Datasheet Si86Px (Skyworks)

DATA SHEET Si86Px: Dual and Quad Digital Isolators with Integrated Power Applications Description
• Industrial automation systems The Si86Px family integrates proven Skyworks digital • Isolated switch mode supplies isolation technology with an integrated isolated dc-dc • Inverters converter and matched miniature transformer, • Data acquisition delivering a complete solution for both signal and • Motor control power isolation. • PLCs, distributed control systems Utilizing a stable hysteretic control methodology, the
Features
converter achieves excellent output regulation across • High-speed isolators with integrated  voltages from 3.3 to 5.0 V, with peak output power up isolated power to 0.5 W. • Fully integrated hysteretic control converter with These devices support up to four digital isolation frequency dithering for reduced EMI channels, offering significant advantages in data rate, • DC-DC converter peak efficiency up to 43% propagation delay, size, and reliability compared to • Isolated power output up to 0.5 W legacy isolation technologies. They support data rates • Standard voltage conversion: up to 150 Mbps and feature a maximum propagation - 3.3 V/5 V input to isolated 3.3 V/5 V output delay of 15 ns. • Precise timing performance on digital isolators: Ordering options include configurations with two or - Data rates from 0 to 150 Mbps four signal isolation channels, with various channel - 15 ns max propagation delay arrangements available. All products are certified by • High electromagnetic immunity and low emissions UL, CSA, VDE, and CQC. • RoHS-compliant package options: - WB SOIC-16 and WB SOIC-20 • Up to 3.75 kVRMS isolation rating • High transient immunity of 100 kV/µs (minimum) • WB SOIC-16 package MSL rating 3 • WB SOIC-20 package MSL rating 3 • Wide operating temperature range:  –40 to +125 °C • For RoHS and other product compliance information, see the Skyworks Certificate  of Conformance.
Safety Regulatory Approvals (Pending)
• UL recognized - 1577 (3750 VRMS for one minute) • CSA certification conformity - 62368-1 (reinforced insulation) - 60601-1 (2 MOPP) • VDE certification conformity - 60747-17 (basic insulation) • CQC certification approval - GB4943.1 (reinforced insulation) Skyworks Solutions, Inc. • Phone [949] 231-3000 • sales@skyworksinc.com • www.skyworksinc.com 207353A • Skyworks Proprietary Information • Products and Product Information are Subject to Change without Notice 1 March 23, 2026 Document Outline Applications Features Safety Regulatory Approvals (Pending) Description 1. Functional Block Diagrams 2. Pin Descriptions 2.1. WB SOIC-16 2.2. WB SOIC-20 3. Functional Description 3.1. Digital Isolation 3.2. Power Isolation 3.2.1. DC-to-AC Conversion 3.2.2. AC-to-AC Conversion 3.2.3. AC-to-DC Conversion 4. Digital Isolator Device Operation 4.1. Logic Operation 4.2. Device Startup 4.3. Undervoltage Lockout 4.4. Thermal Protection 4.5. Fault Tolerance and Protection 4.5.1. Overload/Short Circuit Protection 4.5.2. Time-Out Block 4.5.3. Overvoltage Protection 5. Electrical Specifications 5.1. Si86P5x: 5 V Supply Input and 3.3 to 5 V Continuous Supply Output 5.2. Si86P4x: 3.3 V to 5 V Continuous Supply Input and 3.3 V Supply Output 5.3. Si86P3x: 3.3 V Supply Input and 3.3 V Supply Output 5.4. Supply Input Current Characteristics 5.5. Electrical Characteristics—Digital Isolator 5.5.1. Logic Input and Output Characteristics 5.5.2. Supply Current Characteristics 5.6. Timing Characteristics 5.7. Typical Performance Characteristics 5.8. Thermal Characteristics 5.9. Safety Certifications and Specifications (Pending) 6. Application Information 6.1. Recommended Application Circuits 6.2. Power Supply and Layout Considerations 6.3. Hysteretic Control and Programmable Output Voltage 7. Package and Handling Information 7.1. WB SOIC-16 Top Marking 7.2. WB SOIC-20 Top Marking 7.3. WB SOIC-16 Package 7.4. WB SOIC-20 Package 7.5. WB SOIC-16 Land Pattern 7.6. WB SOIC-16 Tape and Reel Information 7.7. WB SOIC-20 Land Pattern 7.8. WB SOIC-20 Tape and Reel Information 8. Ordering Information 9. Revision History