Texas Instruments 德州仪器 UCC27714 高速高侧低侧栅极驱动器

德州仪器 UCC27714 高速高侧低侧栅极驱动器是 600V 高侧、低侧栅级驱动器,具有 4A 拉电流和 4A 灌电流能力,旨在驱动功率 MOSFET 或 IGBT。该器件由一个接地基准通道(LO)和一个浮动通道(HO)组成,后者专用于自举电源操作。该器件具有高度鲁棒性和噪声抑制力,能够在 HS 引脚上的负电压高达 –8VDC 的条件下(VDD = 12V)维持逻辑正常运行。该器件可接受的偏置电源输入范围宽达 10V 至 20V,并且为 VCC 和 HB 偏置电源引脚提供了 UVLO 保护。

特性

  • High-Side, Low-Side Configuration, with Independent Inputs
  • Fully Operational up to 600V (HS Pin)
  • Floating Channel Designed for Bootstrap Operation
  • Peak Output Current Capability of 4A Sink 4A Source at VDD = 15V
  • Best-In-Class Propagation Delay (125ns Maximum)
  • Best-In-Class Delay Matching (20ns Maximum)
  • TTL and CMOS Compatible Input Logic
  • VDD Bias Supply Range of 10V to 20V
  • Bias UVLO Protection for Both Channels
  • Rail-to-Rail Drive
  • Robust Operation Under Negative Voltage Transients
  • High dv/dt Immunity (HS Pin)
  • Separated Grounds for Logic (VSS) and Driver (COM) with Capability to Sustain Voltage Difference
  • Optional Enable Function (Pin 4)
  • Outputs Held in LOW when Inputs Floating
  • Inputs and Enable Pin Voltage Levels Not Restricted by VDD Pin Bias Supply Voltage
  • High and Low Voltage Pins Separated for Maximum Creepage and Clearance
  • Negative Voltage Handling Capability on Input and Enable Pins

应用

  • Half-Bridge and Full-Bridge Converters in Offline AC and DC Power Supplies
  • High-Density Switching Power Supplies for Server, Telecom, IT, and Industrial Infrastructure
  • Solar Inverters, Motor Drive and UPS

Functional Block Diagram

框图 - Texas Instruments 德州仪器 UCC27714 高速高侧低侧栅极驱动器

TI Reference Designs Library

TI参考设计 - Texas Instruments 德州仪器 UCC27714 高速高侧低侧栅极驱动器
发布日期: 2015-10-06 | 更新日期: 2022-03-11