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DRV8313: About minimum value of UVLO and behavior of V3P3 regulator
Part Number: DRV8313Hi Team, Our customer are evaluating DRV8313 and they have two questions. ------------[Q1]Could you please let us know the minimum value of UVLO(VULO_min) if you have any...
View ArticleRE: EV vehicle motor driver
I don't understand why you need the voltage as high as 72V. As I know, Bosch E-Bike driving system only uses 36V battery pack for 500W motor. For 72V and 2.5kW motor, your system will be very...
View ArticleRE: EV vehicle motor driver
Hi Robert Chen, How do we select the voltage for battery (36,48,72)? Is there any special technique? Also, with 500W motor, what can be maximum speed achieved? Please give me more information. Thanks...
View ArticleRE: DRV10983EVM: GUI download problem
Thanks Janet.Renaming with suffix zip works. Thanks a lot for the support.
View ArticleRE: DRV8313: About minimum value of UVLO and behavior of V3P3 regulator
Hi Kanemaru-san,The V3P3 regulator is enabled if nRESET pin is LOW.
View ArticleRE: DRV8313: About minimum value of UVLO and behavior of V3P3 regulator
Hi Rich-san, Our customer applied 12V to VM pin at nRESET and nSLEEP pin is Low.Then, V3P3 output voltage is 0V.Therefore, we understand that V3P3 regulator is disabled at nSLEEP pin is Low.Is this...
View ArticleRE: DRV8301: Motorware does not start properly
Hi Gary, We have contacted the Motorware experts for assistance.
View ArticleDRV8301: Motorware does not start properly
Part Number: DRV8301F28069M C2000 Launchpad with DRV8301 motor controller.When I start Motorware a window opens with one frame (no left sidebar) with a heading "TI Resource Explorer". Nothing I've...
View ArticleRE: DRV8313: About minimum value of UVLO and behavior of V3P3 regulator
Hi Kanemaru-san, I have checked two devices. V3P3OUT is ~3.3V if VM=12V. I have tried all four combinations of nRESET and nSLEEP (00, 01, 10, 11).
View ArticleRE: DRV8303: Negative gate voltage during regeneration
Hi Simone, We will investigate and reply soon.
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DRV8303: Negative gate voltage during regeneration
Part Number: DRV8303Hello to everyone,I have a new issue with the above mentioned three phase driver.I have an application where I use two legs of drv8303 to drive a reversible DC motor. In this...
View ArticleRE: DRV8432: Using as a PWM Controlled Rectifier
Hi Somsubhra, Sorry for the delay. Where is the AC signal connected to the board? What AC voltage are you using?
View ArticleDRV8432: Using as a PWM Controlled Rectifier
Part Number: DRV8432Hi,I am using a DRV8432DKD in 4 H-Bridge configuration to rectify 13 VAC to 35 VDC with a 100 ohm Load in a TI Dual motor control + PFC Board. I am only using the DSP and the motor...
View ArticleRE: DRV8313: About minimum value of UVLO and behavior of V3P3 regulator
Hi Rick-san, Thank you for the information.I have one more question.I understand that V3P3 output voltage is less than 3.3V if “nRESET and nSLEEP pin is open(so internal pull down)”, “Around 1V is...
View ArticleRE: DRV8305: DRV8305 about the heat issue
Hi Rick, Thanks, I will confirm with the customer. His schematic is the same as TIDA-00901.
View ArticleBOOSTXL-DRV8305EVM: wave form of phase current and shunt current
Part Number: BOOSTXL-DRV8305EVMDear all,Could you teach about the wave form at attached file?*Please see attached...
View ArticleDRV8305: Delay time
Part Number: DRV8305Dear all,■Propagation delayHow long does this take from INHA to GH_A? And how long does this take from INLA to GL_A?Are these 200ns? But how is the worst condition? Should we add...
View ArticleDRV8305: GERR over temperature
Part Number: DRV8305Dear all,You say that GERR = +/-3%.Does this specification include temperature condition?If it doesn't, could you teach how error does this have over temperature?Best regards,
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RE: DRV8307: DRV8307 to change direction, the Motor speed is different ?
Hello, Rick: I don`t have the link of my motor，Because the motor is customized by a company which my boss contact long time ago.It not easy to ask the spec. for this BLDC motor. I only know...
View ArticleRE: DRV8313: About minimum value of UVLO and behavior of V3P3 regulator
Hi Kanemaru-san, Yes, this is correct. If VM ~1V, V3P3OUT was measured to be ~.25V
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