Explore the Skyworks Solutions Isolation Portfolio

The Skyworks Solutions digital isolation product portfolio leverages our superior isolation and high voltage expertise to enhance power system performance, flexibility, and reliability while reducing system size and cost.

  • Digital Isolators
  • Isolated Gate Drivers
  • Isolated Analog/ADCs
  • Industrial I/O

Digital Isolators

The Skyworks Solutions family of CMOS digital isolators gives designers the ability to create lower cost, smaller size, higher performance, lower power, and more reliable isolated circuits than competing optocoupler solutions. With a broad product portfolio, a proven track record of industry innovation and an unwavering commitment to engineering excellence —our isolation technology is ready to meet your isolation needs.

See Complete Digital Isolation Portfolio Below

Si86sx_3

SI86Sx:  New Robust Digital Isolators

The SI86Sx is Skyworks Solutions new robust low power Digital Isolators for Automotive, Industrial , Telecom and Enterprise.

Features

  • Highly robust isolation barrier
    • Greater than 10 kV surge immunity
    • 6.0 kVrms/ 1 min max rating
    • 2121 Vpeak working voltage
    • 8 kV IEC 61000-4-2 contact capable
  • Enhanced EMC for automotive applications
  • AEC-Q100 qualified, DFMEA, DFT
    • Automotive production flow, fault and test coverage
  • High CMTI: 100 kV/µs
  • Wide VDD range: 2.25 V – 5.5 V
  • CMOS inputs instead of TTL for noise immunity
  • Deglitch to prevent false trigger from noise
  • Low power, sleep & WiFi compatible modes
  • Pin to pin compatible with Si86xx
    • Standard isolators & I2C

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Si86xx Digital Isolators

Si86xx Digital Isolators

The Si86xx is the industry’s highest performing, widest channel count series of unidirectional and bidirectional isolators supporting up to reinforced 5 kVrms isolation ratings. Based on Skyworks Solutions patented CMOS isolation technology, Si86xx isolators enable robust operation in harsh industrial applications.

Features

  • Up to 5000 VRMS isolation
  • UL, CSA, VDE certification
  • 60-year life at rated working voltage
  • High electromagnetic immunity
  • Supply voltage 2.5 to 5.5 V
  • Independent, bidirectional SDA and SCL isolation channels

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Si87xx Optocoupler Replacement Isolators

Si87xx Optocoupler Replacement Isolators

The Si871x isolators are pin-compatible, single-channel, drop-in optocoupler replacement with data rates up to 15 Mbps. These devices isolate high-speed digital signals and offer performance, reliability, and flexibility advantages not available with optocoupler solutions.

Features

  • Pin-compatible, drop-in upgrades for popular high-speed digital optocouplers
  • Performance and reliability advantages vs. optocouplers
  • Resistant to temperature, age and forward current effects
  • 10x lower FIT rate for longer service life
  • Higher common-mode transient immunity: >50 kV/μs typical
  • Lower power and forward input diode current

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Si87xx Optocoupler Replacement Isolators Sample Pack

Si87xx Optocoupler Replacement Isolators Sample Pack

The Si87xx sample pack contains six different optocoupler replacement products. Up to three samples of each of these OPNs are included:

  • Si8712AC-B-IP
  • Si8712AC-B-IS
  • Si8710AD-B-IS
  • Si8711AC-B-IP
  • Si8712BC-B-IP
  • Si8712BC-B-IS

Features:

  • PCB footprint compatible with optocouplers
  • LED emulator input
  • 3 to 30 V open collector output
  • Propagation delay: 30 ns (typical)
  • Data rates dc to 15 Mbps
  • 3.75 or 5 kV rms reinforced isolation rating
  • 50 kV/μs (typical) common-mode transient immunity
  • Temperature range: -40 to +125 °C

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Si88xx Digital Isolators with Integrated DC-DC Converter

Si88xx Digital Isolators with Integrated DC-DC Converter

The Si88xx family of devices combine high-speed digital isolators with an isolated power supply. This integrated product for signal and power isolation provides a complete isolation solution to designers. The Si88xx has up to four high-speed digital isolation channels integrated with a modified fly-back topology based DC-DC converter.

