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MPS MP62055EJ-LF-Z
Configuration
1 options
Configuration
22+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MPS MP62055EJ-LF-Z
- Type
- MPS
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MPS
- Electronic Component
- MP62055EJ-LF-Z
- Electronic Component
- 1
- Package
- TSOT-23-5
- Type
- Load Switch
- Electronic Component
- Power Electronic Switch
- Electronic Component
- 0.03g
- Electronic Component
- 1
- Channel Count
- 1
- Features
- Current
- Electronic Component
- BM0058433444
- Resistor
- 115mΩ
- Operating Temperature
- 20℃~+85℃
- Operating Voltage
- 2.7V~5.5V
- Current
- 500mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MP62055EJ-LF-Z 产品概述
一、概述
MP62055EJ-LF-Z 是 MPS（Monolithic Power Systems）推出的小封装、高端功率电子开关，面向便携和嵌入式电源路径管理。器件为单通道高端输出（High-side）开/关控制开关，无需独立供电（VCC/VDD 不需要），工作在 2.7V 至 5.5V 的负载电压范围内，最大输出电流 500mA，典型导通电阻 115 mΩ，封装为 TSOT-23-5（SOT-23-5 细型），适合表面贴装。
二、主要性能与保护
- 输出类型：单路高端开关（开/关接口控制）
- 负载电压：2.7V ~ 5.5V
- 最大输出电流：500 mA
- 典型导通电阻：115 mΩ（RDS(on)）
- 状态指示：具备状态标志（status flag），可反馈故障/状态信息给上位控制器
- 保护功能：固定限流、过温保护（Thermal Shutdown）、反向电流保护、欠压锁定（UVLO）
- 工作温度：-20°C ~ 85°C（TA，环境温度）
这些保护机制使器件在短路、过载及异常工况下能主动限制损伤并向系统反馈异常状态，便于系统级可靠性设计。
三、典型应用场景
- USB/外设电源控制与保护（2.7V~5.5V 范围内）
- 电池供电设备的电源路径管理与负载开关
- 便携式设备、电池组或移动终端的电源隔离与热插拔
- 工业控制模块、嵌入式系统的从属电源开关与故障上报
四、设计与布局要点
- 输入侧与输出侧应配置合适的去耦电容以抑制瞬态，减小上电浪涌；若系统存在较大入rush，考虑级联限流或软启动电路。
- 在最大 500mA 工况下，理论导通损耗约为 I^2·R ≈ 0.5^2×0.115 ≈ 29 mW，器件发热较小，但高占空或频繁过载仍会触发热关断，布局时保证良好散热路径。
- 状态标志引脚可直接连接至 MCU 中断或 GPIO 输入，用于快速定位限流/过温等故障。
- 引脚焊盘按厂商推荐封装走线，尽量缩短电源回路路径，使用足够宽厚铜以降低寄生阻抗。
五、封装与选型信息
- 品牌：MPS（Monolithic Power Systems）
- 器件全称：MP62055EJ-LF-Z
- 封装：TSOT-23-5（SOT-23-5 细型），适合表面贴装加工与小尺寸系统集成。
六、优势小结
MP62055EJ-LF-Z 以小体积、丰富保护和状态反馈为特点，适合在 2.7V~5.5V 供电域内实现可靠的高端负载开关控制。典型 115 mΩ 的低导通电阻和约 500mA 的输出能力满足多数便携与嵌入式场景的电源管理需求，同时多重保护与状态标志有助于提升系统稳定性与可维护性。
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