Part Number: DRV8308 The motor is a single pole, 57000 rpm with hall effect sensors. The motor is capable of ramping in speed at 400rpm/ms. If I change speed in small incremental steps, there is no problem, but if I make a 50% step the motor will not…
Part Number: DRV8308 We recommend adding resistor between Vreg or Vsw and hall sensor.
Have we seen damage to hall sensors without this resistor in place?
Thanks,
Sal
Hello,
Did this get resolved?
I don't see a CLKIN signal, are you asking about the PWM input?
Both BRAKE and DIR have internal pull-down resistors so they will be low if left floating.
Regards,
-Adam
Part Number: DRV8308 Hi Expert,
My customer found the issue about DIR setting.
Please refer the waveform below,
CH1, output current for V,
CH2 hall sensor input for U
CH3 hall sensor input for V
CH4 hall sensor input for W
Hardware : DIR = GND
Register…
Part Number: DRV8308
Hi Team,
1. Regarding DRV8308 closed-loop control motor speed, customer does not understand the statement about pole and zero. He would like to know how to set the value of pole1 pole2 zero1 zero?
2. The motor has been turned. The customer…
Part Number: DRV8308 Other Parts Discussed in Thread: TIDA-00197
Hi,
If FG interface is not used in DRV8308, then the following connections are good enough?
FGFB and FGINN_TACH shorted
FGINP connect to GND
Part Number: DRV8308 Hello,
I have a few hardware and software questions related to the DRV8308.
1. If I am not using the FG feature of the device, what is the proper connection for the FG pins (FGFB, FGINN_TACH, and FGINP)?
2. If I am using the device…
Part Number: DRV8308 Other Parts Discussed in Thread: MSP430G2553 , EK-TM4C1294XL Tool/software: Code Composer Studio i cant communition with drv8308 and tm4c1294ncpdti board can you help me in that in ccs software i need to sample code to oprate the …
Part Number: DRV8308 in documentation i found this section 7.3.13.5 Charge Pump Short (CPSC) but i can't find this bit in fault register table ?
CPOC : charge pump overcurrent : i find this bit in fault register table but i can't find documentation…