NJW4372 NJRC [New Japan Radio], NJW4372 Datasheet

NJW4372

Manufacturer Part Number

NJW4372

Description

Pulse Input Stepper Motor Driver

Manufacturer

NJRC [New Japan Radio]

Datasheet

1.NJW4372.pdf (1 pages)

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Ver.2010/09/03　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

■ GENERAL DESCRIPTION

■ FEATURE

characterized as highly efficient. The control method

used is a simple pulse train input control (STEP & DIR)

method of programming. The drive stage consists of

DMOS H bridges.

effective and low heating value. Supply / interface voltage

corresponds to the logic, 3.3V / 5.0V. NJW4372 has PWM

current control circuits, Torque set, Enable and PD functions.

The NJW4372 is a bipolar drive stepper motor driver IC

Therefore, motor drive application circuit is composed of highly

The functions are easy and convenient to operate and suitable

for a wide range of applications.

▪ Supply Voltage

▪ Motor Supply Voltage

▪ Output Current

▪ ON Resistance Output

▪ Quiescent Current

▪ Pulse Input ( STEP & DIR ) Control

▪ TTL Compatible Input

▪ ENABLE / PD( Power down and Reset ) function

▪ PWM Constant Current Control Circuit

▪ Torque Control Function ( TOR )

▪ Protection Circuit

▪ Package

: 2.7V ~ 5.5V

: 10V ~ 38V

: 500mA / ch

: R

: I

: UVLO, THD

: SDIP-22 / SSOP32

= 1.65Ω ( typ. )

= 300 µA ( typ. )

Pulse Input Stepper Motor Driver

NJW4372

■ PACKAGE OUTLINE

■ BLOCK DIAGLAM

ENABLE

BRAKE

RESET

TOR1

TOR2

STEP

HSM

GND

DIR

NJW4372L

BIAS

VDD

POR

NJW4372V

OSC

PROTECTION

UVLO_VDD

UVLO_VMM

VMM

TSD

VMM

SENSE1

OUT1A

OUT1B

OUT2A

OUT2B

SENSE2

ALARM

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