WMSIC Electronic Components

Infineon AUIR2085STR

ModelAUIR2085STR
PackageSOIC-8
BrandInfineon
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Infineon AUIR2085STR
Type
INFINEON
Minimum package
2500 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
INFINEON
Electronic Component
AUIR2085STR
Electronic Component
1
Package
SOIC-8
Electronic Component
(UVP); (OCP)
Electronic Component
Gate Driver IC
Electronic Component
0.124g
Electronic Component
1
Features
Electronic Component
Electronic Component
BM0058404190
Operating Temperature
40℃~+150℃
Operating Voltage
10V~15V
Load Type
MOSFET
Driver
Electronic Component
Current(IOH)
1A

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

AUIR2085STR 半桥MOSFET栅极驱动器产品概述

一、核心身份与应用定位

AUIR2085STR是英飞凌(Infineon)推出的双通道半桥功率MOSFET栅极驱动器,专为中功率应用场景的半桥拓扑优化设计。该器件集成高/低侧栅极驱动通道,可直接驱动功率MOSFET(含部分IGBT模块),简化电路设计的同时,兼顾高可靠性与低功耗,广泛适配工业、汽车电子、电动工具等领域的功率控制需求。

二、关键性能参数解析

  1. 驱动能力:支持1A峰值灌电流(IOL)与1A峰值拉电流(IOH),足够驱动中等栅极电容(Ciss)的功率MOSFET,可有效缩短开关延迟时间,适配10W~500W功率范围的器件;
  2. 开关速度:栅极上升时间(tr)典型值40ns,下降时间(tf)典型值20ns,开关损耗低,适合10kHz~100kHz频率范围的高频应用,提升系统能效;
  3. 工作电压:输入电压范围10V~15V,兼容12V系统(如汽车、工业DC电源),电压波动适应性强,无需额外稳压电路;
  4. 静态功耗:静态电流(Iq)仅1.5mA,待机状态下功耗极低,可降低系统整体能耗,适配低功耗场景;
  5. 温度范围:结温(Tj)支持-40℃~+150℃宽温范围,满足极端环境(如汽车发动机舱、工业高温车间)的可靠性要求,符合AEC-Q100汽车级标准(可选)。

三、核心功能特性

  1. 半桥集成架构:内置高/低侧驱动通道,无需额外设计隔离驱动电路,减少外部元件数量(如光耦、隔离电源),缩小PCB布局面积,降低设计成本;
  2. 欠压保护(UVP):当输入电压低于10V阈值时,自动关断高/低侧输出,防止MOSFET因电压不足导致误导通或栅极电压不足引发的导通损耗增加;
  3. 过流保护(OCP):通过检测栅极电流或母线电流实现过流检测,触发后快速关断输出(典型响应时间<1μs),避免功率器件因过流烧毁,提升系统安全性;
  4. 内置死区时间:默认配置300ns左右死区时间,防止半桥上下管同时导通导致的直通故障,无需额外设计死区控制电路;
  5. 逻辑兼容性:输入电平兼容TTL/CMOS逻辑(3.3V/5V),可直接由微控制器(MCU)控制,无需电平转换电路,简化数字接口设计。

四、封装与可靠性设计

AUIR2085STR采用SOIC-8(SO8)表面贴装封装,引脚间距1.27mm,体积紧凑(约5.0mm×3.9mm),适合高密度PCB设计;封装采用耐高温环氧树脂,结温性能稳定,通过严格的湿度、温度循环与电气应力测试,可长期稳定工作于-40℃~+125℃环境(汽车级可达+150℃),可靠性满足工业与汽车领域标准。

五、典型应用场景

  1. 低压直流电机驱动:BLDC电机、伺服电机的半桥驱动(如电动自行车、工业伺服系统、机器人关节);
  2. 开关电源:DC-DC转换器(如12V转24V、5V转12V)、AC-DC适配器的半桥拓扑(如笔记本电脑适配器、LED驱动电源);
  3. 电动工具:电钻、电锤、割草机等电动工具的功率控制模块,适配18V~24V电池系统;
  4. 工业自动化:PLC、变频器中的功率模块驱动,以及光伏逆变器的辅助电源驱动、电池管理系统(BMS)的充放电控制。

该器件凭借集成度高、性能稳定、保护功能完善等优势,成为中功率半桥驱动场景的主流选择之一,可有效降低系统设计复杂度与成本,提升产品可靠性与能效。

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