BQ26100: Encryption using BQ26100
Part Number:BQ26100Hi Team,For DSP C28346, the program files are stored in external flash chip. Do we have any instructions about how to realize the encryption of program files using BQ26100? Or, you...
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TINA/Spice/TL431: TL431 as current source
Part Number:TL431Tool/software:TINA-TI or Spice ModelsDear AllMy customer want to use the TL431 as constant current source with 2~3V input.But the current will change, when the load change.Vin=16V,...
View ArticleTPS54227: About REG5 Capacitor
Part Number:TPS54227Hi Jason-san, I understand that a recommended value of bootstrap capacitor is 1.0uF.However, I would like to know a recommended minimum effective capacity value.Could you please let...
View ArticleTPS54528: About Bootstrap & REG5 Capacitor
Part Number:TPS54528Hi Jason-san, I would like to know a recommended minimum effective capacity value of Bootstrap & REG5 Capacitor.Could you please let us know if you have any information?And, if...
View ArticleTPS62080A: About Input capacitor
Part Number:TPS62080AHi Team, I understand that a recommended value of bootstrap capacitor is around 10uF and this value depends on an application (Layout etc.).However, I would like to know a...
View ArticleBQ24001: Help with APPLICATION INFORMATION in datasheet
Part Number:BQ24001Hi,I found this IC I want to use for charging a Li-Ion in my student project.I tried to recreate the schematic from the datasheet but I can't find enough information about the...
View ArticleBQ25713B: bq25713b VAP funtion
Part Number:BQ25713BHi, As I read the BQ25713B datasheet, I am confused the VAP feature:Could you give me explaination about that why bq25713b VAP feature only support on 1S and 2S battery system, why...
View ArticleLM3481: Soft Start delay
Part Number:LM3481Hello SirI'm using LM3481MM/NOPB in my project. Is there in control on soft start delay in this IC.(As Soft start is provided internally for a 15ms duration). I wanted provide a soft...
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BQ24250: The Range of Capacitance value of Cboot
Part Number:BQ24250Dear Specialists,My customer is considering BQ24250 and has questions.I would be grateful if you could advise.---According to the datasheet, Cboot is recommended to use 0.033uF 15V...
View ArticleWEBENCH® Tools/BQ25895: PCB design with GND and PGND
Part Number:BQ25895Tool/software: WEBENCH® Design ToolsMy question is related with a complex design that includes in one PCB the bq25895 together with an LDO and two uC. The idea is to use the bq25895...
View ArticleISO5852S-Q1: Selecting isolated driver for 1.2kV SiC MOSFET: ISO5852S-Q1 vs...
Part Number:ISO5852S-Q1Hello,I'm desinging a driver for a 1.2 kV SiC MOSFET and I have some questions to select the right core. I want to use the ISO5852S-Q1 because it has some interesting...
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BQ50002A: Demodulator input signal conditioning
Part Number:BQ50002AI'm currently using the BQ50002A and BQ500511A in a Qi transmitter design.In the datasheet, there is a "Demodulator input signal conditioning" circuit.This circuit takes the "TANK"...
View ArticleBQ76940EVM: bq78350 SOC estimation is wrong
Part Number:BQ76940EVMHello,I'm currently working with the BQ76940EVM, EV2300 and the latest BqStudio version (1.3.86.3). I already used the GPC packer to get better SoC values. The BQ76940EVM worked...
View ArticleLooking for a suitable multiphase buck controller.
I am looking for a somewhat general purpose multiphase buck controller capable of 6 or more phase control. The application is high power high voltage step down (~400V to 100-300V). Any suggestions?
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BQ25120A: Clarification on safety timer and BAT_OVP fault documentation
Part Number:BQ25120AGood morning,I have 2 questions related to documentation of the safety timeout and an incompletely documented fault relating to battery overvoltage.1. The safety timer is described...
View Article[FAQ] TPS23880: How to update TPS23880 firmware and how to detect what...
Part Number:TPS23880How to update TPS23880 firmware and how to detect what firmware version I am currently running?
View ArticleLM5116: Inverting buck-boost configuration and analysis
Part Number:LM5116Can the LM5116 be used in an inverting buck-boost configuration? I am designing a circuit with 20-30v input and -48v 1 amp output. Webench does not provide any possible designs,...
View ArticleLP5024: supply modes
Part Number:LP5024hi,an important customer of mine is successfully evaluating the LP5024 vs IS31FL3216A.We are expecting to power the chip from our 3.3V power rail, but the LEDs would be powered...
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TPS650830: 650830's LDO3V3 has fault output;
Part Number:TPS650830Hi Experts,While I was supporting one of our important customer, one important issue emerged. As the customer is using VR3 to generate a 3.3V output, which, has also been used as...
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LM5002: LM5002 SEPIC with non-coupled inductors - Ripple issue
Part Number:LM5002Hi E2E forum!We've used LM5002 in SEPIC configuration as per example below:We have just changed the Feedback resistors to have 15V as output.Our specification is Vin=14V to 20V,...
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