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 Prix 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
N° de stock RS 753-2860
Référence fabricantBTS3134NHUMA1
MarqueInfineon
1,278 €
Each (In a Pack of 5)
Unité
Low Side Low Side Switch 100mΩ - 10 V 3A 2 - - - Surface Mount SOT-223 3 + Tab +150 °C
N° de stock RS 110-9105
Référence fabricantBTS611L1E3128ABUMA1
MarqueInfineon
3,344 €
Each (In a Pack of 5)
Unité
High Side High Side Power Switch 400mΩ - 43 V 4.4A 2 - - - Surface Mount TO-263 7 +150 °C
N° de stock RS 123-5387
Référence fabricantLNK603PG
0,812 €
Each (In a Pack of 5)
Unité
- - - - - - - - - - Through Hole DIP 7 +150 °C
N° de stock RS 146-5638
Référence fabricantLNK603PG
0,812 €
Each (In a Tube of 50)
Unité
- - - - - - - - - - Through Hole DIPC 7 +150 °C
N° de stock RS 166-1196
Référence fabricantBTS611L1E3128ABUMA1
MarqueInfineon
1,972 €
Each (On a Reel of 1000)
Unité
High Side High Side Power Switch 400mΩ - 43 V 4.4A 2 - - - Surface Mount TO-263 7 +150 °C
N° de stock RS 110-7744
Référence fabricantBTS723GWXUMA1
MarqueInfineon
4,325 €
Each (In a Pack of 4)
Unité
High Side High Side Power Switch 210mΩ - 58 V 4.2A 2 - - - Surface Mount DSO-14-37 14 +150 °C
N° de stock RS 178-8835
Référence fabricantLM3526M-H/NOPB
1,143 €
Each (In a Tube of 95)
Unité
High Side - 100mΩ - 5.5 V 2.2A 4 - - - Surface Mount SOIC 8 +85 °C
N° de stock RS 168-7848
Référence fabricantVNP35N07-E
3,204 €
Each (In a Tube of 50)
Unité
- OMNIFET: Fully Autoprotected Power MOSFET - - 70 V 35A - - - - Through Hole TO-220 3 -
N° de stock RS 146-5632
Référence fabricantTNY274PN
0,777 €
Each (In a Tube of 50)
Unité
- Off Lineer 48Ω - - 750mA 1 - 8.5W Over-Temperature Through Hole DIPC 8 +150 °C
N° de stock RS 669-7502
Référence fabricantBSP75NTA
MarqueDiodesZetex
0,718 €
Each (In a Pack of 5)
Unité
Low Side Low Side Switch 0.52Ω - 60 V 1.1A 1 - - - Surface Mount SOT-223 3 + Tab +150 °C
N° de stock RS 919-6620
Référence fabricantBTS6163DAUMA1
MarqueInfineon
1,74 €
Each (On a Reel of 2500)
Unité
High Side High Side Switch 50mΩ - 62 V 21.5A 2 - - - Surface Mount TO-252 5 +150 °C
N° de stock RS 752-8277
Référence fabricantBTS6163DAUMA1
MarqueInfineon
3,25 €
Each
Unité
High Side High Side Switch 50mΩ - 62 V 21.5A 2 - - - Surface Mount TO-252 5 +150 °C
N° de stock RS 110-7772
Référence fabricantBTS621L1E3128ABUMA1
MarqueInfineon
3,625 €
Each (In a Pack of 4)
Unité
High Side High Side Power Switch 200mΩ - 43 V 8.5A 2 - - - Surface Mount TO-263 7 +150 °C
N° de stock RS 922-7891
Référence fabricantBSP75NTA
MarqueDiodesZetex
0,36 €
Each (On a Reel of 1000)
Unité
Low Side Low Side Switch 0.52Ω - 60 V 1.1A 1 - - - Surface Mount SOT-223 3 + Tab +150 °C
N° de stock RS 145-5456
Référence fabricantFSFR1800XSL
1,898 €
Each (In a Tube of 19)
Unité
- - 0.95Ω - 400 V 7A 1 - 260W - Through Hole SIP 9 +135 °C
N° de stock RS 165-6888
Référence fabricantBTS3046SDLATMA1
MarqueInfineon
0,809 €
Each (On a Reel of 2500)
Unité
Low Side Low Side Switch 50mΩ - 60 V 3.6A 1 - - - Surface Mount TO-252 3 +150 °C
N° de stock RS 460-803
Référence fabricantLM3526M-H/NOPB
1,552 €
Each (In a Pack of 5)
Unité
High Side - 100mΩ - 5.5 V 2.2A 2 - - - Surface Mount SOIC 8 +85 °C
N° de stock RS 825-9200
Référence fabricantBTS3046SDLATMA1
MarqueInfineon
1,348 €
Each (In a Pack of 10)
Unité
Low Side Low Side Switch 50mΩ - 60 V 3.6A 1 - - - Surface Mount TO-252 3 +150 °C
N° de stock RS 110-7721
Référence fabricantTLE6232GPAUMA2
MarqueInfineon
5,82 €
Each (In a Pack of 2)
Unité
Low Side Low Side Power Switch - 5.5 V 2A 6 - - - Surface Mount DSO-36 36 +150 °C
N° de stock RS 166-0819
Référence fabricantBTS621L1E3128ABUMA1
MarqueInfineon
2,019 €
Each (On a Reel of 1000)
Unité
High Side High Side Power Switch 200mΩ - 43 V 8.5A 2 - - - Surface Mount TO-263 7 +150 °C