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Skyworks Solutions Inc. SI86S620BE-IS4
- Part No.:
- SI86S620BE-IS4
- Manufacturer:
- Skyworks Solutions Inc.
- Category:
- Digital Isolators
- Package:
- 8-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
SI86S620BE-IS4.pdf
- Description:
- 6.0 KVRMS ISOLATOR, 2 UNIDIRECTI
- Quantity:
- Payment:
- Shipping:
Inventory:2,451
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Product details
Overview
SI86S620BE-IS4 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 supplies. Used in battery management systems and traction inverters where galvanic separation of control and power domains is critical.
For engineers reviewing the SI86S620BE-IS4 datasheet, SI86S620BE-IS4 pinout, SI86S620BE-IS4 application, or SI86S620BE-IS4 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 and 100 kV/µs CMTI - all confirmed for the exact SI86S620BE-IS4 variant.
Technical Context
The SI86S620BE-IS4 implements RF-based on/off keying across a semiconductor isolation barrier, eliminating startup 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-trigger input thresholds.
It integrates undervoltage lockout (UVLO+ = 2.18 V, UVLO− = 2.05 V) and reset circuitry (RSTB+ ≈ 1.7 V) per side, ensuring deterministic fail-safe behavior during supply transients. The device supports 2.5 V, 3.3 V, and 5 V operation with 100 kΩ pulldown during start-up and configurable default-low output state.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Data rate | 150 Mbps - supports high-speed serial interfaces like SPI, RS-485, and CAN FD without external clocking |
| Propagation delay | 9 ns typical - enables tight timing budgets in motor gate drivers and ADC sampling control loops |
| Isolation rating | 6000 VRMS - meets reinforced insulation requirements for 1500 VRMS working voltage per IEC 60747-17 |
| CMTI | 100 kV/µs minimum - ensures reliable operation in high-dV/dt environments like SiC/GaN inverter switching nodes |
| Supply range | 2.25–5.5 V - allows interoperability 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 use per AEC-Q100 Grade 1 |
| Fail-safe mode | Default low output - maintains safe logic state during VDD1 loss in BMS fault monitoring circuits |
Pinout & Package
SI86S620BE-IS4 uses an NB SOIC-8 package (3.9 mm creepage/clearance) with 8-pin layout optimized for reinforced isolation. Pin 1 is VDD1; Pin 4 is GND1; Pin 5 is GND2; Pin 8 is VDD2. Side-A signals (A1, A2) occupy pins 2–3; Side-B signals (B1, B2) occupy pins 6–7. Pin 3 is NC - must remain unconnected.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD1 | Side-A power supply | Supplies isolated input-side logic; bypass with 0.1 µF + 10 µF capacitors per datasheet Section 3.2.1 |
| GND1 | Side-A ground reference | Return path for A1/A2 inputs; must be separated from GND2 by ≥3.9 mm PCB clearance |
| A1, A2 | Digital inputs (Side A) | Accept 2.25–5.5 V logic; Schmitt-trigger thresholds provide 0.15×VDD hysteresis against EMI |
| NC | No-connect terminal | Pin 3 is internally unconnected - must not be soldered or routed to avoid parasitic coupling |
| GND2 | Side-B ground reference | Return path for B1/B2 outputs; forms isolation barrier with GND1; requires separate ground plane |
| B1, B2 | Digital outputs (Side B) | Drive 50 Ω nominal loads; 4 mA sink/source capability; default-low state asserted when VDD1 is unpowered |
| VDD2 | Side-B power supply | Supplies isolated output-side logic; independent of VDD1 - enables asymmetric supply configurations |
Key Features
| Feature | Design Value |
|---|---|
| RF-based isolation architecture | Eliminates LED aging and temperature drift; achieves <350 ps peak eye jitter at 150 Mbps |
| Selectable fail-safe output | Default-low configuration ('BE' suffix) ensures B1/B2 drive low during VDD1 brownout in safety-critical BMS monitoring |
| High CMTI (100 kV/µs) | Prevents data corruption in 1000 V bus inverters with >50 V/ns common-mode transients |
| Wide supply range (2.25–5.5 V) | Supports direct interface to 3.3 V MCUs and 5 V industrial PLC I/O without external regulators |
| AEC-Q100 Grade 1 qualification | Validated for automotive applications including onboard chargers and traction inverters up to +125 °C ambient |
Applications
| Battery Management System (BMS) | Traction Inverter Control |
|---|---|
|
Use Scenario: Isolating cell voltage monitor ICs from MCU in high-voltage EV battery packs (up to 1000 V). IC Role / Device Role / Timing Role: Dual-channel isolator transmitting ADC conversion results and fault flags across 6000 VRMS barrier. Use Value: Enables precise cell balancing control while meeting IEC 61508 SIL-2 requirements via reinforced insulation and 100 kV/µs CMTI. |
Use Scenario: Transmitting PWM gate drive signals from controller to SiC half-bridge in electric vehicle drivetrain. IC Role / Device Role / Timing Role: High-speed isolator delivering synchronized, low-skew (<3 ns channel-to-channel) gate commands. Use Value: Maintains <9 ns propagation delay and <4.5 ns pulse width distortion to prevent shoot-through in 100 kHz+ switching inverters. |
| Onboard Charger (OBC) | Industrial Motor Drive |
|
Use Scenario: Isolating AC/DC and DC/DC control loops in bidirectional OBCs for Level 2 charging. IC Role / Device Role / Timing Role: Dual-channel isolator conveying feedback signals (voltage/current) and control commands across primary-secondary barrier. Use Value: Supports 150 Mbps data rate for fast-loop communication and UL 62368-1 compliance with 600 VRMS working voltage rating. |
Use Scenario: Isolating encoder position data and enable signals between PLC and servo amplifier in factory automation. IC Role / Device Role / Timing Role: Robust isolator handling 24 V industrial logic levels and surviving 2 kV ESD events per IEC 61000-4-2. Use Value: Delivers 8 kV HBM ESD protection and –40 to +125 °C operation for reliability in harsh manufacturing environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital isolator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADUM120N0BRZ-RL7 | Single-channel, 150 Mbps, 3000 VRMS isolation, 2.7–5.5 V supply | Lacks dual-channel integration and 6000 VRMS rating; unsuitable for reinforced insulation systems | Choose only for cost-sensitive, single-signal isolation where 3000 VRMS suffices and board space permits two devices |
| ISO7721DWR | Dual-channel, 100 Mbps, 5000 VRMS, 2.25–5.5 V, default-high fail-safe | Lower data rate and isolation voltage; no AEC-Q100 qualification; default-high output conflicts with BMS fault logic | Consider only for non-automotive industrial use where 100 Mbps bandwidth and 5000 VRMS meet system requirements |
Compared with ADUM120N0BRZ-RL7 and ISO7721DWR, SI86S620BE-IS4 uniquely combines dual-channel 150 Mbps operation, 6000 VRMS reinforced isolation, AEC-Q100 Grade 1 qualification, and default-low fail-safe - making it the only option qualified for automotive BMS and traction inverter signal isolation without derating or redesign.
