Part Number: DRV11873 Hi Team,
Customer uses TI's DRV11873 chip as a brushless motor driver IC. The input PWM frequency required by the chip specification is 7~100Khz. The PWM input is 110Khz, and the motor speed can be adjusted by adjusting the duty…
Part Number: DRV11873 Hi team,
My customer will use DRV11873 and provided some questions as follows.
Does the time between startup and the start of switching(please see attached waveform) vary depending on whether the FS pin (pin 1) is high or low? …
Part Number: DRV11873 Hello,
I have successfully gotten the DRV11873 running with a hard drive motor. My PWM is 28 KHz and I run it at 12 V. The current resistor is 1 K and in lowspeed.
The problem is when the device is powered up I put a ramp on the…
Part Number: DRV11873 Dear TI,
I ordered the DRV11873 driver and the Evaluation Board also to develop this driver for a unique application, but I noticed when I tried the EV board, that the electrically frequency is maximum 1000Hz which is not enough…
Part Number: DRV11873 Hi,
Customer has three questions need your help.
1. Could you please tell me if 11873 can be directly arranged with high and low levels of FR pin to control steering? I found that positive and negative rotation of the motor would…
Part Number: DRV11873 Hi Team,
we use DRV11873 to drive the permanent magnet dc micromotor, and we add the function of wireless charging in the middle of the motor, as shown in the figure below.
1: the fault phenomenon is that the dc motor cannot work…
Part Number: DRV11873 We use drv11873 to control the brushless motor. When the motor starts up, the motor will shake violently. After the motor starts up, the speed will be normal.We need your help to analyz this problem.In the green frame, the speed…
Part Number: DRV8231 Other Parts Discussed in Thread: DRV11873 , Hello team,
Is there any specific range for value of RSENSE? In other words, is there any limitation range for ITRIP value set by RSENSE?
Best Regards, Kei Kuwahara