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Freescale Semiconductor Electronic Components Datasheet

PC33991 Datasheet

Gauge Driver Integrated Circuit

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Freescale Semiconductor, Inc.
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Document order number: MC33991/D
Rev. 0, 10/2002
Preliminary Information
Gauge Driver Integrated Circuit
The 33991device 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 2-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:
• 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
•3 40° maximum pointer sweep
• Linear 4500° 2
• Max pointer velocity of 400°
• Analog micro stepping (12 steps/degree of pointer movement)
• Pointer calibration and return to zero
• SPI controlled 16-bit word
• Calibratable Internal Clock
• Low Sleep mode current
33991
GAUGE DRIVER
INTEGRATED CIRCUIT
DW SUFFIX
PLASTIC PACKAGE
CASE 751E-04
SOICW
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
PC33991DH/R2 -40 to 125°C
SOICW
33991 Simplified Application Schematic
BATTERY
5V
REG
0.1
VDD
0.1
MCU
MCU
RTZ
RSTB
CSB
SCLK
SI
SO
MC3339399191
GGDIC
GND
SIN0+
SIN0-
MOTOR 0
COS0+
COS0-
SIN1+
SIN1-
COS1+
COS1-
MOTOR 1
TYPICAL APPLICATION
This document contains information on a product under development.
Motorola reserves the right to change or discontinue this product without notice.
© Motorola, Inc. 2002
For More Information On This Product,
Go to: www.freescale.com
http://www.Datasheet4U.com/


Freescale Semiconductor Electronic Components Datasheet

PC33991 Datasheet

Gauge Driver Integrated Circuit

No Preview Available !

Freescale Semiconductor, Inc.
VDD
VPWR
CS
SCLK
SO
SI
SPI
Internal
Reference
COS0
SIN0
COS1
RST
LOGIC
Under
&
Over
Voltage
Detect
Oscillator
ILIM
H-BRIDGE
&
CONTROL
Over Temp SIN1
GND
Figure 1. 33991 Block Diagram
COS0+
COS0-
SIN0+
SIN0-
COS1+
COS1+
RTZ RTZ
SIN1+
SIN1-
33991
2
For More Information OMnOTTOhRiOsLAPrAoNdALuOcGt,INTEGRATED CIRCUIT DEVICE DATA
Go to: www.freescale.com
http://www.Datasheet4U.com/


Part Number PC33991
Description Gauge Driver Integrated Circuit
Maker Freescale Semiconductor
Total Page 30 Pages
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