L6228PD Datasheet

IC型號：
L6228PD
PDF描述：
DMOS DRIVER FOR BIPOLAR STEPPER MOTOR
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445.16KB
PDF頁數(shù)：
26頁
芯片廠家：
STMICROELECTRONICS

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L6228

DMOS DRIVER FOR BIPOLAR STEPPER MOTOR

OPERATING SUPPLY VOLTAGE FROM 8 TO 52V

2.8A OUTPUT PEAK CURRENT (1.4A RMS)

DS(ON)

0.73鈩?TYP. VALUE @ T

= 25擄C

OPERATING FREQUENCY UP TO 100KHz

NON DISSIPATIVE OVERCURRENT

PROTECTION

DUAL INDEPENDENT CONSTANT t

OFF

PWM

CURRENT CONTROLLERS

FAST/SLOW DECAY MODE SELECTION

FAST DECAY QUASI-SYNCHRONOUS

RECTIFICATION

DECODING LOGIC FOR STEPPER MOTOR

FULL AND HALF STEP DRIVE

CROSS CONDUCTION PROTECTION

THERMAL SHUTDOWN

UNDER VOLTAGE LOCKOUT

INTEGRATED FAST FREE WHEELING DIODES

PowerDIP24

(20+2+2)

PowerSO36

SO24

(20+2+2)

ORDERING NUMBERS:

L6228N (PowerDIP24)

L6228PD (PowerSO36)

L6228D (SO24)

TYPICAL APPLICATIONS

BIPOLAR STEPPER MOTOR

DESCRIPTION

The L6228 is a DMOS Fully Integrated Stepper Motor

Driver with non-dissipative Overcurrent Protection,

realized in MultiPower-BCD technology, which com-

BLOCK DIAGRAM

bines isolated DMOS Power Transistors with CMOS

and bipolar circuits on the same chip. The device in-

cludes all the circuitry needed to drive a two-phase

bipolar stepper motor including: a dual DMOS Full

Bridge, the constant off time PWM Current Controller

that performs the chopping regulation and the Phase

Sequence Generator, that generates the stepping

sequence. Available in PowerDIP24 (20+2+2),

PowerSO36 and SO24 (20+2+2) packages, the

L6228 features a non-dissipative overcurrent protec-

tion on the high side Power MOSFETs and thermal

shutdown.

VBOOT

BOOT

CHARGE

PUMP

OCD

OVER

CURRENT

DETECTION

10V

VCP

OUT1

OUT2

THERMAL

PROTECTION

CONTROL

GATE

LOGIC

SENSE

HALF/FULL

CLOCK

RESET

CW/CCW

STEPPING

SEQUENCE

GENERATION

ONE SHOT

MONOSTABLE

PWM

MASKING

TIME

SENSE

COMPARATOR

BRIDGE A

OVER

CURRENT

DETECTION

GATE

LOGIC

BRIDGE B

VREF

VOLTAGE

REGULATOR

OUT1

OUT2

SENSE

VREF

10V

D01IN1225

September 2003

This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

1/26

其它有關(guān)文件
L6228 View All Specifications
產(chǎn)品培訓(xùn)模塊
Small Motor Drivers
標(biāo)準(zhǔn)包裝
31
類別
集成電路 (IC)
家庭
PMIC - 電機(jī)和風(fēng)扇控制器，驅(qū)動器
系列
-
應(yīng)用
步進(jìn)電機(jī)驅(qū)動器
評估套件
可供
輸出數(shù)
1
電流 - 輸出
1.4A
電壓 - 負(fù)載
-
電源電壓
8 V ~ 52 V
工作溫度
-25°C ~ 125°C
安裝類型
表面貼裝
封裝/外殼
36-BSSOP（0.433"，11.00mm 寬）裸露焊盤
供應(yīng)商設(shè)備封裝
PowerSO-36
包裝
管件
配用
497-6818-ND - EVAL BOARD FOR L6228Q
其它名稱
497-5351-5L6228PD-ND

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