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MCZ33991EGR2 Arkusz danych(PDF) 1 Page - Freescale Semiconductor, Inc

Numer części MCZ33991EGR2
Szczegółowy opis  Gauge Driver Integrated Circuit
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Producent  FREESCALE [Freescale Semiconductor, Inc]
Strona internetowa  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

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Freescale Semiconductor, Inc. reserves the right to change the detail specifications,
as may be required, to permit improvements in the design of its products.
Document Number: MC33991
Rev. 2.0, 11/2006
Freescale Semiconductor
Technical Data
© Freescale Semiconductor, Inc., 2006. All rights reserved.
Gauge Driver Integrated Circuit
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.
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:
Features
• 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
• 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
Figure 1. 33991 Simplified Application Diagram
GAUGE DRIVER INTEGRATED CIRCUIT
DW SUFFIX
EG SUFFIX (PB-FREE)
98ASB42344B
24-PIN SOICW
33991
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
MC33991DW/R2
-40 to 125°C
SOICW
MCZ33991EG/R2
5.0 V
Regulator
MCU
Motor 1
Motor 2
VPWR
33991
VPWR
VDD
RT
RS
CS
SCLK
SI
SO
SIN1+
SIN1-
COS1+
COS1-
SIN2+
SIN2-
COS2+
COS2-
GND


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