WMSIC Electronic Components

Infineon IRS2181STRPBF

ModelIRS2181STRPBF
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

20 specifications

Core information

Product name
Infineon IRS2181STRPBF
Type
INFINEON
Unit
Electronic Component
Minimum package
2500

Technical parameters

Electronic Component
Electronic Component
Electronic Component
INFINEON
Electronic Component
IRS2181STRPBF
Electronic Component
1
Package
SOIC-8
Electronic Component
(UVP)
Electronic Component
Gate Driver IC
Electronic Component
0.286g
Electronic Component
1
Electronic Component
BM0228178922
Operating Temperature
40℃~+150℃
Operating Voltage
10V~20V
Load Type
IGBT;MOSFET
Driver
Electronic Component
Current(IOH)
1.4A
Current(IOL)
1.8A

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

IRS2181STRPBF栅极驱动IC产品概述

一、核心身份与应用定位

IRS2181STRPBF是英飞凌(Infineon)推出的双通道半桥栅极驱动IC,专门针对绝缘栅双极型晶体管(IGBT)和金属-氧化物半导体场效应晶体管(MOSFET)设计,具备高可靠性与宽适用场景特性,是工业功率转换、电机驱动等领域的主流选择之一。

二、关键性能参数解析

该器件的核心参数直接支撑其驱动能力与应用适配性,关键指标如下:

  • 驱动能力:灌电流(IOL)达1.8A、拉电流(IOH)达1.4A,可高效驱动中大功率IGBT/MOSFET,满足不同负载的开关需求;
  • 开关速度:上升时间(tr)40ns、下降时间(tf)20ns,能快速控制功率器件的通断,减少开关损耗;
  • 信号延迟:低电平到高电平传播延迟(tpLH)180ns,高电平到低电平传播延迟(tpHL)220ns,延迟一致性好,避免信号同步误差;
  • 电源范围:工作电压覆盖10V~20V,适配多种电源拓扑,兼容性强;
  • 静态功耗:静态电流(Iq)仅120μA,待机状态下功耗极低,适合对能效敏感的系统。

三、核心特性与技术优势

IRS2181STRPBF的设计针对功率驱动场景的痛点,核心优势突出:

  1. 欠压保护(UVP):内置欠压锁定功能,当电源电压低于阈值时自动关断输出,防止功率器件因电压不足导致的误触发或损坏,提升系统可靠性;
  2. 宽结温范围:工作结温(Tj)支持-40℃~+150℃,可适应工业级 harsh环境(如高温车间、户外光伏系统等),无需额外散热设计即可稳定运行;
  3. 半桥驱动适配:双通道设计完美匹配半桥拓扑结构,可同时驱动上桥臂和下桥臂的IGBT/MOSFET,简化电路设计;
  4. 小体积封装:采用SOIC-8贴片封装,尺寸紧凑,便于高密度PCB布局,适合小型化功率产品。

四、典型应用领域

凭借上述特性,IRS2181STRPBF广泛应用于以下场景:

  • 工业变频电机驱动:如风机、水泵、机床等设备的变频调速系统,利用其高驱动电流与宽温特性稳定控制IGBT模块;
  • 开关电源:AC-DC适配器、DC-DC转换器等,低静态电流与欠压保护提升电源效率与可靠性;
  • 光伏逆变器:太阳能发电系统中的DC-AC转换环节,适应户外温度变化与高功率输出需求;
  • 电动车辆辅助系统:如车载充电机、DC-DC转换器,满足汽车级宽温与高可靠性要求;
  • 不间断电源(UPS):保障关键负载供电,快速响应开关需求,减少切换时间。

五、总结

IRS2181STRPBF作为英飞凌成熟的栅极驱动IC,以高驱动能力、宽温适应性、内置保护功能为核心优势,覆盖工业、能源、汽车等多领域应用,是设计中大功率功率转换系统时的可靠选择。其小体积封装与低功耗特性,也进一步降低了系统设计的复杂度与成本。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.