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 826-8235
Référence fabricantBTS721L1XUMA1
MarqueInfineon
5,48 €
Each
Unité
- - - - - - - - - - Surface Mount DSO 20 -
N° de stock RS 793-1403
Référence fabricantVNN1NV04PTR-E
0,89 €
Each (In a Pack of 5)
Unité
- OMNIFET: Fully Autoprotected Power MOSFET - - 40 V 1.7A - - - - Surface Mount SOT-223 3 + Tab -
N° de stock RS 124-8749
Référence fabricantBTS721L1XUMA1
MarqueInfineon
2,972 €
Each (On a Reel of 1000)
Unité
- - - - - - - - - - Surface Mount DSO 20 -
N° de stock RS 880-5406
Référence fabricantSTMPS2141STR
0,407 €
Each (In a Pack of 10)
Unité
High Side MOSFET 160mΩ - 5.5 V 0.5A 1 - - - Surface Mount SOT-23 5 +125 °C
N° de stock RS 812-0408
Référence fabricantTPS2511DGN
1,28 €
Each (In a Pack of 10)
Unité
High Side - 120mΩ - 5.5 V 3330mA 1 - - - Surface Mount MSOP 8 +85 °C
N° de stock RS 146-5658
Référence fabricantTNY277PN
0,95 €
Each (In a Tube of 50)
Unité
- Off Lineer 13.5Ω - - 1650mA 1 - 18W Over-Temperature Through Hole DIPC 8 +150 °C
N° de stock RS 227-668
Référence fabricant3842548949
33,93 €
Each
Unité
- - - - - - - - - - - - - -
N° de stock RS 168-8922
Référence fabricantSTMPS2141STR
0,17 €
Each (On a Reel of 3000)
Unité
High Side MOSFET 160mΩ - 5.5 V 0.5A 1 - - - Surface Mount SOT-23 5 +125 °C
N° de stock RS 165-5489
Référence fabricantVNN3NV04PTR-E
0,445 €
Each (On a Reel of 1000)
Unité
- OMNIFET: Fully Autoprotected Power MOSFET - - 40 V 3.5A - - - - Surface Mount SOT-223 3 + Tab -
N° de stock RS 162-7918
Référence fabricantTPS2511DGN
1,279 €
Each (In a Tube of 80)
Unité
High Side - 120mΩ - 5.5 V 3330mA 1 - - - Surface Mount MSOP 8 +85 °C
N° de stock RS 920-6544
Référence fabricantVNN1NV04PTR-E
0,378 €
Each (On a Reel of 1000)
Unité
- OMNIFET: Fully Autoprotected Power MOSFET - - 40 V 1.7A - - - - Surface Mount SOT-223 3 + Tab -
N° de stock RS 877-3122
Référence fabricantVN5160STR-E
1,06 €
Each (In a Pack of 10)
Unité
High Side High Side Driver Switch 320mΩ - 36 V 5A 1 - - - Surface Mount SOIC 8 +150 °C
N° de stock RS 166-0897
Référence fabricantBTS723GWXUMA1
MarqueInfineon
2,32 €
Each (On a Reel of 2500)
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 165-5294
Référence fabricantVN5160STR-E
0,514 €
Each (On a Reel of 2500)
Unité
- - - - - - - - - - - - - -
N° de stock RS 146-5641
Référence fabricantTNY275GN
1,08 €
Each (In a Tube of 50)
Unité
- Off Lineer 33Ω - - 560mA 1 - 11.5W Over-Temperature Surface Mount SMDC 8 +150 °C
N° de stock RS 809-1310
Référence fabricantVNP35N07-E
3,87 €
Each (In a Pack of 2)
Unité
- OMNIFET: Fully Autoprotected Power MOSFET - - 70 V 35A - - - - Through Hole TO-220 3 -
N° de stock RS 807-6049
Référence fabricantFSFR1800XSL
2,24 €
Each (In a Pack of 2)
Unité
- - 0.95Ω - 400 V 7A 1 - 260W - Through Hole SIP 9 +135 °C
N° de stock RS 877-2876
Référence fabricantSTG3157CTR
0,343 €
Each (In a Pack of 20)
Unité
- Low Voltage SPDT 60Ω - 5.5 V 128mA 2 - - - Surface Mount SOT-323 6 +125 °C
N° de stock RS 165-5277
Référence fabricantSTG3157CTR
0,132 €
Each (On a Reel of 3000)
Unité
- Low Voltage SPDT 60Ω - 5.5 V 128mA 2 - - - Surface Mount SOT-323 6 +125 °C
N° de stock RS 752-8274
Référence fabricantBTS5242-2L
MarqueInfineon
3,54 €
Each
Unité
High Side High Side Switch 48mΩ - 28 V 6A 4 - - - Surface Mount SOIC 12 +150 °C