I think we have found the reason. The problem is whether the FG signal was pulled down when it was electrified.When connecting to MCU, DRV10974 is first powered up, MCU can be powered up after a period of time delay, at this time, MCU power supply is…
Part Number: DRV10974 HI, Staff
DRV10974 Datasheet P20 Table 7-2, second from left, "CLOSED-LOOP-ACCELERATION TRANSITION TIME" is written.
I think this is OPEN-LOOP, but is my perception wrong…
Part Number: DRV10974 The brushless motor is driven using DRV10974.
conditions Vcc = 12 [V], Rcs = 180 [kΩ], R (RMP) = variable (about 7 to 180 [kΩ])
Even if R (RMP) is changed, the motor stops at about 60 [Hz] of FG. Is this because Kt fell below…
Part Number: DRV10974 Hi Experts,
Our customer is using our DRV10974 to drive a BLDC motor, and they found there is around 1/500 probability for motor failed to startup. We captured the normal startup and abnormal startup waveform as below, can you…
Part Number: DRV10974 Hi, TI expert
In order to verify the operation of the DRV10974 by the customer, the DRV10974EVM KIT was purchased from TI.COM.
DRV10974EVM | Buy TI parts | TI.com
During operation, the motor does not maintain a constant speed…
Part Number: DRV10974 Hi Team,
Our customer would like to know why the deceleration rate of DRV10974 is much lower than the acceleration rate. Is it possible to change the direction of rotation when the motor is running by changing the FR input? If…
Part Number: DRV10974 Hi,
I am struggling to run Maxon's 283828 motor:
https://www.maxongroup.com/medias/sys_master/root/8882350882846/EN-21-245.pdf
Compared to those recomendation:
Is BEMF parameter possible to calculate having informations…
Part Number: DRV10974 Other Parts Discussed in Thread: DRV10987 Hi
USING DRV10974 , WANT TO ADD EXTERNAL MOSFETS TO THE OUTPUTS , SO I CAN INCREASE CURRENT TO 3 PHASE BRUSHLESS motor.
Do you have a reference design please or some info ?
Thanks …
Part Number: DRV10974 Hi Team,
Does the brushless motor used for the aerial models meet the motor parameters as required by drv10974 ? Like motor A2212, 1400kv.
Thanks.
Part Number: DRV10974 Other Parts Discussed in Thread: DRV10970 It can run smoothly at low speed of 90rpm, without shaking during operation and start up quickly？
