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UCC28070: Abnormal inductor waverforms
Part Number:UCC28070VIN=120V, Vout=390V. Pout=1400W. fline=55Hz.Below is the inductor waveform. Any suggestion? Or what information do you need to figure out the issue.Could send you the schematic and...
View ArticleBQ25606: BQ25606 STAT pin always remains low after first USB Power connect
Part Number:BQ25606Hi,We are using BQ25606 for a single cell 3.7V battery to manage power. I have got around 6-8 boards which are working fineIn one of the board, when I power up the board, the STAT...
View ArticleTPS7A85: output ripple measurement
Part Number:TPS7A85Hi Team,Could you please share your experience and comment how to measure extra low output ripple voltage in lab?Customer adopted TPS7A8500RGRR as post regulator to meet the design...
View ArticleTPS3813: the suggested WDI trigger time using external capacitor
Part Number:TPS3813Hi, My customer is wondering if there are suggest time for the WDI to trigger? Thanks for your help.
View ArticleLMR36015-Q1: CISPR 25 Class 5 testing
Part Number:LMR36015-Q1Hi Team,do we have a reference design / layout for the LMR36015-Q1 that has been tested to CISPR25 Class 5 compliance?Thanks and Regards,Mihir
View ArticleBQ40Z50-R1: bq40z50-r1
Part Number:BQ40Z50-R1Hi TI suport group, I found there are 4 temp senses and one fuse pin on bq40z50-r1 device. Could I program the device to heat the battery pack when low-temperature environment?...
View ArticleBQ76940: how to achieve cell balancing and get the healthy information of...
Part Number:BQ76940Hi, My customer is using BQ76940 and wondering how to control cell balancing and getting analysis of battery health. Can you help to let us know how to config BQ76940 to achieve cell...
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LM5026: Schematic Review
Part Number:LM5026Hi,After testing the prototype sample, we found that the waveform of Q5_Vds is abnormal, could you help to check that the schematic if anything needs to be modified. thank you.(Please...
View ArticleBQ24259: battery reverse polarity protection
Part Number:BQ24259Hi,I have a project with single cell 2A USB charger BQ24259.I would like to know what happens when battery will be connected to this IC with reverse polarity?Has BQ24259 got any...
View ArticleTPS23880: EVM Sifos Test
Part Number:TPS23880Dear Team,The customer uses our EVM TPS23880 4-pair to test Sifos, some of the test items fail.Do you have any ideas why?(Please visit the site to view this file)(Please visit the...
View ArticleUCC28742: Are there soft start function?
Part Number:UCC28742Hi team,Does this have soft-start function?I guess this doesn't have, so could you tell which AC/DC controller devices have the function?I would like to know it as a...
View ArticleBQ34Z100-G1: questions
Part Number:BQ34Z100-G1HiMy customer have some questions about bq34Z100-G1.Question1There is a wiring distance between the battery and the system board (bq34Z100 mounted).The wiring impedance may be...
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TPS61098: TPS610985 design issue
Part Number:TPS61098Dear TI experts,We are designing a voltage booster using TPS610985 for smart lock application. The system needs to boost input voltage from 2V to 3V output and deliver 100mA...
View ArticleLMG1020: Is there requirement for the input frequency?
Part Number:LMG1020Since the switching frequency of this pulse driver (LMG1020EVM-006) is 0.1-1MHz shown in the datasheet, what if the frequency of control signal is lower than 0.1MHz, like 40KHz?In...
View ArticleLMZM23600: LMZM23600V3 problem & recommendations
Part Number:LMZM23600Hi Sir,I use a LMZM23600V3 module with a MCU circuitry (MK20DX256VLH7) and some SPI devices (MAX31855KASA+). The global circuitry is a thermocouple temperature sensor to CAN bus...
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TPS63031: Can output keep stable when the input continuously fluctuates
Part Number:TPS63031Hi team,My customer is evaluating TPS63031 to output 3.3V from a battery. The voltage of the battery ranges from 4V~2V. However, the battery also supplies for other load. When the...
View ArticleLM2852: LM2852YMXA-3.3 Output Voltage need to be adjusted
Part Number:LM2852I am using part LM2852YMXA-3.3 in my design. I am getting 3.298Volts as output.I need to increase the voltage to 3.4 Volts. In What way i can adjust the output voltage?If connecting a...
View ArticleTPS54201: Whether the TPS54201 is ok to be used here?input 10.8~13.2V,...
Part Number:TPS54201hi team,my customer has a new requirement below input 10.8~13.2V, 3series led(each led voltage drop is 3.1v, total 9.3v),current is 1.5A.Whether the TPS54201 is ok to be used here?...
View ArticleBQ25710: Is there any condition that BQ25710 will set the IinDPM value back...
Part Number:BQ25710Hi team,Since the Input current register in 0x3F is defaulted as 3250mA, is it necessary to write 0x3F later by EC if we just want to use the defaulted value?Are there any conditions...
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