DRV8323: Leaving one of the current sense amp floating
Part Number:DRV8323HelloI am developing a speed controller using a DRV8323RS and since i have to make it small i was thinking about skipping one of the three current sense amplifiers.So I have 2...
View ArticleDRV8871: I_TRIP voltage
Part Number:DRV8871I'm starting a design using the DRV8871, and would like to make use of the voltage at the ILIM pin to determine whether or not a current threshold has been exceeded. I see that...
View ArticleDRV8704: Trouble driving over 3 MOSFET's per leg
Part Number:DRV8704Hello,I am using a DRV8704 to drive an H-Bridge consisting of 5 NVMFS5C426N Mosfets per leg. Each MOSFET has a total gate charge of 65nC, for a total charge of 325nC per leg. The...
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DRV8703-Q1: how long the source or sink current will flow for FET turn-On or...
Part Number:DRV8703-Q1Hi Teamuser can select the source and sink driving constant current capability via SPI.D/S say that user has to select the proper constant current driving capabilityto make full...
View ArticleDRV8837: DRV8837 and DRV8832 efficiency issue
Part Number:DRV8837Hi,I ran the same scenario for both TI drivers with 3xAA batteries connected to TI DC booster TPS63050In both cases I ran the eval boards with the same VM of 5V.On both I choose a...
View ArticleDRV8301: amplifier
Part Number:DRV8301Hi,In datasheet, SPx should connect to ground side of the sense resistor. Can I switch them? That means I want to connect SNx to ground side. Because I don't want to get negative...
View ArticleC2000 Series High Voltage Three Phase BLDC Motor Drivers
I have a number of identical Three Phase BLDC Motors that I want to be able to run at various rpm in my test fixture. The design specs for the BLDC motor that I am referring to is; Motor Type -...
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DRV8308: Maximum power delivery to stalled BLDC motor is limited by driver...
Part Number:DRV8308I am currently using the DRV8308 to drive a BLDC motor with three SIZ342DT-T1-GE3 dual NMOS drivers. I am trying to maximize the amount of torque (and therefore power) delivered to...
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DRV8302: always fault happen
Part Number:DRV8302Hi all:I am using DRV8302 for motor driver.Our PCB circuit design is follow DRV8301 EVM. But We always get Fault pin feedback .we already check all function include :--Buck part...
View ArticleDRV8885EVM: GUIComposerApp behind a Proxy
Part Number:DRV8885EVMHallo,I have some problems while the installing "GUIComposerApp-v1.0.setup-win_2.0.3.exe" behind a proxy.With the runtime "gcruntime-6.1.0-windows-installer.exe" I get some...
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DRV10970: Power current of the VM
Part Number:DRV10970Hi team,According to the diagram of the DRV10970, My customer want to know below information:1. The MOSFET is connect to the VM, what's the cap value between the Drain and Source...
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DRV8701: Explain the Equation 10 in 8.2.3.2
Part Number:DRV8701Dears1.why there is demand of maximum voltage VM in EQ10 when VM is different from external H-Bridge supply?2.Where is Equation 10 derive from ?
View ArticleDRV8301: Can DRV8301 drive "FM200TU-2A" MITSUBISHI MOSFET MODULE up to 30kHz...
Part Number:DRV8301Can DRV8301 drive Power mosfet module from Mitsubishi (FM200TU-2A) up to 30kHz(I attached FM200TU-2A datasheet for your reference.)I know the total gate rms current is 30mA.and...
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DRV8323: Current limit of the H Bridge
Part Number:DRV8323Hi,I am using DRV8323HRAR for driving a BLDC motor, configured the Driver with 6PWM mode by connecting the MODE pin to the Ground. IDRIVE is open so that the gate current can be...
View ArticleUC2625: UC2625
Part Number:UC2625Can I use the UC2625 to drive the DRV8323 Gate Driver in a 50V, 20A Brushless DC Motor Driver design ? if so, are they any special design instructions that I need to be aware of?
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DRV8703-Q1: about Propagation delay spec
Part Number:DRV8703-Q1Hi Teamto calculate Min Duty and Max Duty, I need the below information.D/S say Tpd = TYP 0.5usec.D/S say Tpd is composed of the input deglitcher and the output slewing delay.I...
View ArticleDRV10987: Low Speed starting operation
Part Number:DRV10987Hi Team,Do you have any insight into how well the DRV10987 would perform on a 24V, 2A BLDC motor which needs to control its speed anywhere from 50rpm to 2000rpm? From what I...
View ArticleUCC2626: Brushless BLDC
Part Number:UCC2626Dear Team,My customer is interested in brushless BLDC.Do you have recommended controller similar to UCC2626 or UCC3626?Also, do you have a suitable EVM?Best RegardsKevin
View ArticleDRV8320: the different voltage between VM and VDRAIN
Part Number:DRV8320Hi I had asked similar question at the following post before.We had talked with our customer about it . They gave us the detail condition.Please let me ask...
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