DRV8834: Driving a small, low current stepper motor
Part Number:DRV8834I am attempting to drive a small stepper motor with the DRV8834. This motor has a 48 Ohm winding resistance and is intended to be operated at 4V. The peak current should be less...
View ArticleDRV8880: Data sheet error wrt setting for decay and auto tune pins
Part Number:DRV8880Hi Support teamMy customer pointed out an error in the data sheet, specifically when in Auto Tune mode - section 7.3.6 of the data sheet specifies that the DECAYx pins should be...
View ArticleDRV8303EVM: Need the original code for DRV8303EVM
Part Number:DRV8303EVMHi team,The customer gets the InstalSPIN-BLDC_GUI_DRV8301_v104.out file for DRV8303EVM. He would like to verify if we have the original code for the .out file? If we have it, can...
View ArticleNo sensor BLDC solution
Hi Sir I have a no sensor BLDC need to driver. want a solution. The motor parameter: Power 1.1KW; max ramp 11000Rmp;Four groups N，S。 Volt 300V （110AC、220AC rectifier） Do have any ref design？
View ArticleDRV8302: No gate output even when all regulators are working fine
Part Number:DRV8302I have made a breakout board for DRV8302 and have connected it on a breadboard according to the following schematic:(Please visit the site to view this file)After powering up the...
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DRV8872: Voltage Rating for the H/L side MOSFET
Part Number:DRV8872Hello, We'd like to confirm if the H and L side MOSFET of the DRV8872 is 50V as abs max rating?Thanks.Regards,Brian
View ArticleDRV8323R: Extending the application voltage to 100 volts
Part Number:DRV8323RI am interested in using this part for multiple applications which have similar functional requirements but different voltage requirements. The second application has a 100V input...
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DRV10983EVM: the phase to phase of BLDC motor
Part Number:DRV10983EVMNow I want to measure the phase to phase voltage Ep of the motor.So I use the oscilloscope voltage probe to directly measure the voltage between phase U and phase W.But, the...
View ArticleDRV8801-Q1: nSleep and PWM
Part Number:DRV8801-Q1Hi all,The datasheet described that "When switching from low to high, the user should allow a 1-ms delay before applying PWM signals. This time is needed for the chargepump to...
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MSP-EXP430G2: Cannot read the data of DRV8711 on BOOST-DRV8711
Part Number:MSP-EXP430G2Hi TI Experts,We met the following issue now. When I evaluated the BOOST-DRV8711 with MSP-EXP430G2 and default source code and GUI which TI provided on Web site, the GUI could...
View ArticleMotor driver IC with open circuit / short circuit detection
HiIs there a motor driver with the feature to detect if motor is connected or not ?For example a driver connected to a DC motorIn idle state (no motor operation), the motor can be disconnected...
View ArticleDRV8701: nFault during driving div. motors
Part Number:DRV8701We would like to use the DRV8701 chip. The circuit is supposed to control different UNKNOWN motors in the area of model toys. The motor types range from brushed motors to bell-shaped...
View ArticleDRV8307: Smart gate drive
Part Number:DRV8307Hi1.I believe we don't need to control dead time if TI's motor driver has "smart gate driver architecture".Is my understanding correct?2.Does DRV8307 have smart gate driver...
View ArticleDRV8846: Which control pins are gated by the STEP signal?
Part Number:DRV8846Hello;I need to control 3 very different stepper motors from the same processor and am trying to figure out which control pins can be shared among the three DRV8846's. I only run...
View ArticleDRV8432: Overcurrent detection
Part Number:DRV8432The overcurrent threshold is set by a resistor, but the table lists values for current output to 11.6Amps. However, the device says it can handle a peak of 15A. What if you need it...
View ArticleDRV8711: IS Gain choice
Part Number:DRV8711In a high speed application, is it better to choose a high IS gain rather than a low IS gain? This assumes that we won't have power issues with the sense resistor with either high...
View ArticleDRV11873: Lock Detection functionality
Part Number:DRV11873HiAccording to SLVA778, FG frequency at multiples of internal sampling clock can result in false lock conditions.1.Does it mean if FG matches N x 101.6Hz, lock detection would be...
View ArticleCCS/DRV8323R: ISRs used by MotorWare
Part Number:DRV8323RTool/software: Code Composer StudioWhat ISRs are used by MotorWare. We're looking at Lab11a specifically. We are considering using an ISR in our software and we want to know how it...
View ArticleBOOSTXL-DRV8323RS: Problem identifying using BOOSTXL-DRV8323RS board and the...
Part Number:BOOSTXL-DRV8323RSI am trying to identify a small 8 pole motor and the Ls estimation seems to be very low.I am using the software provided in motorware for the DRV8323 and the only changes...
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DRV8839EVM: Question of the DRV8839DSGR's Operation Voltage Range
Part Number:DRV8839EVMHi Sirs,Would you please advise that if we can use 5V VM and 1.8V VCC, while the test conditions on the datasheet is 3.3V VCC?Thank you and Best regards,Wayne Chen12/22/2017
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