RE: DRV8839: OUTs VOLTAGE TOO LOW
Hi Fernando, The layout also appears to be good. Please look at the outputs, VCC, and VM with a scope. This usually provides more information. From your description, there could be a problem that the...
View ArticleRE: DRV3205-Q1: About using semiconductor processes and latch-up test
Hi, How is the progress about this question? Best regards, Shimizu
View ArticleDRV3205-Q1: About using semiconductor processes and latch-up test
Part Number: DRV3205-Q1Hi,My customer is using DRV3205-Q1. He has same questions. Could you answer me the following questions, plsease?Q1: Which semiconductor processes does DRV3205-Q1 use? -> CMOS?...
View ArticleRE: DRV8432: Vreg=0.48v
Figure 8 shows Full Bridge Mode Operation. I need to work it in Parallel Full Bridge Mode Operation.Unable to find the fault.Getting frustrated.Please help.
View ArticleDRV8432: Vreg=0.48v
Part Number: DRV8432I am using DRV8432 first time for a motor control application.Gvdd=vdd=12v,Pvdd=12v.I am working in 1PFB mode.M0=0,M1=Vreg,M3=0.RESET_CD=0v.Reset_AB=NC.PWM_B and PWM_B=0.After power...
View ArticleRE: DRV3201-Q1: DRV3201-Q1 Reduce noise level during sensitive current...
Hello William-san,1) Customer did not specify the Tj and VS condition for each propagation delay. I will get these condition form customer and send it to you.2) Please advise how long does it take...
View ArticleDRV3201-Q1: DRV3201-Q1 Reduce noise level during sensitive current measurement
Part Number: DRV3201-Q1Hello,Customer wants to know some information to realize following that is explained in datasheet(SLVSBD6D) page 26.“To reduce noise level on the chip the boost converter can be...
View ArticleDRV11873: DRV11873 for very slow speed gimbal motor control
Part Number: DRV11873Hi,Can I use this DRV1183 to drive a blcd gimbal motor at very slow speed? and I need a very smooth, control from zero speed to start moving.B.R.Salvador
View ArticleRE: DRV10866: DRV10866
Hi Rolf, If you are planning to use 5.5V 100% duty cycle, the maximum speed is limited by the motor specification rather than motor driver. Under the same condition, you just have described, different...
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DRV10866: DRV10866
Part Number: DRV10866Dear Support team I have one question regarding DRV10866 The datasheet has very little information about the maximal and minimal frequency.In this forum, I have out, that the range...
View ArticleRE: DRV8307: Using CSD18540Q5BT MOSFETs with DRV8307
Rick, What I need right now is some confirmation that: 1) the schematic connections look correct 2) the DRV8307 as connected should drive these MOSFETs reasonably well i.e. that I haven't made any...
View ArticleRE: BOOST-DRV8711: Using the BOOST-DRV8711 with the MSP432
Hi Jordan, The MSP432 should be able to control the DRV8711. Have you examined the SPI transaction using a scope to confirm proper operation? Once you have ported the code, are you trying to use the GUI?
View ArticleRE: DRV8805: Output Current
Hi Ismail, The design team has confirmed the connections to the DRV8805 as shown in your schematic should work. You will still need VM (pin 1) to be above 8.2V for the device to operate. Also VCLAMP...
View ArticleRE: DRV8305: Power loss for LDO
Hi Takahashi-san, Because we do not provide a saturation line for the internal LDO MOSFET used to regulate VREG, we do not specify different VREG output currents based on different VIN voltages. The 50...
View ArticleRE: DRV8701: DRV8701 interferences radiation
Hi oh2229, We're looking into what this harmonic could be with our designer. I will let you know as soon as we have a response.
View ArticleRE: DRV8307: Using CSD18540Q5BT MOSFETs with DRV8307
Hi Stephen, Are you able to measure both UGH_GATE and ULS_GATE when these signals transition? the 240 Ohm UGH_GATE resistor may be causing the high-side gate to slew slowly, resulting in some amount of...
View ArticleRE: DRV8307: Hall sensor spacing
Hi Phil, Yes the device is compatible with 120 degree spaced hall sensors.
View ArticleDRV8307: Using CSD18540Q5BT MOSFETs with DRV8307
Part Number: DRV8307I am using the CSD18540Q5BT MOSFETs in place of those suggested in the DRV8307 example schematics. I'm running into some issues debugging my custom board and was hoping someone...
View ArticleRE: DRV8307: Hall sensor spacing
Hi Rick, Thanks for the reply. I've tested two types of motors on the DRV8307EVAL boards; one has 120 deg spaced halls and the other has 60 deg spaced halls. The 120 deg motor doesn't work at all, but...
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