DRV8332 overcurrent and overtemperature tests
Hello support team,I have built a 3-phase buck converter based upon DRV8332 driver. Each channel drives the output capacitor through a 47 uH inductor. It works fine.Now that I have it working, I need...
View ArticleDRV8811 Chopping Current setting
Hi, I have been working on this IC. My query regarding this device is that how does maximum value of chopping current is set? according to functional block diagram in datasheet the Rsense connected...
View ArticleDRV8704 : Driver and Motor power supply voltage range
Dear Support team, DRV8701 can separate VBAT of driver power from VM of motor power according to p.27 in datasheet.Is it possible to separate VM of DRV8704 from the external motor power like DRV8701?...
View ArticleDriving TEC (peltier) module (15V/4A)
Hi,I am planning to use DRV8840 to drive CUI CP40336 peltier module, is DRV8840 even good choice?Is there any application notes or guidelines how to drive TEC module and what should be taken care?This...
View ArticleDRV8824
Works well, but motor rotates in only the counterclockwise direction regardless of the direction pin voltage level. has anyone encountered this, am I missing something, or do I have a defective part?
View ArticleDRV8701EVM
Hi AllI did buy DRV8701EVM board. I would like save installed firmware before I will start developing my SW. How to do it? Thank you.
View ArticleDRV8302
I am working on DRV8302.I have a problem that my GVDD pin sometimes have proper working voltage (10.8V) and sometimes it get to 0V.I don't know why it is happening.I connected a 2.2uF electrolyte...
View ArticleDRV10975 and others to use in quadrotor
Hi! I readed that topic: e2e.ti.com/.../439141and datasheet for DRV10975 and can't clearly understand what RPM range can I expectfrom that IC? I wondering can I use this IC for use in my diy quadcopter...
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A problem that DRV8818 vibration noise is relatively large
Hello, sorry to trouble you to check my design. Tthe design Drv8818 stepper motor driver designed by customer self is more larger than DRV8818EVM in vibration noise . so we would ask what the...
View ArticleTI DRV8x advantages over Freescale MC33887
Hello,Our customer is using the MC33887 and is thinking of using the DRV8873 and DRV884 for two different applications. What advantages do our devices have over the MC33887? Thanks,Josh
View ArticlePower Up Sequence Requirement for DRV8812
When using DRV8812 to drive a stepper, in some cases, step loss can be identified during power OFF -> ON.In this application, stepper VM will be cut when it is not used and power up when it is...
View ArticleDRV8823
Dear Sir.I am using the EVM DRV8823EVM.I do manage to drive a dc motor with the Software supplied by TI .How is it possible to drive a Step Motor with this EVM and the TI's demo software.How the...
View ArticleDRV8301 tolerance
A customer is having an issue: We have been struggling to find an answer to a tolerance issue related to the DRV8301 driver chip that we use in a lot of our products now. Occasionally, we are finding...
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Asking for DRV8818 schematic review for FA case
Hi Team, Can you help review the DRV8818 schematic for the FA case and provide your comment for the fail case? Customer did the FA analysis and found the fail is on the DRV8818.The fail rate is 5%....
View ArticleDRV8432 The motor power supply voltage issue
Hi Team,For DRV8837, we can see the motor power supply voltage is from 0 to 11V and the chip power supply voltage is form 1.8V to 7V from the data sheet.For DRV8432, I need to confirm whether the...
View ArticleQuery -Issue of humming sound coming from motors and Hold /Operating current...
Good evening.This is regarding TI-Motor Driver 'DRV8834PWP' ,humming sound of motor and Operating & holding current through it.We have updated circuit to resolve issue of jerk as per our previous...
View ArticleOCP DRV8871 VS OCP DRV8842
Dear Motor Drive Team.I have a question related to overcurrent protection feature in DRV8871: can it be assimilated to the one implemented on DRV8842 (on each fet) or is it monitored on the entire...
View ArticleDifference betwen DRV8833CPWP and DRV8833CPWPR
What is the difference betwen DRV8833CPWP and DRV8833CPWPR?Is the difference only in cost?
View ArticleDRV595 internal routing
From the DRV595 system block diagram it is clear that the return of the switch transistors are separated from to the other GND pins. There are however three GND pins on the ringht side of the chip. Are...
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DRV8848 not spinning 12V DC brushed motor, 7W
Hello,i am experiencing a bit of a problem using a drv8848 motor driver in my circuit.The drv8848 is used in parallel mode for higher output capability.Furthermore, it is wired up as indicated in the...
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