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UC3717AQTRG3 PDF预览

UC3717AQTRG3

更新时间: 2024-11-18 12:47:15
品牌 Logo 应用领域
德州仪器 - TI 运动控制电子器件信号电路电动机控制电机驱动
页数 文件大小 规格书
12页 648K
描述
Stepper Motor Drive Circuit

UC3717AQTRG3 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:QLCC
包装说明:GREEN, PLASTIC, LCC-20针数:20
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.62
Is Samacsys:N其他特性:IT ALSO REQUIRES 10V TO 46V SUPPLY
模拟集成电路 - 其他类型:STEPPER MOTOR CONTROLLERJESD-30 代码:S-PQCC-J20
JESD-609代码:e3长度:8.965 mm
湿度敏感等级:2功能数量:1
端子数量:20最高工作温度:70 °C
最低工作温度:最大输出电流:1.2 A
封装主体材料:PLASTIC/EPOXY封装代码:QCCJ
封装等效代码:LDCC20,.4SQ封装形状:SQUARE
封装形式:CHIP CARRIER峰值回流温度(摄氏度):260
电源:5,10/40 V认证状态:Not Qualified
座面最大高度:4.57 mm子类别:Motion Control Electronics
最大供电电流 (Isup):15 mA最大供电电压 (Vsup):5.25 V
最小供电电压 (Vsup):4.75 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:BIPOLAR
温度等级:COMMERCIAL端子面层:Matte Tin (Sn)
端子形式:J BEND端子节距:1.27 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:8.965 mmBase Number Matches:1

UC3717AQTRG3 数据手册

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UC3717A  
Stepper Motor Drive Circuit  
FEATURES  
DESCRIPTION  
Full-Step, Half-Step and Micro-Step  
Capability  
The UC3717A is an improved version of the UC3717, used to switch  
drive the current in one winding of a bipolar stepper motor. The  
UC3717A has been modified to supply higher winding current, more  
reliable thermal protection, and improved efficiency by providing inte-  
grated bootstrap circuitry to lower recirculation saturation voltages.  
The diagram shown below presents the building blocks of the  
UC3717A. Included are an LS-TTL compatible logic input, a current  
sensor, a monostable, a thermal shutdown network, and an H-bridge  
output stage. The output stage features built-in fast recovery com-  
mutating diodes and integrated bootstrap pull up. Two UC3717As  
and a few external components form a complete control and drive  
unit for LS-TTL or micro-processor controlled stepper motor systems.  
Bipolar Output Current up to 1A  
Wide Range of Motor Supply Voltage  
10-46V  
Low Saturation Voltage with Integrated  
Bootstrap  
Built-In Fast Recovery Commutating  
Diodes  
Current Levels Selected in Steps or Varied  
Continuously  
The UC3717A is characterized for operation over the temperature  
range of 0°C to +70°C.  
Thermal Protection with Soft Intervention  
ABSOLUTE MAXIMUM RATINGS (Note 1)  
Voltage  
Logic Supply, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V  
Output Supply, Vm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50V  
Input Voltage  
Note 1: All voltages are with respect to ground, Pins 4,  
5, 12, 13. Currents are positive into, negative out of the  
specified terminal. Pin numbers refer to DIL-16 pack-  
age.  
Consult Packaging Section of Databook for thermal limi-  
tations and considerations of package.  
Logic Inputs (Pins 7, 8, 9) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V  
Analog Input (Pin 10). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCC  
Reference Input (Pin 11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V  
Input Current  
Logic Inputs (Pins 7, 8, 9) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -10mA  
Analog Inputs (Pins 10, 11). . . . . . . . . . . . . . . . . . . . . . . . . . . . -10mA  
±
Output Current (Pins 1, 15) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2A  
Junction Temperature, TJ. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C  
Storage Temperature Range, TS . . . . . . . . . . . . . . . . . . -55°C to +150°C  
BLOCK DIAGRAM  
4/97  
1

UC3717AQTRG3 替代型号

型号 品牌 替代类型 描述 数据表
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