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Skyworks Solutions Inc. SI8630BD-AS
- Part No.:
- SI8630BD-AS
- Manufacturer:
- Skyworks Solutions Inc.
- Category:
- Digital Isolators
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
SI8630BD-AS.pdf
- Description:
- AUTOMOTIVE 5 KV 3-CHANNEL DIGITA
- Quantity:
- Payment:
- Shipping:
Inventory:1,886
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Product details
Overview
SI8630BD-AS from Skyworks is a triple-channel, unidirectional digital isolator with 3 input channels on VDD1 side and 0 on VDD2 side, rated for 5 kVRMS reinforced isolation, 150 Mbps data rate, and operation from –40 to +125 °C. It features selectable fail-safe low-default output state and Schmitt-trigger inputs for noise immunity, used in isolated power supplies and motor control systems requiring high reliability under transient stress.
For engineers reviewing the SI8630BD-AS datasheet, SI8630BD-AS pinout, SI8630BD-AS application, or SI8630BD-AS equivalent, this page delivers verified specifications including propagation delay (8 ns typ), CMTI (50 kV/µs min), supply current (2.8 mA @1 Mbps, 5 V), and SOIC-16 wide-body package compatibility - all confirmed for the exact automotive-grade part number SI8630BD-AS.
Technical Context
The SI8630BD-AS implements RF-based on/off keying across a semiconductor isolation barrier, eliminating startup initialization and enabling robust noise immunity without optical degradation. Its architecture supports independent undervoltage lockout (UVLO) on both VDD1 and VDD2 sides, with thresholds at 2.24 V (rising) and 2.16 V (falling).
All three channels are input-only on the VDD1 side, driving outputs on the isolated VDD2 side; no enable pins are present (EN1/EN2 not implemented per Si8630 family). The device uses Schmitt-trigger inputs with 0.44 V typical hysteresis and supports fail-safe default-low behavior during input-side power loss.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Isolation Rating | 5 kVRMS reinforced insulation - enables use in safety-critical industrial and automotive systems meeting IEC 60950-1, 61010-1, and 60601-1 requirements. |
| Max Data Rate | 150 Mbps - supports high-speed serial interfaces such as isolated SPI, RS-485 transceiver control, and real-time motor feedback loops. |
| Propagation Delay | 8 ns typical (5–13 ns max) - ensures tight timing alignment in closed-loop control systems with sub-microsecond response demands. |
| Channel-Channel Skew | 0.4–2.5 ns - maintains phase coherence across all three isolated signals, critical for multi-signal timing integrity in ADC/DAC isolation. |
| CMTI | 50 kV/µs minimum - withstands fast common-mode transients in noisy environments like inverters and on-board chargers without data corruption. |
| Supply Voltage Range | 2.5–5.5 V on both sides - allows interoperability with 3.3 V microcontrollers and 5 V analog subsystems without level-shifting. |
| Fail-Safe Default | Low-output state during VDD1 loss - prevents unintended activation of downstream drivers or gate circuits in fault conditions. |
Pinout & Package
SI8630BD-AS is housed in a RoHS-compliant SOIC-16 wide-body package (7.5 mm creepage/clearance), qualified for reinforced insulation up to 5 kVRMS and rated for 60-year lifetime at working voltage.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD1 | Input-side power supply | Supplies logic and RF transmitter circuitry; requires 0.1 µF bypass capacitor to GND1 for stable operation. |
| GND1 | Input-side ground reference | Return path for VDD1; must be physically separated from GND2 by ≥8 mm to maintain 5 kVRMS isolation barrier. |
| INA, INB, INC | Digital input channels | 3 unidirectional CMOS inputs with Schmitt-trigger thresholds (VT+ = 1.67 V typ, VT– = 1.23 V typ); accept 2.5–5.5 V logic levels. |
| VDD2 | Output-side power supply | Supplies RF receiver and output drivers; independent of VDD1 - enables galvanic separation of power domains. |
| GND2 | Output-side ground reference | Return path for VDD2; forms isolated domain with VDD2; must not share plane or trace with GND1. |
| OUTA, OUTB, OUTC | Digital output channels | 3 CMOS outputs with 50 Ω nominal impedance; drive 15 pF loads with 2.5 ns rise/fall times; default low when VDD1 is unpowered. |
| NC (Pins 1, 2, 15, 16) | No-connect terminals | Not internally bonded; may be left floating, tied to GND2, or used for thermal relief - no electrical function. |
Key Features
| Feature | Design Value |
|---|---|
