TPS65094: TPS650942A0 reset issue
Part Number: TPS65094Hi Team, My customer issued that there is a reset issue in recent produced single board computer (apollo lake platform). Here are their findings. (1) All the output...
View ArticleLMZ31704: LMZ31704
Part Number: LMZ31704Hi,For LMZ31704 the max Output Current is spec at 4A, the Current Limit Threshold is spec at 9A if the ILIM left open, does that mean the part can be loaded up to 9A before the...
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BQ25703A: Need to get the charger to output more than 100m Amps
Part Number: BQ25703AHi TI experts,I am using the BQ25703A and having difficulty getting the charge current beyond ~ 100 mA. This is regardless of the register 03/02 setting. My setup is input voltage...
View ArticleBQ25886: Host Connection
Part Number: BQ25886Hi E2E,Good day!Is it ok to an MCU USB signal to the BQ25886 in parallel with a USB connector?Looking forward to your response.Thank you and best regards,Franz
View ArticleBQ78350-R1: How to create df.fs and bq.fs files?
Part Number: BQ78350-R1Hi Guys,I would like to do production programming of bq40z50 and bq78350-R1 fuel gauges with the bq.fs and df.fs file formats. I have bqStudio v1.3.93. I have the utility to...
View ArticleTPS55330: Can duty cycle of the chip be zero?
Part Number: TPS55330Hello,I am going to use this chip to boost voltage from 12V. I like the output to be in the range from 12V to 15V by using a potentiometer to adjust Feedback voltage. Is it...
View ArticleSM74611: Invalid device: $CDNENCSTART
Part Number: SM74611I'm trying to import this PSpice transient model into TINA TI using the new macro wizard, but I get the aforementioned error. How can I fix this?
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TLVH431A-Q1: Limit on Resistor value
Part Number: TLVH431A-Q1Hello Team,In the schematic below, is it acceptable to have R3 and R4 at high values, such as 33k and 100k, respectively? Just want to make sure I am not overlooking...
View ArticleCCS/BQ40Z60: Unexplained power downs that may be related to BTP operations
Part Number: BQ40Z60Tool/software: Code Composer StudioHi,We are getting intermittent power downs where the BQ appears to shut off the DSG FET for no apparent reason. We are logging at the time and see...
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TPS62205: TPS62205 PFM Mode
Part Number: TPS62205Hi Team,I get a question about TPS62205's PFM mode. Datasheet page 9 says [Two conditions allow the converter to enter the power save mode operation]. one is DCM and another is...
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TPS62400: TPS62400 Power Save Mode
Part Number: TPS62400Hi Team,I get a question about the TPS62400's Power save mode. Datasheets page 13 says during power save mode, output will be regulated to 1.01Vout_nom and it's monitored by a...
View ArticleUCD90160: Comparison of hex files question
Part Number: UCD90160Customer is using UCD90160 and has set configuration using Fusion tool. When they generate a hex file to different directories and then compare the files, there are some...
View Article60V AC input to get a stable DC[
Hi,My customer is designing an BLDC sensorless solution The supply input is 60V AC, asking for a solution to output a stable DC which is not higher than 100V to supply a 200W BLDC motor. Motor...
View ArticleUCD3138: Fusion digital power studio
Part Number: UCD3138Hi Amiel and UCD expert,For the released firmware,memory peek/poke pmbus commands will be taken out for security purpose, but I found that the online GUI couldn't be started up in...
View ArticleDC-DC Converter (122V,20A)
We have to design DC-DC converter as per below specificationsInput: 99-135VDCOutput: 122VDC, 20A. (100 to 135VDC)Power: 2700W.Isolated.I tried using Texas SLUC222D (PSFB) (UCC28950 Excel design Tool),...
View ArticleBQ25898: Settings for registers
Part Number: BQ25898Hello,If the VBUS power is turned off, will the settings be lost and return to default values?What are the conditions for setting to default values?
View ArticleBQ24620: precharge to enable shutdown battery pack
Part Number: BQ24620Will the BQ24620 apply precharge voltage and current to the pack if it detects nothing?I need to make sure that if the battery pack (BQ40Z50) is in UV shutdown (0V at pack pins) it...
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ISO5852S: Can i use complimentary mosfets insead of BJTs to increase IGBT...
Part Number: ISO5852Shi,in datasheet of ISO 5852S is give that, to increase IGBT Gate drive current capability external transistors can be used(for your reference below snap shot).Now i want to use...
View ArticleLM3488: LM3488- minimum off time
Part Number: LM3488Hi Team,how much is the minum off time of the LM3488? I can only find the on-time in the datasheet.Thanks,Elisa
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TPS54308: Input Capacitor reference
Part Number: TPS54308Hi team My customer use TPS54308 for 18~24V input and 4.2V output.But i found he used 22uF/25V/X5R , 10uF16V/X5R and 10uF16V/X5R as input capacitor whose Withstand voltage is...
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