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參數(shù)資料
| 型號(hào)： | CS3717AGNF16 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 1 A, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, MS-001, DIP-16 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 72K |
| 代理商： | CS3717AGNF16 |
1
CS3717A
Features
s
Full/Half /Quarter Step
Operation
s
Output Current Up to 1 A
s
Motor Supply Voltage
10V to 46V
s
Integrated Bootstrap
Lowers Saturation Voltage
s
Built In Protection Diodes
s
Externally Selectable
Current Level
s
Digital or Analog Control
of Output Current Level
s
Thermal Overload
Protection
s
Minimum External
Components
Package Options
1A H-Bridge Stepper Motor Driver
CS3717A
Description
Block Diagram
16L PDIP
(Internally Fused Leads)
1
OUTB
Pulse
VDD
B
Gnd
VCC
IN1
DIRECTION
Sense
OUTA
VDD
A
Gnd
VREF
Comp In
IN0
Gnd
December, 2001 - Rev. 4
ON Semiconductor
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885–3600 Fax: (401)885–5786
N. American Technical Support: 800-282-9855
Web Site: www.cherry–semi.com
ARCHIVE
DEVICE
NOT
RECOMMENDED
FOR
NEW
DESIGN
The CS3717A controls and drives
one phase of a bipolar stepper motor
with chopper control of the phase
current. Current levels may be
selected in three steps by means of
two logic inputs which select one of
three current comparators. When
both of these inputs are high the
device is disabled. A separate logic
input controls the direction of cur-
rent flow. A monostable, pro-
grammed by an external RC net-
work, sets the current decay time.
The power section is a full H-bridge
driver with four internal clamp
diodes for current recirculation. An
external connection to the lower
emitters is available for the insertion
of a sensing resistor. Two CS3717A’s
and several external components
form a complete stepper motor drive
subsystem.
The recommended operating ambient
temperature range is from 0° to 70°C.
The CS3717A is supplied in a 16 lead
PDIP.
Power Supply Voltage (VDDA, VDDB)............................................................50V
Logic Supply Voltage (VCC) .............................................................................7V
Logic Input Voltage (IN0, IN1, DIRECTION) ...............................................6V
Comparator Input............................................................................................VCC
Reference Input Voltage..................................................................................15V
Output Current (DC Operation)...................................................................1.2A
Storage Temperature .................................................................–55°C to +150°C
Operating Junction Temperature ............................................–40°C to +150°C
Lead Temperature Soldering
Wave Solder(through hole styles only) ...........10 sec. max, 260°C peak
Absolute Maximum Ratings
THERMAL
SHUTDOWN
VDD
A
Pulse
Comp In
Sense
OUTA OUTB VDDB
DIRECTION
IN1
IN0
VCC
VREF
Gnd
+
-
+
-
+
-
MONO-
STABLE
105
223
223
6K
00
01
10
11
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