AP8100 Datasheet (data sheet) PDF





AP8100 Datasheet, Bipolar Stepping Motor Driver IC

AP8100   AP8100  

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AP8100 Bipolar Stepping Motor Driver IC Description The AP8100 is 2 phase ste pping motor driver IC. It consists of T TL compatible input circuits, dual brid ge driver outputs with flyback diodes, changing circuit of motor coil drive vo ltage (Power saving circuit) and stand- by circuit Features  One Chip 2 Phas e Stepping Motor Driver including two b ridge drivers  Power Saving and Stan d-by Operation  Short-Through Curren t Restriction Circuit  TTL Compatibl e Inputs  Output Current up to 400mA (Peak)  Over Current Shutdown Circui t  Thermal Shutdown Circuit  Unde r Voltage Lockout Circuit  Pull-down Resistance for Input Application  FDD, Re

AP8100 Datasheet, Bipolar Stepping Motor Driver IC

AP8100   AP8100  
frigerator Actuator DIP-16 www.apsemi. com REV. 01 1 AP8100 Block Diagram VS1A 16 OCL OCL VS2A 1 INA PS INB 3 7 6 VS2B 8 OCL OCL OCL OCL OCL OCL 9 VS1B VOA+ 15 VOA- 14 GND 13 Ou tput Logic & Driver UVLO 4 GND Note : Pin 4, 5, 12 and 13 are internally conn ected. VCC VS1A VS1B VS2A VS2B Output Logic & Driver TSD BIAS 2 VCC 5 GND Pin Description Pin No 1 2 Symbol V S2A VCC 3 INA 6 7 8 9 10 11 14 15 16 4, 5, 12, 13 INB PS VS2B VS1B VOB+ VOB VOAVOA+ VS1A GND Functional Descriptio n Low-voltage power supply terminal Pow er voltage supply terminal for control A-ch forward rotation / reverse rotatio n signal input terminal, Truth Table 1 B-ch forward rotation / reverse rotatio n signal input terminal, Truth Table 1 Power saving signal input terminal Stan dby signal input terminal, Truth Table 2 High-voltage power supply terminal Ou tput B+ Output BOutput AOutput A+ High- voltage power supply terminal GND termi nal (Logic and Power GND) 10 VOB+ 11 V OB- 12 GND www.apsemi.com REV. 01 2 Truth Table 1. Input PS IN LL LH HL HH VOx+ L H L H Output (x : A, B) VOx- Mode H ENABLE VS1 L ENABLE VS1 H E NABLE VS2(Power saving) L ENABLE VS2(P ower saving) Truth Table 2. VS2B L H Mode POWER OFF (Standby mode) OPERATIO N Note : Apply 5V to VS2A as a supply terminal. T








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