• DRV8837: how brake process work

  

  jack bi

  TI Thinks Resolved

  Part Number: DRV8837 dear ti expert, i am using drv8837 to drive DC motor, i see that if both inputs to DRV8837 is high, it is brake . i wonder what is the purpose of brake ,just using to control the duty cycle of the driver's output(generally,from…

  • over 1 year ago
  • Motor drivers
  • Motor drivers forum
Answered

• DRV8837: Using Complementary pwm input control

  

  Will Wang47

  Resolved

  Part Number: DRV8837 Hi Team, Customer want to check if it's possible for DRV8837 to use a complementary pwm input at IN1 and IN2 control the motor? Could you kindly give some comments? Thanks and Best Regards, Will

  • Resolved

  • over 1 year ago
  • Motor drivers
  • Motor drivers forum

• DRV8847: how to contorl stepper motor accelerate and decelerate with drv8837

  

  jack bi

  Part Number: DRV8847 Other Parts Discussed in Thread: DRV8837 dear ti, i want to implement accelerate and decelerate with drv8837 controlling stepper , i prefer to use 2-pins full step mode .but i have no idea how to do .will you kindly give me some…

  • over 1 year ago
  • Motor drivers
  • Motor drivers forum
Answered

• DRV8837: Bulk capacitance and max current drawn

  

  Pranata

  Resolved

  Part Number: DRV8837 Other Parts Discussed in Thread: CSD25310Q2 Hello, I want to ask about the max current that is drawn from my system using DRV8837. From the related question that previously has been verified I think a new topic is more suitable so…

  • Resolved

  • over 1 year ago
  • Motor drivers
  • Motor drivers forum
Answered

• DRV8837: Vcc powr supply using 1.8+/-3% DC/DC

  

  Will Wang47

  Resolved

  Part Number: DRV8837 Hello team, Customer want to use system 1.8V DC/DC to provide power supply to DRV8837 Vcc. the accuracy of the DC/DC is 1.8V+/-3%, I see in our datasheet the Vcc recommend is min 1.8V, so does this supply workable for DRV8837? Best…

  • Resolved

  • over 1 year ago
  • Motor drivers
  • Motor drivers forum

• DRV8837: The two phase DC motor drive chip for softe -start

  

  jianfeng qin

  TI Thinks Resolved

  Part Number: DRV8837 Other Parts Discussed in Thread: DRV8832 , DRV8830 hi ,Sir/ woman : I use the DRV8837 as the two phase motor drive Chip , we have some power issue on motor start , So do we have some similar chip which have the softe-start funiction…

  • over 1 year ago
  • Motor drivers
  • Motor drivers forum
Answered

• TPS61251: + DRV8837, seeing very close to 7V on SW node during high motor load

  

  Nicholas Carley

  Resolved

  Part Number: TPS61251 Other Parts Discussed in Thread: DRV8837 Hello, I have an application of using the TPS61251 with the DRV8837 and I am seeing almost 7V on the SW node. I see 7V is the abs max spec for the TPS61251, is there any sort of diode clamping…

  • Resolved

  • over 1 year ago
  • Power management
  • Power management forum

• DRV8837: Sinusoidal output current?

  

  Jim Perkins

  TI Thinks Resolved

  Part Number: DRV8837 Other Parts Discussed in Thread: DRV8847 , DRV8850 Is it possible to achieve a sinusoidal o/p current from the DRV8837 by modulating the PWM drive? Or would another device be more suitable (5V Vcc, 1.8A pk)? Regards Jim

  • over 1 year ago
  • Motor drivers
  • Motor drivers forum
Answered

• DRV8837: Clarification on Current Limit Feature

  

  Pranata

  Resolved

  Part Number: DRV8837 Other Parts Discussed in Thread: DRV8833 , TIDA-00757 , TPS62745 Hello, I have question regarding the DRV8837 from related question that I linked here. It is said that in order to detect stall condition it can be configured with a resistor…

  • Resolved

  • over 1 year ago
  • Motor drivers
  • Motor drivers forum
Answered

• DRV8837: Need help and clarification on designing for stall torque and current

  

  Pranata

  Resolved

  Part Number: DRV8837 Hello, This thread is intended to discuss, seek advice and help on analysis on maximizing the stall torque design for a particular dc motor using DRV8837 motor driver. I am not quite expert in analog domain and motor control, I have…

  • Resolved

  • over 1 year ago
  • Motor drivers
  • Motor drivers forum

Didn't find what you are looking for? Post a new question.