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DRV8301: Safe Torque Off function (STO) by disabling PVDD1
Part Number: DRV8301I need to realize a safe torque off function (STO) with the DRV8301. Can I turn off the voltage on pin PVDD1 (29) while the three half bridges remain powered? The following image...
View ArticleRE: DRV8301: DRV8301 making humming sound with load on 3.3V
Hi Angela, We will investigate and reply soon. We are approaching a holiday so this may take until late next week. Thanks.
View ArticleRE: DRV8870: DRV8870
Hi Hoa, Can you provide a scope capture of the two outputs? This will help determine what could be causing this. What is the motor specifications? R/L If the current is too high when starting, the...
View ArticleDRV8870: DRV8870
Part Number: DRV8870Hi, I am using DSPIC33EP512 MCU to control the PWM output of DRV8870. When set the duty cycle to any level between 1-100% to PWM control IN1 or IN2 of DRV8870, the output of Out1...
View ArticleRE: DRV8301: DRV8301 making humming sound with load on 3.3V
Hi Angela, Can you provide a schematic of the components you connected? Also, did you connect the power pad on the bottom of the package to GND?
View ArticleDRV8301: DRV8301 making humming sound with load on 3.3V
Part Number: DRV8301Hi All,I am using the DRV8301 in a design. I soldered only the components necessary for 3.3V output and see a 3.3V output that gets noisier with an increase of the VBUS voltage....
View ArticleRE: DRV8818: Vcc logic supply voltage level
Hi Cory, What is the voltage you plan to supply to the DRV8818? What is the stepper motor current requirements? If you are supplying <7.5V to the DRV8818 VM pin, the voltage is below the...
View ArticleDRV8818: Vcc logic supply voltage level
Part Number: DRV8818Hi,I am trying to swap this in as a replacement for an older stepper driver, but we were using a 6V supply for that one, the max limit says 5.5V, and I am mesuring around 5.6V-5.7V...
View ArticleRE: DRV8305: SHx output voltage at power on
Hi Yamamoto-san, Can you please provide more information in regards to the inputs? what is the state of EN_GATE? In the screenshoot provided, is the 24V supply the only input to the device? what is the...
View ArticleDRV10983: Looking for DRV10983 supported controller.
Part Number: DRV109831. I m looking forward to use DRV10983 to control BLDC motor. Can somebody tell me what is the criteria to choose a controller to support the driver?2. Can somebody suggest me a...
View ArticleRE: I'm looking to drive a low voltage, low amperage motor, and I'm wondering...
Hi mydadisaplumber, Please take a look at the DRV8850. It is intended for low Rdson applications.
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I'm looking to drive a low voltage, low amperage motor, and I'm wondering if...
Hi, I'm looking to create a battery powered application that drives a motor. Only one motor, only one control, like this:But mine is different. The whole application runs on a Li-Ion battery, so I...
View ArticleRE: DRV8701: About the fire of DRV8701.
Hi Rick DuncanThank you for your advice.Is monitoring the mv voltage the chip's vm pin?If so, can I configure a simple constant voltage (about 30V) circuit on the VM pin to avoid high voltage on the VM...
View ArticleDRV8701: About the fire of DRV8701.
Part Number: DRV8701Thank you for your response.I developed a motor drive using the drv8701p.It is used in electric cars for children.Sometimes, however, the drv8701p chip fires.Where it occurs is...
View ArticleRE: DRV3201-Q1: CS amplifier Gain Drift and Shift Buffer Offset Drift
Hello Will-san, Please let me known your progress. Best Regards.
View ArticleDRV3201-Q1: CS amplifier Gain Drift and Shift Buffer Offset Drift
Part Number: DRV3201-Q1Hello, Please correspond following question and request from customer. 2nd Stage Gain Drift vs. temperature.Could you supply the graph that shows the relationship between...
View ArticleRE: DRV8308: tune the registers
Hi Phil, The motor had something wrong. We could get another one and that is OK. Thanks
View ArticleDRV8308: tune the registers
Part Number: DRV8308Hi everybody,I am working with a DRV8308 and i have achieved to make it work quite well, but still want to solve an issue which happens at low speeds.I am controlling a motor which...
View ArticleBLDC MOTOR DRIVER IC
Hi, I'm using a hub motor with 24V and 25A maximum current. what driver will work for that current and voltage.Please suggest me some motor driver controller ic and it should be...
View ArticleEquivalent of MLX90805
Hello Team,Do we have a device similar to MLX90805? I have attached datasheet here.[View:/cfs-file/__key/communityserver-discussions-components-files/38/MLX90805.pdf:1230:0]One of my customer is...
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