RE: Noise in voltage when Run_identity flag is enabled.
Hello,Eagerly waiting for reply.Thanks.
View ArticleNoise in voltage when Run_identity flag is enabled.
Dear team,I made a motor driver for 24V and running with f28069 launchpad. I am using lab5a.I am using two power source 12V for powering driver and instaspin and 24V for Inverter Circuit. Also i made...
View ArticleDRV8303: Control register can not change PWM_MODE to 3-pwm input
Part Number:DRV8303Hi, I tried to change DRV8303'PWM_MODE' to 3-pwm input,I do access 0x00-0x03 registers via SPI well but once I change register 0x02 D3 as 3-pwm inputIt responsed a fault bit(F0), any...
View ArticleRE: DRV8303: Control register can not change PWM_MODE to 3-pwm input
Hi Ryan, I have merged the two threads into one.
View ArticleCCS/TMS320F28035: Settings for running the code from Flash
Part Number: TMS320F28035Tool/software: Code Composer StudioHi,I have flashed the F28035 exp kit with the PMSM code. The LED flashes indicating the interrupts are working.However for the code to run I...
View ArticleRE: DRV8303: fr
Hi Ryan, Have you read the fault code in the status registers? This should provide clues to the cause.
View ArticleRE: DRV8303: fr
Hi, Rick Thanks for reply. Yes, I read status register1 and 2 (0x0, 0x1). all fault flag wasn't raise, nFault pin gives logic high. Does it need any pre-procedure to change PWM_MODE? In this case,...
View ArticleDRV8303: fr
Part Number: DRV8303Hi, I tried to change my DRV8303's pwm_mode to 3-pwm input via SPIIt successed on read/write 0x0-0x3 but only PWM_MODE, once I set to 3-pwm input that next cycle gives a fault...
View ArticleRE: CCS/DRV8871: What's the difference between DRV8871 and DRV8872?
Hello Vincent,The DRV8871 has internal current sense.The DRV8872 has current sense externally through the Rsense resistor.The DRV8872 has a fault reporting pin. the DRV8871 does not. The DRV8872DDARQ1...
View ArticleCCS/DRV8871: What's the difference between DRV8871 and DRV8872?
Part Number: DRV8871Tool/software: Code Composer StudioWhat's the difference between DRV8871 and DRV8872?And this reference of DRV8872:DRV8872DDARQ1DRV8872DDAR
View ArticleRE: Blown DRV 8801
Hi Igor, If the motor is connected for the scope captures, please disconnect the motor. Please retest the input to output without the motor to confirm the device is operation. If it is, next is to try...
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Blown DRV 8801
Hello,I have a circuit using two DRV8841 and one DRV8801 fed by a 24V 10A chinese DC switching power supply. I have one 4A DC Motor connected to each DRV8841, 8801 is unused at the moment. The DRV8801...
View ArticleRE: DRV8303: DRV8303 for 300W
Hi Kai, The reference design linked below is for a 36V, 1kW design using the DRV8303:www.ti.com/.../TIDA-00285 I believe the reference design you're referring to is the 24V, 100W/30W design. The...
View ArticleDRV8303: DRV8303 for 300W
Part Number: DRV8303Dear Sir I saw DRV8303 have a reference for 100W/24Vin application ,May I know 300W use the same solution??Thanks
View ArticleRE: DRV8301: How to Apply Break to the BLDC Maxon Motor
Hi Mahesh, In order to hold the rotor of your BLDC at given angle the magnetic field of the stator must be holding the rotor at your desired angle. This will give you the required holding torque needed...
View ArticleDRV8301: How to Apply Break to the BLDC Maxon Motor
Part Number: DRV8301Hi, I have designed a BLDC driver Board using DRV8301, all is working fine i am able to drive the Max or any BLDC motor successfully at a rate velocity and position etc.I am able to...
View ArticleDRV8303: Problem about SPI with C2000 mcu
Part Number: DRV8303Hello,I have a question about SPI between C2000 mcu, TMS320F27027F and DRV8303.If I try to read status register in Drv8303 by SPI, the SDO pin of Drv8303 stayes high level and...
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DRV8412: The strange behavior at Fault* pin at the power-up sequency
Part Number: DRV8412Hi BU teamDRV8412 was designed for the stepper motor application. Monitored the Fault* pin timing during the powered-up and found an unsmooth rising edge. The issues were showed in...
View ArticleRE: DRV8303: Problem about SPI with C2000 mcu
Hi Matsubara-san, Can you provide a scope capture of the SPI transaction?
View ArticleRE: DRV8412: The strange behavior at Fault* pin at the power-up sequency
Hi Ted, The following is based on the assumption that VDD and GVDD are using the same supply. Please confirm this is correct. Is there an external pullup resistor? If so what is the resistor value and...
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