Power Switch ICs

Power switch ICs (integrated circuits) are electronic components that control the power for another device within the circuit. They are used to enable or disable a power rail. Power switches are often used to control the current to a USB connector to prevent short-circuiting. These switches provide protection for circuits which may experience overload or high operating temperatures. Load switches are active whenever the power is switched on and therefore offer low leakage currents. Load switches are often used instead of a MOSFET as they offer additional protection from a smaller package.

When choosing a power switch it is important to consider the current limit levels. These levels can be fixed or adjustable depending on the device. Power switch ICs come in a standard semiconductor package, such as a SOT-21, SSOP and PDIP.

Where are they used?

  • USB ports (e.g. USB-C)
  • Desktop computers
  • Docking stations
  • General switching or linear applications

High-side and Low-side Switches

High-side switches sit between the positive power line and the load. Low-side switches sit between the load and the ground. High-side switches are more commonly used in heavy-load applications where a short circuit is more likely at the ground. Low-side switches are often cheaper and ideal for when load is controlled through a high-speed PWM. There are also H-bridge switch ICs which require both high-side and low-side switches.

What is an Intelligent Power Switch (IPS)?

Intelligent power switches are ICs that are largely used in the automotive applications. They also play a big role in the “Smart Home” products. An Intelligent power switch combines multiple actions into a single process. They are used in PAC (Programmable Automation Controller), CNC (Computer Numerical Control) & PLC (Programmable Logic Controller), robotics, agricultural systems, security systems & used in green energy, like wind turbines.


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Description Price Power Switch Topology Power Switch Type Switch On Resistance Number of Channels Maximum Operating Supply Voltage Maximum Operating Current Number of Outputs Number of Inputs Power Rating Protection Features Mounting Type Package Type Pin Count Maximum Operating Temperature
RS stock no. 165-4066
Mfr. Part No.MIC2514YM5-TR
BrandMicrochip
R 29.348
Each (On a Reel of 3000)
units
- - - - 13.5 V - 1 1 - - Surface Mount SOT-23 5 +85 °C
RS stock no. 910-1708
Mfr. Part No.MIC2514YM5-TR
BrandMicrochip
R 38.592
Each (In a Pack of 5)
units
- - - - 13.5 V - 1 1 - - Surface Mount SOT-23 5 +85 °C
RS stock no. 910-1509
Mfr. Part No.MIC2026-1YM
BrandMicrochip
R 16.419
Each (In a Pack of 10)
units
High Side USB Power 90mΩ - 5.5 V 0.9A 4 - - - Surface Mount SOIC 8 +85 °C
RS stock no. 165-4275
Mfr. Part No.MIC2026-1YM-TR
BrandMicrochip
R 12.524
Each (On a Reel of 2500)
units
High Side USB Power 90mΩ - 5.5 V 0.9A 4 - - - Surface Mount SOIC 8 +85 °C
RS stock no. 165-4087
Mfr. Part No.MIC2026-1YM
BrandMicrochip
R 13.796
Each (In a Tube of 95)
units
High Side USB Power 90mΩ - 5.5 V 0.9A 4 - - - Surface Mount SOIC 8 +85 °C
RS stock no. 910-1676
Mfr. Part No.MIC2026-1YM-TR
BrandMicrochip
R 16.437
Each (In a Pack of 10)
units
High Side - 170mΩ - 5.5 V - 2 - - - Surface Mount SOIC 8 +85 °C
RS stock no. 911-2723
Mfr. Part No.MIC2005A-1YM6-TR
BrandMicrochip
R 3.842
Each (In a Pack of 25)
units
High Side USB Power 275mΩ - 5.5 V 0.9A 1 - - - Surface Mount SOT-23 6 +85 °C
RS stock no. 165-4312
Mfr. Part No.MIC2005A-1YM6-TR
BrandMicrochip
R 3.498
Each (On a Reel of 3000)
units
High Side USB Power 275mΩ - 5.5 V 0.9A 1 - - - Surface Mount SOT-23 6 +85 °C
RS stock no. 165-4225
Mfr. Part No.MIC2005A-1YM5-TR
BrandMicrochip
R 3.462
Each (On a Reel of 3000)
units
High Side - 275mΩ - 5.5 V 0.5A 1 - - - Surface Mount SOT-23 5 +85 °C
RS stock no. 165-4277
Mfr. Part No.MIC2026-2YM-TR
BrandMicrochip
R 7.578
Each (On a Reel of 2500)
units
High Side - 170mΩ - 5.5 V - 2 - - - Surface Mount SOIC 8 +85 °C
RS stock no. 145-9149
Mfr. Part No.MIC2026A-1YM
BrandMicrochip
R 10.583
Each (In a Tube of 95)
units
High Side High Side Switch 170mΩ - 5.5 V 1.25A 2 - - - Surface Mount SOIC 8 +85 °C
RS stock no. 170-4352
Mfr. Part No.LR745N3-G
BrandMicrochip
R 6.44
Each (In a Bag of 1000)
units
- - - - - - - - - - - - - -
RS stock no. 910-1496
Mfr. Part No.MIC2076-2YM
BrandMicrochip
R 20.254
Each (In a Pack of 5)
units
High Side USB Power 90mΩ - 5.5 V 0.9A 4 - - - Surface Mount SOIC 8 +85 °C
RS stock no. 911-3102
Mfr. Part No.MIC2026A-1YM
BrandMicrochip
R 12.711
Each (In a Pack of 10)
units
High Side High Side Switch 170mΩ - 5.5 V 1.25A 2 - - - Surface Mount SOIC 8 +85 °C
RS stock no. 910-1691
Mfr. Part No.MIC2026-2YM-TR
BrandMicrochip
R 7.708
Each (In a Pack of 10)
units
High Side - 170mΩ - 5.5 V - 2 - - - Surface Mount SOIC 8 +85 °C
RS stock no. 910-1506
Mfr. Part No.MIC2026-2YM
BrandMicrochip
R 16.419
Each (In a Pack of 10)
units
High Side USB Power 90mΩ - 5.5 V 0.9A 4 - - - Surface Mount SOIC 8 +85 °C
RS stock no. 829-3449
Mfr. Part No.LR745N3-G
BrandMicrochip
R 8.418
Each (In a Pack of 20)
units
- SMPS Start Up - - 40 V 4mA 1 - - - Through Hole TO-92 3 +150 °C
RS stock no. 145-9132
Mfr. Part No.MIC2026-2YM
BrandMicrochip
R 13.796
Each (In a Tube of 95)
units
High Side USB Power 90mΩ - 5.5 V 0.9A 4 - - - Surface Mount SOIC 8 +85 °C
RS stock no. 910-1809
Mfr. Part No.MIC2005A-1YM5-TR
BrandMicrochip
R 3.806
Each (In a Pack of 25)
units
High Side - 275mΩ - 5.5 V 0.5A 1 - - - Surface Mount SOT-23 5 +85 °C
RS stock no. 145-9131
Mfr. Part No.MIC2076-2YM
BrandMicrochip
R 16.988
Each (In a Tube of 95)
units
High Side USB Power 90mΩ - 5.5 V 0.9A 4 - - - Surface Mount SOIC 8 +85 °C