Sunday, August 28, 2016

Add-on Power Distribution Switch Circuit using MIC2009A IC

Electronic Kit School. - One Integrated Circuit that one functioned for power distribution switching is MIC2009A. MIC2009A IC and its IC family used to switch a current limiting, high-side power switches, and also designed for general purpose power distribution and control in digital television, printers, set top boxes (STB), PCs, PDAs, and other peripheral devices. So, majority that this IC functioned as current limiting and power switching.

In this article we will show you one electronic circuit that will give you add-on power distribution switch based on MIC2009A IC like in Figure 1 below. 

Circuit 

Figure 1. 

Component Parts

  1. Resistors
  2. Capacitors
  3. MIC2009A IC
  4. All component (see Figure 1 above)
Description

Circuit like in Figure 1 above show you about the Add-on Power Distribution Switch Circuit using MIC2009A IC. The mean of this add-on is a high-side power switch which be optimized for global purpose of power distribution and control in microcontroller-based circuits. 

Read also: Three Output Precision Power Supply Circuit for Microcontroller using LM7805, LM1117, and LM341

With using the MIC2009A, this IC will limit the current from the +5V dc input (Vin) to the +5V dc output (Vout) with the helping of the resistor that be connected at its pin 5 (ILIMIT). When the output of load start sourcing more than 150mA the +5V dc make output voltage is automatically controlled by the MIC2009A IC to limit the load current to this pre-setted level.

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