供应高压桥臂驱动器/FAN7382

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高压桥臂驱动器飞兆半导体的FAN7382


另一个让紧凑、低成本的模块能够成为现实,从而彻底变革马达驱动器的新技术,是高压(600V)桥臂驱动器。现代高压桥臂门极驱动器,如飞兆半导体的FAN7382,采用先进的设计减小了高压IC工艺中寄生的源漏电容,从而使驱动器具有足够的稳健性,能承受-9V以上的负电压。这种驱动器优于上一代驱动器相比的地方是,电源电压的正负尖刺不会造成驱动器闭锁和控制信号丢失。而且,匹配传输延迟在50ns以下,使到开关频率可达100kHz或150kHz。


这种IC内增加的共模dV/dt噪声消除电路还有助于减少误导通的可能性,因而提高电源电路的稳健性并使芯片更加紧凑,且无需额外的滤波器元件。这类IC(如FAN 7382)的静态电流较小,故工作温度也较低,从而提高可靠性。采用该技术,可以去掉上几代马达驱动器中非常普遍采用的4个隔离电源,同时在微控制器PCB板与功率开关PCB 板之间也无需光隔离,带来了板面空间和成本的节省。

The FAN7382, a monolithic half-bridge gate driver IC, can drive MOSFETs and IGBTs that operate up to +600V. Fairchild's high-voltage process and common-mode noise canceling technique provides stable operation of the high-side driver under high dv/dt noise circumstances. An advanced level shift circuit allows high-side gate driver operation up to VS = -9.8 V (typ.) for VBS = 15V. The input logic level is compatible with standard TTL-series logic gates. UVLO circuits for both channels prevent malfunction when VCC and VBS are lower than the specified threshold voltage. Output drivers typically source/sink 350mA/650mA, respectively, which is suitable for fluorescent lamp ballasts, PDP scan drivers, motor controls, etc.

  • Floating Channels Designed for Bootstrap Operation to +600V
  • Typically 350mA/650mA Sourcing/Sinking Current Driving Capability for Both Channels
  • Common-Mode dv/dt Noise Canceling Circuit
  • Extended Allowable Negative VS Swing to -9V for Signal Propagation @ VCC = VBS = 15V
  • VCC & VBS Supply Range from 10V to 20V
  • UVLO Functions for Both Channels
  • TTL Compatible Input Logic Threshold Levels
  • Matched Propagation Delay Below 50nsec
  • Output In-phase with Input
  • 型号/规格

    FAN7382N/FAN7382MX

    品牌/商标

    FSC