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. 906-4387
FabrikantnummerBTS3118NHUMA1
FabrikantInfineon
1,08 €
Each (In a Pack of 20)
Aantal stuks
Low Side Low Side Switch 240mΩ - 42 V 2.17A 1 - - - Surface Mount SOT-223 3 + Tab +150 °C
RS-stocknr. 122-3268
FabrikantnummerZXMS6001N3TA
FabrikantDiodesZetex
0,393 €
Each (On a Reel of 1000)
Aantal stuks
- - 675mΩ - 6 V - 1 - 1.5W - Surface Mount SOT-223 3 + Tab +150 °C
RS-stocknr. 166-3765
FabrikantnummerFPF2496UCX
FabrikantON Semiconductor
0,302 €
Each (On a Reel of 3000)
Aantal stuks
- Over-Current Protection, Over-Voltage 100mΩ - 5.5 V 2.5A 1 - - - Surface Mount WLCSP 9 +85 °C
RS-stocknr. 919-6692
FabrikantnummerITS4141NHUMA1
FabrikantInfineon
0,808 €
Each (On a Reel of 4000)
Aantal stuks
High Side High Side Switch 320mΩ - 48 V 0.7A 1 - - - Surface Mount SOT-223 3 + Tab +85 °C
RS-stocknr. 146-5647
FabrikantnummerTNY276GN
1,132 €
Each (In a Tube of 50)
Aantal stuks
- Off Lineer 24Ω - - 1350mA 1 - 15W Over-Temperature Surface Mount SMDC 8 +150 °C
RS-stocknr. 922-7908
FabrikantnummerBSP75GTA
FabrikantDiodesZetex
0,496 €
Each (On a Reel of 1000)
Aantal stuks
Low Side Low Side Switch 0.52Ω - 60 V 1.4A 1 - - - Surface Mount SOT-223 3 + Tab +150 °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. 166-1946
FabrikantnummerFSQ0165RLX
FabrikantON Semiconductor
0,615 €
Each (On a Reel of 1000)
Aantal stuks
- Valleying Converter 10Ω - 20 V 0.9A 1 - 10W - Surface Mount LSOP 8 +85 °C
RS-stocknr. 146-5651
FabrikantnummerTOP252PN
0,492 €
Each (In a Tube of 50)
Aantal stuks
- Off Lineer 33.4Ω - - 0.68A 1 - 13W Over-Temperature Through Hole DIPC 8 +150 °C
RS-stocknr. 665-8832
FabrikantnummerTPS2046BD
0,77 €
Each (In a Pack of 5)
Aantal stuks
- - - - 5.5 V 0.7A 2 1 - - Surface Mount SOIC 8 +85 °C
RS-stocknr. 165-6545
FabrikantnummerBTS134DATMA1
FabrikantInfineon
0,701 €
Each (On a Reel of 2500)
Aantal stuks
Low Side Low Side Switch 50mΩ - 42 V 3.5A 1 - - - Surface Mount TO-252 3 +150 °C
RS-stocknr. 146-5720
FabrikantnummerTOP258EN
1,138 €
Each (In a Tube of 48)
Aantal stuks
- Off Lineer 2.9Ω - - 6.88A 1 - 148W Over-Temperature Surface Mount ESIPC 7 +150 °C
RS-stocknr. 124-8771
FabrikantnummerBSP75NHUMA1
FabrikantInfineon
0,487 €
Each (On a Reel of 4000)
Aantal stuks
Low Side Low Side Switch 550mΩ - 60 V 0.7A 1 - - - Surface Mount SOT-223 3 + Tab +150 °C
RS-stocknr. 165-6889
FabrikantnummerBTS3046SDRATMA1
FabrikantInfineon
0,809 €
Each (On a Reel of 2500)
Aantal stuks
Low Side Low Side Switch 50mΩ - 60 V 3.6A 1 - - - Surface Mount TO-252 3 +150 °C
RS-stocknr. 165-4087
FabrikantnummerMIC2026-1YM
FabrikantMicrochip
0,71 €
Each (In a Tube of 95)
Aantal stuks
High Side USB Power 90mΩ - 5.5 V 0.9A 4 - - - Surface Mount SOIC 8 +85 °C
RS-stocknr. 880-5547
FabrikantnummerVND14NV04TR-E
1,676 €
Each (In a Pack of 5)
Aantal stuks
- - - - - - - - - - Surface Mount TO-252 3 -
RS-stocknr. 760-5854
FabrikantnummerFAN7631SJX
FabrikantON Semiconductor
1,254 €
Each (In a Pack of 5)
Aantal stuks
- PFM Controller - - 25 V 8A - - 192W - Surface Mount SOP 16 +130 °C
RS-stocknr. 110-7758
FabrikantnummerBTS117BKSA1
FabrikantInfineon
1,754 €
Each (In a Pack of 10)
Aantal stuks
Low Side Low Side 100mΩ - 60 V 3.5A 1 - - - Through Hole TO-220 3 +150 °C
RS-stocknr. 812-0329
FabrikantnummerTPS22920YZPR
0,73 €
Each (On a Tape of 25)
Aantal stuks
- Load Management 12.4mΩ - 3.6 V 4A 1 - - - Surface Mount DSBGA 8 +85 °C
RS-stocknr. 165-6533
FabrikantnummerVND1NV04TR-E
0,451 €
Each (On a Reel of 2500)
Aantal stuks
- OMNIFET: Fully Autoprotected Power MOSFET - - 40 V 1.7A - - - - Surface Mount TO-252 3 -