DRV8305: BLDC Motor RPM to Duty Cycle Relationship for any given motor.
Part Number:DRV8305Hello Everyone!We are working on a sensor-less ESC for BLDC Motors, and using DRV8305 in 1 PWM Mode with PWM Frequency being 15.625KHz and a Motor of 150W & 1000Kv Rating for...
View ArticleDRV8353R: 100-V Three-Phase Smart Gate Driver With Buck Regulator and Three...
Part Number:DRV8353RHello TI Team,This is Divya.......I m a fresher who is using these kind of driver IC's . so i have lot of doubts which might looks bit basic. Please help me in clarifying it.1. IS...
View ArticleDRV8323: DRV8323 CSA offset voltage after auto calibration routine
Part Number:DRV8323Hey forum,We're using a DRV8323 as part of an FOC brushless motor driver board. All works fine and dandy, but I have a question related to what the offset of the current sense...
View ArticleDRV-ACC16-EVM: DRV-ACC16-EVM usage
Part Number:DRV-ACC16-EVMHello support team,My customer inquires the following three questions, could you support?* Application note shows "Typical Temperature Dependency (-25degC to 70degC) <3mg",...
View ArticleBOOSTXL-DRV8305EVM: Could I use DRV8305EVM to run Instaspin BLDC?
Part Number:BOOSTXL-DRV8305EVMHi, Customer would like to try drv8305+f28027 to run Instaspin-BLDC. I noticed the BOOSTXL-DRV8305EVM do not sensing DC-BUS current.Could I sum the three phase curret...
View ArticleDRV8823: DRV8823 usage problems
Part Number:DRV8823A project adopted DRV8823 for the mechanical moveable parts driving. Few questions require TI’s confirm…Both DRV8823 and it tied motors are driving with 12V voltage now, but the...
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DRV2700: Cannot get proper output voltage level gnerated.
Part Number:DRV2700Hello,I am trying to get a haptic feedback using piezo with DRV2605/DRV2700 (based on application report SLOA255).When using the DRV2700 with a signal from DRV2605, there is no...
View ArticleBOOSTXL-DRV8323RS: BOOSTXL-DRV8323RS
Part Number:BOOSTXL-DRV8323RSWhy does the DRV8323 enums in the InstaSpin software not match the 8323 data sheetFor example Data sheet says for IDRIVEN_HS...0000b = 20 mA 0001b = 60 mA0010b = 120...
View ArticleCCS/DRV8301: DRV8301EVM
Part Number:DRV8301Tool/software: Code Composer StudioHello.I have a problem with connecting my DRV8301 to F28096M Piccolo LaunchPad board. The problem is that when suply voltage exceed 3V, nFAULT is...
View ArticleCCS/DRV2625: "data to be played" of DRV2625
Part Number:DRV2625Tool/software: Code Composer Studio"data to be played" is written in the resister of AUTO_BRK_OL of the DRV2625 datasheet(P40).What does "data to be played" mean?If it means input...
View ArticleDRV2511Q1EVM: DC input bias network required to establish the input common...
Part Number:DRV2511Q1EVMHiI'm wanting to know whether the DRV2511Q1 requires a common mode bias voltage be established at IN+ and IN-.I've got a circuit someone else designed where they have AC coupled...
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DRV8305-Q1: Watchdog Fault
Part Number:DRV8305-Q1Dear, Sir.The datasheet described on once the watchdog fault occurred DRV8305-Q1& gate driver are putinto a safe state. However, the detail of the safe state is not explained...
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DRV8305-Q1: 6-PWM Mode
Part Number:DRV8305-Q1Dear, Sir.My customer would like to all high-sdie FETs= OFF & all low-side FET's=ON itilizing 6-PWM mode. I think; INHA=0, INHB=0, INHC=0 & INLA=1, INLB=1, INLC1 setting...
View ArticleCCS/DRV2625: Actuator whose resistance value decreases at resonance frequency
Part Number:DRV2625Tool/software: Code Composer StudioI use an actuator whose resistance value decreases at resonance frequency.In case of this, Can I use the funciton "Automatic Resonance Tracking and...
View ArticleDRV8824: DRV8824 & DRV8825 THERMAL DATA
Part Number:DRV8824We using DRV8824& DRV8825.Do you have thermal data of thetaJA ?we want thetaJA of PCB unmout & PCB mounted data.
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DRV8832: DRV8832: No "Fault' report during a stall condition
Part Number:DRV8832 Hi James, Nice to meet here! Question related to Vilim & “Fault” report, need your helps. As you described, “the device must hit the Vilim threshold for every PWM cycle...
View ArticleDRV8412: DRV8842 minimum motor voltage
Part Number:DRV8412Hello,we have to design a stepper motor driver for a two phase motor which has winding resistance of 1 Ohm and operating voltage of 2.4 Volt. Among the vast variety of driver ICs...
View ArticleBOOSTXL-DRV8305EVM: High voltage BLDC driver
Part Number:BOOSTXL-DRV8305EVMHi,I will need to design a controller of high voltage BLDC. I have purchase the BOOSTXL-DRV8305EVM and LAUNCHXL-F28027F evaluation board to make use of the FOC to control...
View ArticleMotor Driver with voltage booster
Hi, i am working with battery powered water flow controller project and i listed the hardware part my design in below,1. 6V rechargeable battery,2. IR Transceiver,3. 8pin microcontroller,4. TI L293...
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DRV8847: DRV8847 break down due to induced EMF
Part Number:DRV8847Hi Team,My customer has a issue as below: 1. DRV8847 is used to drive a BDC and two air valve with independent H bridge as below.2. When the system was power-off, using hand to...
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