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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Omschrijving Prijs 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-stocknr. 165-5489
FabrikantnummerVNN3NV04PTR-E
0,512 €
Each (On a Reel of 1000)
Aantal stuks
- OMNIFET: Fully Autoprotected Power MOSFET - - 40 V 3.5A - - - - Surface Mount SOT-223 3 + Tab -
RS-stocknr. 793-1403
FabrikantnummerVNN1NV04PTR-E
1,024 €
Each (In a Pack of 5)
Aantal stuks
- OMNIFET: Fully Autoprotected Power MOSFET - - 40 V 1.7A - - - - Surface Mount SOT-223 3 + Tab -
RS-stocknr. 880-5406
FabrikantnummerSTMPS2141STR
0,468 €
Each (In a Pack of 10)
Aantal stuks
High Side MOSFET 160mΩ - 5.5 V 0.5A 1 - - - Surface Mount SOT-23 5 +125 °C
RS-stocknr. 880-5553
FabrikantnummerVNN3NV04PTR-E
0,992 €
Each (In a Pack of 10)
Aantal stuks
- - - - - - - - - - Surface Mount SOT-223 3 + Tab -
RS-stocknr. 920-6544
FabrikantnummerVNN1NV04PTR-E
0,435 €
Each (On a Reel of 1000)
Aantal stuks
- OMNIFET: Fully Autoprotected Power MOSFET - - 40 V 1.7A - - - - Surface Mount SOT-223 3 + Tab -
RS-stocknr. 168-8922
FabrikantnummerSTMPS2141STR
0,196 €
Each (On a Reel of 3000)
Aantal stuks
High Side MOSFET 160mΩ - 5.5 V 0.5A 1 - - - Surface Mount SOT-23 5 +125 °C
RS-stocknr. 165-5277
FabrikantnummerSTG3157CTR
0,152 €
Each (On a Reel of 3000)
Aantal stuks
- Low Voltage SPDT 60Ω - 5.5 V 128mA 2 - - - Surface Mount SOT-323 6 +125 °C
RS-stocknr. 877-2876
FabrikantnummerSTG3157CTR
0,395 €
Each (In a Pack of 20)
Aantal stuks
- Low Voltage SPDT 60Ω - 5.5 V 128mA 2 - - - Surface Mount SOT-323 6 +125 °C
RS-stocknr. 168-7848
FabrikantnummerVNP35N07-E
3,685 €
Each (In a Tube of 50)
Aantal stuks
- OMNIFET: Fully Autoprotected Power MOSFET - - 70 V 35A - - - - Through Hole TO-220 3 -
RS-stocknr. 809-1310
FabrikantnummerVNP35N07-E
4,45 €
Each (In a Pack of 2)
Aantal stuks
- OMNIFET: Fully Autoprotected Power MOSFET - - 70 V 35A - - - - Through Hole TO-220 3 -
RS-stocknr. 165-5294
FabrikantnummerVN5160STR-E
0,591 €
Each (On a Reel of 2500)
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 877-3122
FabrikantnummerVN5160STR-E
1,219 €
Each (In a Pack of 10)
Aantal stuks
High Side High Side Driver Switch 320mΩ - 36 V 5A 1 - - - Surface Mount SOIC 8 +150 °C
RS-stocknr. 920-8950
FabrikantnummerL9333MD
1,063 €
Each (In a Tube of 40)
Aantal stuks
- - - - 45 V - 4 - - - Surface Mount SOIC 20 +150 °C
RS-stocknr. 103-1077
FabrikantnummerAVS12CB
2,305 €
Each (In a Tube of 50)
Aantal stuks
- - - - - - - - - - Through Hole TO-220AB 3 +70 °C
RS-stocknr. 165-5312
FabrikantnummerVND14NV04TR-E
0,887 €
Each (On a Reel of 2500)
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 165-6533
FabrikantnummerVND1NV04TR-E
0,519 €
Each (On a Reel of 2500)
Aantal stuks
- OMNIFET: Fully Autoprotected Power MOSFET - - 40 V 1.7A - - - - Surface Mount TO-252 3 -
RS-stocknr. 126-7232
FabrikantnummerAVS12CB
2,73 €
Each
Aantal stuks
- - - - - - - - - - Through Hole TO-220AB 3 +70 °C
RS-stocknr. 714-7888
FabrikantnummerL9333MD
1,08 €
Each (In a Pack of 2)
Aantal stuks
- - - - 45 V - 4 - - - Surface Mount SOIC 20 +150 °C
RS-stocknr. 809-1565
FabrikantnummerVND1NV04TR-E
0,973 €
Each (On a Tape of 10)
Aantal stuks
- OMNIFET: Fully Autoprotected Power MOSFET - - 40 V 1.7A - - - - Surface Mount TO-252 3 -
RS-stocknr. 880-5547
FabrikantnummerVND14NV04TR-E
1,928 €
Each (In a Pack of 5)
Aantal stuks
- - - - - - - - - - Surface Mount TO-252 3 -