DRV10983 - small motor but tripping out at 50%
I am trying to drive a 3 watt BDCM with centrifugal fan, to replace a current design which uses a Toshiba TB6575. I am finding I cannot get the motor up to top speed - I am using the TI dev kit. On...
View ArticleRE: DRV8803 with PWM input maifunctioning
Hi Manjunathan, nENBL will be low due to an internal pulldown. It should not cause a problem. Will await results.
View ArticleDRV8803 with PWM input maifunctioning
Hi,I want to drive three proportional solenoids with the PWM input with the driver IC DRV8803, the total load current (Maximum) is 510 mA for all the three solenoids. the pwm input is given from...
View ArticleRE: some Serious problem for drv8812
Hi Power, The input of the DRV8812 is sampled using the internal clock. This can cause the input to output delay to vary by one internal clock cycle.
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some Serious problem for drv8812
This is my drv8812 PWM mode drive Stepper motor when input pin23 20 input fixed PWM output are difference，it have Jamming signal. So when Stepper motorare stop the Stepper motor are Shake. who...
View ArticleRE: DRV3201-Q1 Fault detect function during Loss of clock detection test/VS...
Hi Ushikubo-san, You are correct, both of them will not work. I have edited my initial response to reflect this. Regards, Will Toth
View ArticleRE: DRV10983 - small motor but tripping out at 50%
Richard,You can change the abnormal Kt detection window by changing Abnormal Kt lock detect threshold.if abnormal Kt is getting fired at low RPM, please increase the open loop to close loop treshold.If...
View ArticleRE: DRV8312 disable function
Hi Klaus, Is there a reason you cannot use the RESET pins? The RESET pins are by far the most elegant method. After the motor has stopped, you can remove the GVDD voltage. This should work but timing...
View ArticleDRV8312 disable function
I'm looking for a way to disable the power stages of the DRV8312 that does not involve the RESET pins.Looking at the block diagram, the part monitors for undervoltage on the gate drivers and the VREG...
View ArticleRE: DRV3201-Q1 State change between Global Reset and another state (A-57/58/59)
Hi Ushikubo-san, Q1. When the device is in sleep mode it will remain there. We are looking into the case with reset further. Q2. 4.85V Q3. Yes, all of these cases are true Regards, Will Toth
View ArticleDRV3201-Q1 State change between Global Reset and another state (A-57/58/59)
Hello, Please answer following questions. Q1:When DRV3201-Q1 is in Active Mode and internal temperature pass over Tmsd2, state changes to Global Reset.Please advise if DRV3201-Q1 changes to Global...
View ArticleRE: DRV3201-Q1 DRVOFF signal and driver behaviors (A63_64_65)
Hi Ushikubo-san, As an update: Q3. The answer is due to <Reason 2> Regards, Will Toth
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DRV3201-Q1 DRVOFF signal and driver behaviors (A63_64_65)
Hello, Please answer following questions from customer. Q1: DRVOFF and GHS, SHS behaviorCustomer observed VHS, GHSx and SHSx waveform when DRVOFF=High and results are follows.(VS and VHS is different...
View ArticleRE: some Serious problem for drv8812
Thank you Rick Now what can i do for my code (how to change code like PWM frequency or any thing)to make better effect, to ensure that the Stepper motor not Slight Shake when it stop , our company make...
View ArticleRE: Temperature of the stepper motor
Hi Phil Beard I'm Waiting For Your Reply..... Thank a lot !
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: DRV8811 Motor Driver Charge Pump Cap Voltage Ratings
This thread is being closed due to inactivity.
View ArticleDRV8811 Motor Driver Charge Pump Cap Voltage Ratings
What voltage rating should I look for for the charge pump flying capacitors on the DRV8811? Thanks!!
View ArticleRE: How to protect MCU from motor-induced current and voltage change?
This thread is being closed due to inactivity.
View ArticleHow to protect MCU from motor-induced current and voltage change?
Hello,This is the first time we touch H-Bridge motor driver so there is a number of questions:How to isolate MCU and other IC from the motor control part, such that the sudden on and off of motor...
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