WMSIC Electronic Components

Broadcom HCNW3120-500E HCNW3120

ModelHCNW3120-500E
PackageSOP-8-2.54mm
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 HCNW3120-500E
Type
BROADCOM
Unit
Electronic Component
Minimum package
750 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
BROADCOM
Electronic Component
HCNW3120-500E
Electronic Component
1
Package
SOP-8-2.54mm
Electronic Component
Gate Driver Optocoupler
Electronic Component
1.827g
Electronic Component
1
Channel Count
1
CMTI(kV/us)
35kV/us
Features
Electronic Component
Electronic Component
BM0257666922
Operating Temperature
40℃~+100℃
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.

HCNW3120-500E 产品概述

一、产品简介

HCNW3120-500E 是 Broadcom(博通)推出的一款单通道光隔离栅极驱动器(OPTOISO GATE DRIVER),适用于需要高电压隔离与抗共模干扰的功率器件驱动场合。器件采用光耦隔离技术,提供高达 5kVrms 的隔离等级和 35kV/µs 的共模瞬变抗扰度(CMTI),在工业电力电子系统中能有效保护低压控制侧与高压功率侧之间的信号传输安全性与完整性。

二、主要电气参数

  • 工作电压(VCC):15V ~ 30V
  • 隔离电压:5kVrms
  • 共模瞬变抗扰度(CMTI):35kV/µs
  • 通道数:1 通道
  • 工作温度:-40℃ ~ +100℃
  • 传播延迟:tpLH ≈ 500ns,tpHL ≈ 500ns(典型)
  • 输入触发电流(FH):约 8mA
  • 输出驱动电流:可达 2.5A(典型峰值驱动能力)
  • 正向压降(Vf):约 1.95V(在 If=16mA 条件下)
  • 输入正向电流(If):16mA(参考)
  • 直流反向耐压(Vr):5V
  • 耗散功率(Pd):约 295mW

三、功能与应用场景

该器件适合用于驱动 IGBT、MOSFET 等大功率开关器件的栅极,典型应用包括:

  • 逆变器与电机驱动器
  • 开关电源(SMPS)、不间断电源(UPS)
  • 光伏逆变与储能系统
  • 工业电力控制与分布式电源模块

500ns 量级的传播延迟决定了其适合中低频开关应用,结合 35kV/µs 的 CMTI,可在存在快速共模脉冲的环境中保持可靠信号隔离。

四、封装与热管理

器件封装为 SOP-8(2.54mm 引脚间距)形式,便于通用 PCB 布局和波峰/回流焊接。设计 PCB 时应注意:

  • 输出侧电源 VCC 侧做好去耦(近 VCC 引脚放置电容)以保证驱动瞬态能力;
  • 保持输入与输出之间充分的爬电/气隙与走线隔离,匹配 5kVrms 的隔离要求;
  • 在高频切换或高占空比应用下关注芯片耗散(Pd≈295mW),必要时通过铜箔散热或降低工作温度以控制结温。

五、使用注意事项

  • 输入端 LED 驱动电流不可超过 If=16mA 的推荐值,且开启阈值约为 8mA;建议配合限流电阻稳定触发。
  • 输出为峰值驱动能力,长时间大电流输出会增加器件温升,应评估实际功率损耗和热阻。
  • 对于更高速度或更高输出功率的应用,可考虑专用隔离驱动器或并联驱动级联方案。
  • 布局时优先将高电流回路尽量短,避免在隔离边缘布置高频噪声源,确保 CMTI 性能发挥。

六、选型建议

若系统侧重电气隔离与抗干扰能力,并且开关频率处于中低频范围,HCNW3120-500E 是稳健的选择。若需要更低延迟或更大持续输出电流,可在 Broadcom 或其他厂商的隔离驱动器系列中对比更高规格的型号,或采用驱动器配合外部功率放大器的方案。

如需更详细的引脚定义、典型应用电路图或热阻/时序曲线,可参考厂商器件手册或索取样片评估。

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