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STK672-732A-E Scheda tecnica(PDF) 6 Page - Sanyo Semicon Device |
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STK672-732A-E Scheda tecnica(HTML) 6 Page - Sanyo Semicon Device |
6 / 19 page STK672-732A-E No. A1590-6/19 [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), causing to emit smoke because 5V circuits cannot be controlled. In addition, as long as one of the output Pins, 1, 3, 5, or 7, is open, inductance energy stored in the motor results in electrical stress on the driver, possibly resulting in the emission of smoke. Input Pin Functions Pin Name Pin No. Function Input Conditions When Operating φA 13 Pin 5, phase A output φAB 17 Pin 7, phase AB output φB 12 Pin 3, phase B output φBB 10 Pin 1, phase BB output Low active (with a function to prevent simultaneous ON of φA and φAB, or φB and φBB) RESETB 14 System reset A reset is applied by a low level ENABLE 15 A, AB, B, and, BB outputs cut off A, AB, B, and BB outputs are cut off by a low level Output Pin Functions Pin Name Pin No. Function Input Conditions When Operating FAULT 16 Monitor pin used when over-current detection or overheat detection function is activated. Low level is output when detected. Note: See the timing chart for the concrete details on circuit operation. |
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