Part Number: TPS61500
Hi, I have issue with TPS61500 it stop switching when input voltage is lower than 4.2V, but works perfect on higher voltages. In attach i collect some waveforms and schematic. Load is 4 LEDs, with 12V on them and only 300 mA of current. Do you have any idea, why my design doesn't work?
(Please visit the site to view this file)
Part Number: DS90UB949-Q1
Hi Team,
Could you please kindly help to confirm if our DS90UB949-Q1 support forward channel CRC function? Since i found most of the description on datasheet about CRC is for the back channel,expect following one, but i am not sure if this is for forward channel? Could you please kindly help to confirm it? Thank you very much for your kindly support.
Best regards
Jessica
Part Number: DRA787
Where I could find examples which:
and runs simple example on selected processors of the DRA7xx
Regards
Part Number: TMS320C6678
Hi,
The customer wants to use 3 DMA channels, when requested the third channel program returned -132. He had modified ownDMAChannels to increase maximum channels that can be requested and it still failed. Any other options should be configured?
He used edma3_lld_2_12_05_30\examples\edma3_driver\src\dma_chain_test.c.
Part Number: TPSM84624
Hi there,
One of the TI guys mentioned that the bode plot simulation for this device to be enabled by the end of April 2019, but still it is not present WEBENCH® Tool.
Do you have any plan / schedule for this?
Thanks & BR,
Ghasem
Part Number: AFE2256
Dears,
We are doing hardware design, you know bonding need to heat at the time. If bonding expands, it may be welded, so we must consider the design of welding pad pitch. Please provde the coefficient of thermal expansion of AFE225, Thank you.
Part Number: TS3DV642
Could you please provide layout file of TS3DV642A0RUAR and package of PCB chip? Thank you!
Part Number: AWR1843BOOST
Tool/software: Code Composer Studio
Hi,
I have imported the object data over can demo in the CCS but i'm getting error when i build the project.
Even after adding all from other projects,there was some error during linking.Please let me know how to handle this error
Regards,
Vimal
Part Number: OPT3001
Hi Team,
OPT3001 mentioned its output performance shown in figure 3 (page 4) in the app note. However, my customer did not see figure 3 in the application note. Would you please update the application note?
http://www.ti.com/lit/an/sbea002a/sbea002a.pdf
Thank you.
Best regards,
Andy Chu
Part Number: TDA2PXEVM
Hi Mayank,
Many thanks for your reply.
It is valued to understand the sensor register. I updated the few things as per your reference and modified the setting base on datasheet.
Currently i2c read and write operation is happening, but after few operation its' giving the "GIO_submit:retVal = 0xffffffeb " error
Here is the log snippet.
----------------------------------------------------------------------------
[IPU1-0] 30.168730 s:
[IPU1-0] 30.169005 s: i2cMdSubmitChan: i2c4 transfer to slave address 0x36 failed
[IPU1-0] 30.169157 s: GIO_submit:retVal = 0xffffffeb
[IPU1-0] 30.169218 s: src/bsp_deviceI2c.c @ Line 351:
[IPU1-0] 30.169310 s: I2C4: DEV 0x36: RD 0x19 ... ERROR !!!
[IPU1-0] 30.169401 s: src/bsp_deviceI2c.c @ Line 418:
[IPU1-0] 30.169493 s: I2C4: Error timeout 1 ms!!!
[IPU1-0] 30.169584 s: BspOsal_semPost enabled
[IPU1-0] 30.169645 s: GIO_submit3:retVal = 0xffffffeb
-----------------------------------------------------------------------------------
Pls help to check.
Thanks
Mausam Sinha
Part Number: ADS8363
I’m trying to use the ADS8363 with its advertised 1MHz sampling rate and have some problems with the behavior of the BUSY signal. I’m using the full clock mode 1 with a 40MHz clock and channel information disabled (CID=1). I have RD and CONVST connected together so I can’t control them individually.
The datasheet states (table 7.9 switch characteristics, t_D2) that the BUSY signal should transition to low after the 24th rising edge in full clock mode. However the timing diagram in figure 2 seems to show the 25th rising edge. Actually I’m seeing both variants in my setup and I can switch between them by inserting additional clock cycles. Normally I output 40 clock cycles per conversion, but using 41 cycles for one conversion switches between BUSY going low on the 24th or 25th rising edge.
So normally I would assume the worst case and then start reading on the 25th cycle, but then the LSB of the data overlaps with the next conversion. When setting CONVST/RD high the ADC seems to drive SDOx low and my LSB is always 0. Similarly starting to read on the 24th cycle gives a corrupt MSB in the case when BUSY goes low at the 25th rising edge.
