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33991 PDF 데이터시트 ( Data , Function )

부품번호 33991 기능
기능 Gauge Driver Integrated Circuit
제조업체 Motorola Inc
로고 Motorola  Inc 로고 


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33991 데이터시트, 핀배열, 회로
Freescale Semiconductor
Technical Data
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
Document Number: MC33991
Rev. 2.0, 11/2006
33991
GAUGE DRIVER INTEGRATED CIRCUIT
DW SUFFIX
EG SUFFIX (PB-FREE)
98ASB42344B
24-PIN SOICW
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
MC33991DW/R2
MCZ33991EG/R2
-40 to 125°C
SOICW
VPWR
5.0 V
Regulator
MCU
33991
VPWR
VDD
RT
RS
CS
SCLK
SI
SO
SIN1+
SIN1-
COS1+
COS1-
Motor 1
SIN2+
SIN2-
COS2+
COS2-
GND
Motor 2
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.
© Freescale Semiconductor, Inc., 2006. All rights reserved.




33991 pdf, 반도체, 판매, 대치품
PIN CONNECTIONS
Table 1. 33991 Pin Definitions (continued)
Pin Number
15
Pin Name
RST
Definitions
Reset. If the master decides to reset the device, or place it into a sleep state, the RST pin is driven to a
logic 0. A logic 0 on the RST pin will force all internal logic to the known default state. This input has an
internal active pull-up.
16
VPWR
Battery Voltage. Power supply.
17 - 20
GND
Ground. These pins serve as the ground for the source of the low-side output transistors as well as the
logic portion of the device. They also help dissipate heat from the device.
21
SIN1-
H-Bridge Output. This is the output pin of a half bridge, designed to source or sink current. The H-Bridge
pins linearly drive the sine and cosine coils of two separate stepper motors to provide four-quadrant
operation.
22
SIN1+
H-Bridge Output. This is the output pin of a half bridge, designed to source or sink current. The H-Bridge
pins linearly drive the sine and cosine coils of two separate stepper motors to provide four-quadrant
operation.
23
COS1-
H-Bridge Output. This is the output pin of a half bridge, designed to source or sink current. The H-Bridge
pins linearly drive the sine and cosine coils of two separate stepper motors to provide four-quadrant
operation.
24
COS1+
H-Bridge Output. This is the output pin of a half bridge, designed to source or sink current. The H-Bridge
pins linearly drive the sine and cosine coils of two separate stepper motors to provide four-quadrant
operation.
33991
4
Analog Integrated Circuit Device Data
Freescale Semiconductor

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33991 전자부품, 판매, 대치품
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics (continued)
(Characteristics noted under conditions 4.75 V < VDD < 5.25 V, -40°C < TJ < 150°C, unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
Unit
POWER OUTPUTS
Microstep Output (measured across coil outputs)
Sin0,1, ± (Cos0,1, ±) (see 33991 Pinout)
Rout = 200
steps 6,18 (0,12)
steps 5, 7, 17,19 (1,11,13, 23)
steps 4, 8.16, 20 (2,10,14, 22)
steps 3, 9,15, 21 (3, 9,15, 21)
steps 2,10,14, 22 (4, 8,16, 20)
steps 1,11,13, 23 (5, 7,17,19)
steps 0,12 (6,18)
Full step Active Output (measured across coil outputs)
Sin0,1, ± (Cos0,1, ±) (see Figure 4)
steps 1, 3 (0, 2)
Microstep, Full Step Output (measured from coil low side to ground)
Sin0,1, ± (Cos0,1, ±) IOUT = 30mA
Output Flyback Clamp (8)
Output Current Limit (Out = VSTP6)
Over temperature Shutdown
Over temperature Hysteresis (8)
Notes
8. Not 100 percent tested.
VST6
VST5
VST4
VST3
VST2
VST1
VST0
4.9
0.94XVST6
0.84XVST6
0.69XVST6
0.47XVST6
0.23XVST6
-0.1
5.3
0.97XVST6
0.87XVST6
0.71XVST6
0.50XVST6
0.26XVST6
0
6.0
1.00XVST6
0.94XVST6
0.79XVST6
0.57XVST6
0.31XVST6
0.1
V
VFS 4.9 5.3
V
6.0
VLS
VFB
ILIM
OTSD
OTHYST
0 0.1 0.3 V
VST1+0.5 VST1+1.0
V
40 100 170 mA
155 —
180 °C
8 — 16 °C
Analog Integrated Circuit Device Data
Freescale Semiconductor
33991
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