NJU7387 Series
3-Phase Brushless DC Motor Control IC with 150 Square Wave

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  • Description

    The NJU7387 is a 3-phase brushless DC motor controller with 150 commutation and lead angle control functions, which provides low vibration, low noise and high efficiency motor driving. The NJU7387 generates 150 commutation 3-phase sequence based on external hall signal and arbitrary lead angle setup. It has Clock Generator for reference clock of various functions such as commutation angle, lead angle, PWM, lock protection, current detection. The NJU7387 is a 5V logic operation-specific control IC. Therefore, it corresponds to various high power applications by selecting a combination of Nch MOSFETs and gate drivers or an IPM as power stage.

  • Spec
    Supply Voltage 4.5V to 5.5V
    Absolute Maximum Rating 7V
    Phase Input 2In×3
    Output Drive Mode 150°Square Wave
    Structure CMOS Technology
    Wide Operating Temperature -40℃ to +105℃
    Junction Temp. +150℃
    Package SSOP20-C3
    Lead Angle Control 4bit A/D Input (0 to 28.125° / 16 steps)
    Internal Clock Generator fPWM=20kHz ±5%)
    Current Detection VDETLIM=0.5V 5% Pulse by pulse)
    PWM Control 6bit A/D Duty=98.43% max. / 63 steps)
    Note Bootstrap Circuit (Low Side ON Time=3.9µs typ.)
    FG Output (FG1=synthesized with three hall signals/FG2=synchronized with H1)
    Lock Protection (Auto Release)
    UVLO Protection
  • Technical
  • Quality &
    • Refer to the datasheets for the details on the product.
    • The package file or the datasheet includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.

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Functional Description

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