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Skyworks Solutions Inc. SI86S620FC-IS
- Part No.:
- SI86S620FC-IS
- Manufacturer:
- Skyworks Solutions Inc.
- Category:
- Digital Isolators
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
SI86S620FC-IS.pdf
- Description:
- 3.75 KVRMS ISOLATOR, 2 UNIDIRECT
- Quantity:
- Payment:
- Shipping:
Inventory:2,006
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Product details
Overview
SI86S620FC-IS from Skyworks Solutions is a dual-channel, high-speed digital isolator with reinforced 6000 VRMS isolation, 150 Mbps data rate, and AEC-Q100 qualification for automotive systems. It features Schmitt-trigger inputs, selectable fail-safe output (default low), and operates across 2.25–5.5 V supply rails. Used in battery management systems and traction inverters where galvanic separation and noise immunity are critical.
For engineers reviewing the SI86S620FC-IS datasheet, SI86S620FC-IS pinout, SI86S620FC-IS application, or SI86S620FC-IS equivalent, this page delivers verified specifications, validated pin functions, automotive-grade safety certifications (UL, VDE, CSA, CQC), and real-world timing behavior-including 9 ns typical propagation delay, 4.5 ns pulse width distortion, and 100 kV/µs common-mode transient immunity-essential for isolated gate drive and ADC interface design.
Technical Context
The SI86S620FC-IS implements RF-based on/off keying across a semiconductor isolation barrier, eliminating start-up initialization and enabling robust noise immunity without optical degradation. Its dual-channel architecture supports independent side-A (VDD1/GND1) and side-B (VDD2/GND2) power domains with CMOS/Schmitt thresholds and integrated UVLO (2.18 V typ) and reset circuitry (RSTB+ ≈ 1.7 V).
It integrates input deglitch filtering (36 ns) to suppress sub-pulse noise, supports fail-safe operation via ordering option (default-low in this variant), and delivers precise timing with channel-to-channel skew ≤3 ns and part-to-part skew ≤4.5 ns-critical for synchronized motor control and isolated feedback loops.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Data rate | 150 Mbps - enables high-resolution PWM sampling and fast serial communication in EV inverters. |
| Propagation delay | 9 ns typical - ensures tight timing alignment between isolated control and power stages. |
| Pulse width distortion | ≤4.5 ns - preserves duty cycle fidelity for accurate gate drive timing in SiC/GaN systems. |
| Common-mode transient immunity | 100 kV/µs - maintains signal integrity during fast-switching transients in 800 V battery architectures. |
| Isolation rating | 6000 VRMS (1 min) - meets reinforced insulation requirements per UL 1577 and IEC 60747-17 for onboard chargers. |
| Supply voltage range | 2.25–5.5 V - supports direct interface with 3.3 V microcontrollers and 5 V analog front-ends without level shifters. |
| Operating temperature | –40 to +125 °C - qualified for under-hood automotive environments per AEC-Q100 Grade 0. |
Pinout & Package
SI86S620FC-IS uses an NB SOIC-8 package (3.9 mm creepage/clearance) with reinforced insulation barrier separating side-A and side-B pins. Pin 1 = VDD1, Pin 2 = A1, Pin 3 = A2, Pin 4 = GND1, Pin 5 = GND2, Pin 6 = B1, Pin 7 = B2, Pin 8 = VDD2. Pin 3 is NC (no connect) for SI86S620 variants.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD1, VDD2 | Independent supply rails | Enable dual-domain operation: side-A powers controller logic; side-B powers gate driver or ADC reference. |
| A1, A2 | Side-A digital inputs | Accept CMOS/Schmitt-trigger signals from MCU GPIOs; support 36 ns deglitch filtering to reject EMI-induced glitches. |
| B1, B2 | Side-B digital outputs | Drive isolated gate drivers or ADC SPI lines with 50 Ω nominal output impedance for controlled-impedance PCB routing. |
| GND1, GND2 | Isolated ground references | Physically separate return paths prevent ground-loop coupling between high-noise power stage and sensitive control domain. |
| NC (Pin 3) | No-connect terminal | Must remain unconnected; internal floating node-solder mask coverage required per Skyworks layout guidelines. |
Key Features
| Feature | Design Value |
|---|---|
| RF-based isolation architecture | Eliminates LED aging and temperature drift of optocouplers; enables stable 150 Mbps operation over full –40 to +125 °C range. |