How do I use the ADS8363 in full clock mode with 1MHz sampling rate? I’ve attached some screenshots showing the timing of CONVST/RD. The signals are as follows: CH1 -> CLK, CH2 -> CONVST/RD, CH3 -> BUSY.
CONVST rising edge:
CONVST falling edge:
Part Number: TMS320F280049C
Hi,
Currently I am working with LIN/SCI module on TMS320F280049C MCU and trying to add DMA functionality to it. LIN module is used as SCI.
First of all I would like co complain that there is no examples describing LIN+DMA at all (I've checked the latest C2000ware available on TI site). Though I am already familiar with Piccolo MCU's, it was a real challenge to make transmission with DMA working correctly. For example SET_RX_DMA and SET_TX_DMA bits of SCISETINT register are not described in c2000ware peripheral library. In the latest TRM (August 2019) they are described as bit_16 and bit_17 but in structure SCISETINT_BITS these bits are describet as reserved ! But as long as it works I consider it as solved problem.
The latest problem I have encountered is that sci doesn't trigger DMA when address frame is received.
I chose idle multiprocessor mode because address bit would ruin needed frame format. In this case every byte which is received after an lDLE period is being considered as address byte. And I noticed that instead of DMA trigger I get RX interrupt generated. SET_RX_DMA bit is set and SETRXINT is cleared.
Then I found this paragraph in the TRM (at page 2491, paragraph 27.2.3.1 Receive DMA Requests):
In multiprocessor mode, the SCI can generate receiver interrupts for address frames and DMA requests
for data frames or DMA requests for both. This is controlled by the SET RX DMA ALL bit.
This looks exactly like that what I need - both address and data frames should trigger DMA transfer.
However the described SET_RX_DMA_ALL is not even mentioned anywhere else. Is it possible to know an address and a description of this bit?
Looking forward to hearing from you.
Regards,
Vladislavas
Part Number: TAS5805-SW
I have buy the TAS5805EVM. I want to get the soft. I have install PPC3.
Thanks.
Part Number: TPS62825EVM-794
Hello, team.
I use TPS62825-EVM board with some parts value changing.
C1=22u
C2=22u
C4=no
C8=100u
R1=680k
R2=82k+56k
C3=100pF
JP1=1-2
JP2=ON
My setting is
Vin=3.7V
Vout=3.5V
I tried to watch the waveform of Vout when increasing output current.
But the waveform appears to vibrate.
Is this why?
I have confirmed that it occurs near Vin=Vout.
Is there something wrong with my circuit?
Part Number: CCSTUDIO
Tool/software: Code Composer Studio
Hi,
I have created a DSS javascript to automate the debug process where I am running some testcases in regression. That DSS javascript is for a single debug run and I am running it in a loop using a wrapper .cmd script.
In that DSS script I run some GEL functions to get the status of a testcase. Now I want to write that status to a local .txt or .csv file. Please help me with this output file write.
My .cmd script:
[..
..
dss single_run.js parameter1
..]
My DSS script:
[....
....
var status = debugSession.expression.evaluate("poll_test_status()");
...
]
Now I used tracewrite to verify that the variable 'status' has the intended data.
I just want to know how to create an output.txt file and write { parameter1 status \n} in the outfile through my DSS javascript.
Thanks,
Saurabh
Part Number: LMR14030-Q1
Hi team,
I would like to know the input current of LMR14030 at sleep mode especially under 1uA to 1mA load current range.
Could you give me a plot data of the efficiency?
Vin = 12V, Fsw=500kHz(does it matter in sleep mode?), Vout=3.3V
regards,
Part Number: LM5155
Hi team,
i would like to know whether LM5155 can be used in below applicaiton? If not, any more suggessed solution? Thanks.
Part Number: CDCE913
Hi Team,
I believe SSC function is supported to all VCO frequency range which is from 80MHz to 230MHz, am I understanding correctly ?
If there is any limitation, please let us know.
Thanks and Best Regards,
Kawai
Part Number: DRA783
Hi Jacinto Team,
We recommend in the DRA78x Datasheet that unused ADC Channels should be terminate with an 10k Resistor to GND. If it possible to combine these channels together and connected it with only one resistor to GND?
Thanks for help and best regards
Jens
Part Number: CDCE706
Hi Team,
I believe SSC function is supported to all VCO frequency range which is from 80MHz to 300MHz, am I understanding correctly ?
For CDCE706, I found the table in the datasheet (SNAS815I) page 20 that shows fvco range only from 100MHz to 167MHz.
What is this range ? Is there limitation ?
Thanks and Best Regards,
Kawai