Single Phase motor drive
Hi,I would refer to Single phase motor drive solution.Motor specification:-Supply voltage:140V-Supply current:30-40A-Sequence topology:Full-bridgeThere is 3-Phase solution in the Controlsuite but not...
View ArticleDRV8800 motor driver Current Limit Issue
My customer has the following question on a DRV8800 driver - can someone help address? Thank you!“I am driving a regular 12 volt motor that pulls 150mA when the motor is stopped. I have a 4.99 OHM...
View ArticleDRV8301 to drive multiple motors
Using the DRV8301-LC31-KIT, I want to drive three motors. This is an experiment only.I want to build two additional Half Bridges but only use one DRV8301. The current sensing would only be on one...
View ArticleSchematic for DRV8301 Demo board kit
I am planning on adding an encoder to the demo board for position control.J4 is the input for the encoder, and I know in the upper motor labs, an encoder is used for motor position.But I am going to...
View ArticleStepper Motor Driver replacement for DRV8255
Hello,Currently we are using DRV8825 driver to drive 1.7 A Stepper Motor.To increase the performance, we are planning to use 2.5A Stepper Motor / 2.55VAre there any drop-in replacement driverorcan you...
View ArticleDRV595 AND THE DRV591 PWM DRIVERS
ON THIS PART I WILL START WITH THE SAMPLE FIRST BECAUSE I WONT TO MAKE SURE THE DEVICE WILL OPERATE THE WAY IAM THINKINGSO ON THE DRV595 / DRV591 IF I PUT A SINEWAVE ON THE INPUT TERMINAL WILL THE PART...
View ArticleDRV8711 Booster Pack - Not working
Hi,I am using DRV8711 Booster pack along with MSP430G2553 Launchpad to run a stepper motor. The example codes provided are not working. I followed all steps in the user guide carefully. I also tried...
View ArticleDRV8816 RDSON for charge TR of charge pump
Could you please let us know RDSON value for charge transistor of charge pump?Our customer wants to know how much is the current expected when flying cap gets short condition in accidentally.
View ArticleDRV8824 fault condition
8824 HiI'm testing a DRV8824 driver with a picaxe mcu, checked the fault pin, and its at 1.1V. i'm assuming that its shut down due to a fault. could you help with identifying what the fault could...
View ArticleDRV8828EVM / VM voltage increase
Hi Team, My customer evaluates DRV8828EVM and I was asked about the following behavior. I heard that VM voltage increased according to rotation of the motor is accelerated.He uses stabilized power...
View ArticleClik here to view.
DRV8828EVM / not to reach desired speed
Hi Team, My customer evaluates DRV8828EVM and have a question. He set the GUI to values shown and repeated the following sequence(1→2→1→2・・・), he found sometimes stepping motor didn't reach "Desired...
View Articlequestions on using InstaSpin BLDC & DRV8313 for a new sensor less BLDC motor...
Hi, We are using DRV8313 for a new sensor-less BLDC motor with instaspin software on MSP430. In our design, we use OPA337, instead of OPA365 (used in DRV8313EVM), for IDC_SENSE feedback. 1. When we...
View ArticleDRV8825 and DRV8814 Internal Grounding Management
Hi TI Folks,we have some questions on the ground management for the DRV8825 and DRV8814 as we are facing some noise coupling issue from Power GND to the Signal GND.1. From the datasheet, both Pin14,...
View ArticleDRV8432 EVM 11V output
Hi,I just received a DRV8432 EVM and I tried the board like this:- 12V 3A power supply ( 12.5V measured) for gates- 24V 5A power supply ( 25V measured)- PWM input from TI launchpad digital HIGH and...
View ArticleLooking for a servo drive for PMSM
Hello TI team,We are finding out a supplier who can provide us with servo drives for our main products of PMSM.Could you help provide us with relevant contact information? Thank you.
View ArticleLMD18200 working with 48V Supply
Hi team,My customer Neusoft is working on a new project to driver a 48V 3A DC motor, they have used LMD18200 before, so they wish to continue to use it. But in their old project the VM voltage is 24V...
View ArticleHow to measure the phase current on the drv8313 evm
HiI'm using drv8313 evm with an external control signal from an ezdspF28335 in order to control a 3 phase brushless motor, and i'm developping my own control algorithm to control it i have seen in the...
View ArticleDRV8307 Can handle Max RPM question
DRV8307 can handle BLDC max PRM by different motor question ,By 4-pole BLDC max PRM is ? (can handle over 20000 RPM ?)By 8-pole BLDC max PRM is ?
View ArticleDRV8711 Current Limiting Resistor Watt?
Hello,I am going to use drv8711 to drive a stepper motor with 48V and 4.2A max. As i calculated i need 0.130 Ohm resistor but can not figure out what should limiting resistor watt is?P=I^2xR =...
View ArticleDRV8302 with PVDD1 in range 8V-48V
I would like to use DRV8302 in application like page12 of DRM078 from frescale (with forward DC/DC-converter)
View Article