Datasheet > MCZ33977EG

MCZ33977EG

更新时间： 2024-09-17 03:49:59

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		驱动器光电二极管电动机控制仪表
页数	文件大小	规格书
37页	1775K
描述
Single Gauge Driver

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数据手册

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MCZ33977EG 数据手册

Document Number: MC33977

Rev. 2.0, 1/2007

Freescale Semiconductor

Technical Data

Single Gauge Driver

33977

The 33977 is a Serial Peripheral Interface (SPI) Controlled, stepper

motor gauge driver Integrated Circuit (IC). This monolithic IC consists

of a dual H-Bridge coil driver and its associated control logic. The H-

Bridge drivers are used to automatically control the speed, direction,

and magnitude of current through the coils of a two-phase

instrumentation stepper motor, similar to an MMT-licensed AFIC 6405

of Switec MS-X156.xxx motor.

SINGLE GAUGE DRIVER

The 33977 is ideal for use in 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 damped air core pointer movement.

Features

• MMT-Licensed Two-Phase Stepper Motor Compatible

• Switec MS-X15.xxx 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

• Maximum Acceleration of 4500°/s²

DW SUFFIX

EG SUFFIX (Pb-FREE)

98ASB42344B

24-PIN SOICW

• Maximum Pointer Velocity of 400°/s

ORDERING INFORMATION

Temperature

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

• Pointer Calibration and Return to Zero (RTZ)

• Controlled via 16-Bit SPI Messages

Device

Package

Range (T )

• Internal Clock Capable of Calibration

• Low Sleep Mode Current

• Pb-Free Packaging Designated by suffix code EG

MC33977DW/R2

-40°C to 125°C

24 SOICW

MCZ33977EG/R2

PWR

33977

VPWR

5.0 V

Regulator

VDD

SIN+

SIN-

Motor

RTZ

RST

COS+

COS-

MCU

SCLK

GND

Figure 1. 33977 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...37

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