RE: DRV8305: EN_GATE of DRV8305
Hi, Phil-san,Thank you for your support.I can not check for a while because I will be traveling until next Wednesday.Please wait.>The GHx pins are pulled up to VM,It is written that GHx is pulled up...
View ArticleRE: DRV8332: How can i drive drv8332 bldc motor driver with hall effect sensor ?
Hi Hakan, I neglected to point to the www.ti.com/.../DRV8312-C2-KIT This kit is for the DRV8312 which is a lower current version of the DRV8332. The documentation, including the schematic, is available...
View ArticleRE: CCS/DRV10983: DRV10983 Open Loop Problem
I found parameters like in the tuning guide. Here is the my motor link: www.maxonmotor.com/.../16-300-EN.pdf. I am using 18V version. Motor is accelerating to about 0.25 A, and then suddenly stopped....
View ArticleCCS/DRV10983: DRV10983 Open Loop Problem
Part Number: DRV10983Tool/software: Code Composer StudioHi,I have a problem with DRV10983. I cannot control system with open loop. Is there any sample code for open loop ?
View ArticleRE: conversion of dutycycle into PWM
Hello Umair, There are multiple C based code examples for our motor drivers which show how to change PWM depending on duty cycle. What is your application? Do you have a DRV device in mind?
View Articleconversion of dutycycle into PWM
I am working on PLECS where I am converting dutycycle into PWM in C-script.Can anybody guide me
View ArticleRE: DRV8801A-Q1: Overmold on QFN package
Hi Hector, I mean to say that when QFN packages are put through a stressful, heated environment, they can be prone to failures. When this overmold is applied to the PCB, the overmold also covers the...
View ArticleRE: Smallest board space solution for sub-5 watt brushless motor position...
Hi Darrin, I understand board space is a desirable function. To mold the specifications to conform with your design needs, I would recommend going through our Product Selection screen for Brushless DC...
View ArticleRE: Smallest board space solution for sub-5 watt brushless motor position...
Hi Hector, Thank you for the reply. I took a look through those products with integrated FET's. Its seems that none of them provide for motor position control (via a quadrature encoder input for...
View ArticleSmallest board space solution for sub-5 watt brushless motor position control?
Looking for guidance on a motor drive solution that provides motion (position) control of a small brushless motor with incremental encoder. Minimizing board space is desirable. I estimate using a...
View ArticleClik here to view.
BOOST-DRV8711: SPI MISO Not Functioning
Part Number: BOOST-DRV8711I am working to configure the DRV8711 BoosterPack using the SPI register interface on the DRV8711 IC. The MCU I am using is the MSP-EXP432P401R LaunchPad. My code uses the...
View ArticleClik here to view.
RE: DRV8301: SPI Communications Problems
Rick, Below are two different screen captures of the rising and falling edges of the signal. These screen captures were taken on one of the new boards I assembled. The signals do not seem to rise or...
View ArticleClik here to view.
DRV8301: SPI Communications Problems
Part Number: DRV8301Hello,I am currently working on a BLDC motor controller project using the DRV8301. The chip works great, except I can quite seem to be able to correctly communicate with DRV8301 via...
View ArticleDRV8711: We cannot write the MODE bits in CTRL register in active mode.
Part Number: DRV8711Our customer has a question about DRV8711. I'm posting the question for the customer:++++++++++++++++++++++++++++++++++++++++++++++We have encountered the following situation.During...
View ArticleRE: BEST SOLUTION FOR A 48V/200W BLDC MOTOR FOR HANDY TOOL
Hallo Rick,thank you very much for your prompt reply. I would definitively go to DRV8301/02/03 or DRV8320/23, but these last one are not available.If I understood correctly, the family is a Three-Phase...
View ArticleClik here to view.
RE: BOOST-DRV8711: SPI MISO Not Functioning
Thanks for getting back to me, Rick. Here are the screenshots from the scope:^^SPI Write: Yellow=CS, Orange=Clk, Green=MOSI, Purple=MISO^^SPI Read, same signalsThe key difference between my post and...
View ArticleRE: DRV8801A-Q1: Overmold on QFN package
Hi Jared, I understand your question as it being related to how over mold material reacts when being applied above a QFN package and it being put through heating cycles with the CTE value range...
View ArticleRE: DRV8800: Query regarding Phase and NSleep
Hi Rick,Thanks.there is one more query regarding the part.The customer is passing 2A current for 10mS to load through this driver IC.Will you please tell what is the peak power handling capability of...
View ArticleRE: DRV8332: Driver "chopping" instead of generating OC or OTE
Hi Ignacio, Have you examined the /OTW signal in addition to the /FAULT signal? /OTW is an indicator the junction temperature has reached 115C to 135C. If the /FAULT signal only has asserted, can you...
View ArticleClik here to view.
DRV8332: Driver "chopping" instead of generating OC or OTE
Part Number: DRV8332Hello, I'm trying to test the maximum phase current the DRV8332 can drive in our design, and I'm experiencing a behaviour that I don't understand. When going to large currents, the...
View Article