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MAX1930
Current-Limited Switch for Two USB Ports


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Description
FULL DATA SHEET (PDF, 292kB)
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The MAX1930 current-limited 70mΩ switch with built-in fault blanking provides an accurate, preset 1.2A to 2.3A current limit, making it ideal for dual USB applications. Its low quiescent supply current (16µA) and standby current (1µA) conserve battery power in portable applications. The MAX1930 operates with inputs from 2.7V to 5.5V, making it ideal for both 3V and 5V systems.

The MAX1930 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 MAX1930 is offered in a space-saving 8-pin SO package and operates over the extended (-40°C to +85°C) temperature range.

Key Features   Applications/Uses
  • Pin Compatible with TPS2010-TPS2013
  • Accurate Current Limit (1.2A min, 2.3A max)
  • 125mΩ (max) High-Side MOSFET
  • Short-Circuit and Thermal Protection
  • Undervoltage Lockout
  • 16µA Quiescent Supply Current
  • 1µA (max) Standby Supply Current
  • 2.7V to 5.5V Supply Range
  • Underwriters Laboratories (UL®) Recognized

 
  • Docking Stations
  • Notebook Computers
  • USB Hubs
  • USB Ports

    Key Specifications:   USB Power Switches
    Part Number Functions Number of Switches Max. Load Current (A) RON (typ) (Ω) Fault Indicator Fault Blanking Timeout (ms) Switch Op. Voltage Range (V) Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    MAX1930 
    Fault Blanking
    Pin-Compatible with TPS2010/TPS2011/TPS2012/TPS2013
    1 1.75 0.07 Yes 10 2.7 to 5.5 SOIC(N)/8 31 -40 to +85 $0.99 @ 1k
    See All USB Power Switches (28)
    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 prices and delivery, please see the price and availability page or contact an authorized distributor.

    Diagram
    MAX1930: Typical Operating Circuit
    Typical Operating Circuit

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    Document Ref.: 19-2385; Rev 2; 2002-12-20
    This page last modified: 2009-05-26


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