TPS24751: Enable input voltage
Part Number:TPS24751Dear Sir,I am trying to use the TPS24751 as a power supply output control to a large LCD display that is powered from 12V. The display takes approximately 6-8A under normal...
View ArticleBQ24115: How to design a 3s lipo balance charger
Part Number:BQ24115Hello,I've been searching the web for a 3S lipo balance charger and I cannot seem to find any good designs. This chip claims it can charge 3 cell lipos, but I see no application for...
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I see lots of simple Fuzzy Logic applications using MSP430 series.But can fuzzy logic controller be implemented using UCD3138 or similar for a digitally controlled PFC?There is significant literature...
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TPS62260: Is it possible to supply +3.3V external power on TPS62260's output?
Part Number:TPS62260Dear Sir,I need to suppy +3.3V external power on TPS62260's output because of MCU firmware update as below.Is it possible? Does this external power supply damage TPS62260's internal...
View ArticleWEBENCH® Tools/UCC28600: Switching regulator
Part Number:UCC28600Tool/software: WEBENCH® Design Tools I need to develop this switching regulator:input 85-240 VAC 50/60 Hz Isolated output 48 VDC , 8 AMaybe I can use a UCC28600-Q1, but I'm not...
View ArticleBQ27510-G3: Learning cycle doesn't seem to start
Part Number:BQ27510-G3Hello,I've been attempting to complete a learning cycle with a new battery pack with a 1S3P configuration. I'm using a program to automate the charge discharge cycle set to charge...
View ArticleBQ34Z100-G1: Internal PCM; which ground?
Part Number:BQ34Z100-G1Hi, I have some questions about using the bq34z100-G1 fuel gauge: 1) I plan to use bq34z100-G1 to fuel-gauge Ultralife UBBL22, a 2-wire, 4S1P Li-ion battery pack that has an...
View ArticleTPS2067: Parallel capability
Part Number:TPS2067Is it possible to operate all 3 switches of the TPS2067 in parallel to increase current capability similar to the TPS2066 from this application report? SLVA195
View ArticleUCC2897A: Can UCC2897A generate 12V/42A output form 48V
Part Number:UCC2897AUCC2897AEVM, 48V-60VDC Input, 12V/250W Active Clamp Forward Reference Design, 12V/21A output from 54V DC input.Can the design reach 12V/500W? If not, what is the limitation? Thanks.
View ArticleLMG1020EVM-006: LMG1020EVM-006 problem, input J2
Part Number:LMG1020EVM-006I try to evaluate LMG1020EVM-006, but it did not work.I wire bonded the anode of VCSEL to anode pads of EVM, and use silver epoxy to attach the bottom of VCSEL (cathode) to...
View ArticleBQ27GDK000EVM: GDK - Taper Current
Part Number:BQ27GDK000EVMHi,I am checking all the configuration parameters for this EVM in order to see how they match my battery. The specs of the battery are 550 mAh and 4.2 V; according to the...
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TPS27S100: Excessive Current Spike
Part Number:TPS27S100Hello,We have the EVM for this device. The current limit is set to 500mA using a 5kOhm resistor on ILIM. When the output is shorted to ground, the current reaches peaks of >20A...
View ArticleLM5175: Problem, Standby current LM5175
Part Number:LM5175I have been testing the LM34936 as a possible replacement for the LM5175 and noticed the no load current was rather high. I also have a LM5175EVM which I decided to apply some tests...
View ArticleBQ24171: ACSET pin resistor value without input current regulation
Part Number:BQ24171I think the typical application schematic is Fig 23 on datasheet P.28 when we don't use input current regulation function.In this schematic, ACSET pin is pulled up to VREF.What...
View ArticleBQ24171: SRN pin filter capacitor
Part Number:BQ24171On datasheet pin function table, SRN pin requires 0.1uF capacitor from SRN to AGND.However the capacitor is not mounted on EVM.Isn't this capacitor needed? or should we place it?Best...
View ArticleUCC28070: Does any CCM IC support DC input?
Part Number:UCC28070I wonder if there is any CCM ( Single phase or interleaved) IC that support DC input. Or is there any method to use these ICs in DC input.Does UCC28070 work if I pull VINAC low...
View ArticleUCC28740: Solution survey of UCC28740 when voltage of HV pin requires at...
Part Number:UCC28740HelloI am interesting in low power consumption function of UCC28740, but I need at least 1.5 kV for HV pin which is annotated with 700V in datasheet,Do you have any recommendation...
View ArticleTPS63070: Can VSEL be toggled during operation
Part Number:TPS63070Hi team,I understand that VSEL can be toggled during operation.In that case, how does the current limit and the PG work during the output voltage switching period? For example,...
View ArticleBQ25120A: BQ25120A application question
Part Number:BQ25120ADear all Expert : I have some question about bq25120A. 1.When system down, will Vbat power be cut off ?...
View ArticleDo we have similar product like S-1009N28
Dear all expert : do we have similar product like S-1009N28 ?
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