DRV8885 EMI
Hi,I am planning to use DRV8885 for the POS Printer design, but I would like to understand more on this device on EMI issue. Has TI done any EMI test on this device, especially when operating in the...
View ArticleRE: DRV8885 EMI
Hi KH, We will look to see if EMI data was collected in fast decay. Please note, your EMI could be affected by your layout.
View ArticleRE: DRV 8307 GATE Current capacity
Can you tell me how Fclk and Filter and Compensator pole-zero frequency are related?
View ArticleDRV 8307 GATE Current capacity
I found that in the data sheet of DRV8307, It is written that 'DRV8307 is a three half- bridge pre-driver that drives six N-type MOSFETs 30 mA with a single power supply.' While in this linked...
View ArticleRE: DRV8838 EN pin question
RIck,(Please visit the site to view this file)Our application have 2 switchs( see attached) when motor turn until material attach on the end of rotor reach either switch, DRV8838 will stop and then...
View ArticleRE: TMS320LF2403 DSP with XilinX chip XC9572
Hi Curtis, Can you post a higher resolution image of the front and back? This may help identify the board.
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RE: DRV110 PWM Signal - FET not coming fully on every time
Upon removal of R8, this is the oscilloscope signal from the output side of the driver.
View ArticleRE: DRV8838 EN pin question
Hi NT, When the switch is reached, nSLEEP is set to logic 0. What removes the logic 0 on nSLEEP so the motor can run the other direction?
View ArticleRE: DRV110 PWM Signal - FET not coming fully on every time
Jordan,In the scope shots in your original post, what signals are the blue and yellow lines showing?Try removing R7 and drive the gate of the FET directly from OUT. I think the slewing you are seeing...
View ArticleRE: DRV8305 Ringing
Hi Kyle, The design team has confirmed the internal oscillator frequency is approximately 57MHz. This will vary some based on process.
View ArticleDRV8305 Ringing
Please advise on the customer feedback and questions below: We are using the DRV8305 FET driver and are having some issues with it. Here is a summary of what we are seeing on the TI DRV8305 part.If we...
View ArticleRE: DRV10983 EVM Damaged after first power on
Hi Aaron, Our experts have been notified and should reply soon.
View ArticleDRV10983 EVM Damaged after first power on
I am having an issue with the DRV10983 EVM. On first power up I use the out-of-box quick setup guide to get the motor that was provided with the board running. Everything works fine I can get it...
View ArticleRE: TMS320LF2403 DSP with XilinX chip XC9572
Hopefully the picture i uploaded helps...!!
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RE: TMS320LF2403 DSP with XilinX chip XC9572
Hi Curtis, The images do help. Unfortunately I don't recognize the board. Perhaps someone else might. If might help if you can focus on the lower left corner of the bottom image posted. There are some...
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TMS320LF2403 DSP with XilinX chip XC9572
The previous product development guy brought these DSP/CPLD chip which is combination of TMS320LF2403 and Xilinix chip XC9572 4 years ago in thousands and installed these on the boards. Since he...
View ArticleRE: high-side and low-side solenoid control
I would like to control a solenoid using the current control function, also another mode using up to 10 kHz pwm on high-side, and another mode using pwm on low-side. Would the DRV8842 be better?
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RE: DRV8308 drive the high speed BLDC
1) What voltage is being used? 24v2) What are the register settings?3) Can you provide scope captures of the three phase outputs in addition to the phase current?i don't have more current prob now. It...
View ArticleRE: DRV8308 drive the high speed BLDC
Hi Jie, Thank you for the information. Could you supply scope captures of the driver 6 gate signals? If you change the SYNREC register in the GUI to zero do you get better performance? For your current...
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