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  Chen Alex1

  • 1 month ago
  • Motor drivers
  • Motor drivers forum

  DRV8873: Is it suit for VCM Driver

  TI Thinks Resolved

  Part Number: DRV8873 hi sir I need a solution to do VCM (voice motor) driver old design is use the LT8714, function block as below, now i want to survey the module, does the DRV8873 is a good solution ?thanks
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  Drake Rider

  • 1 month ago
  • Motor drivers
  • Motor drivers forum

  DRV8873: Reference designs around the DRV887x family?

  TI Thinks Resolved

  Part Number: DRV8873 Motor Drive team, What reference designs do we have to offer for the DRV887 3 / 4 / 6? Application is in the medical sector for an in vitro diagnostics system. Thanks! Drake Rider
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  Amelie Zheng

  • 2 months ago
  • Motor drivers
  • Motor drivers forum

  DRV8873: question from the datasheet

  TI Thinks Resolved

  Part Number: DRV8873 Hi Team, My customer has some question about DRV8873. In PH/EN control mode, does it support speed adjustment? Or it could only have one speed. In PWM, how could DRV8873 realize speed adjustment? Why SRC can't...
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  Pablo Armet

  • 3 months ago
  • Motor drivers
  • Motor drivers forum

  RE: DRV8873: DVDD Pin not outputting 5 Volts.

  Hi Maanil, Thank you for providing the information. I understand what is happening. You have nSLEEP tied to DVDD. However, the internal regulator is disabled when nSLEEP is LOW. When you applied the 5V to DVDD, you basically powered up the device...
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  ajayt

  • 4 months ago
  • Motor drivers
  • Motor drivers forum

  DRV8873: Rsense resitor calaculation

  TI Thinks Resolved

  Part Number: DRV8873 To calculate the Rsense Resistor for the Iprop you have the formula: This is based on a 5V tolerant Analog Input so if my analog inputs are ony 1,8V I have to modify the formula to Rsense = k* 1,8V/Io . Do you agree ?...
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  oM

  • 6 months ago
  • Motor drivers
  • Motor drivers forum

  DRV8873: Initial SPI Configuration Required

  TI Thinks Resolved

  Part Number: DRV8873 Hi , Iam using DRV8873SPWPR SPI based rotary driver for my project. In that is there any initial SPI Configuration needed for testing the output signals? Or can we get output without any SPI configuration and only by setting...
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  oM

  • 5 months ago
  • Motor drivers
  • Motor drivers forum

  DRV8873: SPI configuration: Error in Reading Data

  Part Number: DRV8873 Hi team, Iam using DRV8873SPWPR Driver IC as in daisy chain mode. 4 Motor driver IC s are connected with MCU. Data write to the four slaves using the below format, First set the header as 84 and A0 followed by address, for...
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  Daisuke Higa

  • 7 months ago
  • Motor drivers
  • Motor drivers forum

  DRV8873: Open load detection

  • Resolved

  Part Number: DRV8873 Hi support team. Please teach me what kind of application is the open load
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  Retokid

  • 6 months ago
  • Motor drivers
  • Motor drivers forum

  RE: DRV8873: SPI Issue

  Hi Rick, thanks for pointing to the point : The nSCS pin should be taken high for at least 500 ns between frames. So clearly I cannot leave nSCS at low level for the entire operation and that explains why it won't work when I try. So unfortunately...
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  Wang5577

  • 6 months ago
  • Motor drivers
  • Motor drivers forum

  RE: DRV8873: Sample code for SPI configuration in daisy chain mode

  OM, After download and install DRV8873EVM software ( https://www.ti.com/lit/zip/slvc743 ), the firmware can be found at C:\ti\DRV8873Q1_EVM_FW if you used the default location for the installation. BTW, This FW has SPI communication code, but...

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