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IC Selection
Hi everyone,I designed gate drivers for my application and there is no problem with it. Now I am designing an Active Gate Driver when the gate resistors would be selected to reduce dv/dt. The figure...
View ArticleCSD88537ND: CSD88537ND Doubts
Part Number:CSD88537NDDear Community,I understand the working of Mosfets in general but I have this doubt, Assume I have CSD88537ND And now I make the following connection 1. connect the pin 8 ( D1) to...
View ArticleDRV3201-Q1: DRV3201-Q1 Reduce noise level during sensitive current measurement
Part Number:DRV3201-Q1Hello,Customer wants to know some information to realize following that is explained in datasheet(SLVSBD6D) page 26.“To reduce noise level on the chip the boost converter can be...
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DRV10963: DRV10963 cannot move [Re posted]
Part Number:DRV10963Dear TI staffI had posted such topic in October, 2016. But I did not reply in that time because I had gone to short term internship.Then I came back and reply one week ago.So I...
View ArticleDRV3201-Q1: Boost undervoltage Error
Part Number:DRV3201-Q1I am trying to understand the startup of DRV3201-Q1 with 5V as VS. When there is Boost UV error at startup and I try to override it with CSM = 1 and writing CFG1 register Boost UV...
View ArticleDRV8870: Question about Isen pin of DRV8870
Part Number:DRV8870Please let me know about two points below of Isen pin for DRV8870.①I think that power dissipation for Rsense can calculate below, is it correct? Pd_Rsense = Itrip^2 ×...
View ArticleSome questions about drv8332
Dear sir.I am new to Brushless Direct Current Motor! I read the datasheet of drv8332, I found that the PWM outputs are in relationship with hall sensors. So do I need to check the hall sensor output...
View ArticleLooking for a DC motor drive with motor + feedback sensors
Hi,I'm looking for a motor drive with motor + feedback sensors. I'm planning to work on a DC motor and request your help to identify a proper motor drive unit to purchase. Requirement:a) Brushed...
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DRV8840: DRV8840 stops and require reset
Part Number:DRV8840Support Path: /Product/Development and troubleshooting/The DRV8840 is used with a PWM (Approx 8kHz) connected to Enable input and Phase input is used for direction.Sleep = highDecay...
View ArticleUsing a DRV8307 and MSP430 or C2000
I want to drive a BLDC motor with a RPM of 20.000 at 12V and max 60A. I want to use DRV8307 and MSP430 or C2000 microcontrollers with it. I would like to ask if this configuration is reliable and any...
View Articlemotor drives solution
i need a design support ac induction motor drive support by using INSTAspin -FOC controller.
View ArticleDRV3205-Q1: About using semiconductor processes and latch-up test
Part Number:DRV3205-Q1Hi,My customer is using DRV3205-Q1. He has same questions. Could you answer me the following questions, plsease?Q1: Which semiconductor processes does DRV3205-Q1 use? -> CMOS?...
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DRV8880: Behavior of changing the step during motor operation
Part Number:DRV8880Hi,My customer is using DRV8880. He changes the step with M1/M0 setting during motor operation. He wants to know the behavior indexer operation.For example.Maybe, when customer...
View ArticleDRV110: DRV110 Sense pin input characteristics for designing suitable low...
Part Number:DRV110Hi,I'm interested in understanding the input characteristics of the sense pin, i.e its impedance, or equivalent input in terms of bulk R,C, and L) of the DRV110 . I am looking to...
View ArticleDRV8711: DRV8711 ISGAIN Tolerance
Part Number:DRV8711Hi All,There's no tolerance given on the DRV8711 datasheet for ISGAIN. Can anyone comment on what min/max values and tempco might be expected.
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DRV8842: APLICATIONS FOR THIS DRIVER
Part Number:DRV8842Hello, I need controller a brushless motor DC sensorless. is this driver good option? in datasheet I see the point 8.2.1. Design requeriments. I don´t know the motor winding...
View ArticleSwitched Reluctance Motor Drive Kit
Hello,I want to drive a 3 phase Switched Reluctance Motor, do you have any micro controller card suitable to control this kind of motor?
View ArticleDRV8305: Under Voltage detection
Part Number:DRV8305Dear Support team, I have some question regarding under voltage detection of DRV8305 below. VPVDD_UVLO2 is defined as Max 4.4V at PVDD falling.So, DRV8305 may be disable to output...
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Gate Drive Signal Integrity Issues
Part Number:DRV8302we are using a design based on the DRV8302 EVM and we are having issues running the BLDC motor consistently in open loop mode.. Looking at the gate signals, we are seeing pulses...
View ArticleDRV8305: Power loss for LDO
Part Number:DRV8305Dear Support team I have one question regarding DRV8305. • DRV83053: VREG is a 3.3-V, 50-mA LDO output pin.• DRV83055: VREG is a 5.0-V, 50-mA LDO output pin. PVDD is 45V as...
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