RE: DRV8701: nFault during driving div. motors
Ladies and gentlemen,we use the DRV8701P in a prototype design. After some experience with this chip we would like to ask you to answer the following questions: The capacitor listed on page 28 with...
View ArticleDRV8701: nFault during driving div. motors
Part Number: DRV8701We would like to use the DRV8701 chip. The circuit is supposed to control different UNKNOWN motors in the area of model toys. The motor types range from brushed motors to...
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RE: DRV8302: DRV8302 to be used with two phase motor
On page 25 of datasheet, I see no vias on phase 3 "shunt" toward GND. Can you check if there should be no VIAS there as it is shown on page 25 datasheet? I marked them red on picture copied from...
View ArticleRE: BOOSTXL-DRV8323RS: Problem identifying using BOOSTXL-DRV8323RS board and...
Hi Gary,Thanks for the feedback. Keep us posted and we will see how best we can resolve. As mentioned, spec wise the amplifiers are fairly similar so perhaps we are dealing with a subtle setup...
View ArticleRE: DRV8703D-Q1: Excessive conducted emissions from charge pump activity
Mark, Good news! I talked to the IC designer for this part, and there should be no issues for adding the resistor on CPL as you suggest. The only concern with adding the resistor in series with the CPL...
View ArticleDRV8703D-Q1: Excessive conducted emissions from charge pump activity
Part Number: DRV8703D-Q1I’m seeing conducted emissions when the DRV8703 is not held in sleep mode, with a fundamental around 130-140kHz and many higher-order harmonics. This happens whenever the...
View ArticleRE: DRV8302: DRV8302 to be used with two phase motor
Hi Zhivko,Yes, there should be vias at the location highlighted. Thank you for pointing this out.
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RE: DRV8835: absolute maximum ratings
Hi Rick-san,Are there absolute maximum ratings for AOUT1/2 and BOUT1/2 voltage of SN1401039?Our customer have overshoot voltage as 0.8V in their board.Can I propose the following absolute maximum...
View ArticleDRV8835: absolute maximum ratings
Part Number: DRV8835Hello,Are there absolute maximum ratings for AOUT1/2 and BOUT1/2 voltage ?Our customer cares about the spike voltage at above output pins that is generated when the motor is...
View ArticleRE: BOOSTXL-DRV8323RS: Problem identifying using BOOSTXL-DRV8323RS board and...
(Please visit the site to view this file)Hi Gary,Did you download the reference code as below link to run the lab02c for motor...
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RE: BOOSTXL-DRV8323RS: Problem identifying using BOOSTXL-DRV8323RS board and...
(Please visit the site to view this file)Hi Gary,I tested a hobby motor on boostxl-drv8323RS board with F28027F launchPad using the reference code as below linkThe motor is low resistance and low...
View ArticleRE: BOOSTXL-DRV8323RS: Problem identifying using BOOSTXL-DRV8323RS board and...
Thanks Yamming,It is good to know that the same setup is working for you. This could point to a problem with something I am doing. I am out of office for a few days, but now I suspect maybe my 24 volt...
View ArticleRE: BOOSTXL-DRV8323RS: Problem identifying using BOOSTXL-DRV8323RS board and...
Gary, Right. Added 0.1uF for phase voltage sensing (C9,C10,C11).
View ArticleRE: DRV10987EVM: GUI parameter file
Hey Eric, After trying to recreate the problem a few different ways on the bench, can you confirm that the USB2ANY Firmware is of 2.7.0.0? You should have gotten an error to update the firmware upon...
View ArticleRE: DRV11873: Lock Detection functionality
Hi I appreciate if you could reply. BestRegards
View ArticleRE: MSP-EXP430G2: Cannot read the data of DRV8711 on BOOST-DRV8711
Hi RIck, Would you please provide your comments? Best regards. Kaka
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RE: DRV10987EVM: GUI parameter file
Hi Cole,The below is our USB2ANY firmware version for your check again. It seem V2.7.0.0 version.BTW, the below is full screen error message inculde GUI for your check again and now use OS is...
View ArticleRE: DRV8884: Motor Current not stable
Why the driving current of DRV8884 is not stable?
View ArticleRE: DRV8805: Please kindly help to confirm: does drv8805 or drv8806 match...
Hi LI Iwan,The DRV8803, DRV8804, DRV8805, and DRV8806 can drive the motor. Other bipolar stepper motor drivers like the DRV8846 or DRV8884 can also be used if the motor is connected in a bipolar...
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DRV8805: Please kindly help to confirm: does drv8805 or drv8806 match...
Part Number: DRV8805Please kindly help to confirm: Does drv8805 or drv8806 match customer motor to replace sla7033.And please help to recommend more cost-effective device。Thanks a lot!
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