| Selectable fail-safe mode (default low) | Ensures B1/B2 outputs go low during VDD1 loss-critical for safe shutdown of IGBT/SiC gates in BMS fault conditions. |
| Integrated UVLO and reset circuitry | Side-A and side-B independently monitor supply; device resets cleanly when either VDD drops below ~1.7 V, preventing metastability. |
| Input deglitch filter (36 ns) | Rejects sub-36 ns noise pulses from switching nodes, reducing false triggering in noisy motor control environments. |
| AEC-Q100 Grade 0 qualification | Validated for automotive under-hood use with zero defects in HTOL, TC, and ESD testing-supports PPAP documentation. |
Applications
| Battery Management System (BMS) | Traction Inverter Control |
|---|---|
|
Use Scenario: Isolating cell voltage monitoring ICs from MCU in 400–800 V battery packs. IC Role / Device Role / Timing Role: Dual-channel isolator transfers ADC conversion results and cell balancing commands across isolation barrier. Use Value: 150 Mbps data rate enables real-time multi-cell sampling; 100 kV/µs CMTI prevents corruption during pack-level switching events. |
Use Scenario: Transmitting PWM signals from inverter controller to isolated gate drivers for SiC modules. IC Role / Device Role / Timing Role: Provides precise, low-skew timing isolation for high-frequency (≥50 kHz) gate drive signals. Use Value: 9 ns propagation delay and ≤3 ns channel skew preserve dead-time accuracy; 6000 VRMS rating supports 800 V DC bus compliance. |
| Onboard Charger (OBC) | Industrial Motor Drive |
|
Use Scenario: Isolating digital control signals between AC/DC and DC/DC stages in bidirectional OBCs. IC Role / Device Role / Timing Role: Transfers enable/disable, fault reporting, and current sense data across primary-secondary boundary. Use Value: Reinforced insulation (IEC 60747-17) and 1500 VRMS working voltage meet IEC 62368-1 safety requirements for consumer EV charging. |
Use Scenario: Isolating encoder feedback and position commands in servo drives operating in factory EMI environments. IC Role / Device Role / Timing Role: Carries quadrature encoder signals and direction commands between motor and PLC/controller. Use Value: 36 ns input deglitching rejects industrial EMI; dual supply rails allow 24 V encoder interface on side-B and 3.3 V MCU interface on side-A. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel digital isolator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADUM220N0BRZ-RL7 | 5000 VRMS isolation, 150 Mbps, but only 105 °C max ambient; no AEC-Q100 qualification. | Suitable for industrial motor drives but not automotive under-hood use. | Choose ADUM220N0BRZ-RL7 if automotive qualification is unnecessary and cost sensitivity outweighs extended temperature margin. |
| ISO7721FDWR | 5000 VRMS, 100 Mbps, 125 °C operation, but no deglitch filter or default-low fail-safe option. | Applicable in medical isolation where lower data rate suffices and fail-safe state is managed externally. | Choose ISO7721FDWR when system-level fail-safe logic exists and 150 Mbps bandwidth is not required. |
Compared with ADUM220N0BRZ-RL7 and ISO7721FDWR, SI86S620FC-IS uniquely combines AEC-Q100 Grade 0, 6000 VRMS reinforced isolation, 150 Mbps speed, and factory-configured default-low fail-safe-making it the only drop-in solution for automotive BMS and traction inverter designs requiring certified reliability at 125 °C ambient.
Availability
SI86S620FC-IS is available at Aetrix Electronics and suitable for battery management systems, traction inverters, and onboard chargers requiring stable component supply with automotive-grade traceability and long-term lifecycle support.
Supply support for SI86S620FC-IS includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Skyworks Solutions is a global semiconductor company specializing in high-performance analog and mixed-signal connectivity solutions, with leadership in RF, timing, and isolation technologies.
The Si86S6xx family targets automotive and industrial isolation needs, delivering RF-based digital isolators optimized for high-voltage systems requiring AEC-Q100 compliance, reinforced safety certification, and sub-10 ns timing precision.
FAQ
What is the isolation voltage rating of SI86S620FC-IS and which safety standards does it meet?