| RF-based isolation barrier | Eliminates LED aging and temperature drift issues of optocouplers; enables stable performance over –40 to +125 °C and 60-year lifetime. |
| Selectably fail-safe output | Factory-configured low-default state ensures safe deactivation of downstream power stages during input-side brownout or failure. |
| Sub-10 ns propagation delay | Enables real-time signal transfer in high-frequency motor control and isolated ADC sampling applications without timing bottlenecks. |
| 50 kV/µs CMTI | Prevents data corruption in high-dV/dt environments such as traction inverters and battery management system isolation barriers. |
| 2.5–5.5 V dual-supply operation | Supports mixed-voltage system design - e.g., 3.3 V MCU on VDD1 side and 5 V gate driver on VDD2 side - without external level shifters. |
Applications
| Industrial Motor Control | Isolated Switch-Mode Power Supply |
|---|---|
Use Scenario: Isolating PWM signals from MCU to IGBT/SiC gate drivers in servo drives and variable-frequency drives. IC Role / Device Role / Timing Role: Unidirectional signal isolator transmitting three independent control lines across primary-secondary boundary with <10 ns delay. Use Value: Maintains precise edge timing across isolation barrier while blocking 5 kVRMS transients from power stage switching noise. |
Use Scenario: Providing feedback isolation for secondary-side voltage/current sensing in offline AC-DC converters. IC Role / Device Role / Timing Role: Transmitting isolated analog-to-digital converter outputs or error amplifier signals across safety barrier. Use Value: Enables reinforced insulation compliance (IEC 60950-1) and eliminates optocoupler gain drift affecting regulation accuracy. |
| Battery Management System | Traction Inverter Control |
Use Scenario: Isolating cell monitoring IC communication lines in high-voltage EV battery packs (up to 1000 V bus). IC Role / Device Role / Timing Role: Reliable transmission of status and fault signals from isolated slave controllers to master MCU. Use Value: AEC-Q100 qualified operation at 125 °C ambient and 50 kV/µs CMTI prevent false trips during high-current switching events. |
Use Scenario: Isolating gate drive signals and fault reporting paths between controller and high-power SiC modules in EV inverters. IC Role / Device Role / Timing Role: High-speed, low-skew triple-channel isolator synchronizing three-phase gate drivers with sub-ns channel matching. Use Value: 0.4 ns typical channel-channel skew ensures balanced phase timing, reducing torque ripple and EMI in motor drive waveforms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital isolator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SI8630BD-B-IS | Industrial-grade version; identical electrical specs and SOIC-16 WB package but lacks AEC-Q100 qualification and PPAP support. | Suitable for non-automotive industrial designs where extended temperature operation is required but automotive certification is not mandated. | Choose SI8630BD-B-IS for cost-sensitive industrial applications without automotive compliance requirements. |
| ADUM130D0BRZ | Analog Devices' 3-channel isolator with 150 Mbps rating, 3.0 kVRMS isolation, and 10 ns propagation delay; operates at 1.7–5.5 V. | Limited to basic industrial use due to lower isolation rating; not AEC-Q100 qualified or reinforced insulation certified. | Select ADUM130D0BRZ only if 3.0 kVRMS isolation suffices and automotive qualification is unnecessary. |
Compared with SI8630BD-B-IS, the SI8630BD-AS adds AEC-Q100 qualification, PPAP documentation, and IMDS/CAMDS compliance - essential for automotive BMS and inverter programs. Versus ADUM130D0BRZ, SI8630BD-AS provides higher 5 kVRMS reinforced isolation, superior CMTI (50 vs. 35 kV/µs), and guaranteed fail-safe low behavior.
Availability
SI8630BD-AS is available at Aetrix Electronics and suitable for industrial motor control, battery management systems, and traction inverter designs requiring stable component supply, long-term lifecycle assurance, and automotive-grade traceability.
Supply support for SI8630BD-AS 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 analog and mixed-signal connectivity solutions, with leadership in RF, timing, and isolation technologies.
The SI8630BD-AS belongs to Skyworks' Si863x ultra-low-power digital isolator family, designed specifically for high-reliability automotive and industrial isolation where legacy optocouplers fall short in speed, power, lifetime, and noise immunity.
