DRV8703-Q1: Unable to perform drv8703-q1 spi write operation
Part Number:DRV8703-Q1By using SPC58Ecxx Microcontroller, drv8703-q1 H-Bridge driver as motor driver with SPC5 studio as development tool.We are able to read drv8703 driver registers by using SPI...
View ArticleBLDC Motor Drive Help
Hello, I have 450W,24 V ,12 pole,120 degree hall effect sensor placed,1500 RPM BLDC motor, I am using trapezoidal technique to control the motor ,When i am start first time motor from off...
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DRV10983Q1EVM: Register writing not succesful!
Part Number:DRV10983Q1EVMDear sir or madame,When I start the GUI for the DRV10983Q1EVM the following error message is displayed. After clicking on continue the gui opens and I get a connection to the...
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DRV8320: Independent PWM mode Issue ---- Valve current control
Part Number:DRV8320Hello,i cannot activate the Independent PWM mode ( 6x PWM mode work with an BDLC Motor on the same board)A valve is connected between J200 and J204. T202 and T204 switch together the...
View ArticleCCS/DRV8312: batch problems
Part Number:DRV8312Tool/software: Code Composer StudioDear SirWe have been using the TI DRV8312 component in our product for a long time witout any problems . Recently we have a problem with this...
View ArticleDRV8703D-Q1: Excessive conducted emissions from charge pump activity
Part Number:DRV8703D-Q1I’m seeing conducted emissions when the DRV8703 is not held in sleep mode, with a fundamental around 130-140kHz and many higher-order harmonics. This happens whenever the...
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DRV8301: question about DRV8301 charge pump regulator and gate output...
Part Number:DRV8301How do we decide what value of Charge Pump Capacitor should be added between pins CP1 and CP2? I see 0.022uF ( at the voltage rating of PVDD) used in the sample schematic in the...
View ArticleDRV8818: Mixed decay
Part Number:DRV8818Hello,Our customer use the DRV8818, have a question.Is mixed decay active at full step mode?Best Regards,Naoki Aoyama
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DRV8840: DRV8840 Peltier cooling issue
Part Number:DRV8840Further to query attached here in link belowI have tested same drv8840 circuit in my setup as a 12V, 3amp peltier controller. And there are 3 temperature set points : 25, 30, 37...
View ArticleDRV8825: Chopping frequency of A phase and B phase
Part Number:DRV8825Hi,Internal current control PWM frequency is 30kHz(Typ).Is this frequency used at A phase and B phase operated with one OSC?Or Is this frequency operated with OSCs for each...
View ArticleDRV8840: Capacitor between CP1 and CP2
Part Number:DRV8840Hello,Our cusotmer use the DRV8840, have a question about capacitor between CP1 and Cp2.The customer use a capacitor 0.01uF, 0402 part.The characteristics of the capacitor as...
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DRV8880: Indexer Timing Requirements information..
Part Number:DRV8880Dose DRV8880 Indexer Timing Requirements have detail information like DRV8818?Include ( tWAKE, tSLEEP, tENABLE, tDISABLE, tRESETR, tRESET)
View ArticleDRV8870: Continuous phase node pin voltage
Part Number:DRV8870In the datasheet of DRV8870"the Continuous phase node pin voltage" is defined : Min -0,7V; Max VM+0,7VMust I limit the voltage of the OUT-Pin's to that Ratings? Back-EMF will...
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DRV10983EVM: problems when quick drive up to closed loop, peak torque
Part Number:DRV10983EVMDear TI-E2E CommunityI'm evaluating the DRV10983 using the EVM, for our Air Damper Actuator applications. The goal of my development is to minimize the maximum torque when...
View ArticleTINA/Spice/DRV8332: Spice Model of DRV8332
Part Number:DRV8332Tool/software:TINA-TI or Spice ModelsSir,I am designing a BLDC drive for robotic application using DRV8332. I need spice model of DRV8332 for my pcb design.I have checked on TI site,...
View ArticleDRV8704: Output signal of the driver on High side gate
Part Number:DRV8704Hi there, I am currently working on a project where i have a brushed DC-motor which needs to be controlled via a Microcontroller, driver and a H-bridge. The microcontroller and...
View ArticleDRV10987: bldc motor tuning
Part Number:DRV10987I was using DRV10983 before and now using DRV10987,while tuning found 4 new parameters which actually affecting startup and peak power performance.Since i dont have not much...
View ArticleDRV8432: DRV8432 driving 2 TEC: Output duty cycle is limited in a very low level
Part Number:DRV8432Hi TI experts,We are using DRV8432 to drive 2 TECs seperately, which supports both heating and cooling. In our design, DRV8432 is set in mode 1(M1=M2=M3=0), dual full bridges with...
View ArticleDRV10983-Q1: Unable to read from the Config Registers
Part Number:DRV10983-Q1I can communicate with the DRV10983-Q1 using I2C using all registers except the configuration ones.0x00 to 0x08 I can read sensible data from registers 0x30 SpeedCtrl I can read...
View ArticleDRV8308: DRV8308 Parameters tuning
Part Number:DRV8308Hi TeamsI am helping the customer to tune DRV8308's parameter and encounter several problems need your help:Vin=24V Using 3 single end hall input Operating in Clock frequency Mode.I...
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