RE: DRV8305: Daisy chain configuration in DRV8305
Thanks. So daisy chain is not possible. I understand it. Best Regards, Dinesh Jinjala
View ArticleDRV8305: Daisy chain configuration in DRV8305
Part Number: DRV8305Hello,Can I connect three DRV8305 BLDC Driver with same SPI channels through daisy chain configuration? I am using an MSP430G2553 microcontroller. Whatever the answer is but please...
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RE: DRV8842: APLICATIONS FOR THIS DRIVER
Hello, thanks for your suppport. Hello, thanks for your suppport.I attached the motor caracteristics. model 150918the control for this motor I think will made whith the trapezoidal system. .this...
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RE: DRV8842: APLICATIONS FOR THIS DRIVER
Hi user4898660, What is your system voltage? Do you plan to use the 5V or 14V version? I am assuming you are using the 14V version of the 150918 and the optional motor configuration with connection to...
View ArticleRE: Gate Drive Signal Integrity Issues
Phil,PVDD1 is 12VGreen signal is 20V - 10x probe used but scope didn't recognize it. Signal is GHx
View ArticleRE: DRV8701: DRV8701 interferences radiation
Hi oh2229, We will investigate. Can you provide some additional information? What FETs are being used? How is the IDRIVE pin configured? Do you have any scope captures to share?
View ArticleDRV8701: DRV8701 interferences radiation
Part Number: DRV8701Hello,we have designed a motor control board based on a DRV8701 that works fine but we experience EMI trouble.When DRV8701 is in sleep, there are no radiations.When DRV8701 is...
View ArticleRE: DRV8305: Power loss for LDO
Hi Takahashi-san, The allowable current does not increase for lower PVDD. The max current is for the 3.3V and 5V regulator is 50mA.
View ArticleRE: Gate Drive Signal Integrity Issues
Hi Robb,Thank you for the information. What is the state of the nOCTW when the high-side PWM signal drops out?
View ArticleRE: DRV8305: Power loss for LDO
Hello Rick-san I couldn’t understand the reason why the allowable current doesn’t increase.Could you please let me know more detail? Best regards,Hiro Takahashi
View ArticleRE: DRV8844: analog control and amplification for hydraulic solenoid
Hi Ahmed, What results did you get with the setup? How did you connect the EN1 signal? Does the positive output signal from the PLC output exceed 7V with respect to LGND? This violates the absolute...
View ArticleDRV8844: analog control and amplification for hydraulic solenoid
Part Number: DRV8844We need your advice for our PLC control unit that is used to operate several hydraulic solenoids. Our case and requirements are as follows:We have analog controlled solenoids that...
View ArticleRE: DRV8844: analog control and amplification for hydraulic solenoid
Hi Rick1- the output that we get is always 10 volts without even getting any signal from the plc ( always on) 2- we didn't use the EN1 3- the out put of the plc is a modulating output +ve signal with...
View ArticleRE: DRV8839: OUTs VOLTAGE TOO LOW
Hi Fernando, The schematic appears to be good. Have you checked the layout? How are you measuring the 1.3V on the output pins? Are you using a meter or a scope? If a scope, is the output pulsing on and...
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DRV8839: OUTs VOLTAGE TOO LOW
Part Number: DRV8839Hi all,We are using a DRV8839 to drive 2 micro solenoids of 3.3V in a custom board. We have tested the 6 boards (prototypes) and we see the same problem: the thing is that when we...
View ArticleRE: DRV8844: analog control and amplification for hydraulic solenoid
Hi Ahmed, The PLC should provide 0 to 5V. -5V or +10 violate the absolute maximum. The device may have already suffered damage. Please try the following: Remove the load, and replace it with a resistor...
View ArticleRE: DRV8805: Output Current
Hi Ismail, The DRV8805 should be able to drive this stepper at 1A. Only two channels are on. What is the motor voltage in your system? If 8V or higher, the current will be higher than 1A. The current...
View ArticleDRV8805: Output Current
Part Number: DRV8805The DRV8805 can output a current of up to 2-A (single channel on) or 1-A (all channels on) continuous output current (with adequate PCB heatsinking at 25°C).The unipolar stepper...
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RE: DRV8839: OUTs VOLTAGE TOO LOW
Hi Rick,Thank you for your fast response.Yes, I checked the layout and the footprint of the component. In the picture you can see the a capture of the driver section:All the space you can see without...
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