ADP190

PRODUCTION

Logic Controlled, High-Side Power Switch

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Overview

  • Low RDSON of 105 mΩ @ 1.8 V
  • Low input voltage range: 1.2 V to 3.6 V
  • 500 mA continuous operating current
  • Built-in level shift for control logic that can be operated by 1.2 V logic
  • Low 2 μA (maximum) ground current
  • Ultralow shutdown current: <1 μA
  • Ultrasmall 0.8 mm × 0.8 mm, 4-ball, 0.4 mm pitch WLCSP

The ADP190 is a high-side load switch designed for operation from 1.2 V to 3.6 V. This load switch provides power domain isolation for extended power battery life. The device contains a low on-resistance P-channel MOSFET that supports more than 500 mA of continuous current and minimizes power loss. The low 2 μA (maximum) of ground current and ultralow shutdown current make the ADP190 ideal for battery-operated portable equipment. The built-in level shifter for enable logic makes the ADP190 compatible with modern processors and GPIO controllers.

Beyond operating performance, the ADP190 occupies minimal printed circuit board (PCB) space with an area less than 0.64 mm2 and a height of 0.60 mm. It is available in an ultrasmall 0.8 mm × 0.8 mm, 4-ball, 0.4 mm pitch WLCSP.
Applications

  • Mobile phones
  • Digital cameras and audio devices
  • Portable and battery-powered equipment
  • ADP190
    Logic Controlled, High-Side Power Switch
    ADP190-cdl
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    Evaluation Kits

    EVAL-ADP190

    ADP190 Evaluation Board

    Product Details


    The EVAL-ADP190 is used to demonstrate the functionality of the ADP190 power switch. Simple device measurements such as VIN to VOUT resistance (RDSON), ground current, and off state current can be demon-strated with just a single voltage supply, a voltmeter, a current meter, and load resistors.

    EVAL-ADP190
    ADP190 Evaluation Board

    Reference Designs

    Isolated USB to FTDI Isolated RS-232/Isolated RS-485 Circuit
    CN0373 Circuits from the lab

    Isolated USB to Isolated RS-485/Isolated RS-232 Interface

    Features and Benefits

    • Isolated USB to Isolated RS-485/RS-232 Interface 
    • Small Footprint 
    • Robust Interface 

    CN0373
    Isolated USB to Isolated RS-485/Isolated RS-232 Interface
    Isolated USB to FTDI Isolated RS-232/Isolated RS-485 Circuit

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