Building a simple VFD for AC induction motors - how to get started?
Hi everyone,I want to build a simple AC motor VFD (open loop), controlled by an C2000 micro-controller. Basically it will be consisting of an 400VAC Rectifier, brake resistor and an IPM. I'm currently...
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DRV8837: Cycle by cycle Current limit
Part Number:DRV8837HelloMy customer needs some help on the current limit for the DRV8837. Here is the problem descriptionWe are using the DRV8837 to drive motors +/-1 Amp average with a 9V power supply...
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DRV8711: drv8711 EVM GUI
Part Number:DRV8711Hi team,Customer is wondering if the GUI available on the EVM page is the most recent version available. This comes up since the "write" button on the stall register sub-window seems...
View ArticleDRV8809: DRV8809 random TSD
Part Number:DRV8809Hi,I’m having an intermittent problem with the DRV8809 doing a thermal shutdown (TSD). I noticed it tends to happen when the motors (2 steppers) are moving, but I don’t think the...
View ArticleDRV110EVM: Dimensions of the PCB board and holes positions
Part Number:DRV110EVMHi,Can I get the DRV110EVM and DRV120EVM board dimensions ?Also, need fixation holes positions and dimensions.Better will be to have a CAD .DXF file.Regards,Luc
View ArticleDRV8814: How long it takes for the driver to respond to the overcurrent...
Part Number:DRV8814DRV8814 Datasheet specifies overcurrent limit, but not reaction time. Could you provide more information on how long it takes for the driver to respond to the overcurrent condition...
View ArticleDRV8313 EFT/Burst Test
Part Number:DRV8313Hello,If we want to pass EFT/Burst tests do we need to put extra TVS diodes on the motor phases(Outputs of DRV8313)? What is the proper TVS diode then? I can't find proper TVS diode...
View ArticleDRV595: Current issue
Part Number:DRV595Hello,I am using DRV595 to drive a 12v/7A peltier (1.9 ohm resistance). I am using DRV595EVM circuit design.Operating supply voltage: 12VInput voltage : 3.3VWhen no load is connected...
View ArticleDRV8302: Issue when connecting to load
Part Number:DRV8302Hi everyone !I'm currently trying to use the DRV8302 in order to develop an ESC, but I am having issue when connecting the motor. I'm in the first stage of development and still...
View ArticleDRV8711: Is there a default setting for Torque register of DRV8711
Part Number:DRV8711Hi,I am testing the power consumption of a step motor driver circuit with DRV8711. by accident we set the torque value to 0 in Torque register. supremely, the motor is spinning and...
View ArticleDRV8320: 3-phase bldc motor MOSFET driver with Automotive qualification required
Part Number:DRV8320Hi,I need an Auto grade 3-phase bldc motor MOSFET driver IC. The IC should be hardware configurable, should not have interface like SPI.I got a part from TI (DRV8320H), which is...
View ArticleDRV8432: Input pin capacitance
Part Number:DRV8432Dear TI,DRV8432.1) What is the input capacitance of the pins: PWM_A through PWM_D: /RESET_AB and _CD? 2) please give the truth table for input PWM_x v/s output high-side/low-side...
View ArticleBldc rotor position detection at standstill based on motor inductances
Just wanted to share my success building a system for sensorless detection of the rotor position of a bldc / pmsm motor. (I hope this is allowed). This with the rotor standing still and from power-up,...
View Articletms320f28335
Part Number:tms320f28335Tool/software: Code Composer Studiocurrently i am developed simple direct torque control of induction machine drive software using code composer studio v6, but i seen from...
View ArticleDRV8303: OpAmp gain in-run changing
Part Number:DRV8303HelloI'm wondering, if it is OK to change the gain of the current sensing circuitry of DRV8303 while a motor is runnng? Thus we could get higher resolution at low currents and bigger...
View ArticleDRV8304: Currrent Sense Amplifier in sleep mode
Part Number:DRV8304Dear TI Motor Drivers Team,we want to use DRV8304H and would like know if the current sense amplifiers are still active when the device is put into sleep mode.Thanks and best...
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DRV8301: Hardware not indentified, DRV8301 and F28069M
Part Number:DRV8301Hello,I have a setup with a F28069M Launchpad, two BOOSTXL - DRV8301 and two motors. To begin, I would like to spin a motor to know if my setup is working. I am using instaSPIN for...
View ArticleDRV8312: Leackage current of the DRV8312
Part Number:DRV8312Hello We are using the DRV8312. In my board, the DRV8312 supply voltage is 12V, and the motor supply voltage is 24V.I see that if I power the DRV8312 (turn on the 12V), and do not...
View ArticleWhere to download old version of MotorWare? I need version v1.01.00.16 please!
How can I download an older version of Motorware. I need version v1.01.00.16 but the only links are to v1.01.00.18
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DRV8305: IC burn when starting to PWM
Part Number:DRV8305When starting to drive the MOSFETs, the IC just died with heavy smoke. Please see in the image that it's the PVDD pin and track what's affected as well. Any ideas of what's happened?
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