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AP1016AEN Datasheet(PDF) 10 Page - HuaXinAn Electronics CO.,LTD |
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AP1016AEN Datasheet(HTML) 10 Page - HuaXinAn Electronics CO.,LTD |
10 / 16 page [AP1016AEN] MS1589-E-00 - 10 - 2014/01 9. Description The AP1016 is suitable to drive stepper motor and voice coil motor. If the input signals are fed to IN1A, IN1B, IN2A and IN2B, the output signals, OUT1A, OUT1B, OUT2A and OUT2B are defined by table 1.The AP1016 includes Under Voltage Detection and Thermal Shut Down (TSD) circuits. The under voltage detection circuit is monitoring the control voltage (VC), if the VC is less than the specified voltage(UVD), the output of the H-bridge goes to high impedance. The thermal shut down circuit is monitoring the chip temperature. If the temperature of the chip is more than the specified temperature, the output of the H-bridge goes to high impedance. Under voltage detection and thermal shut down circuit has each hysteresis level. Table 1. Control logic truth table (X: don’t care) Protection detection Input Output Motion (Note 7) UVDN TSD IN1A IN2A IN1B IN2B OUT1A OUT2A OUT1B OUT2B H L L L L L Brake H L H L H L Forward (CW) H L L H L H Reverse (CCW) H L H H Hi-Z Hi-Z Standby H H X X L X X X Note 7. Direction of Current ON VM GND OFF ON OFF OUTA OUTB ON VM GND OFF ON OFF OUTA OUTB ON VM GND OFF ON OFF OUTA OUTB VM GND OFF OFF OUTA OUTB OFF OFF Forward (CW) Reverse (CCW) Brake Standby |
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