Dear,In LM25141-Q1 datasheet, it says it has a high-voltage bias regulator with automatic switch-over to an external bias to reduce the IQ current from VIN.but in the page6,the...
View ArticleUCC28019A: UCC28019A Audio noise issue
Part Number: UCC28019AMy client tested the UCC28019A to be noisy at no load.Test conditions are as follows:VAC 220VAC/ no load.After measuring the prototype I found to have audio noise, the VCOMP...
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UCC2897A: PMP3162 SR driver issue
Part Number: UCC2897AMy customer refers to the PMP3162 line, but when it happens to be transient (full load drops to no load), UCC27511 will die (U6 PIN6), how to deal with this problem, Thanks.
View ArticleTPS546D24: TPS546D24
Part Number: TPS546D24questions about using TPS546D24 and full datasheet of thishi dearsi havve usung TPS546D24 as stackable 4 chip for 160 A output. but there is many questions about this chip:1....
View ArticleBQ40Z50: permanent fail register
Part Number: BQ40Z50hello, after uploading the Memory file (edited using notepad as you told, and everything worked great), the input voltage increased (manually) and the PF STATUS SOC is on. The...
View ArticleTPS2052BD vs TPS2052BDR
Hi,I have a realy short question and can't find it in the datasheet:What is the difference between the TPS2052BD and the TPS2052BDRBest Regards
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TPS54561-Q1: switch overshoot and high frequency switching noise
Part Number: TPS54561-Q1TPS54561-Q1, input 22.4V, output 5.1V. Load is minimal <10mA. Design load is 4A. High side switch has very significant ringing, which is causing ~3Vpp noise on the input...
View ArticleTLC5925: does the TLC5925 have proper power on reset?
Part Number: TLC5925When the TLC5925 powers up, what state is the output latch? I would like to avoid the need to control the !OE pin with a uC and tie it to ground, but I don't want the outputs to be...
View ArticleTPS63802: When is TPS63802 mass produced?
Part Number: TPS63802I want to use TPS63802 in my project, but TPS63802 is in preproduction status now.I am worried that when my product is in mass production, but I can't get the chip.When is it mass...
View ArticleInverter
Hi im looking for a design reference for a single and 3 phase inverter. If possible I would like to use this inverter for 220v and 360v. I had a look at one of your disigns that really looks nice but i...
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BQ25606: Issues problems related with satus leds, Vbus and more.
Part Number: BQ25606Hi, i am recently working on a device wich need an standalone IC charger, for this purpose i choose the BQ25606. For start i use the web tool of TI to design it with success and now...
View ArticleCCS/UCD3138: UCD3138_LLC_HB_linkinfo.xml
Part Number: UCD3138Tool/software: Code Composer Studiowhat is this file used for? i find some variables defined in this file, like 'filter0_pmbus_regs'
View ArticleBQ4050EVM-561: Cannot Read remaining capacity using BQstudio
Part Number: BQ4050EVM-561I tried using BQstudio and EV2400 to read battery capacity of different batteries, but it always shows that the capacity is zero. It reads the voltage and temperature totally...
View ArticleSynchronous gate driver (TPS28226) v.s. General gate driver(UCC27211)
Hi team, Could you please kindly suggest what is the main difference between Synchronous gate driver (TPS28226) and General gate driver(UCC27211)? Please also kindly provide the comparison table,...
View Article+5V to 42V step regulator design
I am looking for a step-up regulator design from +5V to approx. 42V with an Iout Max of 700mA - 1A. The most important additional factor is the approx. MAX size of the final design. I have a very...
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BQ34Z100-G1: Learning cycle issues with LiFePO4 cells (Update Status stuck at...
Part Number: BQ34Z100-G1Hello all,I have issues to complete the learning cycle for a 2p LiFePo4 battery pack (A123 APR18650M1A, 1100mAh). The gauge was programmed with ChemID 404 and data flash...
View ArticleUCC28780: ucc28780
Part Number: UCC28780 Eric:We got to revisit the INA 826 application.There are nagging issues in our circuit.Pl review the pdf attached.Appreciate further clarifications.-ROBIN(Please visit the site to...
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