Features:

  • Precise timing on high speed 100 Mbps digital isolators, 23 ns typ prop delay
  • Transient immunity of 100 kV/µs typical
  • High electro-magnetic immunity and ultra-low emissions
  • Isolation of up to 5000 Vrms
  • Highly-reliable: 100 year lifetime
  • RoHS compliant packages: SOIC-20 wide body
  • AEC-Q100 qualified
  • Wide temperature range: -40 to +125 °C

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Si86xx Isolator Evaluation Kit

Si86xx Isolator Evaluation Kit

The Si86xx isolator evaluation kit includes several 5 kV isolators. This board is intended to simplify basic functional testing and engineering validation of various isolation product configurations for the Si86xx isolator family.

  • The evaluation board is populated with the following:
    • Si8600 5 kV bidirectional I²C isolator
    • Si8605 5 kV bidirectional I²C isolator
    • Si8621 3.75 kV 2-channel isolator
    • Si8655 1 kV 5-channel isolator
    • Si8663 5 kV 6-channel isolator
    • Si8663 3.75 kV 6-channel isolator

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Skyworks Solutions' Digital Isolator Portfolio

Part Number Description View Details
Si80xx Compact Package Digital Isolators View Details
Si86xx High Data Rate, Low Power Digital Isolators View Details
Si86xxxT High Data Rate, Low Power, 10kV Surge Isolators View Details
Si87xx Opto Pin Compatible LED Emulator Input Digital Isolators View Details
Si88xx High Data-rate, Isolators with Integrated DC-DC View Details

Isolated Gate Drivers

The Skyworks Solutions ISOdriver product family offers ultra-fast propagation delays for better timing margins, rock-solid operation over temperature and time, and unparalleled size and cost benefits. Isolation ratings of 1, 2.5, 3.75 and 5.0 kV are available.

See Complete Digital Isolation Portfolio Below

Si828x ISOdriver Gate Drivers

Si828x ISOdriver Gate Drivers

The Skyworks Solutions Si828x family is ideal for driving IGBTs used in a wide variety of inverter and motor control applications. The Si828x devices are isolated, high current gate drivers with integrated system safety and feedback functions

Features

  • 4 A IGBT driver
  • System Safety Features
  • Skyworks Solutions' high-performance isolation technology
  • 30 V driver-side supply voltage
  • Integrated Miller clamp
  • Power ready pin
  • Complementary driver control input
  • Integrated DC-DC converter

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Si822x/3x Isolated Gate Driver

Si822x/3x Isolated Gate Driver

The Si8220/1 are "opto-input", package and pin compatible single-channel isolated gate driver upgrades to HCPL-3120 and other optically-coupled gate drivers. These devices can connect to optocoupler external input circuits and offer significant improvements in performance and reliability.

Features

  • Integrated isolator plus dual gate drivers in one package
  • Up to 5 kVrms input-to-output differential voltage isolation
  • Withstands 1500 VDC peak driver-to-driver isolation
  • HS/LS and dual versions
  • Up to 8 MHz switching frequency
  • 0.5 A peak output (Si8230/1/2)

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Si826x ISOdrivers for Gate Drive Optocouplers

Si826x ISOdrivers for Gate Drive Optocouplers

The Skyworks Solutions family of Si826x ISOdrivers provides pin-compatible, drop-in upgrades for popular gate drive optocouplers. The devices are ideal for driving power MOSFETs and IGBTs used in a wide variety of inverter and motor control applications.

Features:

  • Low power diode emulator simplifies design-in process
  • 0.6 and 4.0 Amp peak output drive current
  • Rail-to-rail output voltage
  • Performance and reliability advantages vs. opto-drivers 60 ns propagation delay, independent of input drive current
  • Wide VDD range: 5 to 30 V
  • 3.75 and 5 kV reinforced isolation

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Si8285/86 Isolated Gate Driver Evaluation Kit

Si8285/86 Isolated Gate Driver Evaluation Kit

The Si8285/86 evaluation board allows system designers to evaluate the features and specifications of the Si8285 and Si8286 isolated IGBT drivers.

