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STK672-640AN-E

更新时间： 2024-11-14 11:13:43
品牌 Logo 应用领域
安森美 - ONSEMI 电机驱动驱动器
页数 文件大小 规格书
28页 455K
描述
单极 2 相步进电机驱动器

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STK672-640AN-E 数据手册

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Ordering number : ENA2276A  
STK672-640AN-E  
Thick-Film Hybrid IC  
2-phase Stepper Motor Driver  
http://onsemi.com  
Overview  
The STK672-640AN-E is a hybrid IC for use as a unipolar, 2-phase stepper motor driver with PWM current control.  
Applications  
Office photocopiers, printers, etc.  
Features  
Built-in overcurrent detection function, overheat detection function (output current OFF).  
FAULT signal (active low) is output when overcurrent or overheat is detected.  
Built-in power on reset function.  
The motor speed is controlled by the frequency of an external clock signal.  
2 phase or 1-2 phase excitation switching function.  
Phase is maintained even when the excitation mode is switched.  
Rotational direction switching function.  
Supports schmitt input for 2.5V high level input.  
Incorporating a current detection resistor (0.089Ω: resistor tolerance 2%), motor current can be set using two  
external resistors.  
The ENABLE pin can be used to cut output current while maintaining the excitation mode.  
With a wide current setting range, power consumption can be reduced during standby.  
No motor sound is generated during hold mode due to external excitation current control.  
Supports compatible pins with STK672-642AN/-630AN/-632AN-E.  
Specifications  
Absolute Maximum Ratings at Tc = 25C  
Parameter  
Maximum supply voltage 1  
Maximum supply voltage 2  
Input voltage  
Symbol  
Conditions  
Ratings  
Unit  
V
V
V
max  
No signal  
52  
0.3 to 6.0  
0.3 to 6.0  
20  
CC  
max  
No signal  
V
DD  
Vin max  
IOP max  
IOH max  
IOF max  
PdMF max  
PdPK max  
Tcmax  
Logic input pins  
V
Output current 1  
10μs 1 pulse (resistance load)  
= 5V, CLOCK 200Hz  
A
Output current 2  
V
A
4.0  
DD  
Output current 3  
16pin Output current  
mA  
W
W
°C  
°C  
°C  
10  
Allowable power dissipation 1  
Allowable power dissipation 2  
Operating substrate temperature  
Junction temperature  
Storage temperature  
With an arbitrarily large heat sink. Per MOSFET  
No heat sink  
8.3  
3.1  
105  
Tjmax  
150  
Tstg  
40 to 125  
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating  
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.  
ORDERING INFORMATION  
See detailed ordering and shipping information on page 28 of this data sheet.  
Semiconductor Components Industries, LLC, 2014  
January, 2014 Ver. 2.2  
102014HK/10914HK 018-13-0063 No.A2276-1/28  
1234567...28

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STK672-640AN-E 替代型号

型号 品牌 替代类型 描述 数据表
STK672-642AN-E ONSEMI

完全替代

 单极 2 相步进电机驱动器

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