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STK672-432A-E bảng dữ liệu(PDF) 7 Page - ON Semiconductor |
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STK672-432A-E bảng dữ liệu(HTML) 7 Page - ON Semiconductor |
7 / 21 page STK672-432A-E No.A1586-7/21 • Motor current peak value IOH setting [Smoke Emission Precuations] If Pin 18 (S.G terminal) is attached to the PCB without using solder, overcurrent may flow into the MOSFET at VCCON (24V ON), to emit smoke because 5V circuits cannot be controlled. In addition, as long as one of the output Pins, 1, 3, 4, or 5, is open, inductance energy stored in the motor results in electrical stress on the driver, possibly resulting in the emission of smoke. Function Table M2 0 0 1 1 M1 M3 0 1 0 1 CLOCK Edge Timing for Phase Switching 1 2-phase excitation selection 1-2-phase excitation (IOH=100%) W1-2 phase excitation 2W1-2 phase excitation CLOCK rising edge 0 1-2 phase excitation (IOH=100%, 71%) W1-2 phase excitation 2W1-2 phase excitation 4W1-2 phase excitation CLOCK both edges IOH=100% results in the Vref voltage setting, IOH. During 1-2 phase excitation, the hybrid IC operates at a current setting of IOH=100% when the CLOCK signal rises. Conversely, pseudo micro current control is performed to control current at IOH=100% or 71% at both edges of the CLOCK signal. CWB pin Forward/CW 0 Reverse/CCW 1 ENABLE • RESETB pin ENABLE Motor current cut: Low RESETB Active Low IOH 0 |
Số phần tương tự - STK672-432A-E |
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Mô tả tương tự - STK672-432A-E |
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