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Skyworks Solutions Inc. SI8630BT-AS2
- Part No.:
- SI8630BT-AS2
- Manufacturer:
- Skyworks Solutions Inc.
- Category:
- Digital Isolators
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
SI8630BT-AS2.pdf
- Description:
- LINEAR IC
- Quantity:
- Payment:
- Shipping:
Inventory:1,558
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Product details
Overview
SI8630BT-AS2 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 –40 to +125 °C operation. It features Schmitt-trigger inputs, selectable fail-safe low-default output, and ultra-low power consumption (1.6 mA/channel @ 1 Mbps, 5 V).
For engineers reviewing the SI8630BT-AS2 datasheet, SI8630BT-AS2 pinout, SI8630BT-AS2 application, or SI8630BT-AS2 equivalent, this device serves as a high-reliability isolation solution for automotive battery management systems, on-board chargers, and industrial motor drives where reinforced insulation, AEC-Q100 qualification, and precise timing (<10 ns propagation delay, <2.5 ns channel skew) are critical.
Technical Context
The SI8630BT-AS2 implements RF-based on/off keying across a semiconductor isolation barrier-eliminating startup initialization and delivering superior CMTI (≥60 kV/µs) versus optocouplers. Its architecture supports independent undervoltage lockout (UVLO) on both sides (VDD1/VDD2), with thresholds at 2.24 V (rising) and 2.16 V (falling), ensuring robust fault detection during brownout conditions.
All three channels are input-only on the primary side (VDD1), with outputs on the isolated side (VDD2); no enable pins are present (EN1/EN2 not implemented per Si8630 family definition). The device uses internal 10 µA pull-downs on all I/Os to enforce low-default fail-safe behavior during input-side power loss.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channels & Direction | 3 unidirectional input channels (VDD1 → VDD2), no reverse channels - enables clean signal forwarding from controller to isolated gate drivers or ADC interfaces. |
| Isolation Rating | 5 kVRMS reinforced insulation (VDE 0884-10 certified) - meets IEC 61010-1 and IEC 60601-1 requirements for medical and industrial safety-critical systems. |
| Max Data Rate | 150 Mbps - supports high-speed serial interfaces such as isolated SPI clock lines or real-time control feedback in traction inverters. |
| Propagation Delay | 8 ns typical (≤13 ns max) - ensures sub-10 ns timing accuracy for closed-loop motor control and fast-response protection circuits. |
| Channel-Channel Skew | 0.4–2.5 ns - guarantees synchronized sampling across multiple isolated sensor inputs in battery cell monitoring units. |
| Supply Voltage Range | 2.5–5.5 V on both sides - allows interoperability with 3.3 V microcontrollers and 5 V analog front-ends without level-shifting. |
| CMTI | ≥60 kV/µs (Si8630BT variant) - suppresses noise coupling in high-dV/dt environments like SiC/GaN inverter switching nodes. |
Pinout & Package
SI8630BT-AS2 is housed in a RoHS-compliant wide-body SOIC-16 package (7.5 mm creepage/clearance), qualified for 5 kVRMS reinforced insulation and AEC-Q100 Grade 1 automotive use.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD1 | Primary-side supply | Power for input-side logic and RF transmitter; must be bypassed with 0.1 µF capacitor near pin. |
| GND1 | Primary-side ground | Reference return for VDD1 and all input signals (A1–A3); requires low-inductance connection to minimize noise coupling. |
| A1–A3 | Input channels | CMOS/Schmitt-trigger inputs accepting 2.0–5.5 V logic; internally pulled down (10 µA) for fail-safe low default. |
| VDD2 | Secondary-side supply | Power for RF receiver and output drivers; independent of VDD1 - enables galvanic separation of power domains. |
| GND2 | Secondary-side ground | Reference return for VDD2 and outputs (B1–B3); physically isolated from GND1 by ≥8.0 mm creepage in WB SOIC-16. |
| B1–B3 | Output channels | CMOS outputs driving 50 Ω nominal impedance; low-default state asserted within 12 ns after VDD1 loss while VDD2 remains active. |
| NC | No-connect | Pins 1, 2, 15, 16 are unconnected - must remain floating or tied to GND/VDD2 per layout guidelines to avoid parasitic coupling. |
Key Features
| Feature | Design Value |
|---|---|
