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TPS2819: Burning issue
Part Number: TPS2819I am using TPS2819 to drive MOSFET IRF540.Mosfet is driving Proportional Solenoid.I am facing issue with few of my drivers burning after working for more than 3-4 months.PWM from...
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BQ78350-R1: BQ78350-R1 and BQ76940 SCD protection
Part Number: BQ78350-R1 We use BQ76930 and BQ78350-R1, Whether short circuit and over current will work when we don't set AOLD and ASCD register in BQ78350 data memory. These registers are...
View ArticleLM5141: What is the difference between switching controller and switching...
Part Number: LM5141Hi,I want to know the difference between switching controller and switching voltage regulator IC?For ex: LM5141 - listed as switching controllerLM5146 - listed as switching voltage...
View ArticleBQ40Z50-R2: Max capacity concerns
Part Number: BQ40Z50-R2Dear colleague,Now customer plans to use BQ40Z50-R2, and they find MAX capacity is 29Ah, but their real battery capacity is larger than 29Ah.How to solve this problem?Thanks a...
View ArticleTPS746-Q1: Package mechanical data
Part Number: TPS746-Q1Could you provide package mechanical data of TPS74633PQWDRVRQ1?Data sheet does not have it.
View ArticleIs there any device output ramp time is 50us?
Hello,I look for DCDC converter which 5Vin 1.1V 2A output, ramp time 50us+/-20% in some reasons. I think this ramp time is too fast but would you let me know if there is a DCDC converter to satisfy...
View ArticleLM74610-Q1: LM74610-Q1
Part Number: LM74610-Q1Hi team,I want to use LM74610-Q1 for Oring application (3.3V) , but i have concern about the reverse current during one of the LM74610's input voltage drops , because Oring's...
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UCC256302: Inquiry about UCC256302_EVL transient load fluctuation operation
Part Number: UCC256302Inquiry about UCC256302_EVL transient load fluctuation operation 2019.10.25 (Thursday) We purchased EVL for LLC device evaluation from TI, mounted UCC256302, and evaluated...
View ArticleLM1117: Output cap, ESR and frequency range
Part Number: LM1117Hi,when using the LM1117DTX-3.3 the datasheet specifies an output capacitor of ESR 0.3ohm to 22ohm. The ESR of capacitors change significantly with frequency.Does this ESR apply to...
View ArticleTPS54560B: Internal zener diode on EN pin in -Q1 and non-Q1 versions
Part Number: TPS54560BI see that there was a previous question about the difference between the Q1 and non-Q1 versions of the part. Your answer was something to the effect of "no difference in...
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TLC6C5712-Q1: Some abbreviations are not explained on the datasheet
Part Number: TLC6C5712-Q1Hi team,Could you explain below abbreviations on the TLC6C5712-Q1 datasheet?For "TLADZ", is there a minimum requirement?- TLADZ- D/C- SHRN(18)Best Regards,
View ArticleLM53625-Q1: LM53625-Q1
Part Number: LM53625-Q1Hi all,I have a query regarding the selection of switching frequency for the DC - DC converter for automotive application. For example in case of LM53625-Q1 why is the switching...
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TPS3711: note(2) meaning for Startup delay spec
Part Number: TPS3711Hi Experts,I have question regarding the spec of "startup delay".I cannot understand what note (2) is meaning.td(start) is defined from V(POR). V(POR(max)) is defined as 0.8V in the...
View ArticleTPS54335A: shottkey at PH terminal
Part Number: TPS54335AHelloMy customer intend to use TPS54335A for their new design.I had suggested customer to add shottkey diode( Vf=0.5V) between PH pin and GND .The purpose of that is to prevent...
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BQ27542-G1: Power management forum
Part Number: BQ27542-G1Hi,Customer plans to adopt BQ27542-G1.And trying to evaluate the actual battery using bq studio.Battery parts number is NCR18650BF.However, there are three data in bq studio.We...
View ArticleLMR33630-Q1: NC Pin Function
Part Number: LMR33630-Q1Hi team,What is the function of NC pin of LMR33630-Q1?Why can this NC pin be used for connection of BOOT cap?Is this pin connected to BOOT pin internally?Thank you
View ArticleBQ78350-R1: LED SOC Indicator does not work
Part Number: BQ78350-R1Hi,My LED SOC indicator on battery pack doesnt work. I think the issue is on registers because when I send LED_Toggle command, all leds turn on.Also first time I soldered LED's...
View ArticleBQ25898: Thermistor question
Part Number: BQ25898Hi team,The datasheet mentioned equation of RT1 and RT2 on 9.2.7.5.1.Could you tell me how to define the RTHCOLD and RTHHOT?Regards,Yoshi
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BQ76940EVM: DSG CHG abnormal state
Part Number: BQ76940EVMAfter power on initialization, the DSG and CHG MOS are driven to close at a fixed time in the cycle, and these two states will be read in real time through interrupt. It is found...
View ArticleLooking Switching circuit/chip between Solar source and battery
Hi There, I have the batteries(Pack of 2, 21700 battery pack with approx. 7000mAh) with inbuilt charging circuit. The source for the battery charging is through 5V Solar panel.Default...
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