Part Number:TPA3110D2
Hello TI,
The attached are the test report of my TPA3110D2 schematic, due to I don't have AP instrument, therefore I use LC filter to get sinewave. based on the test report, the output waveform(math channel) has been cut off,
1. will it damage or burn speaker?
2.How do I get prefect sinewave of speaker? reduce input volume or modify Plimit?
(Please visit the site to view this file)(Please visit the site to view this file)
thanks
webber
Part Number:TPS65987D
Greetings,
We have an application where the expected functionality of the Type C USB Port is to:
Discharge at 5V/3A (Act as a DFP when a UFP is connected on the port)
Charge at any voltage (5V/2A to 20V/3A) based on the available voltage if any DFP is connected on the port.
Support dead battery based wake up to negotiate the basic PDO to charge the target application.
To help me do this, I have been referring to the Host Interface TRM: 
This TRM does not contain the exact flow chart/ message sequence that needs to be initiated to configure the PD controller as per the application needs.
There is going to be swapping of roles as a DFP/UFP which is also going to be dependent on the target application.
I am also not sure if the TPS6598x Customization Tool would be helpful for mass production. This system has to be optimized for high volume production.
Can someone help me out with the application flowchart for programming the host interface with the PD Controller? Are there any example codes for initialization over I2C when the PD Controller acts as a Slave?
Thanks!
Part Number:UCC28951-Q1
Hello
I'm designing dc dc converter of 1.32KW for battery charging.
specifications : Vin 310-410VDC
vout 13.2 V and 100A
Here are the schematics of power circuit and control circuit(Please visit the site to view this file)
(Please visit the site to view this file)
1) we have designed for 100A output and initially we are testing for 13.2V and 25A output.
RRE and RS in the control circuit schematic is 7.2k and 72 ohms respectively(for 25A testing) and for 100A we got 2.2k and 22 ohms. actual calculated values of CZ ,CP , and RF are 8.54nF ,854pF and 18.6Kilo ohm respectively. and we implemented the control circuit as in the schematics and other changes we made except those values.
2) We gradually increased the input dc voltage from 0. we have seen the output voltage and current is also increasing significantly. At 290Vdc input, we got 13.2 V and 1A (10 ohm resistive load at output) at the ouput.But we have not reached to our operating range i.e 310V - 410V , we increased the voltage to 300 , the output started fluctuating between 0 V to 14V . stiill we increased to 310,now the mosfets (QB,QC, QD) had blown out.We had seen it for two times happening the same at that voltage and above.
we have taken mosfets(QA,B,C,D) rating 1000V,35A .
what might be the issue and problem?
help us
Thanks and regards
rajashekar
Part Number:DRV8301-69M-KIT
I am building a system that needs to implement both position control aswel al the velocity control.
As i noticed there are a few differences in these systems.
I based my tests and analizes on motorware lab 12b and lab 13c.
Both work fine a individual labs but it gets harder when I want to mix up both controls into 1 system.
The motor parameters for both systems are different as describered in main.h and pain_positions.h
As I have tried last week, I think i can just add in the missen parameters from main.h to main_position.h and work from there in lab 13c.
The biggest problem is that they both utilize an ST handle and object and these object differ allot from each other and I haven't been able yet to get both systems to work together
Can I get any info on the best practice to combine these two systems?
A little side question is about online_Rs calculation.
I use this value to create a temperature measurement as suggested in one of your documents.
But the Rs value tend to spike or dip allot giving many false positives to my over temperature protection.
My Rs was calculated to be 0.72ohm at room temperature and the values spike and dip to about 1.17ohm and 0.24 ohm.
Any chance there is an explanation for this? and an solution?
Thanks,
Alain
Part Number:DRV8320
Hi
We can refer following blog and it offers Ipulldown at figure 4.
How to realize this strong pull down?
Does the strong pull down mean the internal pull down resistor shown as 150Kohm in following block diagram?
BestRegards
Part Number:SM470R1B1M-HT
i download SM470R1B1M-HT demo by IAR,but it can not run to main,always dead in same place,anybody have suggetion?TKS
BEST REGARDS
SHI ZHONGNAN
Part Number:TMS320F28379D
I want to generate PWM of 70Hz using gpio0.
My question is how to generate pwm with varying duty cycle for perticular time.
Minimum on time for pwm, i want to set 1100us and it could vary till 1900us within user defined time period.
Part Number:IWR1443BOOST
Tool/software: TI-RTOS
I want to download mmWave studio 1.00.00 version
but... I don't find this version
please let me know where is mmwave studio 1.00.00 version
Part Number:TMS320C6748
Hi Team,
What the different between TMS320C6748EZWTA3/TMS320C6748EZWTA3E? What the mean of E in the end of the part number?
Thanks,
Shlomi
Part Number:BEAGLEBN
Tool/software: Linux
Hi all,
I want to change pinmux in default BB-CAPE-DISP-CT4-00A0.dts due to the custom cape PCB layout.
after trying to compile the dts using:
dtc -O dtb -o BB-CAPE-DISP-CT4-00A0.dtbo -b 0 -@ BB-CAPE-DISP-CT4-00A0.dts
I had an Syntax Error on # include lines, I've tried to change # include to /include/ but the I've got again Syntax Error from includes
Apparently it's because includes use C syntax (#define) and you have to precompile dts file with C++.
Can you help me with this?
