Forum Post: LMR66430: ISO7637-2-Pulse 2a test
Part Number: LMR66430 Tool/software: Hi Sir, My customer would like to use LMR66430R5RXBR(operating freq at 2MHz) to pass the ISO7637-2-Pulse 2a test. They will add a 58V EMI/EMC protection component...
View ArticleForum Post: UCC25600: UCC25600 Tina Simulation Model
Part Number: UCC25600 Other Parts Discussed in Thread: TL431 Tool/software: Hello, I'm using UCC25600 for LLC converter with the following specifications:- Input Voltage :- 665Vdc Switching Frequency...
View ArticleForum Post: RE: TPS552892: spec check
Hi Gareth, Thanks for reaching out. May I know the customer name and application here? I will check internally. BRs, Bryce
View ArticleForum Post: BQ78350-R1: SMBus Communication Issue with BQ78350 and RH850/F1KM...
Part Number: BQ78350-R1 Other Parts Discussed in Thread: BQ78350 Tool/software: 1. Project Setup Host MCU: Renesas RH850/F1KM (R7F701647) Slave Device: Texas Instruments BQ78350 (SMBus Battery Fuel...
View ArticleForum Post: RE: TPSF12C3-Q1: TPSF12C3-Q1
Hi, Thank you for your feedback. I provided the data in excel without FFT, but I cannot extract the "CM Noise Transfer Gain, GCM = |VCM-LISN| / |VSW|" graph in the excel from the simulation. For...
View ArticleForum Post: RE: TPSM82864A: Noise on VIN
In the scope shot above, the 3V3 TPSM has been disabled. The remaining (active) TPSMs are for 1V2 and 1V0. 1V8 is the TPS82130 that picks up the noise. 1V0 shows the corresponding TPSM output, 1V2_SW...
View ArticleForum Post: UCC28C56H-Q1: Currently I am working on Wide range input Buck...
Part Number: UCC28C56H-Q1 Tool/software: Currently I am working on Wide range input Buck converter. Input Voltage(Input is from battery) is 14.4Vdc to 154Vdc, o/p voltage is 12Vdc, o/p Current is...
View ArticleForum Post: RE: TPSF12C3-Q1: TPSF12C3-Q1
Hi Mehmet, I would recommend you to work on two graphs from the excel sheet which makes more sense. 1. AEF Gain Plot 2. Loop stability gain and phase plot. I think these plots would help you...
View ArticleForum Post: TPS7A83A: Dip in output voltage
Part Number: TPS7A83A Tool/software: Hi, We are using TPS7A8300ARGRR for generating 3.3V from 6.5V. (6.5V input is generated by LTM8023EV and 3.3V output feeds to LMK61A2-100M00SIAT) We see a dip in...
View ArticleForum Post: LMZM23600: Input current formula or example incorrect.
Part Number: LMZM23600 Tool/software: Reading the datasheet, I noticed the example in 9.4.2 dosn't match the result of formula 4 when using the provided values. With Vin=12V, Vout=5V, Iout=0.5A and...
View ArticleForum Post: RE: TPS26750: Problem with sourcing sequence using an EC
It fires the 34th and 5th bit in event1 so Can Provide Voltage or Current Later Error and Data Swap Complete. So far I have been clearing all event1 bits after doing a task for the IRQ line to go high...
View ArticleForum Post: RE: LMG3422R030: Fault Issue with RDRV Resistor
Hi Adithya, Please check my comments below: I want to confirm that if a 68k Ohm is used the FAULT is triggered and it will disappear with 47k Ohm Yes, Rrdrv. What are the test conditions that are...
View ArticleForum Post: RE: TPSF12C3-Q1: TPSF12C3-Q1
Hi, Yes, I obtained the 2 graphs you mentioned, but I was wondering how to produce the graph I mentioned (" CM Noise Transfer Gain" ). I still want to produce that graph and analyze it. Do you have...
View ArticleForum Post: RE: LMR33620AP-Q1: LMR33620-Q1
I can see in the waveform there is no voltage at the SW node as well
View ArticleForum Post: LMR54406: Regulation failed 24V at Output
Part Number: LMR54406 Tool/software: Hi there, i have a set of ten prototypes with the LMR54406 mounted. It is used to generate a 5V from 24V. Problem is: three of the ten prototypes are not working...
View ArticleForum Post: RE: TPS65217CEVM: PGOOD and LDO_PGOOD sense accuracy.
Thank you Sathish for the answer. I have a few more questions, just to clarify by doubts. Is it means that the threshold is +/-10% of the measured voltage, or of the supply (3V3)? Is the temperature...
View ArticleForum Post: BQ40Z50: SoC response in big steps and not smooth
Part Number: BQ40Z50 Tool/software: Hello, I am working with BQ40Z50 (or more specifically the dev kit -EVM). I have 3 3.7V batteries - ca 12V. I read the SoC every 5 seconds. I can read the SoC - all...
View ArticleForum Post: TPS23734: Wi-Fi 7 Mesh Router PoE PSE/PD solution recommendation
Part Number: TPS23734 Tool/software: Dear Madam/Sir, I’m currently looking for a suitable PoE PD and PSE solution for a Wi-Fi 7 Mesh Router project with the following power and interface requirements:...
View ArticleForum Post: RE: TPS23882B: TPS23882B1RTQR : Not Powering ON as expected
Hi Sir, Please ignore the earlier waveforms. In board we have GND & 48V_GND, The above waveforms are captured without shorting the grounds. Please find the waveforms with shorting the grounds....
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