Smart switches are ideal for driving resistive and inductive loads including solenoids, relays, and lamps commonly found in industrial control systems such as programmable logic controllers (PLC). Skyworks smart switch offerings are 24 Volt-compatible, rigorously comply to IEC61131-2, and respond robustly to fault conditions like open circuits, over-current, over-voltage, and over-temperature.

Si834X

Si834x devices provide up to four isolated high- or low-side switches with low "ON" state switch resistance. Si834x switches are ideal for driving resistive and inductive loads including solenoids, relays, and lamps commonly found in industrial control systems such as programmable logic controllers (PLC). Each switch is galvanically isolated for safety using Skyworks' groundbreaking CMOS based isolation technology.

Si830X

Si830x provides four high-side or low-side switches with low R_ON. These switches are ideal for driving resistive and inductive loads like solenoids, relays, and lamps commonly found in industrial control systems like Programmable Logic Controllers (PLC). They are easily interfaced directly to an MCU, or controlled through a digital isolator or optocoupler-based isolation barrier.

On-board chargers convert externally-applied AC voltage to DC voltage suitable for storing energy in on-vehicle battery banks in electric and hybrid electric vehicles. Skyworks digital isolation, isolated current and voltage sensors, and isolated gate drivers provide the necessary components for high voltage battery bank recharge with the highest energy density and lowest physical volume.

Si8931

The SI893x’s 0 to 2.25 V specified input range is ideal for isolated voltage sensing. Flexible output options include differential analog (Si8931) and single-ended analog (Si8932). The Si893x provides excellent linearity with low offset and gain drift to ensure that accuracy is maintained over the entire operating temperature range.

Si823H7

Si823Hx devices are robust gate drivers for silicon-, GaN- or SiC-based power converter systems, such as SMPS or inverters. Features include a robust 30 V driver VDD capability, low latency for tighter loop control, noise filtering; high CMTI of 125 kV/µs, -5 V voltage withstand on output pins and over-temperature protection.

Si88321

Si88xx automotive products offer a complete isolation solution, combining high speed digital isolators with an isolated power supply. These products are ideal for automotive applications including battery management, PTC heaters, traction inverters, and on-board chargers.

Power over Ethernet is found in applications ranging from campus edge Ethernet switches (PSE) to desktop IP phones, IP cameras, 5G access points, and WiFi access points (PD). Backed by years of experience and robust IEEE 802.3 compliance, Skyworks PoE products offer complete solutions for both ends of the Ethernet cable.

Si3471

Si3471 is a single-port PSE controller. This device does not require a host MCU and is easy to configure, uses very little board space and includes a status LED driver. It is optimized for mid-spans and PoE injectors.

Si3474/3/2

Si3474/3/2 are multi-port PSE controllers. These devices support autonomous or hosted operation, automatically detecting valid Powered Devices (PDs) and cutting off port power when connected PDs are removed. In addition, each PSE device provides a full featured I2C register interface for advanced power management and control.

Si3404, Si34061 & Si34071

Si3404 is a Class 3 15W powered device. Si34061 is a Class 4 30W powered device. Si34071 is a class 8 90W powered device. Combined with easy to use EVBs, our powered devices (PD) provide complete solutions for designing the next generation of PoE-powered devices.

Si828x Gate Driver Board for Wolfspeed XM3

Skyworks Si828x-based Gate Driver Board is well suited for driving Wolfspeed’s Silicon Carbide (SiC) Field Effect Transistor (FET)-based XM3 module, a high voltage/high current module for traction inverters, industrial drive motors, EV fast chargers, uninterruptable power supplies, and more. Developed with support from the Wolfspeed XM3 module team, a test report is available that describes the Skyworks Si828x isolated gate drivers and Wolfspeed's half-bridge SiC FET XM3 module.

Si892x/3x/4x

The Si8921/22/3x/4x family of devices is designed to provide accurate isolated current and voltage measurement with very low drift across temperature. Based on Skyworks robust, third-generation isolation technology, the new family provides flexible voltage, current, output and package options to help developers reduce BOM cost and shrink board space for a wide range of industrial and green-energy applications including electric vehicles (EV), battery management and charging systems, dc-dc converters, and motor, solar and wind turbine inverters. The Si892x provides isolated current measurement with analog output. The Si893x provides isolated voltage measurement with both analog and DSM options.The Si894x provides isolated current sensing with DSM output.

Positive temperature coefficient (PTC) heaters provide in-cabin heating to assure passenger comfort, converting stored high voltage power to heat as part of an electric or hybrid electric vehicle’s HVAC system. Skyworks digital isolation, isolated current and voltage sensors, and isolated gate drivers provide the necessary components for high voltage heating system designs with robust efficiency and stable and consistent heat delivery.

Si8932

The SI893x’s 0 to 2.25 V specified input range is ideal for isolated voltage sensing. Flexible output options include differential analog (Si8931) and single-ended analog (Si8932). The Si893x provides excellent linearity with low offset and gain drift to ensure that accuracy is maintained over the entire operating temperature range.

Si823H9

Si823Hx devices are robust gate drivers for silicon-, GaN- or SiC-based power converter systems, such as SMPS or inverters. Features include a robust 30 V driver VDD capability, low latency for tighter loop control, noise filtering, high CMTI of 125 kV/µs, -5 V voltage withstand on output pins and over-temperature protection.

Si88342

Si88xx integrated products for signal and power isolation are complete isolation solutions, combining high speed digital isolators with an isolated power supply. These products are ideal for applications like industrial automation, programmable logic controllers (PLC), battery management systems, and motor control that require long-term performance.

Traction inverters drive multiphase AC motors in electric and hybrid electric vehicle drivetrains, drawing power from high voltage battery banks and generating the waveforms necessary for motor commutation. Skyworks digital isolation, isolated current and voltage sensors, and isolated gate drivers provide the necessary components for highly-efficient, robustly-monitored electric drivetrain locomotion.

Si8935

The SI893x’s 0 to 2.25 V specified input range is ideal for isolated voltage sensing. The Si8935/36/37 provides delta-sgma modulated output with flexible options for external or internally generated clock. The Si893x provides excellent linearity with low offset and gain drift to ensure that accuracy is maintained over the entire operating temperature range.

Si8284

Si828x isolated gate drivers are ideal for driving Silicon Carbide (SiC) FETs, IGBTs, and silicon MOSFETs in a wide variety of inverter and electric vehicle systems. Supporting up to 5.0 kV RMS and withstanding voltage per UL1577, the Si828x enables higher performance, reduced variation with temperature and age, tighter part-to-part matching, and superior common-mode rejection compared to other isolated gate driver technologies.

Si894x

The Si894x is a galvanically isolated delta-sigma modulator which outputs a digital signal proportional to the voltage level at the input. The low-voltage differential input is ideal for current measurement using shunt resistors or for any place where a sensor must be isolated from the control system.