Using DRV8308 for precise maintenance speed
Hello. Thank you your answer’s. Your answer’s helps.My task is to provide high-repeatability precision keeping one instantaneous speed = 3000 ob/min brushless DC motor; on shaft of motor is big moment...
View ArticleORCAD Symbol for DRV8811
HI,I am developing a schematic in ORCAD 16.6 in which I have DRV8811 IC. Can anyone help me out with the symbol for the same in ORCAD. I am unable to get it in the Parts Search?
View ArticleDoes TI have a development kit for Switched Reluctance Motors?
Hi,Does TI offer a drive development kit for Switched Reluctance Motors? Specification: 300V 15kW, Sensorless SRMThanks
View ArticleIncrease Speed Of DC Motor with DRV8711
1 )How to Increase Speed Of DC Motor with DRV8711 ? Any Initial Register Setting ..... 2 )How to Increase Speed Of Stepper Motor with DRV8711 ?
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DRV8301 Buck Converter Noise Possibly Issue with COMP Capacitors
I'm having an odd issue that has cropped up in our latest hardware build using a DRV8301. On our Rev 2 build the controller worked perfectly. Our Revision 3 is a smaller version of the Revision 2. With...
View ArticleDRV 8313 testing
Hi, I am using DRV 8313 with external DSP. Is there any way i can test the DRV before the completing wiring with DSP. Thanks
View ArticleDRV8301 six step operation
I'd like to find out if the DRV8301 kit with boost XL is capable of generating a six-step only 3-phase waveform. My application requires this at the switching frequency, such as 20kHz.I'm in contact...
View ArticleReset recovery time
Dear all,I have design a board using DRV8412. I have a question regarding Reset signals. Which is the reset recovery time? I mean, the time since the Reset is high until the driver is operational (ie,...
View ArticleDRV8305 full system setup
I'm a new user of TI evaluation kits and would like to know what hardware/software I'll need for a full 3phase motor drive evaluation using the newBoostXM-DRV8305EVM product. Also, I see others asking...
View ArticleDRV8881: the way to handle TRQ pin
Dear all,Please teach me the way to handle TRQ pin.*Buck ground*I would like to leave TRQ pin [0/0] because I want set output current for 100% fixed.So please teach me the way to handle this pin.Should...
View ArticleDRV10975 - Mechanism of FG signal generation
Hello Team,Our customer is considering to use the DRV10975. We had a question from them the mechanism of DRV10975 how FG signal is generated inside the device. Could you please tell us the detail...
View ArticleControlling Low Side Fets
Hi folks,I'm using a DRV8301-69m-KIT to control a motor and I'm trying to figure out how to control the individual FETS to utilize regenerative braking for the system. Looking at the schematic, I see...
View ArticleDRV8846 using Vint for configuration
Hi All,Does anyone know if there is an issue with using the Vint to configure ADEC, Sleep and Vref? I have the device set such that source to VM is controlled and as soon as power is applied the ENBL...
View ArticleDRV880x : withdraw current from VCP
Hi,I’m using the DRV8800 and I would like to know how much current can be withdraw from the charge pump (VCP) without affecting the chip. I need about 5mA to supply a floating amplifier and I would...
View ArticleDRV3201-Q1 EEPROM CRC Error
Hello,Customer has a device it shows EEPROM CRC Check fail bit is “1”.Please answer following question from customer. Q1:Please let me known the detailed method of EEPROM CRC check. Q2:Please advise if...
View ArticleDRV8301 GATE_CURRENT design
Hi guysI am working on a new motor controller solution for 250W/500W/1500W. The approach is design the same three-phase inverter architecture for each power rate. This controller is focused on E-Bikes...
View ArticleDRV8881: about Over Current Protection
Dear all,Question 1,Over current is detected by only OCP?xISEN pin can only set MAX current value and not detect over current?Question 2,If over current is detected by only OCP,what point does OCP...
View ArticleDRV8307 motor start-up problem
Hi,I am using the DRV8307 to control a 100W BLDC Maxon motor at 24V (http://www.maxonmotor.com/maxon/view/category/motor?target=filter&filterCategory=ecflat). My problem is: when I start the motor...
View ArticleDRV8881: different wake up time
Dear all,I would like to know different wake up time.Q1; What is the Tdead?What time does Output dead time stand for? Q2; How long does this device take to output transition from AEN (or BEN) logic...
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[ DRV830x ] Power Rating of Gate Resistor
[ DRV830x ] Power Rating of Gate ResistorHi,My customer may consider to use gate resistors for their circuit with DRV8303. Is there any guidelines to specify the power rating of gate...
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