RE: DRV8305: EN_GATE of DRV8305
Hi Masami M.,Thank you for the information.What is the value of PVDD when you perform this test? Is there any load on each of the SHx pins?What is the state of the FAULT pin?
View ArticleRE: About the spindle output(U/V/W) in TPIC2060
Hello James, Thank you for reply.They confirmed VSPM_DAC as following . - Do you change the value in the VSPM DAC when you see this occur?(Ans.)-> Yes. At changing timing (Motor acceleration->CAV...
View ArticleAbout the spindle output(U/V/W) in TPIC2060
Hello, My customer is asking about spindle output(U/V/W) in TPIC2060.They will change from spindle acceleration to CAV(Constant Angular Velocity) control by host controller.At changing timing, the...
View ArticleRE: DRV8305: EN_GATE of DRV8305
Hi, Phil-san,Thank you for your support.Describe the value we measured.>What is the value of PVDD when you perform this test? -> The value of PVDD is about 25V.>Is there any load on each of...
View ArticleRE: BOOSTXL-DRV8305EVM: SPI register show that VCPH_UVFL pin is fault
Hi Rick, I have written to CLR_FLTS. But, fault returned. Savas
View ArticleRE: DRV110: Protection function for DRV110
Hi Ryuji, Our experts have been contacted and should reply soon.
View ArticleRE: DRV8332: How can i drive drv8332 bldc motor driver with hall effect sensor ?
Hi Hakan, The DRV8332 is intended to be controlled by a mcu. The mcu will accept the hall sensor signals, then convert the signals into the proper controls on PWM_X and /RESET_X.
View ArticleRE: BOOSTXL-DRV8305EVM: SPI register show that VCPH_UVFL pin is fault
Hi Savas, Did the fault return immediately? If not, what event triggered the fault? Do you have a second board to try? Does it exhibit the same issue?
View ArticleRE: DRV8308: SPI SCLK Timing
Rick,Thanks for your response.When running with a faster clock (~10 MHz) read data looks like a right-shifted version of what was written. E.g writing 0x00FF returns 0x003F, writing 0x0FFF returns...
View ArticleDRV8308: SPI SCLK Timing
Part Number: DRV8308The DRV8308 datasheet specifies a minimum SPI clock (SCLK) cycle time of 62 nS (~16 MHz). The evaluation board runs the clock at 1 MHz. On our custom hardware, I've found that...
View ArticleRE: DRV8332: How can i drive drv8332 bldc motor driver with hall effect sensor ?
Dear Dunken, Could you advise any application circuit diagram according to our specification that i mentioned the above ? the typical app. diagram is not show all detail. If you send detailed circuit...
View ArticleDRV8332: How can i drive drv8332 bldc motor driver with hall effect sensor ?
Part Number: DRV8332Hi,I have a BLDC motor project and i use 2 bldc motor this project. Both the some. I want to drive 250 W bldc motor with hall effect sensor. It must be;Vs = 24 or 36 VIs(max) = 8 or...
View ArticleDRV8801A-Q1: Overmold on QFN package
Part Number: DRV8801A-Q1Hi Team,In reading up on packing failure modes with overmolding, I’ve just learned that QFN packages are higher risk packages. The DRV8801A-Q1 is in a QFN package. In...
View ArticleRE: DRV8305: EN_GATE of DRV8305
Hi Michino-san,Thank you for the information.If you connect a brushless DC Motor to the output of the boosterpack, does the voltage on each SHx pin stay low when EN_GATE is high? The GHx pins are...
View ArticleRE: DRV110: Protection function for DRV110
Hello Ryuji,Thermal Shutdown: at 160C the DRV110 will shut down, and the STATUS pin will float.Once the temperature drops back to 140C, the DRV110 will resume operation and the STATUS pin will pull...
View ArticleDRV110: Protection function for DRV110
Part Number: DRV110Hi, expart.Please teach me about protetion function for DRV110. – Thermal Shutdown – Undervoltage Lockout (UVLO) – Maximum Ramp Time – Optional STATUS OutputWhat behavior deos it...
View ArticleRE: DC Motor driver IC options
Again Rick thanks a lot. the simple question how would i control the motor speed in this case? sorry if that simple question..
View ArticleDC Motor driver IC options
Hi,I am searching for DC motor driver IC that can output ~30A and motor voltage input in the range of 10-24V, accept PWM signal or analog. can you tell me of possible IC or any suggestion?Thanks,Bishara
View ArticleRE: About the spindle output(U/V/W) in TPIC2060
Tao_2199, I believe the phenomenon is a device feature that reduces the reverse current during deceleration. For whatever reason, this feature isn't highlighted in the datasheet for TPIC2060. I think...
View ArticleRE: DRV8801A-Q1: Overmold on QFN package
Hi Jared, When you mention packing failure modes, do you mean QFN packaged ICs have a high risk of failing different kinds of packing techniques due to the overmold material? We will look into any...
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