| Reinforced VDE 0884-10 certification | Validated 10 kV surge capability and 60-year lifetime at rated working voltage - eliminates need for external transient protection in EV charging stations. |
| Selectable fail-safe mode (low-default) | Guarantees B1–B3 drive low within 12 ns when VDD1 fails - prevents unintended activation of downstream IGBTs or MOSFETs in battery disconnect circuits. |
| Ultra-low power at 100 Mbps | 5.5 mA/channel @ 5 V, 100 Mbps - reduces thermal load in densely packed automotive ECUs and extends runtime in isolated sensor nodes. |
| High CMTI (≥60 kV/µs) | Immunity to fast common-mode transients from SiC inverters - maintains signal integrity without added filtering or guard traces. |
| AEC-Q100 Grade 1 qualification | Validated for –40 to +125 °C operation with zero-defect manufacturing flow - meets functional safety requirements for ASIL-B systems. |
Applications
| Battery Management System (BMS) | On-Board Charger (OBC) |
|---|---|
|
Use Scenario: Isolating cell voltage monitoring ADCs and pack contactor control signals in 400–800 V EV battery packs. IC Role / Device Role / Timing Role: SI8630BT-AS2 forwards three independent analog front-end status bits across the isolation barrier with <2.5 ns inter-channel skew. Use Value: Enables synchronized sampling of up to 96 cells using a single isolated SPI bus, reducing component count vs. discrete optocouplers. |
Use Scenario: Transmitting PWM gate signals and fault feedback between AC/DC controller and isolated DC/DC stage in bidirectional OBCs. IC Role / Device Role / Timing Role: SI8630BT-AS2 carries three control signals (enable, overtemp flag, soft-start) from low-voltage MCU to high-side gate driver ICs. Use Value: 150 Mbps bandwidth supports multi-level modulation schemes; 5 kVRMS rating satisfies UL 60335-1 creepage requirements for consumer-grade EVSE. |
| Traction Inverter Control | Industrial Motor Drive |
|
Use Scenario: Isolating position encoder interface and phase current sense signals in 120 kW+ electric axle inverters. IC Role / Device Role / Timing Role: SI8630BT-AS2 delivers resolver excitation sync, rotor position feedback, and overcurrent trip signals across reinforced barrier. Use Value: 60 kV/µs CMTI prevents false triggering during 10 kV/µs SiC switching events; AEC-Q100 compliance ensures field reliability. |
Use Scenario: Providing isolated communication between PLC master and distributed I/O modules in factory automation networks. IC Role / Device Role / Timing Role: SI8630BT-AS2 routes three discrete I/O status bits (run, fault, ready) from isolated fieldbus node to central controller. Use Value: Wide 2.5–5.5 V supply range allows direct interfacing with 3.3 V RS-485 transceivers and 5 V relay drivers without LDOs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital isolator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SI8630BD-AS | Same 3-channel, low-default, 5 kVRMS WB SOIC-16 package but certified to IEC 60747-5-5 (not VDE 0884-10); lower CMTI (50 kV/µs). | Lacks reinforced surge rating - suitable for non-medical industrial drives but not automotive BMS requiring VDE certification. | Choose SI8630BD-AS only if VDE 0884-10 is not mandated and cost sensitivity outweighs surge immunity needs. |
| ADUM3300ARWZ | 3-channel, 25 Mbps max, 2.5–5.5 V, 3.75 kVRMS, SOIC-16 narrow body; no AEC-Q100 or VDE 0884-10 rating. | Lower speed and isolation rating - fits legacy industrial PLCs but cannot replace SI8630BT-AS2 in 150 Mbps OBC control loops. | Select ADUM3300ARWZ only for cost-driven, non-automotive designs where 25 Mbps suffices and 3.75 kVRMS meets safety standards. |
Compared with SI8630BD-AS and ADUM3300ARWZ, SI8630BT-AS2 uniquely combines VDE 0884-10 reinforced certification, 150 Mbps speed, and AEC-Q100 qualification - making it the only drop-in option for next-generation EV power electronics requiring full regulatory alignment and high-speed deterministic latency.
Availability
SI8630BT-AS2 is available at Aetrix Electronics and suitable for automotive battery management systems, on-board chargers, and industrial motor drives requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for SI8630BT-AS2 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 analog semiconductors, specializing in RF, timing, and isolation technologies for high-performance wireless and power systems.
