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NJW4321 Series
24V Single Phase Brushless DC Motor Driver

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Description

The NJW4321 is a single phase motor driver IC for 24V FAN Motor. It features a PWM Soft-Switching that provides low vibration and high efficiency motor driving. Built-in protection circuits: Lock Protection, Over Current Detection and Thermal Shutdown contribute to enhance safety. The speed control corresponds to two modes of Direct PWM Input and DC Voltage Input. In addition, the speed control function at the DC Voltage Input Mode is enhanced, and the Duty Slope setting and the Minimum Speed setting can be performed.

Spec

Standard
Supply Voltage 6V to 36V
Absolute Maximum Rating 40V
Output Current 0.3A to 0.7A
Trapezoidal Output Form Switching
Structure Bi-CDMOS Technology
Wide Operating Temperature -40℃ to +105℃
Junction Temp. +150℃
Package SSOP16
Low Operating Current Typ. IDD=1.7mA (VDD=24V)
Output ON Resistance RON(H+L)=1.0Ω typ.
Note PWM Soft-Switching
Selectable PWM Control Input Direct PWM Input(5V/3.3V-IF) Mode,
DC Voltage Input Mode
Duty Slope Setting and Minimum Speed Setting (at DC Voltage Input Mode)
Quick Start, Start up Assist
Lock Protection (Auto Recovery)
Over Current Detection
FG, RD Output
Thermal Shutdown

Download Datasheet

Technical Documents

Quality & Packages

Product Name Compatibility Package Marking Reliability
NJW4321V
  • gradeConsumer
  • plp
 SSOP16 - NJW-1-s-fr
  • 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.

FAQ

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NJW4321 Series