DRV8801: Incorrect (0V) voltage on CS (VPROPI) pin
Part Number:DRV8801Hello,I cant solve why is at CS (VPROPI) pin almost 0V (3-4mV), while at pin SENSE I have about 15mA. I think, at CS pin should be approximately 5x 15mA = 75mA but thats not true....
View ArticleDRV8301: Does Not Turn On when EN_BUCK Floating
Part Number:DRV8301Hello team,I am supporting an application using the DRV8301 and when EN_BUCK is left floating the device does not power up unless there is an external pull-up, the datasheet...
View ArticleClik here to view.
DRV8303: Negative gate voltage during regeneration
Part Number:DRV8303Hello to everyone,I have a new issue with the above mentioned three phase driver.I have an application where I use two legs of drv8303 to drive a reversible DC motor. In this...
View ArticleDRV8301: Motorware does not start properly
Part Number:DRV8301F28069M C2000 Launchpad with DRV8301 motor controller.When I start Motorware a window opens with one frame (no left sidebar) with a heading "TI Resource Explorer". Nothing I've...
View ArticleBOOSTXL-DRV8305EVM: wave form of phase current and shunt current
Part Number:BOOSTXL-DRV8305EVMDear all,Could you teach about the wave form at attached file?*Please see attached file.(Please visit the site to view this file)I am considering about CH7 and CH8 wave...
View ArticleDRV8305: Delay time
Part Number:DRV8305Dear all,■Propagation delayHow long does this take from INHA to GH_A? And how long does this take from INLA to GL_A?Are these 200ns? But how is the worst condition? Should we add...
View ArticleDRV8305: GERR over temperature
Part Number:DRV8305Dear all,You say that GERR = +/-3%.Does this specification include temperature condition?If it doesn't, could you teach how error does this have over temperature?Best regards,
View ArticleDRV8305: device danaged more times with AVDD 0V after crash
Part Number:DRV8305Hello,Im new here . Dont know if Im heard.I tets the drv83055Q in an automotive application.UVDD 20 V, have exactly the schematics of the application in the datasheet. PWM...
View ArticleDRV8305: Dead time over temperature
Part Number:DRV8305Dear all,Could you teach me how to think(calculate) about dead time over temperature?You say that t_dtp and t_DT_MATCH, but they have typical value only.Best regards,
View ArticleBOOSTXL-DRV8305EVM: recommendation of distance between MOSFET source and...
Part Number:BOOSTXL-DRV8305EVMDear all,If there are recommendation of distance, could you teach me?■Back groundWe tested this board and find spikes at Q4-4 when we wired board.Please see attached file...
View ArticleDRV11873: I'm looking for a scalable alternative to the DRV11873
Part Number:DRV11873I have been experimenting with the DRV11873 and it is ALMOST exactly what I need. I've been looking for an alternative and the datasheets I've looked at just don't show what I'm...
View ArticleDRV8301: RT_CLK Timing Resistor Value for Built-in Buck Regulator
Part Number:DRV8301From what I can gather, the buck regulator block in the DRV8301 is the same as the TPS54160; the application notes and reference designs for the TPS54160 can/should be used for...
View ArticleDRV3201-Q1: Safety documentation according to ISO 26262
Part Number:DRV3201-Q1We are developing a safety critical motor control ECU primarily for automotive applications. Other potential application areas are industry and maybe military. One of the...
View ArticleDRV8701: Operating DRV8701 and H-Bridge on Separate Supplies
Part Number:DRV8701Hey there,i would like to use the DRV8701 for a commercial project. I have a question regarding the datasheet chapter '7.4.1 Operating DRV8701 and H-Bridge on Separate Supplies -...
View ArticleDRV595: Getting very hot
Part Number:DRV595I am using the DRV595 to drive a 7V, 1A TEC and I have an overheating issue on a new project. The conditions are: Power supply voltage of 7VAmbient is 25CMax TEC current is 1.1A (full...
View ArticleDRV8834: DRV8834 not working
Part Number:DRV8834Hello sir,I am working with drv8834.i am running 20dam20i0-k stepper motor from portescap.i am running motor in indexer mode.when i stared working with this driver IC i was able to...
View ArticleISO5500: ISO5500 vcc2 & Ve issue
Part Number:ISO5500Hello sir,customer is facing the problem in ISO5500 , the issue is Vcc2 and Ve is short but IGBT is safe. why?I have attached the schematic.(Please visit the site to view this...
View ArticleCCS/DRV8305: ESC gets very hot with one motor, but works great with another
Part Number:DRV8305Tool/software: Code Composer StudioHi. It's around 2 months we finished our ESC design and are testing it extensively since. Several days ago we tried it with new motor and ESC got...
View ArticleDRV8800: Resistor sizing
Part Number:DRV8800I'm working on implementing the DRV880. I have a question on calculating the Rsense resistor power rating.Rsense = 0.5V/Itrip. Assume Itrip = 1.5A. Rsense = 0.333OhmPRsense = i^2 * R...
View ArticleDRV8836: MODE pin
Part Number:DRV8836The DRV8836’s Mode pin has an internal pull down which puts it into the ‘IN/IN’ mode. What is the resistance value of this internal pull down?I know this is a logic level input but...
View Article