BQ27750: BQ27750,BQ27742 HDQ communication and protection
Part Number: BQ27750Hello sir,may I ask 3 questions about BQ27750,BQ27742 in the application of coulomb-meter?1. As for HDQ communication，are there some specific recommend for GPIO selection？2. Could...
View ArticleTPS63001: What is the maximum heat this Ic can take doing reflow soldering?
Part Number: TPS63001What is the maximum heat this Ic can take doing reflow soldering?
View ArticleClik here to view.
TPS650830: TPS650830 application confirm.
Part Number: TPS650830Hi Sir,Our customer use the TPS659830 on Intel Amber lake Y 4+2 PMIC,There are some questions need help confirm:Q1. How much VDCSNS voltage default values?(The +V_BAT is form main...
View ArticleBQ40Z50-R1: Chemistry ID determination for experimental cell
Part Number: BQ40Z50-R1Hi There,We are going to be working with an experimental cell in the near future that is capable of very deep discharge. As such we are not expecting to find success with the...
View ArticleClik here to view.
BQ51013B: Why does vrect signal change when wireless charging is converted to...
Part Number: BQ51013BHello！The blue signal is the vrect signal.Best regards from China,Zhetao Xie
View ArticleTPS53315: part marking
Part Number: TPS53315Hi,we have small quantitiy TPS53315 chips to build prototype boards, got the differernent temperature of the chip body during aging test. We want to know if the the following...
View ArticleClik here to view.
TPS737: LDO TPS373 layout
Part Number: TPS737TO IMPROVE PSRR AND NOISE PERFORMANCE ，which layout is good？Will the quality of Option 2 be very poor?thanks a lot1、Input and output filter capacitors and feedback circuit are...
View ArticleClik here to view.
TPS63802: TPS63802 TEC Application PWM frequency
Part Number: TPS63802Dear TI:Custom use tps63802 as TEC application, but i have some confused, can you some advise,thanks?1, Does Vctrl must be PWM output or DAC will be ok? if must be PWM, what's...
View ArticleClik here to view.
BQ27426 AverageCurrent is NOT accurate
Hello, We use the charger IC BQ24295RGER and the Fuel guage IC BQ27426 in our project, we set charging current as 1216mA, so we measured the charging current is about 1.2A via the multi-meter, but we...
View ArticleClik here to view.
BQ51003: bq51003 direct charger?
Part Number: BQ51003Hi Sir,If bq51003 can direct charger to destination (TWS)?Looks below structure is direct charger to contact (TWS)?Thanks, Ian.
View ArticleTPS54521: How to implement of spread spectrum modulation
Part Number: TPS54521Hi there,We used the TPS54521 for main power supply unit in mobile camera apllication,Now we faced to solve the EMC(conducted emission) issue for automotive application using...
View ArticleUCC28056: Can UCC28056 meet the IEC61000-3-2 specification? CLASS D rating
Part Number: UCC28056Can UCC28056 meet the IEC61000-3-2 specification? CLASS D rating,Thanks.
View ArticleClik here to view.
TLV62090: Bode Plot
Part Number: TLV62090Dear Team,Is this device need to measure the bode plot?Since lots of D-cap series devices don't need to measure the bode plot.Do we have the document to declare this device doesn't...
View ArticleClik here to view.
BQ24103A: Input voltage got changed while charging
Part Number: BQ24103AHi Team,The input voltage to BQ24103ARHLT is 12V. My battery is a two-cells one. However, when the battery is being charged, the input voltage becomes 8.5V. And when the battery is...
View ArticleTPS23751: TIDA-00617 Trying to find sources for LDT0666-50 and LTC0266-50
Part Number: TPS23751Hi,I have been trying to find a source for the transformers LDT0666-50 and LTC0266-50 used in the TIDA-00617 which we are trying to build. Searching a bit, could not find any...
View ArticleLMZM33604: Input current limitation?
Part Number: LMZM33604Hello Team, Is there a limit for the input current that I need to care about for this device?Thanks and Best Regards, Hans
View ArticleClik here to view.
TPS92691: Buck topology is not providing constant LED current
Part Number: TPS92691Hello,we are using the TPS92691 Led driver we are trying to drive the led's at 9V @ 2.8A the input voltage to the driver varies from 9.4V to 12.6V but we are not getting the...
View ArticleBQ76940: bq76940- TIDA-010030 Schematic
Part Number: BQ76940Hi Sir,TIDA-010030 schematic is Altium .SchDoc in website, do you have .dsn file for my customer request?Thanks,Ian.
View ArticleBQ2970: BQ29700 charge over current protection release
Part Number: BQ2970Hi team,customer need some spec about BQ29700, but I didn't find it on datasheet, please help on below items:1. Charging over current protection release condition. is it the VSS-V_...
View ArticleTPS23755: PoE PD Testing Equipment?
Part Number: TPS23755Hi Sir,My customer using TPS23755, would like ask PoE PD Testing Equipment? They will apply some budget on it next year.Thanks, Ian.
View Article