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 146-5631
Référence fabricantLNK364GN
0,742 €
Each (In a Tube of 50)
Unité
- Off Lineer 45Ω - - 750mA 1 - 6W Short Circuit Surface Mount SMDB 8 +150 °C
N° de stock RS 146-5635
Référence fabricantTNY274GN
1,132 €
Each (In a Tube of 50)
Unité
- Off Lineer 48Ω - - 750mA 1 - 8.5W Over-Temperature Surface Mount SMDC 8 +150 °C
N° de stock RS 533-890
Référence fabricantTNY274GN
1,37 €
Each (In a Pack of 5)
Unité
- Off Lineer - - - - - - 11W - Surface Mount PDIP SMD 7 +150 °C
N° de stock RS 146-5693
Référence fabricantTNY280PN
1,438 €
Each (In a Tube of 50)
Unité
- Off Lineer 4.5Ω - - 2550mA 1 - 28.5W Over-Temperature Through Hole DIPC 8 +150 °C
N° de stock RS 146-5643
Référence fabricantTNY276PN
0,845 €
Each (In a Tube of 50)
Unité
- Off Lineer 24Ω - - 1350mA 1 - 15W Over-Temperature Through Hole DIPC 8 +150 °C
N° de stock RS 146-5630
Référence fabricantLNK364PN
0,709 €
Each (In a Tube of 50)
Unité
- Off Lineer 45Ω - - 750mA 1 - 6W Short Circuit Through Hole DIPB 8 +150 °C
N° de stock RS 166-0876
Référence fabricantBTS3028SDLATMA1
MarqueInfineon
0,997 €
Each (On a Reel of 2500)
Unité
Low Side Low Side Power Switch 128mΩ - 10 V 5.8A 1 - - - Surface Mount TO-252 3 +150 °C
N° de stock RS 110-7182
Référence fabricantBTS3028SDLATMA1
MarqueInfineon
2,22 €
Each (In a Pack of 5)
Unité
Low Side Low Side Power Switch 128mΩ - 10 V 5.8A 1 - - - Surface Mount TO-252 3 +150 °C
N° de stock RS 809-9881
Référence fabricantADP197ACBZ-R7
1,238 €
Each (In a Pack of 5)
Unité
High Side - 17mΩ - 5.5 V - 1 - - - Surface Mount WLCSP 6 +85 °C
N° de stock RS 160-4458
Référence fabricantADP197ACBZ-R7
0,60 €
Each (On a Reel of 3000)
Unité
High Side - 17mΩ - 5.5 V - 1 - - - Surface Mount WLCSP 6 +85 °C
N° de stock RS 166-1829
Référence fabricantFDC6331L
0,148 €
Each (On a Reel of 3000)
Unité
- Integrated Load 0.1Ω - 8 V 2.8A 2 - 0.7W - Surface Mount SOT-23 6 +150 °C
N° de stock RS 761-3616
Référence fabricantFDC6331L
0,482 €
Each (In a Pack of 5)
Unité
- Integrated Load 0.1Ω - 8 V 2.8A 2 - 0.7W - Surface Mount SOT-23 6 +150 °C
N° de stock RS 898-6965
Référence fabricantBTS442E2E3062ABUMA1
MarqueInfineon
5,235 €
Each (In a Pack of 2)
Unité
High Side High Side Switch 35mΩ - 42 V 21A 1 - - - Surface Mount TO-263 5 +150 °C
N° de stock RS 165-8024
Référence fabricantBTS442E2E3062ABUMA1
MarqueInfineon
2,842 €
Each (On a Reel of 1000)
Unité
High Side High Side Switch 35mΩ - 42 V 21A 1 - - - Surface Mount TO-263 5 +150 °C
N° de stock RS 146-5699
Référence fabricantLNK364DN
0,757 €
Each (In a Tube of 100)
Unité
- Off Lineer 45Ω - - 750mA 1 - 6W Short Circuit Surface Mount SOC 8 +150 °C
N° de stock RS 662-2384
Référence fabricantTPS2051BDBVT
0,822 €
Each (In a Pack of 5)
Unité
High Side USB Power 95mΩ - 5.5 V 1.25A 2 - - - Surface Mount SOT-23 5 +85 °C
N° de stock RS 146-5672
Référence fabricantTNY278GN
1,427 €
Each (In a Tube of 50)
Unité
- Off Lineer - - 1650mA 1 - 21.5W Over-Temperature Surface Mount SMDC 8 +150 °C
N° de stock RS 146-5664
Référence fabricantTNY277GN
0,566 €
Each (In a Tube of 50)
Unité
- Off Lineer 13.5Ω - - 1650mA 1 - 18W Over-Temperature Surface Mount SMDC 8 +150 °C
N° de stock RS 922-4729
Référence fabricantTPS2051BDBVT
0,692 €
Each (On a Reel of 250)
Unité
High Side USB Power 95mΩ - 5.5 V 1.25A 2 - - - Surface Mount SOT-23 5 +85 °C
N° de stock RS 880-5553
Référence fabricantVNN3NV04PTR-E
0,862 €
Each (In a Pack of 10)
Unité
- - - - - - - - - - Surface Mount SOT-223 3 + Tab -