RE: About Safety standard for DRV591
Hi Ito-san, Our expert has been notified and should reply soon.
View ArticleAbout Safety standard for DRV591
Hello, To whom it may concern. Our customer is considering to use DRV591 that is for Laser driver. Does the DRV591 comply with IEC60825-1 and FDA [21CFR Part 1040.10]? Best regards,
View ArticleRE: TI sells faulty kits ... Purchased DRV8412-c2-kit does not work
Hi Daniel, I am sorry to hear of the problems you experienced. Please see www.ti.com/.../faq-returns-and-refunds.page for the return policy.
View ArticleTI sells faulty kits ... Purchased DRV8412-c2-kit does not work
I resolved issues with no driver on the USB stick. I found conflicting documentation for the control board SW3 switch setting is it up or down. What does it do?Neither the the v2 nor v9 gui will make...
View ArticleRE: Temperature of the stepper motor
Hi Phil,Thank you for your good supportI know the ground pour underneath the drv8711 is not good for cooling, but as i experienced with my other Step motor(2.5 Amp), the current increase up to 2.5 Amp...
View ArticleTemperature of the stepper motor
HelloI use drv8711 for driving stepper motor , when i use recommended initial setting in SLVA632 document (Table 2) , after 10 or 15 minutes , motor temperature will increase , and motor is very hot...
View ArticleRE: BoostXL-DRV8301 Current Sensing direction
Hi Mohamed,The output of the current shunt amplifier is set to measure both current and direction. If there is no current, the output should be approximately VREF/2. The voltage then increases or...
View ArticleBoostXL-DRV8301 Current Sensing direction
I would like some help understanding the parameters of the BoostXL-DRV8301 .which a BLDC motor driver(three phase)I want to sense the direction of the current (in or out).what should i do , i can only...
View ArticleRE: Driver selection for BLDC application
As far as the PWN inputs, do I just need to supply it a continuous PWM at specific frequency with duty cycle that corresponds to how fast I need the motor to spin? I assume the DRV8303 takes in the...
View ArticleRE: Driver selection for BLDC application
Hi David, The DRV8303 does not have any internal commutation logic, meaning the external controller must interpret either the back-emf in each motor phase or use hall sensors to determine the proper...
View ArticleRE: DRV5013FA status...
Hi Peter, We will check this and get back to you later. Best regards,
View ArticleDRV5013FA status...
Dear Sirs,Please help to update the DRV5013 FA version status.My customer needs higher sensitivity DRV5013 and found DRV5013FA is OK for them.However, FA version is in preview now.They needs its status...
View ArticleRE: Driver selection for BLDC application
ok I understand now, I was confused on the terminology between integrated and pre-driver. Some of the integrated drivers have the controllers (ie: DRV10x) versus some that don't but have FETs. Also, on...
View ArticleRE: DRV8880 GUI install issues
Hi Martin, Thanks for your response. I have tried your suggestion and although the software installs with administrator rights, once I revert back to my user ID (on my work PC) I can't seem to run...
View ArticleRE: DRV8308 Mysterious Short
Hi Jon, It could be possible that both your High-Side and Low-Side MOSFETs are latched-on from charge deposited on the gate during your testing and assembly. The DRV8308's gate drive is not active...
View ArticleRE: Driver selection for BLDC application
Hi David, If you were to add a series resistor this would limit the current available to the MOSFET gate. However, with the DRV8305 we offer a feature called IDRIVE that allows you to vary the source /...
View ArticleRE: DRV8308 Mysterious Short
Phil, I have used a multimeter to check the state of the MOSFETs when powered off. The high side of the bridge is shorted but the low side is not. There is approximately a 600 Ohm resistance from...
View ArticleDriver selection for BLDC application
I have maxon flat motor EC90 (Part number: 244879) BLDC being used for a AUV application. It runs at 48V, with a nominal speed = 1610RPM, nominal torque = 533mNm, and nominal current = 2.27V. It is a...
View ArticleRE: DRV8308 Mysterious Short
Hi Jon, Could you provide a picture of your PCB and the three half-bridges assembled? The "Use rich formatting" button on the bottom right will allow you to insert images.
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