Answered

• DRV2700: VBST noise

  

  Takumi Suzuki1

  Resolved

  Part Number: DRV2700 Hi, I would like to ask you to give me your advice about following issues. - VBST noise Will you tell me how to reduce the ripple noise of VBST? There is a not small ripple noise on VBST. I thinks that using a bigger "C(boost)…

  • Resolved

  • 4 days ago
  • Motor drivers
  • Motor drivers forum
Answered

• DRV2700: Costumized board for DRV2700

  

  Amir Omidvar1

  Resolved

  Part Number: DRV2700 I have designed my board based on the EVM for a specific voltage 250Vpp. however, after assembly, the output of the board was lower than the supply voltage. I would like to add my schematic 2671.Schematics.pdf

  • Resolved

  • 2 months ago
  • Motor drivers
  • Motor drivers forum

• DRV2700: DRV2700EVM setup issue

  

  Kagan Yaron

  Part Number: DRV2700 Contacting for one of my customers: I selected TI's DRV2700 as a the piezo driver to use in our project, which requires a strong audible alarm at the frequencies of ~2KHz – 3KHz, with a 36nF HV Piezo Sounder. We bought…

  • 7 days ago
  • Motor drivers
  • Motor drivers forum
Answered

• DRV2700: DRV2700 High Frequency Alternatives

  

  Daniel Waleniak

  Resolved

  Part Number: DRV2700 Hello, Are there any alternatives to DRV2700 piezo driver for 60Vpp 100 kHz operation with 10nF load? For this part, the limitation appears to be roughly 10kHz from the datasheet's graphs and I haven't been able to find anything better…

  • Resolved

  • 3 months ago
  • Motor drivers
  • Motor drivers forum
Answered

• DRV2700: Ultrasonic motor control

  

  DDdoor

  Resolved

  Part Number: DRV2700 Hello, Customers are considering using the DRV2700 to control the ultrasonic motor. In the DRV2700 datasheet 2, Applications, there is Piezo Positioning Actuators. Does this also include the ultrasonic motor? The voltage of the motor…

  • Resolved

  • 1 month ago
  • Motor drivers
  • Motor drivers forum

• RE: DRV2700: Possibility to use 2 DRVs to run 2 benders

  

  Justin Beigel

  Hello Obinna, While the DRV2700 cannot drive a 3uF load at your required voltage and frequency, you may be able to use a discreet solution to boost the output to achieve this. The second stage would need to make sure the load at the DRV2700 fits within…

  • 1 month ago
  • Motor drivers
  • Motor drivers forum

• RE: DRV2700: DRV2700 EVM

  

  Ian Wang

  Hi Luis, One more question, Do you know MSP430 how to generate PWM o/p in EVM? Thanks. Thanks, Ian.

  • 6 months ago
  • Motor drivers
  • Motor drivers forum
Answered

• DRV2700: Transformer selected suggesstion

  

  chun pi wang

  Resolved

  Part Number: DRV2700 Dear Sir : We had used the user's guide of DRV2700EVM-HV500 for our Piezo driving. There is a transformer (ATB3225) in BOM list of this document. We need to find another back up transformer, and we are not sure which items of characteristics…

  • Resolved

  • 3 months ago
  • Motor drivers
  • Motor drivers forum

• DRV2700: DRV2700

  

  Ian Wang

  TI Thinks Resolved

  Part Number: DRV2700 Hi Sir, Can we use GPIO with 3.3V to communicate with DRV2700? The voltage rating below shows there is no maximum value is defined so I assume VIH can be up to 3.3V (up to VDD). Need your help to confirm it. Thanks, Ian.

  • 8 months ago
  • Motor drivers
  • Motor drivers forum
Answered

• DRV2700: DRV2700 shuts down when input voltage is less than 4.7V

  

  Daria Stepanova1

  Resolved

  Part Number: DRV2700 Dear TI support team, I use the DRV2700 to drive the piezo buzzer. I use an inductance of 3.3 uH. GAIN, Enable pins, and IN+ are driven by MCU. I'm varying VDD and in case it is lower than 4.7, the output seems corrupted (stable level…

  • Resolved

  • 6 months ago
  • Motor drivers
  • Motor drivers forum

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