DRV10983-Q1: DRV10983-Q1 :Equation motor velocity constant at Full load for...
Part Number:DRV10983-Q1Hi AllPls help me , I need to know equation is below support delta or star connection of BLDC motor . refer DRV10983-Q1 tuning guide (SLVUAV9 ).Motor velocity constant = (...
View ArticleDRV8872: nFault Signal active when iTrip is reached ?
Part Number:DRV8872Is the nFault signal active when ITrip is reached or only when one or more Protection features (UVLO, OCP, TSD) are active ?
View ArticleDRV8323: seperate supply for DRV8323
Part Number:DRV8323DRV8323 cannot drive normal Level FETs in case the DC link has gone down to e.g. 7V What would happen in case we would build in a step-up Converter to Supply the IC with minimum 13V?...
View ArticleDRV11873: loss of lock
Part Number:DRV11873There is however an issue I’ve experienced during our tests - the DRV11873 consistently enters into a false locked rotor state beyond a certain motor speed, regardless of the Vcc...
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UC2625: UC2625 Average Current Sensing
Part Number:UC2625Hello,I'm looking to implement average current sensing with the UC2625 because using the pulse-by-pulse sensing seems to be limiting the needed in-rush current to my motor.I see that...
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DRV8323: Truth Table for 3x PWM Mode
Part Number:DRV8323Hi,GHx and SHx output "high" and GLx outputs "low" even if setting INHx and INLx to low when setting ENABLE pin from low to high and changing PWM mode from "6x PWM mode" to "3x PWM...
View ArticleBOOSTXL-DRV8323RH: CAL, ENABLE pin connection?
Part Number:BOOSTXL-DRV8323RHHi,I have a question about hardware interface.How Should I connect those pins(CAL, ENABLE, DIR, BRAKE, FAULT) with MCU?CAL, ENABLE, DIR, BRAKE pins are input and FAULT is...
View ArticleDRV10983: technic for parameterless motor driver
Part Number:DRV10983in current design we are using drv10983 motor driver. since we have feed motor parameter like back emf, resistance etc. I have also used motor drive in industral supplier like delta...
View ArticleDRV110: DRV110 Accuracy
Part Number:DRV110The datasheet does not specify accuracy of the current regulation when using external setting components. Also, the datasheet does not specify the accuracy of Tkeep. Is more...
View ArticleDRV10983-Q1: considering parts DRV10983Z, but max junction temperature is 150'C,
Part Number:DRV10983-Q1What does TI recommend for three phase brushless dc motors above 125'C to maximum of 150'C(operational)?considering parts DRV10974 but this is 125'C maxconsidering parts...
View ArticleBLDC motor Driver design
Hello Sir/MadamGreeings!I am fresher Working in Motor Industry and my job is to design the controller for BLDC motor. i am looking for the design note of sensored and sensor less BLDC motor drives. If...
View ArticleDRV8833: Does this part have an internal PWM generator?
Part Number:DRV8833does it have internal PWM, or is external PWM required?thx
View ArticleDRV8833: Ok to parallel more than 2 drivers?
Part Number:DRV8833Can current output be increased by paralleling any number of these drivers?thx
View ArticleDRV8833: Determine Package by Label?
Part Number:DRV8833i noticed PWP16 and PW16 have the same physical dimensions. http://www.ti.com/packaging/docs/searchtipackages.tsp?packageName=SOThe difference is that the PWP package has a heatsink...
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DRV8711: Extreme noise production with calculated settings
Part Number:DRV8711Hi TI!Recently I've gotten my hands on a DRV8711 EVM and been attempting to tune the settings in such a way that it can drive a stepper correctly.I'm using this stepper here.Might be...
View ArticleDRV8824: WHEN OCP/OVP/UVP occurs,can it feedback to MCU?
Part Number:DRV8824Hello TI Experts,I am using DRV8823-Q1, and from the datasheet I haven't seen the read function~Does it mean when OCP/OVP/UVP occurs,MCU will not know it?How about DRV8824-Q1,it...
View ArticleDRV8881: DRV8881E and DRV8881P - Key differences
Part Number:DRV8881Hi The main difference between the DRV8881E and DRV8881P are1. DRV8881E has auto-tune feature for stepper motors2. DRV8881P has Para (parallel) feature to increase current capacity...
View ArticleDRV8873: Current through Body diode by BEMF
Part Number:DRV8873Hi,Back EMF can be an issue if the motor turns while the IC is not powered.About Phase node output pin, Abs Max Ratings is VM+1V in datasheet.For example, BEMF is 12V by the motor...
View ArticleDRV8832: 10V overshoot
hi,we are using DRV8832 and observe 10V overshoots when the VSET (coming from an external DAC) changes quickly over time.Supply is 5V.We have a SW patch to change it slowly, but I wanted to ask if...
View ArticleDRV2605: quick test sequence
Part Number:DRV2605Is there a quick sequence of i2c writes I could do to see if this part is functioning? We'll get into programming for operation later. I'm just trying to verify our new...
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