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Manufacturer Part #


MIC2019 Series 1 Channel 5.5 V Adj. High Side Power Distribution Switch SOT-23-6

ECAD Model:
Mfr. Name: Microchip
Standard Pkg:
Date Code: 2103
Product Specification Section
Technical Attributes
Attributes Table
Configuration: High Side
Input Voltage: 2.5V to 5.5V
No of Elements: Single
On-state Resistance-Max: 220mΩ
Type: Power Switch
Package Style:  SOT-23-6 (SOT-26)
Mounting Method: Surface Mount
Features & Applications

The MIC2019A-1YM6 TR is a current limiting, high-side power switches, designed for general purpose power distribution and control in PCs, PDAs, printers and other self-powered systems.

The MIC2009 and MIC2019’s primary functions are current limiting and power switching. They are thermally protected and will shutdown should their internal temperature reach unsafe levels.  This protects both the device and the load under high current or fault conditions.

Features include: fault reporting, with fault blanking to eliminate noise-induced false alarms; output slew rate limiting and under voltage detection. Both devices offer user programmable current limiting thereby providing designers a continuous spectrum of current limits from 200 mA to 2 Amps. The MIC2019A-1YM6 TR offers a unique new feature: Kickstart™, which allows momentary high current surges to pass unrestricted without sacrificing overall system safety. The MIC2019A-1YM6 TR is an excellent choices for USB and IEEE 1394 (FireWire) applications or for any system where current limiting and power control are desired. The MIC2019A-1YM6 TR is offered in space saving 6-pin SOT-23 packages.

Key Features:

  • 70 mΩ typical on-resistance
  • 2.5 V – 5.5 V operating range
  • User adjustable current limit: 0.2 A – 2.0 A
  • Kickstart™ allows momentary current surges before the onset of current limiting
  • User adjustable output slew rate control
  • Automatic load discharge
  • Thermal protection
  • Under voltage lock-out
  • Low quiescent current
  • Operating temperatures from –40 °C to +85 °C
  • ESD protection
  • UL certification, file number E179633 


  • USB / IEEE 1394 Power Distribution
  • Desktop and Laptop PCs
  • Satellite / cable / DVR set top boxes
  • PDAs
  • Printers
  • Chargers and docking stations
  • Game consoles 

To learn more about the MIC2019A product family, Click Here.

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