Datasheet > UPD16818GS

UPD16818GS

更新时间： 2024-11-06 23:39:47

品牌	Logo	应用领域
其他 - ETC		驱动器接口集成电路光电二极管电机控制器
页数	文件大小	规格书
16页	120K
描述
Stepper Motor Controller/Driver

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中文翻译

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UPD16818GS 数据手册

DATA SHEET

MOS INTEGRATED CIRCUIT

µPD16818

MONOLITHIC DUAL H BRIDGE DRIVER CIRCUIT

DESCRIPTION

The µPD16818 is a monolithic dual H bridge driver IC which uses N-channel power MOS FETs in its output stage. By

employing the power MOS FETs for the output stage, this driver circuit has a substantially improved saturation voltage and

power consumption as compared with conventional driver circuits that use bipolar transistors.

In addition, the drive current can be adjusted by an external resistor in power-saving mode.

The µPD16818 is therefore ideal as the driver circuit of a 2-phase excitation, bipolar-driven stepping motor for the head

actuator of an FDD.

FEATURES

•

Compatible with 3V-/5V- supply voltage

Pin compatible with µPD16803

Low ON resistance (sum of ON resistors of top and bottom MOS FETs)

R^ON1= 1.2 Ω (VM = 3.0 V)

R^ON2= 1.0 Ω (VM = 5.0 V)

•

Low current consumption: I^DD= 0.4 mA TYP. (VDD = 2.7 V to 3.6 V)

Stop mode function that turns OFF all output MOS FETs

Drive current can be set in power-saving mode (set by external resistor)

Compact surface mount package

ORDERING INFORMATION

Part Number

Package

µPD16818GS

20-pin plastic SOP (300 mil)

20-pin plastic SSOP (225 mil)

µPD16818GR-8JG

ABSOLUTE MAXIMUM RATINGS (TA = 25 °C)

Parameter

Symbol

Condition

Rating

Unit

Supply voltage

Motor block

–0.5 to +7.0

Control block

VDD

Note 1

Power

µPD16818GS

PD1

1.0

Note 2

consumption

PD2

1.25

Note 2

µPD16818GR-8JG

PD2S

ID (pulse)

VIN

0.79

Note 2

Instantaneous H bridge drive current

Input voltage

PW ≤ 5 ms, Duty ≤ 40 %

±1.0

–0.5 to VDD + 0.5

0 to 60

Operating temperature range

Operation junction temperature

Storage temperature range

°C

TJ (MAX)

Tstg

150

–55 to +150

Notes 1. IC only

2. When mounted on a glass epoxy printed circuit board (100 mm × 100 mm × 1 mm)

The information in this document is subject to change without notice.

Document No. S11365EJ2V0DS00 (2nd edition)

Date Published December 1997 N

Printed in Japan

1997

12 3 4 5 6 7...16

中文翻译

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