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USB 电源开关和充电端口控制器

LM3525

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0.5A 负载、2.7-5.5V、80mΩ USB 电源开关

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LM3525

正在供货
数据表 立即订购

产品详情

Product type Fixed current limit, Power switch Vin (min) (V) 2.7 Vin (max) (V) 5.5 Continuous current (max) (A) 0.5 Current limit (A) 1 Operating temperature range (°C) -40 to 125 Enable Active High, Active Low Number of switches 1 Current limit accuracy at 1 A 0.5 Rating Catalog
Product type Fixed current limit, Power switch Vin (min) (V) 2.7 Vin (max) (V) 5.5 Continuous current (max) (A) 0.5 Current limit (A) 1 Operating temperature range (°C) -40 to 125 Enable Active High, Active Low Number of switches 1 Current limit accuracy at 1 A 0.5 Rating Catalog
SOIC (D) 8 29.4 mm² 4.9 x 6
  • Compatible with USB1.1 and USB 2.0
  • 1 ms Fault Flag Delay During Hot-Plug Events
  • Smooth Turn-On Eliminates Inrush Induced Voltage Drop
  • UL Recognized Component: REF # 205202
  • 1A Nominal Short Circuit Output Current Protects Notebook PC Power Supplies
  • Thermal Shutdown Protects Device in Direct Short Condition
  • 500mA Minimum Continuous Load Current
  • Small SOIC-8 Package Minimizes Board Space
  • 2.7V to 5.5V Input Voltage Range
  • Switch Resistance ≤ 120 mΩ Max. at VIN = 5V
  • 1µA Max Standby Current
  • 100 µA Max Operating Current
  • Undervoltage Lockout (UVLO)

All trademarks are the property of their respective owners.

  • Compatible with USB1.1 and USB 2.0
  • 1 ms Fault Flag Delay During Hot-Plug Events
  • Smooth Turn-On Eliminates Inrush Induced Voltage Drop
  • UL Recognized Component: REF # 205202
  • 1A Nominal Short Circuit Output Current Protects Notebook PC Power Supplies
  • Thermal Shutdown Protects Device in Direct Short Condition
  • 500mA Minimum Continuous Load Current
  • Small SOIC-8 Package Minimizes Board Space
  • 2.7V to 5.5V Input Voltage Range
  • Switch Resistance ≤ 120 mΩ Max. at VIN = 5V
  • 1µA Max Standby Current
  • 100 µA Max Operating Current
  • Undervoltage Lockout (UVLO)

All trademarks are the property of their respective owners.

The LM3525 provides Universal Serial Bus standard power switch and over-current protection for all host port applications. The single port device is ideal for Notebook PC and Handheld PC applications that supply power to one port.

A 1 ms delay on fault flag output prevents erroneous overcurrent reporting caused by inrush currents during the hot-plug events.

The LM3525 accepts an input voltage between 2.7V and 5.5V allowing use as a device-based inrush current limiter for 3.3V USB peripherals, as well as Root and Self-Powered Hubs at 5.5V. The Enable input accepts both 3.3V and 5.0V logic thresholds.

The small size, low RON, and 1 ms fault flag delay make the LM3525 a good choice for root hubs as well as ganged power control in space-critical self-powered hubs.

The LM3525 provides Universal Serial Bus standard power switch and over-current protection for all host port applications. The single port device is ideal for Notebook PC and Handheld PC applications that supply power to one port.

A 1 ms delay on fault flag output prevents erroneous overcurrent reporting caused by inrush currents during the hot-plug events.

The LM3525 accepts an input voltage between 2.7V and 5.5V allowing use as a device-based inrush current limiter for 3.3V USB peripherals, as well as Root and Self-Powered Hubs at 5.5V. The Enable input accepts both 3.3V and 5.0V logic thresholds.

The small size, low RON, and 1 ms fault flag delay make the LM3525 a good choice for root hubs as well as ganged power control in space-critical self-powered hubs.
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类型 标题 下载最新的英语版本 日期
* 数据表 LM3525 Single Port USB Power Switch and Over-Current Protection 数据表 (Rev. D) 2013年 3月 7日
证书 US-38419-UL Certificate of Compliance IEC 62368-1 2022年 6月 27日
应用手册 A USB-Powered Lithium-Ion Battery Charger 2003年 3月 6日

设计和开发

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评估板

DDC2256AEVM — DDC2256A 256 通道电流输入模数转换器评估模块

DDC2256AEVM 评估模块 (EVM) 是一款评估套件，适用于 256 通道的电流输入 24 位模数 (A/D) 转换器 DDC2256A。该 EVM 套件由 DUT 板和采集板组成，包括 2 个 DDC2256A 器件、1 个用于器件通信/配置的 FPGA、用于存储临时数据的 36MB 内存，以及 1 个用于连接 PC 的 USB 接口。该 EVM 包括所有必要的控制信号和板载电力生成，极大地降低了对外部设备的需求。最后，该评估系统还包括适用于 Microsoft® Windows® 的易于使用的软件。

用户指南: PDF
发送申请
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订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

支持和培训

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