半高无传感器系统电机驱动器IC BD7763EFV

BD7763EFV是面向Blu-ray驱动器的主轴电机、执行器线圈、步进电机、球面像差调整用(SA)步进电机及负载电机驱动而开发的9ch系统电机驱动器IC。在主轴驱动器中采用无传感器驱动方式,无需用于电机位置检测的霍尔传感器(3个),因此适用于减少柔性电缆的接线及缩减外置零件。在执行器、负载驱动器、主轴、步进、SA输出段中使用功率MOSFET,可降低整机的功耗。

型号Status封装包装数量最小独立包装数量包装形态RoHS
BD7763EFV-E2供应中HTSSOP-B5415001500TapingYes

BD7763EFV 数据手册 Data Sheet

技术特性
GradeStandard
UsageBlu-ray
Number of Channels9.0
Operating Temperature (Min.)[°C]-20
Operating Temperature (Max.)[°C]75
技术资料下载
产品特点
  • The hall sensor is not needed by 3-phase sensor less drive system.
  • The spindle motor driver achieves stability high speed start by ROHM's own energizing method.
  • Spindle, stepping and SA stepping achieve high efficiency drive by PWM control driver.
    The actuator is able to reduce power consumption by using PWM drive system.
  • The loading adopts forward/reverse-rotation drive system.
  • ON/OFF of loading and other channels, brake mode of spindle driver, and stand-by mode are selectable by the two control terminals.
  • Built-in thermal-shut down circuit.
  • Improved heat radiation efficiency utilizing lm-type HTSSOP package with good thermal conductivity.
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