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 Price 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庫存編號 911-1017
製造零件編號BSP452HUMA1
BrandInfineon
TWD26.50
個 (在毎卷:4000)
單位
- - - - - - - - - - Surface Mount SOT-223 3 + Tab +150 °C
RS庫存編號 823-5576
製造零件編號BSP452HUMA1
BrandInfineon
TWD61.80
/個 (每包:5個)
單位
- - - - - - - - - - Surface Mount SOT-223 3 + Tab +150 °C
RS庫存編號 823-5718
製造零件編號BTS3800SLHTSA1
BrandInfineon
TWD20.20
/個 (每包:10個)
單位
- - - - - - - - - - Surface Mount SCT595 5 +150 °C
RS庫存編號 165-6505
製造零件編號BTS3800SLHTSA1
BrandInfineon
TWD9.10
個 (在毎卷:3000)
單位
- - - - - - - - - - - - - -
RS庫存編號 919-6696
製造零件編號ISP772TFUMA1
BrandInfineon
TWD30.70
個 (在毎卷:2500)
單位
High Side High Side Switch 120mΩ - 16 V 3.1A 1 - - - Surface Mount SOIC 8 +85 °C
RS庫存編號 827-5350
製造零件編號BTS141TCBUMA1
BrandInfineon
TWD114.80
/個 (每包:5個)
單位
Low Side Low Side Switch 30mΩ - 60 V 12A 1 - - - Surface Mount TO-263 3 +150 °C
RS庫存編號 753-2860
製造零件編號BTS3134NHUMA1
BrandInfineon
TWD45.60
/個 (每包:5個)
單位
Low Side Low Side Switch 100mΩ - 10 V 3A 2 - - - Surface Mount SOT-223 3 + Tab +150 °C
RS庫存編號 919-6633
製造零件編號ITS4140NHUMA1
BrandInfineon
TWD19.70
個 (在毎卷:4000)
單位
High Side High Side Switch - 60 V 0.2A 1 - - - Surface Mount SOT-223 3 + Tab +85 °C
RS庫存編號 166-0826
製造零件編號BTS50451EJAXUMA1
BrandInfineon
TWD20.50
個 (在毎卷:2500)
單位
High Side High Side Power Switch 90mΩ - 28 V 4A 1 - - - Surface Mount DSO-8-43 8 +150 °C
RS庫存編號 178-7408
製造零件編號ITS41K0SMENHUMA1
BrandInfineon
TWD19.00
個 (在毎卷:4000)
單位
High Side NMOS - 60 V - 1 - - - Surface Mount SOT-223 3 + Tab +125 °C
RS庫存編號 919-6636
製造零件編號BSP762TXUMA1
BrandInfineon
TWD27.20
個 (在毎卷:2500)
單位
High Side High Side Switch 200mΩ - 16 V 2.4A 1 - - - Surface Mount SOIC 8 +150 °C
RS庫存編號 919-6649
製造零件編號BTS3134NHUMA1
BrandInfineon
TWD23.10
個 (在毎卷:4000)
單位
Low Side Low Side Switch 100mΩ - 10 V 3A 2 - - - Surface Mount SOT-223 3 + Tab +150 °C
RS庫存編號 919-6699
製造零件編號ISP752TFUMA1
BrandInfineon
TWD24.80
個 (在毎卷:2500)
單位
High Side High Side Switch 380mΩ - 16 V 1.7A 1 - - - Surface Mount SOIC 8 +85 °C
RS庫存編號 110-9103
製造零件編號BTS50451EJAXUMA1
BrandInfineon
TWD40.60
/個 (每包:10個)
單位
High Side High Side Power Switch 90mΩ - 28 V 4A 1 - - - Surface Mount DSO-8-43 8 +150 °C
RS庫存編號 145-9495
製造零件編號BTS3207NHUMA1
BrandInfineon
TWD15.90
個 (在毎卷:4000)
單位
Low Side Low Side Switch 500mΩ - 42 V 0.64A 1 - - - Surface Mount SOT-223 3 + Tab +150 °C
RS庫存編號 753-3087
製造零件編號ISP752TFUMA1
BrandInfineon
TWD51.50
/個 (每包:2個)
單位
High Side High Side Switch 380mΩ - 16 V 1.7A 1 - - - Surface Mount SOIC 8 +85 °C
RS庫存編號 919-6605
製造零件編號BSP752TXUMA1
BrandInfineon
TWD23.30
個 (在毎卷:2500)
單位
High Side High Side Switch 380mΩ - 16 V 1.7A 1 - - - Surface Mount SOIC 8 +150 °C
RS庫存編號 906-4378
製造零件編號BTS500801TEAAUMA1
BrandInfineon
TWD91.80
/個 (每包:5個)
單位
High Side High Side Switch 22mΩ - 38 V 10A 1 - - - Surface Mount TO-252 5 +150 °C
RS庫存編號 752-8407
製造零件編號ITS4140NHUMA1
BrandInfineon
TWD43.60
/個 (每包:5個)
單位
High Side High Side Switch - 60 V 0.2A 1 - - - Surface Mount SOT-223 3 + Tab +85 °C
RS庫存編號 752-8230
製造零件編號BSP772TXUMA1
BrandInfineon
TWD64.00
/個 (每包:2個)
單位
High Side High Side Switch 120mΩ - 16 V 3.1A 1 - - - Surface Mount SOIC 8 +150 °C