  • Kit features:
    • Si8285/86-EVB evaluation board
    • Si8285CD-IS Isolated IGBT Driver with Miller Clamp and Driver Power Feedback
    • Si8286CD-IS: Isolated IGBT Driver

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Si8273 Isolated Gate Driver Evaluation Kit

Si8273 Isolated Gate Driver Evaluation Kit

The board comes populated with the Si8271 and either the Si8273 version of the family and includes screw terminals for quick evaluation of the devices’ key parameters and also includes test points on each devices’ pins to accommodate direct connection to the designer’s end system.

  • Kit features:
    • Si8273ISO-EVB evaluation board
    • Si8271 - Single channel driver in 8 NB SOIC package
    • Si8273 - Dual high side/low side drivers in 16 NB SOIC package

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Skyworks Solutions' SoCs

Part Number Description View Details
Si828x Isolated Gate Drivers Si828x Isolated Gate Drivers with Desaturation Protection and Integrated DC-DC Controller View Details
Si827x Isolated Gate Drivers High Transient Immunity Isolated Gate Drivers View Details
Si8239x Isolated Gate Drivers Isolated Gate Drivers with Enhanced Fault Detection View Details
Si822x/3x Isolated Gate Drivers General Purpose Isolated Gate Drivers View Details
Si826x Isolated Gate Drivers Optocoupled Gate Driver Replacement View Details
Si823Hx Isolated Gate Drivers High Performance Isolated Gate Drivers View Details
Si825xx Isolated Gate Drivers High Voltage Input Isolated Gate Drivers View Details

Isolated Analog and Isolated ADCs

The Skyworks Solutions Si85xx/Si890x sensor family is ideal for a broad range of applications, including ac-dc switching power supplies, isolated dc-dc supplies, UPS systems, motor control, and electronic lighting ballasts. Our Isolated AC, High-Side DC current sensors, and Isolated AC Mains Monitors provide current sensing solutions for a wide range of power applications.

See Complete Current Sensors Portfolio Below

Si8920 Isolated Amplifers

Si892x Isolated Amplifier

Si892x is a galvanically isolated analog amplifier ideal for measuring voltage across a current shunt resistor or for any place where a sensor must be isolated from the control system. Si892x amplifiers offer low voltage and differential input while providing higher performance, reduced variation with temperature and age, tighter part-to-part matching, and longer lifetimes compared to other isolation technologies. Si892x devices use our proprietary isolation technology and have a very low signal delay that allows control systems to respond quickly to fault conditions or changes in load. Low offset and gain drift ensure accuracy is maintained over the entire operating temperature range. Exceptionally high common mode transient immunity enables the Si892x to deliver accurate measurements, even in the presence of high power switching, such as in motor drive system or inverter applications. The amplifiers support up to 5.0 kVrms withstand voltage per UL1577 with a differential analog signal output amplified by either 8.1x or 16.2x.

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Si890x Isolated Amplifiers

Si8931/32 Isolated Amplifier for Voltage Measurement

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. Exceptionally high common-mode transient immunity means that the Si893x delivers accurate measurements even in the presence of high-power switching as is found in motor drive systems and inverters. The Si893x utilizes Skyworks' proprietary isolation technology. It supports up to 5.0 kVrms withstand voltage per UL1577. This technology enables higher performance, reduced variation with temperature and age, tighter part-to-part matching, and longer lifetimes compared to other isolation technologies.

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Si8540 High-Side DC Current Sensor

Si8935/36/37 Isolated Delta-Sigma Modulator for Voltage Measurement

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. Exceptionally high common-mode transient immunity means that the Si893x delivers accurate measurements even in the presence of high-power switching as is found in motor drive systems and inverters. The Si893x utilizes Skyworks’ proprietary isolation technology. It supports up to 5.0 kVrms withstand voltage per UL1577. This technology enables higher performance, reduced variation with temperature and age, tighter part-to-part matching, and longer lifetimes compared to other isolation technologies.

