TPS92513HV: Short pulse high voltage
Part Number:TPS92513HVHi,For a new design I want to create a strobe light with IR LEDs (Osram SFH 4249 - UV). These LEDs will be preferably connected with 15 in serie, what would result in a Vf of...
View ArticleTPS793: TPS793
Part Number:TPS793HiI'm trying to use this regulator to drive the DVDD of a WM8741 DAC to 3.3V.IN and EN pins are at 5V (from a computer USB), OUT pin has one a ferrite bead in series and one 47uF...
View ArticleTPS61040EVM-002: Output current setup queries
Part Number:TPS61040EVM-002HelloI am planning to use TPS61040 in my design. There are a few doubts.Need to drive 4 IR LEDs in series(VSMY1850X01) with forward current of 100mA.The system is powered by...
View ArticleTPS63060: Buck mode current sinking capabilities
Part Number:TPS63060Hello,I am trying to build a TEC driver similar to this Application Report: www.ti.com/lit/an/slva677/slva677.pdfMy input voltage is in the range of 8V to 12V, so I can not use the...
View ArticleLM5146-Q1-EVM12V: Are the Altium Design files available for this demo board?
Part Number:LM5146-Q1-EVM12VHello, are the Altium design files (Schematic, PCB layout, gerbers, etc) available for this demo board?thanks
View ArticleTPS92692-Q1: IMON state consult
Part Number:TPS92692-Q1Hi team, my customer want to know the voltage of IMON pin if our device in fail state (not switching)?I believe this will be zero, right? Also if we connect SS or PWM to GND,...
View ArticleLM5112: Fast mos driver (LM5112) + fast mos (suggestion?) for a pulsed led...
Part Number:LM5112Dear All,i need to pulsed an uv-led with a frequency from 100kHz ( 5 us on, 5 us off) to 1 MHz ( 500ns on 500ns off) with few ns of rise/fall time. I'm thinking to use a fast mos...
View ArticleBQ24133: BQ24133: How to increase battery charging current
Part Number:BQ24133We have made battery sharing circuit /PCB using BQ24133. it primary functionality looks ok. The Li-on battery is getting charged . But it takes 8-9 hours for full charge. it is...
View ArticleTPS25942A: Temperature Questions
Part Number:TPS25942AHello,I’m hoping you can help provide some additional specifications (or clarification) for the TPS25942 over temperature.Here’s some things I’m hoping to clarify (there may be...
View ArticleTPS62748: Buck not switching from PFM to PWM mode
Part Number:TPS62748Hi,I am using the TPS62748 as a power supply in one of my designs. I am using an MCU that draws 4 mA so starting the MCU is no problem. However, from time to time I activate another...
View ArticleTPS3700-Q1: Data sheet top view and mechanical data does not agree with each...
Part Number:TPS3700-Q1Dear Sir/Madam,On the datasheet, SLVSCI7B –MARCH 2014–REVISED JULY 2017 from http://www.ti.com/lit/ds/symlink/tps3700-q1.pdf
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LM5175: UVLO schematic check
Part Number:LM5175Hi Guys,My customer is changing the EN/UVLO settings away from from 3.3V (10K) pullup toVBAT and a divider of 205K and 47.5K. Do you see any issues/concerns with these values?math is...
View ArticleTLV700XX-Q1: Question about symmetric power supply regulation
Part Number:TLV700XX-Q1Hi, I'm sorry to be the one asking the "would this work..." question, but I prefer to ask before buying! So, my question is the following:If I had one 3.7V Li-ion battery and I...
View ArticleTPS22990: TPS22990: Is there a maximum CT(pF)/output rise time spec?
Part Number:TPS22990TPS22990: Is there a maximum CT(pF)/output rise time spec?I have followed the old threads but my question is not answered.I am using TPS22990 as a Voltage Switch.VIN = 5 VVBIAS =...
View ArticleTPS22990: TPS22990: Is there a maximum CT(pF)/output rise time spec?
Part Number:TPS22990My setup :TPS22990VIN 5VVBIAS 5VON connected to VIN 5VCt of 0.47 uFCIN 1.0 uFCOUT 0.1 uFCload ~ 300 uFT rise is measured at 1 ms, I expect at least 15 ms. Is the switch capable of...
View ArticleTPS22990: TPS22990: Is there a maximum CT(pF)/output rise time spec based on...
Part Number:TPS22990VIN 5VVBIAS 5VON is connected to VIN 5VCt = 0.47 uF ( is this too much C ? )I am measuring VOUT T Rise of 1 ms and expect 15 ms or more.Cload is 300 uF I load is 100 mADo I need to...
View ArticleLM27761: When first enabled output goes positive before going negative
Part Number:LM27761I have an LM27761 being used to generate -1.7V. It's enabled by a +3.3V signal. When enabled I'm seeing the output rise to 380 mV within the span of about 400 us before going low.Is...
View ArticleLM73606-Q1: Feedback pin connection after sense resistor
Part Number:LM73606-Q1Hello, Is there any reason to not connect the feedback pin of a LM73606-Q1 after a sense resistor (used for current sensing) to compensate for the voltage drop?I assume that it is...
View ArticleLM5116-HT: is there a CPGA-20 package?
Part Number:LM5116-HTHi guys,Customer is looking for a buck with no thermal shutdown for a drilling application.There is a confusing comment in both the LM5116-HT and LM5116WG datasheets. First, the...
View ArticleLM5034: Dual interleaved regulator
Part Number:LM5034Working principal of LM5034 dual interleaved regulator. (With sample circuitry) Thanks in advance.
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