WMSIC Electronic Components

Broadcom(博通) ACPL-W349-500E

ModelACPL-W349-500E
PackageSO-6-6.8mm
BrandBroadcom
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 25+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
Broadcom ACPL-W349-500E
Type
BROADCOM
Unit
Electronic Component
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
BROADCOM
Electronic Component
ACPL-W349-500E
Electronic Component
1
Package
SO-6-6.8mm
Electronic Component
Logic Output Optocoupler
Electronic Component
0.366g
Electronic Component
1
Channel Count
1
CMTI(kV/us)
100kV/us
Features
Built-in Flip-Flop
Electronic Component
BM0265604661
Operating Temperature
40℃~+105℃
Operating Voltage
15V~30V
Type
DC

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

ACPL-W349-500E 光耦隔离栅极驱动器产品概述

ACPL-W349-500E是博通(Broadcom)推出的1通道光耦隔离栅极驱动器,采用6-SO伸展式封装,专为工业级功率电子设备中的IGBT、MOSFET等功率器件隔离驱动设计,具备高隔离电压、强抗共模干扰能力及匹配的传播延迟特性,可稳定应用于恶劣工业环境。

一、核心特性与定位

该器件核心定位为中功率器件的隔离驱动解决方案,核心特性包括:

  1. 1通道单端隔离驱动,实现输入控制电路与功率输出电路的电气隔离;
  2. 5kVrms(1分钟)隔离电压,满足工业设备高压隔离的安全标准;
  3. 100kV/μs高共模瞬态抑制比(CMTI),有效抵御工业环境中的共模干扰;
  4. 对称传播延迟(tpLH/tpHL=110ns),减少功率器件开关死区时间,优化效率;
  5. 2.5A峰值输出电流,适配中等功率IGBT/MOSFET的驱动需求;
  6. 宽工作温度范围(-40℃~+105℃),覆盖工业级环境温度波动;
  7. 低耗散功率(550mW),无需额外散热设计,简化系统布局。

二、关键电气参数详解

1. 隔离与抗干扰性能

  • 隔离电压:5kVrms(1分钟),符合IEC 60747-5-2安全标准,彻底隔离输入控制侧与功率输出侧,防止高压串扰;
  • CMTI:100kV/μs,是衡量抗共模干扰能力的核心指标,可有效抑制电机驱动、逆变器等场景中快速共模电压变化,避免功率器件误触发。

2. 输入输出特性

  • 输入侧:输入阈值电流4mA(典型值),正向压降1.55V(典型值),最大正向电流11mA,输入电路需串联限流电阻满足电流需求;
  • 输出侧:峰值输出电流2.5A,可驱动栅极电荷中等的功率器件(如1200V/100A IGBT),工作电压15V~30V匹配栅极驱动需求。

3. 时序与功耗

  • 传播延迟:上升沿(tpLH)与下降沿(tpHL)延迟均为110ns(典型值),对称延迟减少交叉导通风险,提升系统效率;
  • 耗散功率:550mW(最大值),低功耗特性无需散热片,降低系统成本与体积。

4. 电压与温度范围

  • 工作电压:15V~30V DC,覆盖常见功率器件栅极驱动电压;
  • 反向耐压:5V,输入侧反向电压需控制在此范围内;
  • 工作温度:-40℃~+105℃,适配户外或高温车间等工业环境。

三、封装与机械特性

ACPL-W349-500E采用6-SO伸展式封装,尺寸紧凑(典型值5.0mm×6.0mm),引脚布局符合标准PCB设计规范,适合高密度电路板布局;封装材料耐湿、耐高温,可通过无铅回流焊工艺,适配现代电子制造流程。

四、典型应用场景

该器件广泛应用于需要隔离驱动功率器件的工业设备:

  1. 工业变频器(VVVF):驱动IGBT模块实现电机调速,高CMTI抑制电机换向干扰;
  2. 伺服驱动器:隔离驱动伺服电机功率回路,提升抗干扰能力;
  3. 光伏逆变器:驱动并网IGBT实现直流转交流,宽温范围适配户外环境;
  4. UPS不间断电源:隔离驱动功率开关器件,保障供电稳定性;
  5. 电焊机与感应加热设备:驱动高频逆变IGBT,高隔离电压保障操作安全。

五、设计注意事项

  1. 输入限流:输入侧串联限流电阻,确保正向电流≤11mA(如15V输入时,电阻≥1.2kΩ);
  2. 栅极电阻匹配:根据功率器件栅极电荷选择10Ω~100Ω的RG,避免输出电流过大;
  3. PCB布局:输入输出侧爬电距离需符合5kV隔离要求,避免高压串扰;
  4. 温度管理:器件最大耗散功率550mW,无需额外散热,但需避免长时间超105℃工作。

ACPL-W349-500E凭借高隔离、强抗干扰及稳定时序特性,成为工业功率电子设备隔离驱动的可靠选择,适配多种中功率器件的驱动需求。

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