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參數資料
| 型號： | SAA1042V |
| 廠商： | MOTOROLA INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | STEPPER MOTOR DRIVER |
| 中文描述： | STEPPER MOTOR CONTROLLER, 0.5 A, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 100K |
| 代理商： | SAA1042V |
Device
Operating
Temperature Range
Package
SEMICONDUCTOR
TECHNICAL DATA
STEPPER MOTOR
DRIVER
ORDERING INFORMATION
SAA1042V
TJ = – 30
°
to +125
°
C
Plastic DIP
V SUFFIX
PLASTIC PACKAGE
CASE 648C
PIN CONNECTIONS
Order this document by SAA1042/D
(Top View)
1
L3
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
Gnd
L2
Full/Half
Step
CW/CCW
Clock
Set/
Driver Bias
VCC
Gnd
Gnd
L4
L1
VD
VM
16
1
1
MOTOROLA ANALOG IC DEVICE DATA
The SAA1042 drives a two–phase stepper motor in the bipolar mode. The
device contains three input stages, a logic section and two output stages.
The IC is contained in a 16 pin dual–in–line heat tab plastic package for
improved heatsinking capability. The center four ground pins are connected
to the copper alloy heat tab and improve thermal conduction from the die to
the circuit board.
Drive Stages Designed for Motors: 6.0 V and 12 V: SAA1042V
500 mA/Coil Drive Capability
Built–In Clamp Diodes for Overvoltage Suppression
Wide Logic Supply Voltage Range
Accepts Commands for CW/CCW and Half/Full Step Operation
Inputs Compatible with Popular Logic Families: MOS, TTL, DTL
Set Input Defined Output State
Drive Stage Bias Adaptable to Motor Power Dissipation for
Optimum Efficiency
Figure 1. Representative Block Diagram
CW/CCW
3
A
Set
Full/
Half Step
Clock
8
10
7
VCC
Logic
11
M
VZ
VD
2
15
VM
Driver
1
L1
L2
Driver Bias
9
RB
Gnd
6
16
L3
L4
14
Driver
Motorola, Inc. 1996
Rev 2
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