RE: DRV8711EVM: Stepper holding with vibration
Hello Rick-san, Thank you for your reply. I'll ask them for that. Best Regards, Takishin
View ArticleDRV3201-Q1: Table 5. Erro Conditions and Protective Actions
Part Number: DRV3201-Q1Hi team,I have 4 questions below from the datasheet Table 5. Error Conditions and Protective Actions.The purpose of the question is for a failure analysis.1. Does ERR pin...
View ArticleCCS/DRV8836: DDS priciple
Part Number: DRV8836Tool/software: Code Composer StudioHello Mr. admin,I am learning now how to generate a pwm signale with DDS principle.I found in TI WIKI a firmeware for an DRV8836 edited by Kai...
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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: UC3637: uc3637 for motor control
Hi Pan pan50, In your schematic, +BIN should be connected to -AIN, right now you have -BIN connected which should have the supplied voltage connected.
View ArticleRE: BOOSTXL-DRV8301: Motor drawing way more current than expected
Hello,What Voltage rail are you running the DRV8301 EVM at? Are you using our InstaSPIN libraries? If so, which lab are you using?
View ArticleRE: DRV8703-Q1: Sleep mode current
Hi Carsten, I believe we closed this question through other channels. Let me know if there still is a pending question.
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DRV8703-Q1: Sleep mode current
Part Number: DRV8703-Q1Hi,I am looking for the typical sleep mode current of the DRV8703-Q1.In the datasheet only the max values are shownDoes anyone have this information??
View ArticleRE: BOOSTXL-DRV8301: Motor drawing way more current than expected
Thanks for your response Phil! - I have set my power supply unit to 24V (which is what the motor nominal voltage is rated for) - I am using the InstaSPIN libraries. I have used a bunch of the labs but...
View ArticleRE: BOOSTXL-DRV8301: Motor drawing way more current than expected
Additionally, here are the relevant parameters: #define USER_MOTOR_TYPE MOTOR_Type_Pm #define USER_MOTOR_NUM_POLE_PAIRS (1) #define USER_MOTOR_Rr (NULL) #define USER_MOTOR_Rs (2.000000) #define...
View ArticleBOOSTXL-DRV8301: Motor drawing way more current than expected
Part Number: BOOSTXL-DRV8301Hi, I am currently using a LaunchpadXL TMS320F 28069M with a BOOSTXL-DRV8301 REV B to drive the following motor: FAULHABER MINIMOTOR SA 2444 S 024 B.I've attached the spec...
View ArticleRE: DRV10983: Rating of resitor between SW and VREG
Hi Anders, Power dissipation is equal to I2R losses. The current depends on load connected on Vreg and V3P3. Recommendation from us is to not connect any load when resistor mode is used. So if there no...
View ArticleDRV10983: Rating of resitor between SW and VREG
Part Number: DRV10983Dear Whomever it concerns!How much power will be dissipated in the resistor 39 ohms resistor located between Vreg and SW.Regards Anders
View ArticleRE: UC3637: uc3637 for motor control
Hi Luis, Thank you for your kind and rapid reply. we use send a couple of complementary signal to +BIN, -BIN and +AIN, -AIN, these singals to compare with the trianguler wave and use the generated PWM...
View ArticleUC3637: uc3637 for motor control
Part Number: UC3637We use UC3637 to generate PWM for IGBT control. Follow the spec and designed our schematic. the voltages and input signals are normal. but the output result is not well, the...
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DRV10975: DRV10975 SPEED CONTROL ISSUES
Part Number: DRV10975Dear TI Guys: I use drv10975 for Air-condition Drain pump. Motor parameters as follow:1. rated voltage:12v2. rated current:0.4A ; Peak current:1A3. Max speed;...
View ArticleRE: DRV8303: EMC, spikes on ground at 80MHz
Hi Hanno, Have a you had a chance to look into Rick's questions above? If this problem has been solved, we'll go ahead and close this post.
View ArticleRE: DRV8812: ESD protection circuit on motor drive pin
Hi Shimizu, If your customer would like to use external varistors for external ESD protection this is not an issue, however our device is protected internally for the ESD specifications we have in...
View ArticleRE: DRV8812: ESD protection circuit on motor drive pin
Hi Shimizu, Phil is correct. This device is protected against HBM and CDM ESD events during the manufacturing process. If you meant IEC 61000-4-2 compliance, external circuits such as varistors or TVS...
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