Hi Honggui,
Thank you for your response.
A reason the lowside FET may appear less optimal than the highside is that the sink current (600mA) is very large.
Does lowering this sink current, having the snubber implementation, and using the lower QGD FETs…
Hey Turguy,
In 4th quadrant, is your concern the high uncontrolled current? Then it makes sense why the UCC part would be of benefit with its feature to HI-Z the FETs during the OFF (!) PWM region, and DRV835x does not offer this in the 1x mode as we…
Part Number: DRV8353 Tool/software: Hi All,
How do I reset assert of nFAULT on the DRV8353?
The datasheet states how to reset it in 8.4.1.3 Fault Reset (CLR_FLT or ENABLE Reset Pulse).
Are there any other reset methods?
Best Regards, Ishiwata
Part Number: DRV8353 Other Parts Discussed in Thread: UCC3626
Tool/software:
With 1X PWM mode as shown in Tables 3 and 4, device offers Synchronous and Asynchronous PWM modes. When typical BLDC control technologies are defined using the synchronous and…
Part Number: DRV8353 Tool/software: Hello team,
1. If there're two current shuts(CSA_CAL_B & C) used only, how to set the register bit on rest of CSA_CAL_A?
2. What's recommend setting value on CAL_MODE register? 0b or 1b? why?
Rega…
Hey Emily,
Understood on the calibration part.
The three distinct values could be a result of the trimming process during calibration from our digital design. So we would not be able to change this unfortunately.
Best, Akshay
Hi Emily,
Emily Birch said: How does the calibration interact with the GD enable pin? Will the automatic start calibration ALWAYS occur when VREF reaches threshold, even if the GD is disabled? The reason I ask this, is because the power supplies will not…
Part Number: DRV8353 Tool/software: Hi Team,
Using DRV8353S on electric screwdriver products,
When the motor outputs 5N torque, SPI reads all registers of 8353 as 0xffff. At this time, the motor is working abnormally.
After being powered off for a…
Part Number: DRV8353
Tool/software:
We are utilizing an ARM-based processor to interface with the SPI version of the DRV8353 for controlling a BLDC motor using trapezoidal or sinusoidal commutation with Hall sensors. Is there BLDC control firmware developed…
