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STK681-360-E Arkusz danych(PDF) 6 Page - ON Semiconductor |
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STK681-360-E Arkusz danych(HTML) 6 Page - ON Semiconductor |
6 / 12 page STK681-360-E No. A2265-6/12 (5)Since the response time of the ground side drive element during forward/reverse direction switching is a few tens of microseconds, this product is not appropriate for H bridge applications. This device should only be used as a DC motor driver. (6)Timing Charts IN1 IN2 PWM Stop1 Forward Brake Reverse Brake Forward Reverse Stop1 Stop2 IN1 IN2 PWM Stop1 Forward Brake Reverse Stop2 Forward Reverse Brake Stop1 (7)Smoke emission warning: This hybrid IC may emit smoke if it is used under conditions that exceed its specifications. I/O Functions of Each Pin Pin name Pin No Functions IN1 12 Input that controls the on/off state of F1 and F3. When high: F1: on, F3: off, when low: F1: off, F3: on. IN2 13 Input that controls the on/off state of F2 and F4. When high: F2: on, F4: off, when low: F2: off, F4: on. PWM 14 Input that forces F1 and F2 to the off state: when high F1 and F2 will be off. When high F1 and F2 will be off, When low F1 and F2 will be on, OUT1 8 Motor connection that outputs a source or sink current depending on the states of IN1 and IN2. OUT2 6 Motor connection that outputs a source or sink current depending on the states of IN1 and IN2. Vref1a Vref1b 16 18 The current setting voltage (Vref1) is used by connecting Vrefa to Vrefb The peak Io level is determined by Io(peak) = Vref1 ÷ Rs. Vref2 17 This pin should normally be left open. Connecting this pin to ground or the S.P pin disables the thermal protection circuit. S.P 2 The Vref1 voltage can be reduced by connecting a resistor between Vref1 and the S.P pin. RSO 3 This pin can be used to monitor the voltage across the current detection resistor Rs and is connected to the RSI pin. RSI 19 Input for the circuit that compares with Vref1. This pin is used connected to the RSO pin. Configuration of I/O Pin <IN1,IN2> <PWM> IN1 or IN2 RSO GND To connect Low side MOSFET gate PWM Vcc2 To Comparator 14 IN1 : 12pin IN2 : 13pin To connect Hi side MOSFET gate |
Podobny numer części - STK681-360-E |
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Podobny opis - STK681-360-E |
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