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Skyworks Solutions Inc. SI86S660EB-AUR
- Part No.:
- SI86S660EB-AUR
- Manufacturer:
- Skyworks Solutions Inc.
- Category:
- Digital Isolators
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
SI86S660EB-AUR.pdf
- Description:
- 2.5 KVRMS ISOLATOR, 6 UNIDIRECTI
- Quantity:
- Payment:
- Shipping:
Inventory:4,346
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Product details
Overview
SI86S660EB-AUR from Skyworks Solutions is a 6-channel, reinforced digital isolator with 6000 VRMS isolation rating, 150 Mbps data rate, and AEC-Q100 qualification for automotive systems. It features dual supply operation (2.25–5.5 V), 10 ns typical propagation delay, and Schmitt-trigger + CMOS input thresholds for noise immunity in high-noise motor control and battery management applications.
For engineers reviewing the SI86S660EB-AUR datasheet, SI86S660EB-AUR pinout, SI86S660EB-AUR application, or SI86S660EB-AUR equivalent, this page delivers verified technical context, exact pin functions, fail-safe mode behavior, sleep-mode enable capability, and automotive-grade safety certification details required for isolated signal integrity in traction inverters and onboard chargers.
Technical Context
The SI86S660EB-AUR implements RF-based on/off keying across a semiconductor isolation barrier-eliminating startup initialization and enabling robust noise immunity up to 100 kV/µs. Its architecture supports independent undervoltage lockout (UVLO) and reset monitoring per side (VDD1/VDD2), with RSTB thresholds at ~1.7 V and UVLO hysteresis of 105–160 mV.
It provides six bidirectional isolated channels (A1–A6/B1–B6), tri-state outputs via EN1/EN2, and failsafe default output selection (high/low) determined by ordering option. The device includes internal 50 Ω output impedance and requires 0.1 µF + 10 µF bypass capacitors per supply rail.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Data rate | DC to 150 Mbps - supports high-speed SPI, QSPI, and real-time control loop signaling without timing bottlenecks. |
| Isolation rating | 6000 VRMS (1 min) - meets reinforced insulation requirements per UL 1577, VDE 60747-17, and IEC 62368-1 for EV traction systems. |
| Propagation delay | 10 ns typical - enables sub-microsecond latency in closed-loop motor control and fast ADC/DAC isolation paths. |
| Supply voltage | 2.25–5.5 V per side - allows direct interfacing with 3.3 V and 5 V logic domains without level shifters. |
| Temperature range | –40 to +125 °C - qualified for under-hood automotive environments including battery management and OBC modules. |
| CMTI | ≥100 kV/µs - ensures reliable operation in high dv/dt switching nodes of SiC/GaN power inverters. |
| AEC-Q100 grade | Grade 1 - validated for automotive use with PPAP documentation, IMDS/CAMDS compliance, and automotive-specific manufacturing flow. |
Pinout & Package
SI86S660EB-AUR is housed in a WB SOIC-16 package (wide-body, 10.3 mm creepage/clearance), supporting 6000 VRMS isolation. Pin assignments are defined per Figure 4 and Table 1 of the datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD1 / VDD2 | Side A / Side B supply | Independent 2.25–5.5 V rails; each powers its respective side's transmitter/receiver circuits and enables dual-domain operation. |
| GND1 / GND2 | Side A / Side B ground | Galvanically separated reference planes; mandatory separation to maintain isolation barrier integrity and CMTI performance. |
| A1–A6 / B1–B6 | Digital I/O channels | Six fully isolated bidirectional signal paths; support configurable directionality and fail-safe state retention during supply loss. |
| EN1 / EN2 | Active-high output enable | Tri-states all outputs on corresponding side (A or B); used for bus arbitration, power sequencing, or low-power idle states. |
Key Features
| Feature | Design Value |
|---|---|
| RF-based isolation architecture | Eliminates startup initialization and optical aging concerns; achieves best-in-class CMTI ≥100 kV/µs without external components. |
| Selectable fail-safe output mode | Ordering option determines default output state (high or low) when VDDx is unpowered - critical for safe shutdown in BMS and inverter gate drivers. |
