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Broadcom ACPL-054L-500E
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- Broadcom ACPL-054L-500E
- Type
- BROADCOM
- Unit
- Electronic Component
- Minimum package
- 1500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- BROADCOM
- Electronic Component
- ACPL-054L-500E
- Electronic Component
- 1
- Package
- SO-8
- Electronic Component
- Logic Output Optocoupler
- Electronic Component
- 0.4g
- Electronic Component
- 1
- Channel Count
- 2
- CMTI(kV/us)
- 25kV/us
- Electronic Component
- 1Mbit/s
- Features
- Collector Output
- Electronic Component
- BM0230874024
- Operating Temperature
- 40℃~+105℃
- Operating Voltage
- 2.7V~24V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ACPL-054L-500E 产品概述
一、概述
ACPL-054L-500E 是 Broadcom（博通）推出的一款双通道电流传输型光隔离器，封装为 SO-8，专为在高共模干扰环境下实现数字信号隔离而设计。器件支持直流输入，工作电源范围宽（2.7V～24V），隔离电压高达 3.75kVrms，并具备 25kV/µs 的高共模瞬态抗扰度（CMTI），适用于工业控制、通信接口和电源反馈等需要高可靠性的场景。
二、主要电气参数与性能特点
- 输入类型：DC（LED 驱动）；正向电压 Vf≈1.5V，最大正向电流 If=20mA。
- 输出能力：输出电流约 8mA，输出侧允许最高工作电压 24V。
- 传输速率：最高可达 1Mbit/s，适合较高速的数字信号隔离。
- 电流传输比（CTR）：典型值 93%，表明在给定输入电流下输出响应效率高，便于降低输入驱动电流。
- 时延特性：tpLH≈1.4µs、tpHL≈1.0µs，延迟较小，适合多数控制和通信应用。
- 热与功耗：功耗 Pd≈45mW，工作温度范围 -40℃～+105℃，适应工业级温度要求。
三、可靠性与安全性
器件两端隔离电压 3.75kVrms 能满足绝大多数低压与中等电压系统的安全隔离需求。25kV/µs 的 CMTI 能力，使其在存在快速共模扰动（例如电机驱动、开关电源瞬态）时仍能保持信号完整性，减少误动作风险。SO-8 封装便于 PCB 布局并保证一定的爬电距离与耐压性能。
四、典型应用场景
- MCU 与高压侧或噪声侧设备之间的数字隔离（PWM、GPIO、控制命令）。
- 工业现场总线、RS-485/RS-232 等差分/单端通信的接口隔离（在低至 1Mbit/s 速率内）。
- 电源反馈与开关电源隔离回路（光耦隔离误差放大器输出）。
- PLC、逆变器、伺服驱动器以及电机控制器的保护与信号耦合。
五、设计注意事项与建议
- 驱动 LED 时参考输入阈值电流（FH=10mA）以保证稳定切换；若要求更低输入驱动，应评估 CTR 在工作温度与时间漂移下的变化。
- 输出端采用合适的上拉电阻以限制输出电流在 8mA 范围内，避免过载影响响应。
- 在高噪声环境下布线应尽量缩短输入/输出走线、增加旁路和接地隔离，利用器件的高 CMTI 特性配合良好布局以优化抗扰性能。
- 注意器件的最大正向电流 If（20mA）与功耗 Pd（45mW），在高速连续切换时评估热耗散及封装温升，必要时留出散热余量。
六、总结
ACPL-054L-500E 以其高隔离电压、优良的 CMTI、较高 CTR 以及宽工作电压范围，为工业和电源应用中需要可靠数字隔离的场合提供了一个平衡的方案。双通道 SO-8 封装在节省 PCB 面积的同时方便系统级集成，是实现低功耗、抗扰动数字隔离的实用选择。
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