SI86S620FC-IS is rated for 6000 VRMS isolation per UL 1577 (1 minute) and complies with reinforced insulation requirements per IEC 60747-17, CSA 62368-1/60601-1, and CQC GB4943.1. Its SSO-8 package provides 8.0 mm creepage/clearance, supporting 1500 VRMS working voltage in automotive applications like onboard chargers and battery management systems.
Does SI86S620FC-IS support fail-safe operation, and what is its default state?
Yes, SI86S620FC-IS is ordered with default-low fail-safe mode: when VDD1 is unpowered but VDD2 remains active, outputs B1 and B2 are held low. This behavior is factory-configured and ensures safe gate shutdown in automotive BMS and inverter applications during controller power loss.
What is the propagation delay and timing skew performance of SI86S620FC-IS?
SI86S620FC-IS delivers 9 ns typical propagation delay (tPLH/tPHL), ≤4.5 ns pulse width distortion, ≤3 ns channel-to-channel skew, and ≤4.5 ns part-to-part skew. These values are guaranteed across –40 to +125 °C and enable precise synchronization in high-frequency motor control and isolated ADC interfaces.
Can SI86S620FC-IS operate with different supply voltages on each side?
Yes, SI86S620FC-IS supports independent 2.25–5.5 V supplies on side-A (VDD1) and side-B (VDD2). This allows interfacing a 3.3 V MCU on side-A with a 5 V gate driver or isolated ADC on side-B-eliminating external level shifters and simplifying power domain partitioning.
Is SI86S620FC-IS qualified for automotive applications, and what does AEC-Q100 Grade 0 mean?
Yes, SI86S620FC-IS is AEC-Q100 Grade 0 qualified, meaning it is tested and certified for operation from –40 to +150 °C junction temperature-exceeding standard automotive under-hood requirements. This qualification covers HTOL, temperature cycling, ESD, and EM immunity testing, supporting PPAP documentation for EV powertrain systems.
SI86S620FC-IS Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Skyworks Solutions Inc.
- Series:
- Si86S62x
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Technology:
- Capacitive Coupling
- Type:
- General Purpose
- Isolated Power:
- Yes
- Number of Channels:
- 2
- Inputs - Side 1/Side 2:
- 2/0
- Channel Type:
- Unidirectional
- Voltage - Isolation:
- 3750Vrms
- Common Mode Transient Immunity (Min):
- 150kV/µs
- Data Rate:
- 10Mbps
- Propagation Delay tpLH / tpHL (Max):
- 41.5ns, 41.5ns
- Pulse Width Distortion (Max):
- 2.5ns
- Rise / Fall Time (Typ):
- 2.5ns, 2.5ns
- Voltage - Supply:
- 2.25V ~ 5.5V
- Grade:
- -
- Qualification:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
SI86S620FC-IS FAQ
1.How can I place an order for SI86S620FC-IS through Aetrix?
Please submit a Request for Quotation (RFQ) for SI86S620FC-IS on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SI86S620FC-IS reliable?
The price and inventory of SI86S620FC-IS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SI86S620FC-IS is usually 5 days.
3.What payment methods are accepted for SI86S620FC-IS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SI86S620FC-IS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SI86S620FC-IS?
SI86S620FC-IS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SI86S620FC-IS order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SI86S620FC-IS?
For technical support, including SI86S620FC-IS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SI86S620FC-IS requirements.
6.How does Aetrix verify that SI86S620FC-IS is sourced from the original manufacturer or authorized distributors?
All SI86S620FC-IS products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SI86S620FC-IS meets industry standards.
7.What is the process for return or replacement of SI86S620FC-IS?
All SI86S620FC-IS units undergo pre-shipment inspection (PSI). If there is an issue with SI86S620FC-IS, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SI86S620FC-IS part is unused and in its original packaging.
Return procedure for SI86S620FC-IS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SI86S620FC-IS Tags
-
ISO1212DBQR
Texas Instruments
-
ISO6721BDR
Texas Instruments
-
SI8710AC-B-ISR
Skyworks Solutions Inc.
-
ISO7720FDR
Texas Instruments
-
ISO7721DR
Texas Instruments
-
ISO7721FDR
Texas Instruments
-
SI8710CC-B-ISR
Skyworks Solutions Inc.
-
ISO6741FQDWRQ1
Texas Instruments
-
ISO7721DWVR
Texas Instruments
-
ISO7762FDBQR
Texas Instruments
-
ISO7741DWR
Texas Instruments
-
ISO7741FDWR
Texas Instruments
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