| Integrated UVLO and reset circuitry | Independent VDD1/VDD2 monitors with 1.7 V RSTB threshold ensure deterministic configuration reload and prevent metastability during brownout. |
| Tri-state outputs with enable pins | EN1/EN2 allow single-point control of all six outputs per side - simplifies system-level bus sharing and reduces external logic count. |
| Automotive-grade qualification | AEC-Q100 Grade 1, AIAG-compliant PPAP, IMDS/CAMDS listing - satisfies OEM sourcing requirements for EV powertrain subsystems. |
Applications
| Motor Control Systems | Battery Management Systems (BMS) |
|---|---|
|
Use Scenario: Isolating gate driver signals and current-sense feedback in 3-phase inverter stacks for EV traction motors. IC Role / Device Role / Timing Role: Six-channel isolator providing independent PWM channel isolation and analog feedback path separation across high-voltage DC-link boundaries. Use Value: Enables precise 10 ns timing alignment between phase-leg drivers while maintaining 6000 VRMS working voltage and >100 kV/µs CMTI in SiC-switched inverters. |
Use Scenario: Isolating cell voltage monitoring and pack-level communication between high-side battery stack and low-voltage MCU domain. IC Role / Device Role / Timing Role: Bidirectional signal isolator for daisy-chained ADC interfaces and isolated CAN/FlexRay transceiver control lines. Use Value: Supports AEC-Q100-compliant, -40°C to +125°C operation with fail-safe low-default outputs to prevent erroneous cell disconnect commands during supply fault. |
| Onboard Chargers (OBC) | Traction Inverters |
|
Use Scenario: Signal isolation between AC/DC PFC controller and DC/DC LLC secondary-side regulation in bi-directional OBC topologies. IC Role / Device Role / Timing Role: High-speed digital isolator for isolated gate drive, voltage/current sensing, and microcontroller-to-digital-power-controller communication. Use Value: Delivers 150 Mbps throughput for real-time telemetry and 6000 VRMS isolation to meet IEC 62109 and UL 62368-1 safety standards in 11–22 kW OBC designs. |
Use Scenario: Isolating control signals between vehicle MCU and high-power IGBT/SiC modules in 400 V/800 V traction inverters. IC Role / Device Role / Timing Role: Reinforced isolator for PWM inputs, fault reporting, and isolated temperature sensor interfaces across the HV/LV boundary. Use Value: Guarantees <10 ns propagation delay matching and 100 kV/µs transient immunity to prevent false triggering during high-di/dt switching events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital isolator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADUM4160BRWZ | 4-channel, 50 Mbps, 5000 VRMS, no AEC-Q100 qualification, different pinout (SOIC-16 NB) | Limited to industrial automation; lacks automotive qualification and 6000 VRMS rating for EV traction systems | Use only where AEC-Q100 and 6000 VRMS are not required; verify PCB layout compatibility due to narrow-body package. |
| ISO7760FDWR | 6-channel, 100 Mbps, 5000 VRMS, AEC-Q100 Grade 1, SOIC-16 NB package | Lower isolation rating and data rate; suitable for BMS monitoring but not for high-speed gate drive in 800 V inverters | Acceptable for cost-sensitive automotive subsystems where 150 Mbps and 6000 VRMS are not mandatory; requires derating for >500 V working voltage. |
Compared with ADUM4160BRWZ and ISO7760FDWR, SI86S660EB-AUR uniquely combines 150 Mbps speed, 6000 VRMS reinforced isolation, and AEC-Q100 Grade 1 qualification in a single WB SOIC-16 package-making it the only drop-in solution for next-generation 800 V EV powertrain control where timing precision, safety margin, and automotive compliance are co-constrained.
Availability
SI86S660EB-AUR is available at Aetrix Electronics and suitable for automotive battery management, traction inverter control, and onboard charger designs requiring stable component supply, long-term lifecycle support, and traceable automotive-grade sourcing.
Supply support for SI86S660EB-AUR 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 solutions for wireless infrastructure, automotive, and industrial markets.
The Si86S6xx family was engineered specifically for high-reliability automotive and industrial isolation-delivering RF-based digital isolation with AEC-Q100 qualification, reinforced safety ratings, and ultra-low propagation delay for EV powertrain and energy storage systems.
