Datasheet > MCZ33991EG

MCZ33991EG

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		驱动器仪表
页数	文件大小	规格书
36页	1557K
描述
Gauge Driver Integrated Circuit

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数据手册

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MCZ33991EG 数据手册

Document Number: MC33991

Rev. 2.0, 11/2006

Freescale Semiconductor

Technical Data

Gauge Driver Integrated Circuit

33991

This 33991 is a single packaged, Serial Peripheral Interface (SPI)

controlled, dual stepper motor gauge driver Integrated Circuit (IC).

This monolithic IC consists of four dual output H-Bridge coil drivers

and the associated control logic. Each pair of H-Bridge drivers is used

to automatically control the speed, direction and magnitude of current

through the two coils of a two-phase instrumentation stepper motor,

similar to an MMT licensed AFIC 6405.

GAUGE DRIVER INTEGRATED CIRCUIT

This device is ideal for use in automotive instrumentation systems

requiring distributed and flexible stepper motor gauge driving. The

device also eases the transition to stepper motors from air core

motors by emulating the air core pointer movement with little

additional processor bandwidth utilization.

The device has many attractive features including:

DW SUFFIX

EG SUFFIX (PB-FREE)

98ASB42344B

Features

24-PIN SOICW

• MMT-Licensed Two-Phase Stepper Motor Compatible

• Minimal Processor Overhead Required

• Fully Integrated Pointer Movement and Position State Machine

with Air Core Movement Emulation

• 4096 Possible Steady State Pointer Positions

• 340° Maximum Pointer Sweep

• Linear 4500° ²

ORDERING INFORMATION

Temperature

Device

Package

Range (T )

MC33991DW/R2

MCZ33991EG/R2

-40 to 125°C

SOICW

• Maximum Pointer Velocity of 400°

• Analog Microstepping (12 Steps/Degree of Pointer Movement)

• Pointer Calibration and Return to Zero

• SPI Controlled 16-Bit Word

• Calibratable Internal Clock

• Low Sleep Mode Current

• Pb-Free Packaging Designated by Suffix Code EG

PWR

33991

VPWR

SIN1+

SIN1-

5.0 V

Regulator

Motor 1

VDD

COS1+

COS1-

SCLK

SIN2+

SIN2-

Motor 2

MCU

COS2+

COS2-

GND

Figure 1. 33991 Simplified Application Diagram

Freescale Semiconductor, Inc. reserves the right to change the detail specifications,

as may be required, to permit improvements in the design of its products.

12 3 4 5 6 7...36

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