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. 124-5360
FabrikantnummerNCP45520IMNTWG-H
FabrikantON Semiconductor
€ 0,379
Each (On a Reel of 3000)
Aantal stuks
- Controlled Load 22.5mΩ - 5.5 V - 1 - 2.5W - Surface Mount DFN 8 +85 °C
RS-stocknr. 821-5294
FabrikantnummerNCP45520IMNTWG-H
FabrikantON Semiconductor
€ 0,754
Each (In a Pack of 20)
Aantal stuks
- Controlled Load 22.5mΩ - 5.5 V - 1 - 2.5W - Surface Mount DFN 8 +85 °C
RS-stocknr. 752-8407
FabrikantnummerITS4140NHUMA1
FabrikantInfineon
€ 1,166
Each (In a Pack of 5)
Aantal stuks
High Side High Side Switch - 60 V 0.2A 1 - - - Surface Mount SOT-223 3 + Tab +85 °C
RS-stocknr. 688-0679
FabrikantnummerIPS2041RPBF
FabrikantInfineon
€ 1,90
Each (In a Pack of 2)
Aantal stuks
- - 0.1Ω - - - 1 - - - Surface Mount D-PAK 3 +150 °C
RS-stocknr. 123-5388
FabrikantnummerLNK603DG
€ 0,755
Each (In a Pack of 10)
Aantal stuks
- - - - - - - - - - Surface Mount SOIC 7 +150 °C
RS-stocknr. 146-5677
FabrikantnummerTOP254GN
€ 1,188
Each (In a Tube of 50)
Aantal stuks
- Off Lineer 9.7Ω - - 2.08A 1 - 30W Over-Temperature Surface Mount SMDC 8 +150 °C
RS-stocknr. 825-9070
FabrikantnummerBTS452TATMA1
FabrikantInfineon
€ 1,189
Each (In a Pack of 10)
Aantal stuks
High Side High Side Switch 380mΩ - 52 V 2.2A 1 - - - Surface Mount TO-252 5 +150 °C
RS-stocknr. 919-8737
FabrikantnummerBTS452TATMA1
FabrikantInfineon
€ 0,718
Each (On a Reel of 2500)
Aantal stuks
High Side High Side Switch 380mΩ - 52 V 2.2A 1 - - - Surface Mount TO-252 5 +150 °C
RS-stocknr. 671-0148
FabrikantnummerFSCQ1565RTYDTU
FabrikantON Semiconductor
€ 2,52
Each (In a Pack of 5)
Aantal stuks
- - 0.53Ω - - - 1 - - - Through Hole TO-220F 5 +85 °C
RS-stocknr. 165-5919
FabrikantnummerBTS4300SGAXUMA1
FabrikantInfineon
€ 0,451
Each (On a Reel of 2500)
Aantal stuks
High Side High Side Switch 600mΩ - 34 V 0.4A 1 - - - Surface Mount DSO 8 +150 °C
RS-stocknr. 827-5167
FabrikantnummerBTS4300SGAXUMA1
FabrikantInfineon
€ 0,85
Each (In a Pack of 25)
Aantal stuks
High Side High Side Switch 600mΩ - 34 V 0.4A 1 - - - Surface Mount DSO 8 +150 °C
RS-stocknr. 166-2720
FabrikantnummerFSCQ1565RTYDTU
FabrikantON Semiconductor
€ 2,065
Each (In a Tube of 50)
Aantal stuks
- - 0.53Ω - - - 1 - - - Through Hole TO-220F 5 +85 °C
RS-stocknr. 146-5622
FabrikantnummerLNK362PN
€ 0,622
Each (In a Tube of 50)
Aantal stuks
- Off Lineer 88Ω - - 375mA 1 - 2.6W Short Circuit Through Hole DIPB 8 +150 °C
RS-stocknr. 809-0830
FabrikantnummerFDC6323L
FabrikantON Semiconductor
€ 0,395
Each (On a Tape of 20)
Aantal stuks
- Integrated Load - - 8 V 1A 2 - 0.7W - Surface Mount SOT-23 6 +150 °C
RS-stocknr. 165-7147
FabrikantnummerSI1869DH-T1-GE3
FabrikantVishay
€ 0,172
Each (On a Reel of 3000)
Aantal stuks
- - - - - - - - - - Surface Mount SC-70 6 +150 °C
RS-stocknr. 812-3097
FabrikantnummerSI1869DH-T1-GE3
FabrikantVishay
€ 0,397
Each (In a Pack of 20)
Aantal stuks
- - - - - - - - - - Surface Mount SC-70 6 +150 °C
RS-stocknr. 827-5259
FabrikantnummerBSP742RIXUMA1
FabrikantInfineon
€ 1,07
Each (In a Pack of 20)
Aantal stuks
High Side High Side Switch 700mΩ - 34 V 0.4A 1 - - - Surface Mount DSO 8 +150 °C
RS-stocknr. 862-9148
FabrikantnummerFSL336LRN
FabrikantON Semiconductor
€ 1,132
Each (In a Pack of 5)
Aantal stuks
- Integrate Pulse Width Modulator - - - 1.8A 1 - 7.08W - Through Hole PDIP 7 -
RS-stocknr. 165-6851
FabrikantnummerVNI8200XPTR
€ 4,477
Each (On a Reel of 1000)
Aantal stuks
High Side Solid State Relay 0.2Ω - 45 V 0.7A 8 - - - Surface Mount PowerSSO 36 -
RS-stocknr. 662-2451
FabrikantnummerTPS2052BD
€ 1,176
Each (In a Pack of 5)
Aantal stuks
High Side USB Power 70mΩ - 5.5 V 1.25A 2 - - - Surface Mount SOIC 8 +85 °C