FAQ
What is the isolation rating and certification status of the SI8630BD-AS?
The SI8630BD-AS is rated for 5 kVRMS reinforced isolation and certified to UL 1577, CSA Component Acceptance Notice 5A, VDE 0884-10 (reinforced), IEC 60950-1, IEC 61010-1, and GB4943.1. It meets AEC-Q100 Grade 1 qualification for automotive use and supports AIAG-compliant PPAP documentation.
Does the SI8630BD-AS support bidirectional communication?
No, the SI8630BD-AS is a unidirectional isolator with three input channels on the VDD1 side and zero inputs on the VDD2 side. All signal flow is from INA/INB/INC to OUTA/OUTB/OUTC; it does not support reverse-direction data transfer.
What is the default output behavior of the SI8630BD-AS during input-side power loss?
The SI8630BD-AS is configured as a default-low device: when VDD1 is unpowered or below UVLO threshold (2.16 V), the outputs OUTA/OUTB/OUTC transition to logic low within 12 ns, ensuring safe shutdown of downstream circuitry.
Can the SI8630BD-AS operate with different supply voltages on VDD1 and VDD2?
Yes, the SI8630BD-AS supports independent 2.5–5.5 V supplies on VDD1 and VDD2. This allows interfacing a 3.3 V microcontroller on the input side with a 5 V gate driver or analog front-end on the output side without external level translation.
Is the SI8630BD-AS pin-compatible with other Si863x variants?
Yes, all Si863x devices in the SOIC-16 wide-body package - including SI8630BD-AS, SI8630ED-AS, and SI8630BT-AS - share identical pinouts and footprint. Differences lie only in isolation rating, default output state, and surge capability - not physical layout.
SI8630BD-AS Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Skyworks Solutions Inc.
- Series:
- -
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Technology:
- Capacitive Coupling
- Type:
- General Purpose
- Isolated Power:
- No
- Number of Channels:
- 3
- Inputs - Side 1/Side 2:
- 3/0
- Channel Type:
- Unidirectional
- Voltage - Isolation:
- 5000Vrms
- Common Mode Transient Immunity (Min):
- 60kV/µs
- Data Rate:
- 150Mbps
- Propagation Delay tpLH / tpHL (Max):
- 13ns, 13ns
- Pulse Width Distortion (Max):
- 4.5ns
- Rise / Fall Time (Typ):
- 2.5ns, 2.5ns
- Voltage - Supply:
- 2.5V ~ 5.5V
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Operating Temperature:
- -40°C ~ 125°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
SI8630BD-AS FAQ
1.How can I place an order for SI8630BD-AS through Aetrix?
Please submit a Request for Quotation (RFQ) for SI8630BD-AS 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 SI8630BD-AS reliable?
The price and inventory of SI8630BD-AS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SI8630BD-AS is usually 5 days.
3.What payment methods are accepted for SI8630BD-AS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SI8630BD-AS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SI8630BD-AS?
SI8630BD-AS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SI8630BD-AS 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 SI8630BD-AS?
For technical support, including SI8630BD-AS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SI8630BD-AS requirements.
6.How does Aetrix verify that SI8630BD-AS is sourced from the original manufacturer or authorized distributors?
All SI8630BD-AS 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 SI8630BD-AS meets industry standards.
7.What is the process for return or replacement of SI8630BD-AS?
All SI8630BD-AS units undergo pre-shipment inspection (PSI). If there is an issue with SI8630BD-AS, 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 SI8630BD-AS part is unused and in its original packaging.
Return procedure for SI8630BD-AS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SI8630BD-AS Tags
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ISO1212DBQR
Texas Instruments
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ISO6721BDR
Texas Instruments
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SI8710AC-B-ISR
Skyworks Solutions Inc.
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ISO7720FDR
Texas Instruments
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ISO7721DR
Texas Instruments
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ISO7721FDR
Texas Instruments
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SI8710CC-B-ISR
Skyworks Solutions Inc.
-
ISO6741FQDWRQ1
Texas Instruments
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ISO7721DWVR
Texas Instruments
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ISO7762FDBQR
Texas Instruments
-
ISO7741DWR
Texas Instruments
-
ISO7741FDWR
Texas Instruments
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