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DRV120: DRV120: What is the minimun PWM OSC freq.
Part Number:DRV120The fluid valves I'm using have a 24VDC solenoid, 150ohm, 110mH@10kz. I've slowed the PWM clock to ~5KHz (1Meg resistor) to get them to work. Faster PWM clock, say 20KHz does not work...
View ArticleCompiler/DRV10983: About DRV10983 drive motor in open loop setting & Speed...
Part Number:DRV10983Tool/software: TI C/C++ CompilerHello,Everone: I use DRV10983 IC to drive BLDC Motor recently for work, I use the PWM control, It is 20%The motor is success to active, but a...
View ArticleDRV8871: Brushed DC motor and high-precision analog measurement circuit
Part Number:DRV8871The current project needs to measure the PH value and drive a 30W DC brush motor according to the PH value. I want to make the PH measurement circuit and the motor drive circuit on a...
View ArticleDRV8308: Register for more low jitter of FG signal at using Click frequency mode
Part Number:DRV8308Hi,My customer is tuning DRV8308.Condition is VM=24V, Click frequency mode, 3-hall 120 mode(BASIC=1) and FG frequency=600Hz(FGSEL=01).Motor speed and motion is good.And I want to do...
View ArticleDRV8704: Motor controller oscillating at 50 MHz strangely
Part Number:DRV8704We have been having some problems with implementing the drv8704 in our dual brush DC motor design. We are part of the Rice Electric Vehicle team here at Rice University, and are...
View ArticleDRV10970: Can the customer need to program for DRV10970
Part Number:DRV10970Hi team,The customer needs to select a motor drive device that should be not programmed by himself, only be configured the registers. That is the device has integrated the...
View ArticleDRV8308: Changes to Revision B.
Part Number:DRV8308We have noticed that there are 2 differences with the DRV8308 revision B.First difference is the removal of the “Rotor lock detection”. We would like to know why this option was...
View ArticleDRV8872: quiescent current in brake status and dead time between high side...
Part Number:DRV8872Hi Dear colleague,My customer is using our DRV8872-Q1 and have several quiescent questions about this device1. What's the current consumption when device is in brake mode( IN1=1,...
View ArticleDRV8312: Is opto isolator needed?
Part Number:DRV8312I am interfacing TMS320F28335ZHHA to DRV8312. As the AGND and GND are separated only via a resistor, do I need to connect any opto isolator to the pwm input to the drive or I can...
View ArticleDRV8320: Control Brushed DC with 3 Phase Driver
Part Number:DRV8320Can the DRV8320 be used to drive a DC Brushed motor using just 2 of the 3 half bridges without causing internal diagnostics issues? I have a need to drive a HS n-fet with the 3rd...
View ArticleDRV10983: DRV10983
Part Number:DRV10983HelloI have built power supply from the reference design no TIDA-00652 ( gives 23.95Vlot) and trying to to interface STM8 micro-controller(Dev board with STM8S103f3) with DRV10983,...
View ArticleDRV8320: 1x PWM Mode - Brakes on
Part Number:DRV8320Hello,I am trying to use the DRV8320 in 1x PWM mode by leaving the MODE pin floating. However the device only turns on all the low side gates when I adjust the PWM signal from my...
View ArticleDRV8824: Max/Min internal PWM frequency
Part Number:DRV8824Hi,Do you have the data of Max and Min internal PWM frequency?I know typ=50kHz from datasheet.My customer needs this data.Best regards,Shimizu
View ArticleDRV110: Keep voltage not discharging with disable of DRV110
Part Number:DRV110Driving of solenoid is one of the requirement of our project. Earlier this was driven through linear circuitry where power dissipation was more. Hence to reduce the power we went...
View ArticleDRV8818: PWM noise
Part Number:DRV8818Hello,Our customer use the DRV8818.There is the PWM noise on the VCC, Vref and STEP pin.I attach the results of the customer's estimation.(Please visit the site to view this file)The...
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DRV8305: nFAULT active on EN_GATE
Part Number:DRV8305Hi,Have a DRV83053 connected over SPI to a STM32F334. Schematic attached. The SDO line had to be pulled by a 1k5 resistor, based on helpful feedback from here. Eventually, was able...
View ArticleDRV8812: There have some ununderstand in DRV8812 datasheet.
Part Number:DRV8812Hi Sir There have some ununderstand in DRV8812 datasheet.1. What is Figure 8 want to explain? 2. Can we have more description about 8.2.2.2 Decay Modes? Because DECAY pin is input...
View Articleproper drive for brush dc motor
my motor is operating at 12 volt, max current is 450 mA. The pwm frequency needed is 160 kHZ. Please suggest me a suitable drive for brush dc motor with these specs and pwm signal would come from...
View ArticleDRV8841: Shorting of the pins when in use
Part Number:DRV8841Hello,I was testing the ic with Vm=24 volts by applying the load of 10.8 ohms and a load coil of 1.2ohms resisrance and 4.2 mH indutance with pwm applied at 50% duty cycle. While...
View ArticleDRV8323: Sinusoidal commutation example
Part Number:DRV8323Hi,a customer is using the DRV8323BOOST boosterpack with the MSP430F5529 LP are able to run the OOB Trapezoidal Sensored and Sensorless BLDC from the DRV832x_EVM_BLDC_FW_1.0.0...
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