DRV8307: Use externally Gate-Driver for Low Rdson MOSFET
Part Number:DRV8307Hi,I would use a low Rdson MOSFET Type (<2mOhm) with a Gate Charge of 120nC. For fast switching I need a Gate Current of 1A...2A. Regrettably I only found in the Datasheet the...
View ArticleDRV8703D-Q1: Regarding current driving through the IC
Part Number:DRV8703D-Q1Hai,Thanks for responding my previous queries.I want to connect a 12V DC motor which draws little less than 3A of current on no load. And may go up to 40A on full load.Please...
View ArticleDRV8873S-Q1EVM: GUI for DRV8873S-Q1EVM
Part Number:DRV8873S-Q1EVMCould you please point me to GUI of DRV8873S-Q1EVM ?
View ArticleDRV8320R: Recommendations on how to replace DRV8301 or similar with the new...
Part Number:DRV8320RWe have EMC issues on our DRV8301 based motor controller so we have to do minor modifications on our cramped board. DRV8320R is more robust and physically smaller, enabling more...
View ArticleDRV8305-Q1: Charge pump behavior after EN_GATE is set low
Part Number:DRV8305-Q1The gate driver IC is operating in a normal, steady state mode. What happens to the VCPH voltage when the EN_GATE transitions from high to low as a result of the microprocessor...
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DRV10970EVM: Not able to exit trapezoidal operation and enter sinusoidal
Part Number:DRV10970EVMI am running the DRV10970 with a Maxon 339267 BLDC, with an input voltage of 12V. I am able to spin the motor without issue in trapezoidal mode, however in the desired sinusoidal...
View ArticleSensorless BLDC driver
Hi all!we may need your support in choosing the right components for a sensorless bldc pump controller. The key fact and goals are: - 24VDC pumps - best case we can cover 50 – 220W pumps - smooth...
View ArticleDRV8308: Smart gate driver
Part Number:DRV8308HiI believe DRV8308 has smart gate driver function.Is it right?BestRegards
View ArticleBLDC better motor driver needed
Hello all,We are in search for a new motor driver replacing L6235 from ST for a brushless application. The driver should have internal FETs. And also take care of the hall signals (also be a...
View ArticleDRV8703-Q1EVM: Regarding Vreff and driver connect to external micro
Part Number:DRV8703-Q1EVMHai,Thanks for responding my previous forums.As per your suggestion I removed resistors between micro and driver IC of IN1 and IN2 pins, because I want to drive the motor with...
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DRV8846: Accuracy of pull up & pull down resistors on tri-level input pins
Part Number:DRV8846Hi, TeamDo we have accuracy data of accuracy of pull up & pull down resistors on tri-level input pins?Thank you.
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DRV8303: DRV8303 GVDD drops down to 2.3V
Part Number:DRV8303HelloI have some hardware designed around the DRV8303 and I have the motors running smoothly, however as I increase PVDD (to less than 55V with a small Nema17 sized motor running no...
View ArticleDRV8432: Is there any MTBF information available?
Part Number:DRV8432I've used this in several designs for my client. One of their clients wants a big risk analysis, this is a crucial component. Do you have any relevant information for this?
View ArticleBOOST-DRV8848: Trying to disable the current limit
Part Number:BOOST-DRV8848I have a Boost-DRV8848 board driven by a uP created PWM signal on BIN1 or 2 depending on the direction we're driving the load (with the inactive control at 0V for braking)....
View ArticleDRV8303: OCP triggered
Part Number:DRV8303Hello, I use drv8303 with bldc motor and 3 shunts with 50A mosfet. OCP is triggered with 45A threshold. I see high currents during lowside mosfet commutation, mainly on one phase....
View ArticleDRV8812: Absolute maximum ratings of xOUT pin
Part Number:DRV8812Hi,Could you let me know the Absolute maximum ratings of xOUT pin, please?I want to know both value of Min and Max.My customer has a issue of breaking B phase output pins.Best...
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DRV8873-Q1: GUI for DRV8873-Q1EVM not Running on Windows XP/7 , giving error...
Part Number:DRV8873-Q1After Getting the GUI files that help to evaluate the DRV8873-Q1 EVM board , and installing it on Windows XP and Windows 7 there is a Error message of "Windows Script Host" with...
View ArticleDRV8837: Application Curves on datasheet
Part Number:DRV8837Hi,Team:I have a question about the Application Curves on datasheet(DRV8837). Is there a solenoid or a brushed DC motor for them?I cannot get them by using a brushed DC motor.There...
View ArticleBOOSTXL-DRV8320H: Operation mode and hall input
Part Number:BOOSTXL-DRV8320HHiWe have questions of BOOSTXL-DRV8320H.We use DRV8320H with 1x PWM mode with hall sensor.1.This kit uses MSP430F5529LP and its firmware to drive motor in 1 x PWM sensored...
View ArticleDRV8308EVM: PWM Duty Commend
Part Number:DRV8308EVMWe're trying to fine tune the customer fan with DRV8308EVM. However, we are confusing the installation step 5 in the user guide of DRV8308EVM. It says that "a 2.1 x factor is...
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