PS which include shoud I use for dtc: -i /opt/source/dtb-4.4-ti/include/dt-bindings/ or: -i /opt/source/dtb-4.14-ti/include/dt-bindings/
I'm working on BeagleBone Green with 9.5 Debian IoT
Part Number:CC3120
Hello,
I am facing a problem while porting CC3120 drivers to STM32. It is showing error that MutexP_Handle and SemaphoreP_Handle undefined even I undefined SL_PLATFORM_MULTI_THREADED as mentioned in programming guide, SWRU455E and it is also mention in guide that "Implementation of OS Adaptation Layer is not required if the host application is based on a non-OS environment".
Will I have to implement sl_SyncObj/sl_LockObj in non os environment also? If yes, then what is the procedure to implement these object in stm32 platform?
Could you suggest any example for porting the driver of CC3120 to STM32 platform.
Part Number:IWR1642
Hi,
In swru522c.pdf, customer found below info. But in IWR1642 datasheet, the max ADC sample rate for complex is only 6.25Msps. Would you pls kindly advise if IWR1642 can achieve 18.75Mhz ADC sample rates at 12-bits complex?
2.1.1.1 Features
• 12, 14, and 16-bit Real/Complex ADC With Variable Baseband ADC Sampling Rates up to 18.75 MHz at 12-bits Complex
Part Number:TSW1400EVM
We bought TSW 1400 with ADC3422EVM board and works normally,
and we would like to know how to direct the LVDS signal from ADC to DAC connector(J4)?
TSW140x user manual:
http://www.ti.com/lit/ug/slwu079d/slwu079d.pdf#page=3
Is there has any function or physical switch to do that?
the goal we expect is to get the LVDS from ADC EVM board via GPIO port (maybe a HSMC to GPIO extension board or something?), but it seems we have to get he signal through the TSW1400?
or is there has any other way we could do this?
thank you
Part Number:CC1310
Tool/software: TI-RTOS
Hi, we using cc1310 in our project.
Here the code fragment:
#define DEFINE_LED_FOR_TRANSMIT_ACTIVITY_MONITORING(led) IOCPortConfigureSet(led, IOC_PORT_RFC_GPO3, IOC_STD_OUTPUT)
DEFINE_LED_FOR_TRANSMIT_ACTIVITY_MONITORING
.......
DEFINE_LED_FOR_TRANSMIT_ACTIVITY_MONITORING(GPIO_TX_SIGNAL); RF_cmdPropTx.condition.rule = COND_ALWAYS; RF_cmdPropTx.startTrigger.pastTrig = 1; RF_cmdPropTx.startTrigger.triggerType = TRIG_ABSTIME;
//1st time RF_cmdPropTx.startTime = RF_getCurrentTime();
RF_RUN_CMD_signal.set(); //set GPIO RF_RUN_CMD
RF_EventMask result = RF_runCmd(m_rfHandle, (RF_Op*)&RF_cmdPropTx,RF_PriorityNormal, NULL, 0); TxActive.clear();
RF_RUN_CMD_signal.clear();
//2nd time
RF_cmdPropTx.startTime = RF_getCurrentTime();
RF_RUN_CMD_signal.set(); //set GPIO RF_RUN_CMD
RF_EventMask result = RF_runCmd(m_rfHandle, (RF_Op*)&RF_cmdPropTx,RF_PriorityNormal, NULL, 0); TxActive.clear();
RF_RUN_CMD_signal.clear();
//3rd time
RF_cmdPropTx.startTime = RF_getCurrentTime();
RF_RUN_CMD_signal.set(); //set GPIO RF_RUN_CMD
RF_EventMask result = RF_runCmd(m_rfHandle, (RF_Op*)&RF_cmdPropTx,RF_PriorityNormal, NULL, 0); TxActive.clear();
RF_RUN_CMD_signal.clear();
....
So TX_signal operated by RF core during transmitting
and RF_RUN_CMD_signal set before entering to RF_runCmd() and cleared after exit from RF_runCmd() function.
Here the scope:
As we can see 1st time it takes ~8 ms to exit from RF_runCmd() function.
Next time exit immediately after end of transmission.
Q: what goes wrong?
BR
Leonid
Part Number:MSP430FR2110
Tool/software: Code Composer Studio
Dear team,
I am using MSP430FR2110 and i want it in LPM3 WITHOUT External 32.768kHz.
I tested it without External 32.768kHz and the current was 17uA ( i want less than 3uA). It is too high.
How could i do?
BR,
Susan Yang
Part Number:DP83822I
Dear support team, I have 2 questions. Could you give me answer for followings? Q1. I observed Energy Detect Interrupt (b14) turns to 1 even though Energy Detect Interrupt Enable (b6) is 0 at MISR1 (0x0012) register. What is the case the b14 is set by 1? Q2. I observed MDI Crossover Change Interrupt (b11) turns to 1 even though MDI Crossover Change Enable (b3) is 0 at MISR2 (0x0013) register. What is the case the b11 is set by 1?
Part Number:TPS3852
Hi,
This is Sanjay
I have developed a watchdog circuit using TPS3852G33DRBR on a General purpose Board and found not functioning. I have stopped the WDI pulse by making it continuous High or Low to get the RESET out. But, it is not generating any RESET pulse. But, Manual Reset is functioning. Please do suggest for any modifications(Please visit the site to view this file)