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MAX1614
High-Side, N-Channel MOSFET Switch Driver

Industry's Lowest Supply Current High-Side N-Channel MOSFET Driver


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Description
FULL DATA SHEET (PDF, 88kB)
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The MAX1614 drives high-side, N-channel power MOSFETs to provide battery power-switching functions in portable equipment. N-channel power MOSFETs typically have one-third the on-resistance of P-channel MOSFETs of similar size and cost. An internal micropower regulator and charge pump generate the high-side drive output voltage, while requiring no external components.

The MAX1614 also features a 1.5%-accurate low-battery comparator that can be used to indicate a low-battery condition, provide an early power-fail warning to the system microprocessor, or disconnect the battery from the load, preventing deep discharge and battery damage. An internal latch allows for pushbutton on/off control with very low current consumption. Off-mode current consumption is only 6µA while normal operation requires less than 25µA. The MAX1614 is available in the space-saving µMAX® package that occupies about 60% less space than a standard 8-pin SO.

Key Features   Applications/Uses
  • Internal On/Off Latch
  • High-Side, N-Channel Power MOSFET Drive
  • 25µA (max) Quiescent Current
  • 6µA (max) Off Current
  • Requires No External Components
  • 1.5%-Accurate Low-Battery Detector
  • Space-Saving µMAX Package
  • 5V to 26V Input Voltage Range
  • Drives Single or Back-to-Back MOSFETs
  • Controlled Turn-On for Low Inrush Current
  • High-side, N-channel MOSFET switch driver

 
  • Battery Packs
  • Handheld Instruments (PDAs, Palmtops)
  • Notebook Computers
  • Portable Equipment

    Key Specifications:   High-Side MOSFET Drivers
    Part Number Description Typ. High Side Voltage (V) Supply Voltage (min) (V) Supply Voltage (max) (V) RoHS Available Package Operating Temp. Range (°C) Price**
    MAX1614  High Side Driver With Internal Charge Pump and Low Battery Detector Vin+8 5 26 Yes uMAX/8 -40 to +85
    0 to +70
    $1.74 @ 1k
    See All High-Side MOSFET Drivers (5)
    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
    MAX1614: Typical Operating Circuit
    Typical Operating Circuit

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    Document Ref.: 19-1176; Rev 0; 1996-12-01
    This page last modified: 2007-05-31



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