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STK672-630CN-E 데이터시트(PDF) 1 Page - ON Semiconductor |
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STK672-630CN-E 데이터시트(HTML) 1 Page - ON Semiconductor |
1 / 31 page 31814HK 018-14-0003 No.2316-1/31 Semiconductor Components Industries, LLC, 2014 March, 2014 Ver. 2.2 http://onsemi.com STK672-630CN-E Overview The STK672-630CN-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 motor terminal open detection function(output current OFF). There is a terminal to coordinate motor terminal open detection current. Built-in overcurrent detection function, overheat detection function (output current OFF). FAULT1 signal (active low) is output when any of motor terminal open, overcurrent or overheat is detected. The FAULT2 signal is used to output the result of activation of protection circuit detection at 3 levels. 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. Using either or both edges of the clock signal 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 (0.141Ω: 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 STK672-640CN-E. Specifications Absolute Maximum Ratings at Tc = 25 C Parameter Symbol Conditions Ratings Unit Maximum supply voltage 1 VCC max ENABLE=GND 50 V Maximum supply voltage 2 VDD max No signal 0.3 to 6.0 V Input voltage Vin max Logic input pins 0.3 to 6.0 V Output current 1 IOP max 10μs 1 pulse (resistance load) 10 A Output current 2 IOH max VDD = 5V, CLOCK 200Hz 2.65 A Output current 3 IOF max 16pin Output current 10 mA Allowable power dissipation 1 PdMF max With an arbitrarily large heat sink. Per MOSFET 7.3 W Allowable power dissipation 2 PdPK max No heat sink 3.1 W Operating substrate temperature Tcmax 105 °C Junction temperature Tjmax 150 °C Storage temperature Tstg 40 to 125 °C Thick-Film Hybrid IC 2-phase Stepper Motor Driver ORDERING INFORMATION See detailed ordering and shipping information on page 31 of this data sheet. Ordering number : ENA2316 Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. |
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