AnalogTek武汉芯景科技有限公司AT9110——800mA马达驱动芯片DocumentNo.:AT9110DS001V0.1EIssuedDate:2011.05.05January,2011CONTENTS1描述...........................................................................................................................................................................52特性...........................................................................................................................................................................53典型应用...................................................................................................................................................................54订购信息...................................................................................................................................................................55引脚定义...................................................................................................................................................................66内部逻辑框图...........................................................................................................................................................67输入输出端内部电路图...........................................................................................................................................78逻辑真值表...............................................................................................................................................................79绝对最大额定值.......................................................................................................................................................810推荐工作条件.........................................................................................................................................................811电特性参数表.........................................................................................................................................................912测试电路图.............................................................................................................................................................913典型参数特性曲线...............................................................................................................................................1014典型应用电路图...................................................................................................................................................1115封装形式...............................................................................................................................................................11•5•武汉市东湖开发区关山一路关谷软件园B栋5楼Tel:+086-027-87611245-8666;Fax:+086-027-876112551描述AT9110是为控制和驱动电机设计的双通道推挽式功率放大专用集成电路器件,将分立电路集成在单片IC之中,使外围器件成本降低,整机可靠性提高。该芯片输入端兼容TTL/CMOS电平,具有良好的抗干扰性;两个输出端能直接驱动电机的正反向运动,它具备较大的电流驱动能力,每通道能通过750~800mA的持续电流,峰值电流能力可达1.5~2.0A;内置的钳位二极管能释放感性负载的反向冲击电流,使它在驱动继电器、直流电机、步进电机或开关功率管的使用上安全可靠。AT9110被广泛应用于玩具汽车电机驱动、步进电机驱动和开关功率管等电路上。2特性�低静态工作电流�宽电源电压范围:2.5V-18V�每通道具有800mA连续电...