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. 145-4321
FabrikantnummerKA5L0380RYDTU
FabrikantON Semiconductor
€ 1,26
Each (In a Tube of 50)
Aantal stuks
- Off Lineer 4.6Ω - 30 V 2.41A 1 - 75W - Through Hole TO-220F 4 +85 °C
RS-stocknr. 146-5672
FabrikantnummerTNY278GN
€ 1,427
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Aantal stuks
- Off Lineer - - 1650mA 1 - 21.5W Over-Temperature Surface Mount SMDC 8 +150 °C
RS-stocknr. 168-8915
FabrikantnummerVNS3NV04DP-E
€ 1,039
Each (In a Tube of 100)
Aantal stuks
- OMNIFET: Fully Autoprotected Power MOSFET - - 40 V 3.5A - - - - Surface Mount SOIC 8 +150 °C
RS-stocknr. 124-8773
FabrikantnummerBTS4140NHUMA1
FabrikantInfineon
€ 0,513
Each (On a Reel of 4000)
Aantal stuks
High Side High Side Switch 3000mΩ - 60 V 0.2A 1 - - - Surface Mount SOT-223 3 + Tab +150 °C
RS-stocknr. 714-7884
FabrikantnummerL6376D
€ 6,86
Each
Aantal stuks
- - - - - - 4 4 - - Surface Mount PowerSO 20 +85 °C
RS-stocknr. 146-5653
FabrikantnummerLNK606PG
€ 0,492
Each (In a Tube of 50)
Aantal stuks
- - - - - - - - - - Through Hole DIPC 7 +150 °C
RS-stocknr. 760-3271
FabrikantnummerTPD2005F(EL,F)
FabrikantToshiba
€ 5,18
Each
Aantal stuks
High Side High Side Switch 1.2Ω - 40 V - 8 - 1.2W - Surface Mount SSOP 24 +85 °C
RS-stocknr. 814-1269
FabrikantnummerSIP32408DNP-T1-GE4
FabrikantVishay
€ 0,331
Each (In a Pack of 50)
Aantal stuks
- Controlled Load 52mΩ - 5.5 V - 1 - 735mW - Surface Mount TDFN 4 +125 °C
RS-stocknr. 812-0256
FabrikantnummerTPS2041CDBVT
€ 0,531
Each (In a Pack of 10)
Aantal stuks
- Distribution 154mΩ - 5.5 V 0.5A 1 - - - Surface Mount SOT-23 5 +85 °C
RS-stocknr. 828-7665
FabrikantnummerAP2331W-7
FabrikantDiodesZetex
€ 0,318
Each (In a Pack of 50)
Aantal stuks
- Load 350mΩ - 5.2 V 0.2A 1 - - - Surface Mount SC-59 3 +85 °C
RS-stocknr. 753-2822
FabrikantnummerBSP762TXUMA1
FabrikantInfineon
€ 1,535
Each (In a Pack of 2)
Aantal stuks
High Side High Side Switch 200mΩ - 16 V 2.4A 1 - - - Surface Mount SOIC 8 +150 °C
RS-stocknr. 919-8724
FabrikantnummerITS711L1FUMA1
FabrikantInfineon
€ 1,918
Each (On a Reel of 1000)
Aantal stuks
High Side High Side Switch 400mΩ - 34 V 4.4A 4 - - - Surface Mount SOIC 20 +85 °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. 445-2326
FabrikantnummerBTS711L1XUMA1
FabrikantInfineon
€ 4,08
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Aantal stuks
- High Speed 0.165Ω - 16 V 7.5A 4 - - - Surface Mount DSO 20 +150 °C
RS-stocknr. 919-6636
FabrikantnummerBSP762TXUMA1
FabrikantInfineon
€ 0,795
Each (On a Reel of 2500)
Aantal stuks
High Side High Side Switch 200mΩ - 16 V 2.4A 1 - - - Surface Mount SOIC 8 +150 °C
RS-stocknr. 864-9347
FabrikantnummerFPF2003
FabrikantON Semiconductor
€ 0,637
Each (In a Pack of 10)
Aantal stuks
- Load Management 1.2Ω - 5.5 V 50mA 1 - - - Surface Mount SC-70 5 +85 °C
RS-stocknr. 166-2502
FabrikantnummerFPF2163
FabrikantON Semiconductor
€ 0,355
Each (On a Reel of 3000)
Aantal stuks
- Full Function Load 0.18Ω - 5.5 V 1.5A 1 - 1.2W - Surface Mount MLP 6 +85 °C
RS-stocknr. 922-4725
FabrikantnummerTPS2041BDBVT
€ 0,692
Each (On a Reel of 250)
Aantal stuks
High Side USB Power 95mΩ - 5.5 V 1.25A 2 - - - Surface Mount SOT-23 5 +85 °C
RS-stocknr. 880-5535
FabrikantnummerVN751STR
€ 1,698
Each (In a Pack of 5)
Aantal stuks
High Side Driver 180mΩ - 36 V 2.5A 1 - - - Surface Mount SOIC 8 +150 °C
RS-stocknr. 809-0834
FabrikantnummerFDC6324L
FabrikantON Semiconductor
€ 0,42
Each (In a Pack of 20)
Aantal stuks
- Integrated Load - - 20 V 1A 2 - 0.7W - Surface Mount SOT-23 6 +150 °C