TPS61178: Estimation of Ripple voltage
Part Number: TPS61178Hi support team,Do you have any formulas for calculating output ripple voltage for TPS61178?How can we estimate the ripple voltage of TPS61178 at PFM mode?Thanking you in...
View ArticleTPS61169: Driving the LCD Backlight with 23V, 100mA
Part Number: TPS61169Hi Team,We are planning to use the Display with the Back-light Specification of 23V, 100mA in our design.Please provide the details TPS61169 Driver supports our application or...
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LM2578A: Inverting Regulator Configuration
Part Number: LM2578AHello, Just confirming -- on page 9, figure 34, is "TIP32" the part number of Q1?Thank you!
View ArticleLM5023: LM5023 PFC solution
Part Number: LM5023HiI have an AC/DC solution in evaluating TIThe spec information are as follows, can provide suggestions?I have seen the LM5023.http://www.ti.com/tool/PMP7883and...
View ArticleTPS62240： TPS62240 is the current consumption of Vin
Part Number: TPS62240Hi，TPS62240 specification shows that when Vin<2V, the IC will enter the undervoltage lockout mode, then the IC is still working, what is the current consumption at this time,...
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TPS61165: LCD Backlight going from 8V to 4V after 5-10 second bootup.
Part Number: TPS61165All our CCA that uses this circuitry to drive a LCD Backlight and are working fine except a few.The issue we have is the output is adequate for the Backlight to work but after 5-10...
View ArticleTPS65265: Input Filter Requirement
Part Number: TPS65265Hi,I have using this regulator for Intel Platforms for the output (2.6V, 0.65A),(1.8V, 1.21A),(1.0V, 1.86A). Please help me whether we need Input Filter for this design, If yes is...
View ArticleTPS54824: Control V_out and I_out lower with SS/TRK pin
Part Number: TPS54824Hello,We're looking to use the TPS54824 to power a sensor. In some cases we would like to lower the voltage & current to the sensor if it is getting too hot. We noticed the...
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TPS24750: Higher than expected Rds(on)
Part Number: TPS24750I have a customer currently evaluating the TPS24750. With a 1.5A load, they are measuring a drain-source drop of 30mV, which suggests a Rds(on) significantly higher than the value...
View ArticleBQ25120A: I2C does not ACK without VIN present on evaluation board
Part Number: BQ25120AGreetings,We're working with the BQ2520AEVM (Evaluation Board) interfaced with the EV2400 and Battery Management Studio v1.3.86. It is attached to both a 4.2V LiPo battery (VBat)...
View ArticleTPS549A20: I2C Tfall time
Part Number: TPS549A20Hello E2E,Is there a minimum fall time for the I2C lines of the TPS549A20? I am assuming no but just want to check.Thanks!Russell
View ArticleTPS2546: Is there any solution for testing TPS2546?
Part Number: TPS2546hellowe want to test TPS2546 whether it is in normal status such as it can support IPAD charging SPEC.How should we set the test method to verify that TPS2546 can support IPAD...
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LMZ31520: Adjusting Output Voltage with LM10010
Part Number: LMZ31520Hello,I want 2.5V~3.5V @ 12A with Adjusting Voltage power.AGND pin description of LMZ31520 is 'Do not connect AGND to PGND'.But snva709 Document is AGND pin connected GND.What...
View ArticleLT1054: LT1054 Oscillator frequency Controller
Part Number: LT1054Excuse meLT1054 Oscillator frequency How to precisely control only operates above 25KHZ, except for external CLK.I need, please suggest more Switched-Capacitor Voltage Converters IC
View ArticleTPS25221: Asking for the recommendation on fault pin floating
Part Number: TPS25221Hi Team,Customer is looking for TPS25221 fault pin floating. If customer is floating fault pin ,IC will be clamp current to current limit setting when OCP occurred ,right? BR,SHH
View ArticleTPS65131: TPS65131 Question about output voltage Ripple.
Part Number: TPS65131Dear support member,My customer used TPS65131.I have a question.（Question)Only the negative side is used without using the positive side.There is 1Vp-p noise on the minus 5V...
View ArticleTPS61089: Leak current of the body diode at disable
Part Number: TPS61089Dear all.How much does the leak current of the body diode when TPS61089 is disabled?(In=5V, Out=9V, load=LED)Regards,PAN-M
View ArticleCCS/BQ20Z95: Burning and command
Part Number: BQ20Z95Tool/software: Code Composer StudioHello, I have a few questions about BQ20Z951, PFstatus permanently fails, the battery returns to normal state, battery status is still alarm...
View ArticleLM5026: The application scenarios are high-speed trains or subways with 200w...
Part Number: LM5026Dear Sir：The application scenarios are high-speed trains or subways with 200w power supply, input dc voltage 16.8-31.2v（normal 24V), output 24V, constant voltage output.The customer...
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TLV62085: Why the TLV62085 PG Pin will Go to Low when I heat the TLV62085...
Part Number: TLV62085The PG pin pull up to the 3.3V_ASIC by 1M ohm resistor then connector to the other TLV62085's enable pin. When the temp is lower about 70 degree it is work, When The temp higher...
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