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Si894x Isolated Delta-Sigma Modulator for Current Measurement

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. Low noise, low error, and high precision ensure an accurate measurement of system current. The output of the Si894x comes from a 2nd order delta-sigma modulator. The modulator can be clocked either from an onboard oscillator (Si8946/47) or from an external clock (Si8941). The output is typically digitally filtered by an MCU or FPGA in the system. The Si894x isolated delta-sigma modulator utilizes Skyworks' proprietary isolation technology. It supports up to 5.0 kVrms withstand voltage per UL1577. This technology enables higher performance, reduced variation with temperature and age, tighter part-to-part matching, and longer lifetimes compared to other isolation technologies.

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Si892x Isolated Amplifier Evaluation Kit | Si8921 Isolated Amplifier Evaluation Kit | Si8922 Isolated Amplifier Evaluation Kit

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Skyworks Solutions' Isolated Analog/ ADCs

Part Number Description View Details
Si890x Isolated ADC View Details
Si8540 High-side DC Current Sensor View Details
Si892x Isolated Amplifier View Details

Industrial I/O

Skyworks Solutions Inc. offers a complete set of industrial I/O solutions for a wide range of automation applications like programmable logic controllers (PLC,) and motor drives, and robot controllers. Our IEC 61131-2 compliant input and output products are flexible enough for a wide range loads and digital voltages.

Si8751/52 Isolated FET Driver

Si8751/52 Isolated FET Driver

The Si875x enables new pathways to the creation of custom Solid State Relay (SSR) configurations. The Si875x integrates robust isolation technology with an SSR FET driver.

  • Kit features:
    • Drives user-selected external FETs
    • Choice of digital input control (Si8751) or diode emulation control (Si8752)
    • Internally generated secondary side power supply
    • 10 V output with 1 mA input current
    • As fast as 82 μs turn-on time and 46 us turn-off time
    • Active Miller Clamp to prevent unintended turn-on and reduce inductive chatter

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Si8751 Isolated FET Driver Evaluation Kit

Si8751 Isolated FET Driver Evaluation Kit

The Si8751-KIT evaluation board demonstrates how easy it is to replace electromechanical or solid state relays using the Si875x with a cost, power, and performance optimized FET.

  • Kit contents:
    • Si875x based evaluation board
    • Information card

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Si875x

Si875x

The Si875x enables new pathways to the creation of custom Solid State Relay (SSR) configurations. The Si875x integrates robust isolation technology with an SSR FET driver.

  • Features:
    • Drives user-selected external FETs
    • Choice of digital input control (Si8751) or diode emulation control (Si8752)
    • Internally generated secondary side power supply
    • 10 V output with 1 mA input current
    • As fast as 82 μs turn-on time and 46 us turn-off time
    • Active Miller Clamp to prevent unintended turn-on and reduce inductive chatter

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Si838x

Si838x

The Si838x isolated bipolar digital input offers 8 sourcing or sinking channels in a compact package ideally suited for a wide range of industrial voltage levels including the IEC 61131-2 standard of 24 VDC.

  • Features:
    • Unique 8-channel, bipolar LED input isolator ideal for programmable logic controllers
    • Extremely flexible inputs adapt to any digital voltage level
    • Built-in customizable filters ensure accurate data in any environment
    • Control up to 128 channels with a single SPI interface

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Si838x

Si834x

The Si834x Isolated Smart Switch packs 4 low RON high-side or low-side switches into a highly integrated DFN package with robust diagnostics and channel protection.

  • Features:
    • Built-in over-current and demagnetization (inductive kick) protection
    • Up to 8 different diagnostic reports
    • 700 mA of continuous current output and 8 A of inrush current tolerance
    • Control up to 128 channels with a single SPI interface

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Skyworks Solutions' Industrial I/O

Part Number Description View Details
Si838x Isolated Bipolar Digital Input View Details
Si834x Isolated Smart Switch View Details
Si875x Isolated FET Driver View Details
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