WMSIC Electronic Components

AVAGO HCPL-817-56BE

ModelHCPL-817-56BE
PackageSMD-4P
BrandAVAGO
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

19 specifications

Core information

Product name
AVAGO HCPL-817-56BE
Type
AVAGO
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
AVAGO
Electronic Component
HCPL-817-56BE
Electronic Component
1
Package
SMD-4P
Electronic Component
Transistor Output Optocoupler
Electronic Component
0.546g
Electronic Component
1
Electronic Component
3us
Electronic Component
BM0263475331
Operating Temperature
30℃~+100℃
Load Voltage
70V
Type
DC
Output Current
50mA
Output Type
Photoelectric Transistor
(Pd)
200mW

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

HCPL-817-56BE 产品概述

一、产品简介

HCPL-817-56BE 是 AVAGO(安华高)系列的一款单通道晶体管输出光耦(Phototransistor Optocoupler),采用 SMD-4P 封装,面向需要电气隔离且输出可驱动较大负载电流的直流信号隔离场合。器件将输入侧的发光二极管(LED)与输出侧的光电三极管隔离开来,实现高达 5 kVrms 的阻断电压,在工业控制、功率管理和接口隔离等应用中可用于实现信号传递与安全隔离。

二、主要技术参数(关键信息)

  • 输入类型:DC(发光二极管驱动)
  • 输出类型:光电三极管(Phototransistor)
  • 正向压降 Vf:约 1.2 V(典型)
  • 正向电流 If(最大):50 mA
  • 输出电流 IC(最大):50 mA
  • 隔离电压 Vrms:5 kV
  • 直流反向耐压 Vr:6 V
  • 负载承受电压:70 V
  • 输出通道数:1 通道
  • 集射极饱和电压 VCE(sat):约 100 mV(典型/测试条件见规格)
  • 上升时间 tr:4 µs(在 2 mA、100 Ω 负载条件下)
  • 下降时间 tf:3 µs(典型)
  • 工作温度范围:-30 ℃ 至 +100 ℃
  • 电流传输比 CTR:最小 50%,最大/饱和值达 600%(依测试条件而异)
  • 总功耗 Pd:200 mW
  • 封装:SMD-4P

三、关键特性解析

  • 隔离性能强:5 kVrms 的隔离等级适用于常见的工业和电源隔离需求,可有效阻断高压瞬变对控制端的影响。
  • 输出能力较大:输出可达 50 mA,适合直接驱动中小负载或做为驱动级前端。配合低 VCE(sat)(约 0.1 V),可在饱和导通状态下实现较低的压降与发热。
  • 宽 CTR 范围:50%~600% 的 CTR 表明在不同的 If 与工作条件下,光电三极管的放大倍数变化较大,设计时应以最小 CTR 为准以保证可靠性。
  • 开关速度适中:tr≈4 µs、tf≈3 µs,适合一般控制信号和中低速数字信号隔离;非高速逻辑隔离器。

四、典型应用场景

  • 工业控制器与PLC 的输入/输出隔离
  • 开关电源的反馈隔离与次级到主级信号传递
  • 通用数字接口隔离(单向 DC 信号)
  • 电机驱动及电源监测电路的安全隔离
  • 需要较高输出电流或低 VCE(sat) 的开关场合

五、封装与引脚注意

  • 封装形式为 SMD-4P(四引脚表面贴装),适合自动化贴装与回流焊流程。
  • 典型应用中输出侧需外接上拉电阻(或拉至合适电源),上拉值根据负载电流与响应速度共同决定;较大的上拉电阻可降低功耗但会延长上升时间。
  • 推荐在布局时保证输入侧与输出侧的爬电距离和绝缘陷阱满足 PCB 的隔离设计规范。

六、使用与设计建议

  • 驱动 LED 时注意 Vf ≈ 1.2 V,若工作在 20 mA 左右,用电阻限制电流:例如 5 V 电源下,R ≈ (5−1.2)/20mA ≈ 190 Ω(仅示例,取值需考虑器件允许的 If 与系统余量)。
  • 考虑 CTR 波动,按最小 CTR(50%)来计算输出电流能力与上拉电阻,确保在最差情况下仍能满足逻辑或驱动门槛。
  • 若用于开关用途并要求低饱和压降,可在接近规格测试条件下使用,以达到 VCE(sat) ≈ 0.1 V 的低压降效果。
  • 对于更快响应,可通过降低负载电阻、提高 If(在允许范围内)改善上升/下降时间,但同时会增加功耗与发热。

七、可靠性与装配注意

  • 器件额定工作温度 -30 ℃ 至 +100 ℃,在高温环境下设计需留出热余量,避免超过总功耗 Pd=200 mW。
  • 封装为 SMD,应遵循制造商推荐的回流焊曲线与湿热、回流前干燥处理要求以避免吸湿造成的封装裂纹。
  • 操作与焊接过程中注意静电(ESD)防护与管脚保护,避免在反向高压或瞬态下超过 Vr 或隔离规范。

八、选型与替代考量

  • 若需要更高速度的信号隔离,建议考虑专用高速光耦或数字隔离芯片。
  • 如果对 Isolation 认证(如UL、VDE)有特殊要求,请在最终选型时查阅原厂数据手册和认证项。
  • 对于低功耗、数字接口的替代方案,可考虑器件功耗更低且 CTR 更可控的型号。

九、总结

HCPL-817-56BE 是一款面向工业控制与电源隔离的单通道光电三极管光耦,具备高隔离电压、较大输出电流和低饱和压降的特点,适合驱动中等负载的隔离场合。设计时应以最小 CTR 和器件的热功耗限制为准并遵循制造商的装配与测试规范,以确保长期可靠运行。若需要更详细的电气特性曲线、绝对最大额定值和封装尺寸,请参考 AVAGO 官方数据手册。

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