MAX1607

USB限流开关,采用引脚兼容封装

单通道USB限流开关,带有故障屏蔽


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说明

The MAX1607 is a current-limited 60mΩ switch with built-in fault blanking. Its accurate, preset 0.7A to 1.0A current limit makes it ideal for USB applications. Its low quiescent supply current (14µA) and standby current (1µA) conserve battery power in portable applications. The MAX1607 operates with inputs from +2.7V to +5.5V, making it ideal for both 3V and 5V systems.

An overcurrent signal (active-low OC) notifies the microprocessor that the internal current limit has been reached. A 10ms overcurrent-blanking feature allows momentary faults (such as those caused when hot-swapping into a capacitive load) to be ignored, thus preventing false alarms to the host system. This blanking also prevents an active-low OC signal from being issued when the device is powering up.

The MAX1607 has several safety features to ensure that the USB port is protected. Built-in thermal-overload protection limits power dissipation and junction temperature. The device also has accurate internal current-limiting circuitry to protect the input supply against overload.

The MAX1607 is a pin-compatible upgrade to Texas Instruments' TPS2014, TPS2015, and TPS2041 for USB applications. The same die is available in a space-saving 10-pin µMAX® package (MAX1693) and can be used for next-generation designs. The MAX1694 is similar to the MAX1693, but it has a built-in latch that turns off the power switch in case of a long-term short-circuit condition.

The MAX1607 is also offered in a 10-pin TDFN package (not pin compatible with Texas Instruments TPS2014, TPS2015, and TPS2041 for USB applications).
MAX1607:典型工作电路 MAX1607:典型工作电路 放大+

关键特性

  • SO Package is Pin Compatible with TPS2014, TPS2015, and TPS2041
  • Accurate Current Limit (0.7A min, 1.0A max)
  • Guaranteed 0.75A Short-Circuit Protection
  • 10ms Internal Active-Low OC Blanking Timeout
  • No Overcurrent (Active-Low OC) Signal During Power-Up
  • 125mΩ max High-Side MOSFET
  • 500mA Continuous Current
  • Short-Circuit and Thermal Protection with Overcurrent Logic Output
  • 1ms Start-Up Time
  • Undervoltage Lockout
  • 14µA Quiescent Supply Current
  • 1µA max Standby Supply Current
  • +2.7V to +5.5V Supply Range

应用

  • 坞站
  • 笔记本电脑
  • USB集线器
  • USB端口

Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
产品可靠性报告: MAX1607.pdf 
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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