A Power Switch saves power across multiple voltage rails and protects subsystems from damage while providing an electrical connection from a voltage source or ground to a load. Moreover, it reduces the size of printed circuit boards (PCBs) and offers increased component safety and inrush current protection. The rising adoption of Industrial automation technologies such as IOT, AI, and robotics will provide significant market opportunities for the Power Switch IC market. In this article, everything PE has listed some interesting Power Switch ICs that were trending on the website.
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AEC-Q100 Qualified Intelligent High-Side Switch IC
The ZXMS81045SPQ-13 from Diodes Incorporated is an Automotive Qualified, Intelligent High Side Switch IC that is ideal for high-side switching with diagnostic feedback for 12 V grounded leads, resistive, inductive, and capacitive loads, high in-rush current loads in incandescent lamps and motors, and compact low-power replacement for relays, fuses, and discrete circuit applications. It requires an input voltage of 5-28 V. The switch IC consists of a control logic, monolithic N-Channel vertical power MOSFET, analog current sense mirror, current limiter, charge pump gate supply, output voltage drop regulator, over-temperature detection with auto-restart, and open-load detection circuit. It is designed to offer protective and diagnostic functionalities to the circuit. Learn more.
Single High-Side Power Switch for PLC & Industrial Applications
The IPS1025HFTR from STMicroelectronics is a Single High-Side Switch that is designed to drive resistive, capacitive, or inductive loads with one side connected to the ground. It requires an input voltage of 8.65 - 60 V and has a continuous input current of up to +10 mA. This switch has two different sets of activation thresholds and limitation levels to intelligently drive the capacitive loads and loads with initial peak current requirements. It modulates the impedance to limit the output current, thereby ensuring load protection. This switch uses a junction over-temperature sensor to protect the output channels against junction over-temperature events and includes an additional temperature sensor to monitor the case temperature such that the output channel can be turned back ON only when the case temperature returns below the reset temperature. Learn more.
AEC-Q100 Qualified Load Power Switch IC
The GLF1111Q from GLF Integrated Power is a Load Power Switch IC that is designed for electronics requiring operation under high temperatures of up to 125°C. It requires an input voltage of 1.5 - 5.5 V. This load switch uses ultra-efficient IQSmart technology that ensures low quiescent current and shutdown current, thereby helping the designers to reduce parasitic leakage current, improve system efficiency, and increase the lifetime of the battery. It integrates slew rate control that enhances system reliability by mitigating bus voltage swings during switching events and minimizes voltage droop during turn-on by limiting the in-rush current. Learn more.
AEC-Q100 Qualified Energy Efficient Power Switch IC for Charging Applications
The LNK3206GQTL from Power Integrations is an Automotive Qualified Power Switch IC that is designed to provide a significant reduction in component count compared to traditional discrete solutions, thereby making it a highly reliable device. It requires an input voltage of 30 - 550 V. This power switch IC consists of a 750 V power MOSFET, oscillator, On/Off control, a high-voltage switched current source for self-biasing, current limit comparator, capacitors, and inductors. It supports buck, buck-boost, and flyback topologies and provides excellent load and line regulation. The power switch IC has a frequency jittering function to reduce the complexity of the EMI filter and integrates pin-out to allow simplification of PCB heat sink operation. Learn more.
Slew-Rate Controlled Load Switch for Portable & Medical Applications
The SiP32460 from Vishay is a Slew Rate Controlled Load Switch IC that is designed to provide a slow slew rate to minimize in-rush current during turn-on conditions. This switch requires an input voltage of 1.2 - 5.5 V. It integrates a negative charge pump at the gate terminal to provide a high gate-to-source voltage when the IC is turned on, thereby resulting in a low drain-source on-resistance at lower input voltage levels. This load switch consists of a reverse blocking circuit to prevent the current from going back to the input when the output voltage is higher than the input voltage. It allows bidirectional switching operation and can be turned ON or OFF depending on whether the power is in or out. This RoHS-compliant load switch connects a pull-down resistor at the output to discharge the output capacitance when the device is OFF. It is available in a wafer-level package that measures 0.76 x 0.76 mm and is ideal for smartphones, GPS, portable media players, tablet computers, medical and healthcare equipment, industrial and instrumentation, and game console applications. Learn more.
Advanced Load Switch Controller IC for Portable and Medical Applications
The NCP45525 from onsemi is an Advanced Load Switch Controller IC that is ideal for hot-swap devices, peripheral ports, telecom, networking, medical, industrial equipment, set-top boxes, servers, gateways, notebook, tablet computers, and portable electronic applications. It requires an input voltage of 0.5 - 13.5 V. This power switch IC consists of a control and driver functionality along with a high-performance N-Channel power MOSFET. It provides a component and area-reducing solution with an efficient power domain switching operation. This NCP45525 offers an adjustable slew rate control for a soft-start mechanism that limits the inrush current caused by capacitor charging to a safe threshold. It has a low standby current with a quick discharging capability (load bleed). This load switch is available in a surface-mount package that measures 2 x 2 mm. Learn more.
Direct Drive D-Mode Power Switch IC for Automotive and Charging Applications
The V08TC65S1A2 from VisIC Technologies is a Direct Drive D-Mode Power Switch IC that is ideal for solar inverters, AC-DC power supplies, AC motors, battery chargers, and automotive and laser driver applications. It requires an input voltage from -25 V to 6 V. This power switch IC incorporates a patented, high-density, lateral GaN power transistor into a normally-off product that provides an extremely low drain-source on-resistance and exceptionally efficient switching performance. It implements D3GaN technology in its isolated package, thereby making it useful in applications that require high power and efficiency, low volume, and cost. Learn more.
5 V Logic Controlled High-Side Load Switch
The ADP197 from Analog Devices is a Logic Controlled High-Side Load Switch. This switch requires an input voltage from 1.8 V to 5.5 V and has a continuous input current of 3 A. It provides power domain isolation, which helps extend battery operation. This power switch integrates a low on-resistance and an N-channel MOSFET to minimize power loss. It consists of an over-temperature protection circuit that activates if the junction temperature exceeds 125°C, thereby protecting itself and other downstream circuits from damage. This load switch offers compatibility with many processors and GPIO controllers. Learn more.
8 Channel Isolated Power Switch IC for PLC and Relays
The Si83418AFA-IF from Skyworks Solutions is an 8 Channel Isolated Power Switch IC that is designed for driving resistive and inductive loads like solenoids, relays, and lamps commonly found in industrial control systems like Programmable Logic Controllers (PLC). This power switch IC consists of 4 high-side switching and 4 low-side switching and offers low on-state resistance. It requires a DC supply of 9-32 V for operation and supports logical input signals of up to 5.5 V. This power switch IC is galvanically isolated for safety using Skyworks’ groundbreaking CMOS-based isolation technology. This technology offers better reliability and performance than the traditional optocoupler-based isolation, including high Common-Mode Transient Immunity (CMTI) over 100 kV/µs. Learn more.
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Note: This list has been compiled based on user activity on everything PE. To ensure that we cover the whole range of Power Switch ICs we limited the number of products from each category and company. The listed products are shown in random order and are grouped by category.