The Si863x family was designed specifically for automotive and industrial applications demanding reinforced isolation, AEC-Q100 compliance, and ultra-low power at high data rates - targeting EV traction systems and smart grid infrastructure.
FAQ
What is the isolation rating and safety certification of SI8630BT-AS2?
SI8630BT-AS2 provides 5 kVRMS reinforced isolation and is certified to VDE 0884-10, UL 1577, CSA 5A, and CQC GB4943.1. It meets IEC 61010-1 and IEC 60601-1 requirements for medical and industrial equipment, with validated 10 kV surge capability - a key differentiator from standard IEC 60747-5-5 rated isolators like SI8630BD-AS2.
Does SI8630BT-AS2 support fail-safe operation, and how is it configured?
Yes, SI8630BT-AS2 has a factory-configured fail-safe mode that drives all three outputs (B1–B3) low when VDD1 is unpowered while VDD2 remains active. This behavior is enabled by internal 10 µA pull-down resistors on all I/Os - no external components or configuration pins are required. The "T" in the part number denotes this reinforced, low-default variant.
What is the maximum data rate and timing performance of SI8630BT-AS2?
SI8630BT-AS2 supports up to 150 Mbps data rate with 8 ns typical propagation delay (≤13 ns max), 0.4–2.5 ns channel-channel skew, and 5 ns minimum pulse width. These specs enable precise synchronization in high-speed motor control loops and isolated SPI interfaces used in battery cell monitors and digital power controllers.
Is SI8630BT-AS2 qualified for automotive applications?
Yes, SI8630BT-AS2 is AEC-Q100 Grade 1 qualified (–40 to +125 °C), manufactured using automotive-specific process flows, and supported with AIAG-compliant PPAP documentation. Its VDE 0884-10 certification and 60 kV/µs CMTI make it suitable for ASIL-B compliant systems including battery management, on-board chargers, and traction inverters.
What package type and PCB layout considerations apply to SI8630BT-AS2?
SI8630BT-AS2 uses a wide-body SOIC-16 package with 7.5 mm creepage/clearance, requiring ≥8.0 mm spacing between primary and secondary side copper. Layout must include 0.1 µF bypass capacitors on both VDD1 and VDD2, placed adjacent to their respective pins, and avoid routing noisy signals near NC pins (1, 2, 15, 16) to prevent coupling into the isolation barrier.
SI8630BT-AS2 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:
- Magnetic Coupling
- Type:
- General Purpose
- Isolated Power:
- Yes
- Number of Channels:
- 3
- Inputs - Side 1/Side 2:
- 3/0
- Channel Type:
- Unidirectional
- Voltage - Isolation:
- 5000Vrms
- Common Mode Transient Immunity (Min):
- 35kV/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
SI8630BT-AS2 FAQ
1.How can I place an order for SI8630BT-AS2 through Aetrix?
Please submit a Request for Quotation (RFQ) for SI8630BT-AS2 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 SI8630BT-AS2 reliable?
The price and inventory of SI8630BT-AS2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SI8630BT-AS2 is usually 5 days.
3.What payment methods are accepted for SI8630BT-AS2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SI8630BT-AS2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SI8630BT-AS2?
SI8630BT-AS2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SI8630BT-AS2 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 SI8630BT-AS2?
For technical support, including SI8630BT-AS2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SI8630BT-AS2 requirements.
6.How does Aetrix verify that SI8630BT-AS2 is sourced from the original manufacturer or authorized distributors?
All SI8630BT-AS2 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 SI8630BT-AS2 meets industry standards.
7.What is the process for return or replacement of SI8630BT-AS2?
All SI8630BT-AS2 units undergo pre-shipment inspection (PSI). If there is an issue with SI8630BT-AS2, 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 SI8630BT-AS2 part is unused and in its original packaging.
Return procedure for SI8630BT-AS2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SI8630BT-AS2 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
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ISO7721FDR
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SI8710CC-B-ISR
Skyworks Solutions Inc.
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ISO6741FQDWRQ1
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ISO7721DWVR
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ISO7762FDBQR
Texas Instruments
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ISO7741DWR
Texas Instruments
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ISO7741FDWR
Texas Instruments
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