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CS3717A/D

更新时间： 2024-09-23 23:43:39
品牌 Logo 应用领域
其他 - ETC 驱动器电机
页数 文件大小 规格书
8页 74K
描述
1A H-Bridge Stepper Motor Drive

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中文翻译

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CS3717A/D 数据手册

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CS3717A  
1A H-Bridge Stepper Motor Driver  
Description  
Features  
The CS3717A controls and drives  
one phase of a bipolar stepper motor driver with four internal clamp  
The power section is a full H-bridge  
Full/Half /Quarter Step  
Operation  
ꢀ
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-  
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.  
Output Current Up to 1 A  
ꢀ
ꢀ
Motor Supply Voltage  
10V to 46V  
ꢀ Integrated Bootstrap  
Lowers Saturation Voltage  
The recommended operating ambient  
temperature range is from 0° to 70°C.  
ꢀ Built In Protection Diodes  
grammed by an external RC net-  
work, sets the current decay time.  
ꢀ Externally Selectable  
The CS3717A is supplied in a 16 lead  
PDIP.  
Current Level  
ꢀ Digital or Analog Control  
Absolute Maximum Ratings  
of Output Current Level  
ꢀ Thermal Overload  
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  
Protection  
ꢀ Minimum External  
Components  
Package Options  
Wave Solder(through hole styles only) ...........10 sec. max, 260°C peak  
16L PDIP  
(Internally Fused Leads)  
lock Diagram  
VDD  
V
DD  
IN1  
DIRECTION  
OUTB  
OUTA  
IN0  
A
B
OUTB  
Pulse  
1
Sense  
OUTA  
VCC  
REF  
V
V
DD  
B
DD  
A
Gnd  
Gnd  
Gnd  
Gnd  
00  
01  
10  
11  
V
6KΩ  
+
-
V
V
CC  
REF  
IN1  
Comp In  
IN0  
223Ω  
+
-
DIRECTION  
+
-
223Ω  
105Ω  
MONO-  
STABLE  
THERMAL  
SHUTDOWN  
Gnd  
Comp In  
Pulse  
Sense  
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  
December, 2001 - Rev. 4  
1
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