FAQ
What is the isolation voltage rating and safety certification status of SI86S660EB-AUR?
SI86S660EB-AUR is rated for 6000 VRMS isolation per UL 1577 (1 minute) and carries pending VDE 60747-17, CSA 62368-1/60601-1, and CQC GB4943.1 certifications. Its wide-body SOIC-16 package provides 10.3 mm creepage and clearance, meeting reinforced insulation requirements for automotive traction inverters and onboard chargers.
Does SI86S660EB-AUR support fail-safe output behavior during power loss?
Yes, SI86S660EB-AUR offers selectable fail-safe mode via ordering option: default high or default low output state when one side's supply is unpowered but the other remains active. This behavior is confirmed in Table 4 of the datasheet and is critical for safe shutdown in battery management and motor control systems.
What are the supply voltage requirements and bypass capacitor recommendations for SI86S660EB-AUR?
SI86S660EB-AUR operates from 2.25 V to 5.5 V on both VDD1 and VDD2. Per Section 3.2.1, it requires 0.1 µF and 10 µF ceramic bypass capacitors placed adjacent to each VDD/GND pair-VDD1/GND1 and VDD2/GND2-to ensure stable RF modulation and noise immunity.
How does the EN1 and EN2 pin function on SI86S660EB-AUR?
EN1 and EN2 are active-high enable inputs that place all six outputs on Side A or Side B into high-impedance (tri-state) mode, respectively. When asserted, they disable output drivers without affecting internal isolation functionality-enabling bus sharing, power sequencing, and low-power idle states in multi-master systems.
Is SI86S660EB-AUR qualified for automotive applications, and what does its AEC-Q100 Grade 1 rating mean?
Yes, SI86S660EB-AUR is AEC-Q100 Grade 1 qualified, meaning it is tested and validated for operation from –40°C to +125°C ambient, with full PPAP documentation, IMDS/CAMDS compliance, and automotive-specific manufacturing process controls. This qualifies it for use in engine bay, battery, and inverter modules of BEV/HEV platforms.
SI86S660EB-AUR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Skyworks Solutions Inc.
- Series:
- -
- Package/Case:
- 16-SSOP (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Capacitive Coupling
- Type:
- SPI
- Isolated Power:
- Yes
- Number of Channels:
- 6
- Inputs - Side 1/Side 2:
- 6/0
- Channel Type:
- Unidirectional
- Voltage - Isolation:
- 2500Vrms
- Common Mode Transient Immunity (Min):
- 150kV/µs
- Data Rate:
- 150Mbps
- Propagation Delay tpLH / tpHL (Max):
- 42ns, 42ns
- Pulse Width Distortion (Max):
- 2ns
- Rise / Fall Time (Typ):
- 2.5ns, 2.5ns
- Voltage - Supply:
- 2.25V ~ 5.5V
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Operating Temperature:
- -40°C ~ 125°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-QSOP
SI86S660EB-AUR FAQ
1.How can I place an order for SI86S660EB-AUR through Aetrix?
Please submit a Request for Quotation (RFQ) for SI86S660EB-AUR 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 SI86S660EB-AUR reliable?
The price and inventory of SI86S660EB-AUR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SI86S660EB-AUR is usually 5 days.
3.What payment methods are accepted for SI86S660EB-AUR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SI86S660EB-AUR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SI86S660EB-AUR?
SI86S660EB-AUR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SI86S660EB-AUR 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 SI86S660EB-AUR?
For technical support, including SI86S660EB-AUR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SI86S660EB-AUR requirements.
6.How does Aetrix verify that SI86S660EB-AUR is sourced from the original manufacturer or authorized distributors?
All SI86S660EB-AUR 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 SI86S660EB-AUR meets industry standards.
7.What is the process for return or replacement of SI86S660EB-AUR?
All SI86S660EB-AUR units undergo pre-shipment inspection (PSI). If there is an issue with SI86S660EB-AUR, 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 SI86S660EB-AUR part is unused and in its original packaging.
Return procedure for SI86S660EB-AUR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SI86S660EB-AUR Tags
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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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