NJW4305 NJRC [New Japan Radio], NJW4305 Datasheet

NJW4305

Manufacturer Part Number

NJW4305

Description

PWM 3-PHASE DC BRUSHLESS MOTOR CONTROLLER

Manufacturer

NJRC [New Japan Radio]

Datasheet

1.NJW4305.pdf (1 pages)

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Ver.2010/09/03　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

■ GENERAL DESCRIPTION

■ FEATURE

■ FUNCTION LINEUP

PWM control.

driving waveform.

power MOS transistors for better power handling.

control feature can be easily achieved.

NJW4305A

NJW4305B ( PLN )

NJW4305C ( PLN )

NJW4305D ( PLN )

The NJW4305 is a 3-phase brushless DC motor controller with

▪ Supply Voltage

▪ Quiescent Current

▪ PWM Pre-Driver

▪ Direct PWM Control Circuit

▪ Operating Temperature

▪ Protection Circuit

▪ FG Output

▪ Forward / Reverse Direction

▪ Package

It uses hall element signal inputs and generates motor

Output pre-driver is optimized to work with external

Using the NJW4305, 3-phase DC motor application with speed

PWM 3-PHASE DC BRUSHLESS MOTOR CONTROLLER

: 7.0V ~ 38V

: 4.1mA typ.

: 100mA

: -40ºC ~ +105ºC ( T Series ）

: ILIMIT, UVLO, TSD, LD

: SSOP-20-C3

: FR Function

: Vref（for HB）

: BR Function

: FR+Vref+BR+Small PKG

NJW4305

■ PACKAGE OUTLINE

■ BLOCK DIAGLAM

VERR

OSC

H1+

H1-

H2+

H2-

H3+

H3-

NJW4305XVC3/T

TSD

Saw

Oscillator

Dead

Time

Position

Decode

PWM Logic

UVLO

Rotor

Detect

Lock

Local

Oscillator

VREF

VCC

ILIMIT

GND

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