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. 146-5632
FabrikantnummerTNY274PN
0,777 €
Each (In a Tube of 50)
Aantal stuks
- Off Lineer 48Ω - - 750mA 1 - 8.5W Over-Temperature Through Hole DIPC 8 +150 °C
RS-stocknr. 168-7848
FabrikantnummerVNP35N07-E
3,204 €
Each (In a Tube of 50)
Aantal stuks
- OMNIFET: Fully Autoprotected Power MOSFET - - 70 V 35A - - - - Through Hole TO-220 3 -
RS-stocknr. 922-7891
FabrikantnummerBSP75NTA
FabrikantDiodesZetex
0,36 €
Each (On a Reel of 1000)
Aantal stuks
Low Side Low Side Switch 0.52Ω - 60 V 1.1A 1 - - - Surface Mount SOT-223 3 + Tab +150 °C
RS-stocknr. 110-7744
FabrikantnummerBTS723GWXUMA1
FabrikantInfineon
4,325 €
Each (In a Pack of 4)
Aantal stuks
High Side High Side Power Switch 210mΩ - 58 V 4.2A 2 - - - Surface Mount DSO-14-37 14 +150 °C
RS-stocknr. 166-1196
FabrikantnummerBTS611L1E3128ABUMA1
FabrikantInfineon
1,972 €
Each (On a Reel of 1000)
Aantal stuks
High Side High Side Power Switch 400mΩ - 43 V 4.4A 2 - - - Surface Mount TO-263 7 +150 °C
RS-stocknr. 669-7502
FabrikantnummerBSP75NTA
FabrikantDiodesZetex
0,718 €
Each (In a Pack of 5)
Aantal stuks
Low Side Low Side Switch 0.52Ω - 60 V 1.1A 1 - - - Surface Mount SOT-223 3 + Tab +150 °C
RS-stocknr. 752-8277
FabrikantnummerBTS6163DAUMA1
FabrikantInfineon
3,25 €
Each
Aantal stuks
High Side High Side Switch 50mΩ - 62 V 21.5A 2 - - - Surface Mount TO-252 5 +150 °C
RS-stocknr. 752-8274
FabrikantnummerBTS5242-2L
FabrikantInfineon
3,54 €
Each
Aantal stuks
High Side High Side Switch 48mΩ - 28 V 6A 4 - - - Surface Mount SOIC 12 +150 °C
RS-stocknr. 919-6649
FabrikantnummerBTS3134NHUMA1
FabrikantInfineon
0,654 €
Each (On a Reel of 4000)
Aantal stuks
Low Side Low Side Switch 100mΩ - 10 V 3A 2 - - - Surface Mount SOT-223 3 + Tab +150 °C
RS-stocknr. 145-5456
FabrikantnummerFSFR1800XSL
FabrikantON Semiconductor
1,898 €
Each (In a Tube of 19)
Aantal stuks
- - 0.95Ω - 400 V 7A 1 - 260W - Through Hole SIP 9 +135 °C
RS-stocknr. 110-7772
FabrikantnummerBTS621L1E3128ABUMA1
FabrikantInfineon
3,625 €
Each (In a Pack of 4)
Aantal stuks
High Side High Side Power Switch 200mΩ - 43 V 8.5A 2 - - - Surface Mount TO-263 7 +150 °C
RS-stocknr. 165-5294
FabrikantnummerVN5160STR-E
0,514 €
Each (On a Reel of 2500)
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 460-803
FabrikantnummerLM3526M-H/NOPB
1,552 €
Each (In a Pack of 5)
Aantal stuks
High Side - 100mΩ - 5.5 V 2.2A 2 - - - Surface Mount SOIC 8 +85 °C
RS-stocknr. 146-5638
FabrikantnummerLNK603PG
0,812 €
Each (In a Tube of 50)
Aantal stuks
- - - - - - - - - - Through Hole DIPC 7 +150 °C
RS-stocknr. 165-6888
FabrikantnummerBTS3046SDLATMA1
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. 825-9200
FabrikantnummerBTS3046SDLATMA1
FabrikantInfineon
1,348 €
Each (In a Pack of 10)
Aantal stuks
Low Side Low Side Switch 50mΩ - 60 V 3.6A 1 - - - Surface Mount TO-252 3 +150 °C
RS-stocknr. 807-6049
FabrikantnummerFSFR1800XSL
FabrikantON Semiconductor
2,24 €
Each (In a Pack of 2)
Aantal stuks
- - 0.95Ω - 400 V 7A 1 - 260W - Through Hole SIP 9 +135 °C
RS-stocknr. 110-7721
FabrikantnummerTLE6232GPAUMA2
FabrikantInfineon
5,82 €
Each (In a Pack of 2)
Aantal stuks
Low Side Low Side Power Switch - 5.5 V 2A 6 - - - Surface Mount DSO-36 36 +150 °C
RS-stocknr. 753-2860
FabrikantnummerBTS3134NHUMA1
FabrikantInfineon
1,278 €
Each (In a Pack of 5)
Aantal stuks
Low Side Low Side Switch 100mΩ - 10 V 3A 2 - - - Surface Mount SOT-223 3 + Tab +150 °C
RS-stocknr. 809-1310
FabrikantnummerVNP35N07-E
3,87 €
Each (In a Pack of 2)
Aantal stuks
- OMNIFET: Fully Autoprotected Power MOSFET - - 70 V 35A - - - - Through Hole TO-220 3 -