NJW4315 Series
3 Phase Brushless DC Motor Control IC

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  • Description

    The NJW4315 is a 3 phase brushless DC motor pre-driver with 120°commutation. The NJW4315 generates 3 phase sequence based on external hall signal input and drives power elements. It features wide operating voltage range from 6.3V to 36V, small package and wide temperature range. Therefore, it is suitable for various fan motors and electric circuit built-in small DC motors.


    • FAN Motors
    • Electric circuit built-in small DC motors

  • Spec
    Supply Voltage 6.3V to 36V
    Absolute Maximum Rating 40V
    Phase Input 2In×3
    Output Drive Mode 120°Square Wave
    Structure Bi-CMOS Technology
    Wide Operating Temperature -40℃ to +125℃
    Junction Temp. +150℃
    Package EQFN24-LE
    Low Operating Current Typ. ICC=2.9mA (VCC=12V)
    Note PWM Control
    Forward / Reverse Function
    FG Output (Selectable from 2 types of cycles)
    Lock Protection (Selectable from Auto Release method or Latching method)
    Over Current Detection
    Thermal Shutdown
    Under Voltage Lockout
  • 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.

Download Datasheet

Functional Description

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