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DRV8873H-Q1EVM:Circuit Configuration

HYUNBUM YANG
Prodigy 10 points
Part Number: DRV8873H-Q1EVM
Other Parts Discussed in Thread: DRV8243-Q1

PWM 제어로 하나의 최대 전류 6.3A 액추에이터를 구동하려고 시도합니다.
이 회로 구성으로 PWM 제어가 가능한 회로인가요?

  • 0
    TI__Mastermind 19450 points

    Hi Hyunbum,

    The ITRIP level on the DRV8873H-Q1 is a fixed internally at 6.5 A. The SPI version of this device has four settings to adjust ITRIP but the hardware version is set by default.

    If the max output current of 6.5 A is suitable, the circuit appears to be in a PWM control mode. 

    If a more specific output current is needed, a similar device that has more control of ITRIP would be the DRV8243-Q1 that features integrated current sensing with feedback.

    Best,

    David