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DRV8701: MOSFETs are disable for DRV8701
Part Number:DRV8701Hi team,The customer is using DRV8701P. The customer's issue is once the power is supplied for his board, all Mosfets are disable.a. VM is 12.3V and it is stable. VCP is 22V. VREF...
View ArticleDRV8818: bulk capacitance and charge pump question
Part Number:DRV8818Hello. I am working on a module design using DRV8818. During applications testing, a prototype failed with short circuit across VM/GND, and short circuit across VDD/GND. I repeated...
View ArticleDRV8818: power-up sequence
Part Number:DRV8818Can the device be switched on/off from VM power supply?My prototype has ENA permanently wired to GND, and a pulse signal is hard-wired to STEP.Can the system be switched from VM? Is...
View ArticleDRV8881EEVM: Gui composer runtime
Part Number:DRV8881EEVMHello support member,Problem is observed at EVM software installation.Web download of gui composer runtime is blocked by security software.Can we get gui composer runtime...
View ArticleDRV8711: Optimizing DRV8711
Part Number:DRV8711We are using the DRV8711-EVM to drive a motor that is fairly inductive (200 step/rev, 6.5mH, 2.1 ohms). For accuracy, we need to use microstepping of 64, and for speed, we need pps...
View ArticleDRV8308EVM: Motor start problem
Part Number:DRV8308EVMDear friend,We have two different DRV8308 EVMs and custom-built boards in order to evaluate DRV8308. We have tried different motors of different brands and models (bldc blower...
View ArticleDRV for reversing motor design
What is the recommend minimal configuration for a 12V 0.5A BLDC Fan Motor that with variable speed control and the possibility to change rotation direction.Can this be achieved without direct MCU...
View ArticleDRV8711: Tuning DRV8711
Part Number:DRV8711Good day!We are developing a high pressure laboratory pump, drived by DRV8711 and external MOSFETS (we selected SUD50N04-8m8P MOSFETS). The motor is POWERMAX II p22nrxc-lnn-ns-02...
View ArticleDRV10987EVM: GUI parameter file
Part Number:DRV10987EVMHi,May I know where can download DRV10987 EVM GUI parameter file?Thanks.Regards,Eric
View ArticleDRV8305-Q1: PWM mode
Part Number:DRV8305-Q1Hi team,Our customer want to use 3-PWM mode, but GHx=L and GLx=L status is not written in PWM Truth Table of datasheet.The status that the FET output becomes high impedance by...
View ArticleDRV8323: DRV8323
Part Number:DRV8323In DRV8323RH driver, can the current amplifier offset be set by setting the voltage on pin VREF? All the circuits show VREF having VCC, so is it possible to have current offset at 1...
View ArticleDRV103: Driving a proportional valve
Part Number:DRV103Hi,For a new project I will use some proportional valve (SMC PVQ31 - 12V).All the logic will be handled by an ATMEGA328 and as a proportional valve driver I’ll use the DRV103.I need...
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DRV8711: GUI Composer for BOOST-DRV8711 and MSP430G2553
Part Number:DRV8711Hello there,I am new here and I was searching for the solution couple times but unfortunately did not succeeded.I am trying to run BOOST-DRV8711 to spin my DC brushed motor. Until...
View ArticleDRV8711: TORQUE register change
Part Number:DRV8711Hi, I am using BOOST-DRV8711 board and Encoder feedback. My application needs to drive the motor with different Torque(torque settings in decimal 20 to 50) on running state.My Idea:...
View ArticleDRV8302: Brushless Sensorless Motor speed oscillates, which causes it to lose...
Part Number:DRV8302Hello motor control gurus. I am not one of you.I made a BLDC control board to control an RC airplane motor- and it works well enough below 4k RPM, but goes unstable at higher RPM and...
View ArticleDRV8880: Immediate Fault Condition
Part Number:DRV8880I have a new board design and I'm trying to debug why the DRV8880 immediately issues a fault. If I toggle the enable pin and trigger on the fault pin I can see it being 3.3V for less...
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DRV8880: Method for finding proper settings
Part Number:DRV8880I have an product that I'm trying to find the "right" settings for the DRV8880. I have the DRV8880EVM and was testing different conditions with my motor (see attachments). I'm using...
View ArticleDRV8302: DRV8302 to be used with two phase motor
Part Number:DRV8302Can I use DRV8302 with two phase motor - or there exists some other more appropriate part for usewith two phase brush motor?I started drawing schematic - and then I wanted to make...
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DRV8884: Motor Current not stable
Part Number:DRV8884DRV8884 is used for driving a stepper motor. The design parameters are,1. RREF = 562K2. TRQ = 13. DECAY = tied to DVDD (slow decay)4. We use both 1/4 and 1/2 stepping modes in our...
View ArticleDRV8800: DRV8800 Question
Part Number:DRV8800Hi Team,I verification DRV880 operation and has some question need you help.May I know DS show shorted to gnd function same to OCP ? since we OUT+ shorted to GND occur IC damage. (@...
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