Availability
SI86S620BE-IS4 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 SI86S620BE-IS4 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 leader in high-performance analog semiconductors, specializing in RF, timing, and isolation technologies for wireless, automotive, and industrial markets.
The Si86S6xx family was designed specifically for automotive and industrial isolation applications demanding high-speed, high-reliability galvanic separation with reinforced safety certification - targeting BMS, OBC, and inverter control systems.
FAQ
What is the isolation voltage rating of the SI86S620BE-IS4?
The SI86S620BE-IS4 is rated for 6000 VRMS isolation per UL 1577, with reinforced insulation certified to IEC 60747-17 (2121 Vpeak) and CSA 62368-1 (600 VRMS working voltage). This rating applies to the NB SOIC-8 package and is validated for 1-minute withstand testing - critical for automotive high-voltage systems like battery packs and inverters where SI86S620BE-IS4 is deployed.
Does the SI86S620BE-IS4 require external startup initialization?
No, the SI86S620BE-IS4 requires no startup initialization due to its RF-based modulation architecture. Upon power application, outputs enter a 100 kΩ pulldown state for ≤300 µs, then transition to the configured default-low state once VDD1 and VDD2 exceed UVLO thresholds (2.18 V). This eliminates firmware delays and ensures deterministic behavior in safety-critical SI86S620BE-IS4 deployments.
What is the meaning of the 'BE' suffix in SI86S620BE-IS4?
The 'BE' suffix in SI86S620BE-IS4 denotes the default-low fail-safe configuration: when VDD1 is unpowered or below UVLO, the B1 and B2 outputs drive low while VDD2 remains active. This is essential for fault-monitoring circuits in battery management systems where SI86S620BE-IS4 must assert a safe state during input-side power loss.
Can SI86S620BE-IS4 operate with 2.5 V supplies on both sides?
Yes, SI86S620BE-IS4 supports 2.25–5.5 V on both VDD1 and VDD2 independently. At 2.5 V, it delivers 150 Mbps data rate with 9.5 ns typical propagation delay and 1.06 mA IDD1/IDD2 quiescent current (per Table 8). This enables direct interfacing with low-voltage microcontrollers and sensors without level-shifting, maintaining full timing performance in SI86S620BE-IS4 designs.
How does SI86S620BE-IS4 handle common-mode transients in inverter applications?
SI86S620BE-IS4 provides 100 kV/µs minimum common-mode transient immunity (CMTI), tested per Figure 8 with ±1500 V transients. This prevents data corruption during rapid dV/dt events in SiC/GaN inverter switching - a key requirement validated in SI86S620BE-IS4 automotive qualification and confirmed in its use for gate driver isolation in traction inverters.
SI86S620BE-IS4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Skyworks Solutions Inc.
- Series:
- Si86S62x
- Package/Case:
- 8-SOIC (0.295", 7.50mm 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:
- 6000Vrms
- Common Mode Transient Immunity (Min):
- 100kV/µs
- Data Rate:
- 150Mbps
- Propagation Delay tpLH / tpHL (Max):
- 13.5ns, 13.5ns
- 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-SSO
SI86S620BE-IS4 FAQ
1.How can I place an order for SI86S620BE-IS4 through Aetrix?
Please submit a Request for Quotation (RFQ) for SI86S620BE-IS4 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 SI86S620BE-IS4 reliable?
The price and inventory of SI86S620BE-IS4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SI86S620BE-IS4 is usually 5 days.
3.What payment methods are accepted for SI86S620BE-IS4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SI86S620BE-IS4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SI86S620BE-IS4?
SI86S620BE-IS4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SI86S620BE-IS4 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 SI86S620BE-IS4?
For technical support, including SI86S620BE-IS4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SI86S620BE-IS4 requirements.
6.How does Aetrix verify that SI86S620BE-IS4 is sourced from the original manufacturer or authorized distributors?
All SI86S620BE-IS4 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 SI86S620BE-IS4 meets industry standards.
7.What is the process for return or replacement of SI86S620BE-IS4?
All SI86S620BE-IS4 units undergo pre-shipment inspection (PSI). If there is an issue with SI86S620BE-IS4, 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 SI86S620BE-IS4 part is unused and in its original packaging.
Return procedure for SI86S620BE-IS4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SI86S620BE-IS4 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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