MC34931EK NXP Semiconductors Power Switches

数据： NXP Semiconductors Power Switches.pdf

NXP的电源开关提供电机驱动器/控制器集成电路，使用SMARTMOS技术用于工业应用。 mc34931（单）和 mc34932（双）直流电机驱动器是单片高效的28V/5AH桥直流电机驱动器，具有实时负载电流监测和自动热回断，确保高可用性运行在高电流，高温工业应用。它主要用于直流刷和伺服电机驱动器的应用。该 mc34933是一个1.4A双H桥驱动器瞄准数码相机市场。该 mc34937a是一种场效应晶体管(FET)预驱动器，用于三相电机控制和类似的应用。该集成电路包含三个高侧场效应管预驱动和三个低侧场效应管预驱动。三个外部自举电容器为高侧场效应管提供栅极电荷。

mc34931

NXP公司的5.0A单片H桥电源集成电路是一款整体热高效的28V/5A型H桥直流电机驱动器，具有实时负载电流监测和自动热退关功能，在高电流、高温工业应用中保证了高可用性。它主要设计用于直流刷和伺服电机驱动器应用范围内的电流和电压限制在本规范规定。该设备采用SMARTMOS技术供电。
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mc34932

NXP's mc34932 Dual Monolithic H-Bridge Power IC consists of two monolithic thermally efficient 28V/5A H-Bridge DC motor drivers in the same package. It features real-time load current monitoring and automatic thermal back-off ensuring high availability operation in demanding high-current, high-temperature industrial applications. It is designed primarily for DC brushed and DC servo motor driver applications within the current and voltage limits stated in this specification. This device is powered by SMARTMOS technology.
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mc34933

NXP mc34933 two channel H-Bridge driver is aimed at the digital camera market. mc34933 uses NXP's proprietary SMOS8 Bi CMOS process to deliver a low power device, with a maximum quiescent current of 100μA for the motor drive supply and 400μA for the control logic supply. This device has four operation modes: forward, reverse, brake, and tri-state (high-impedance). The 34933 employs a VCC detection circuit to sense when the logic supply switches to an off-state with a maximum current of 1uA to extend battery life.
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mc34937a

NXP's mc34937a Three Phase Field Effect Transistor Pre-Driver is designed for three-phase motor control and similar applications. The integrated circuit (IC) uses SMARTMOS technology. The IC contains three high side FET pre-drivers and three low side FET pre-drivers. Three external bootstrap capacitors provide gate charge to the high side FETs. The IC interfaces to a MCU via six direct input control signals, an SPI port for device setup and fault detection, an asynchronous reset, an interrupt and two enable signals. Both 5.0 and 3.0V logic level inputs are accepted and 5.0 V logic level outputs are provided.
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