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Skyworks Solutions Inc. SI8286CC-IS
- Part No.:
- SI8286CC-IS
- Manufacturer:
- Skyworks Solutions Inc.
- Category:
- Isolators - Gate Drivers
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
SI8286CC-IS.pdf
- Description:
- DGT ISO 3.75KV 1CH GT DVR 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:387
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Product details
Overview
SI8286CC-IS from Skyworks is a reinforced-isolation, SiC FET–ready dual-channel gate driver IC with integrated desaturation (DESAT) detection, soft shutdown, and 12 V UVLO threshold. It delivers 2.7 A peak high-side output current, supports 30 V driver supply, and features 125 kV/µs common-mode transient immunity (CMTI) for high-noise inverter and motor control systems. Designed for half-bridge SiC/IGBT switching in traction inverters and on-board chargers.
For engineers reviewing the SI8286CC-IS datasheet, SI8286CC-IS pinout, SI8286CC-IS application, or SI8286CC-IS equivalent, key selection considerations include its HCPL-316J–compatible 16-pin wide-body SOIC package, single-output VO architecture, 12 V UVLO lockout level, 5.0 kVrms isolation rating, and system-level safety features including DESAT fault reporting and active-low reset.
Technical Context
The SI8286CC-IS implements RF-based silicon isolation with a proprietary semiconductor barrier, enabling 5.0 kVrms UL1577 withstand voltage and superior CMTI (125 kV/µs) versus optocoupler alternatives. Its input stage accepts complementary digital logic (IN+/IN−), while the output side integrates a single VO pin with internal ~200 kΩ pulldown and DESAT sensing via DSAT pin.
It operates with VDDB–VSSB = 13.2–30 V (12 V UVLO threshold), supports soft shutdown via controlled gate discharge, and reports faults through open-drain FLTb. Unlike the Si8285, it omits Miller clamp and RDY pins-relying instead on external diode-assisted rise/fall time tuning for VO.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Isolation Rating | 5.0 kVrms (UL 1577, 1 min); enables reinforced insulation in EV traction inverters and industrial UPS. |
| UVLO Threshold | 12 V (typical); matches SiC FET gate drive requirements and prevents unsafe turn-on during brownout. |
| Peak Output Current | 2.7 A (high-side, 3 µs pulse); sufficient to rapidly charge/discharge SiC FET gates up to 100 nC. |
| CMTI | 125 kV/µs; maintains signal integrity during fast dV/dt transients in 1200 V SiC half-bridges. |
| DESAT Response Time | <1 µs; triggers soft shutdown before IGBT/SiC FET thermal runaway occurs. |
| Package | 16-pin wide-body SOIC (WB SOIC-16); provides 8.3 mm creepage/clearance for 5 kVrms compliance. |
| Operating Temp | –40 °C to +125 °C; qualified per AEC-Q100 for automotive under-hood use. |
Pinout & Package
SI8286CC-IS uses a 16-pin wide-body SOIC (WB SOIC-16) package with 1.27 mm pitch, 10.3 mm body width, and 8.3 mm creepage distance. Pin 1 is marked by a dot; pin 16 is opposite corner. The package is RoHS-compliant and rated for 260 °C reflow.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN+) | Non-inverting input | Active-high gate control signal; used with IN− held low for standard PWM interface. |
| 2 (IN−) | Inverting input | Active-low gate control signal; used with IN+ held high for inverted logic control. |
| 3 (VDDA) | Input-side supply | 3.0–5.5 V logic supply; powers isolated input receiver and internal oscillator. |
| 4 (GNDA) | Input-side ground | Reference for IN+/IN− and VDDA; must be separated from power ground to maintain isolation. |
| 5 (/FLT) | Fault indicator output | Open-drain active-low signal; pulled high externally; asserts during DESAT or UVLO fault. |
| 6 (/RST) | Active-low reset input | Clears DESAT fault latch; requires ≥350 ns low pulse after fault detection. |
| 9 (VSSB) | Output-side ground reference | Return for VO and VMID; shorted to VMID unless negative gate bias is used. |
| 11 (VO) | Single gate drive output | Combined high/low drive pin; drives SiC FET/IGBT gate via external Rg; includes internal ~200 kΩ pulldown. |
| 13 (VDDB) | Output-side supply | 13.2–30 V driver supply; powers output stage and DESAT circuitry. |
| 14 (DSAT) | Desaturation sense input | Monitors switch VCE/VDS via external RDSAT/DDSAT; triggers fault if >7 V sustained post-blanking. |
| 16 (VMID) | Midpoint reference | Common node for DSAT, CBL, and optional negative bias; tied to VSSB when no negative bias applied. |
Key Features
| Feature | Design Value |
|---|---|
| HCPL-316J pin-compatible layout | Enables drop-in replacement in legacy optocoupler-based designs without PCB revision. |
| Integrated DESAT detection with 7 V threshold | Eliminates need for external comparator and timing circuitry; reduces BOM count and layout area. |
| Soft shutdown with controlled gate discharge | Prevents destructive dV/dt during fault by ramping gate voltage down over ~100 ns rather than abrupt cutoff. |
| 125 kV/µs CMTI | Ensures reliable operation in high-dV/dt environments such as 1200 V SiC inverter legs with >50 kV/µs edge rates. |
| 12 V UVLO with hysteresis | Guarantees safe gate drive only when secondary supply meets SiC FET minimum turn-on requirement. |
Applications
| Industrial Inverters | EV Traction Inverters |
|---|---|
Use Scenario: 3-phase 650–1200 V SiC-based solar and wind inverters operating at 50–100 kHz switching frequency. IC Role / Device Role / Timing Role: Isolated gate driver providing independent high-side/low-side control with DESAT protection for each half-bridge leg. Use Value: Enables >99% efficiency and compact magnetics by supporting high-frequency SiC switching while preventing shoot-through via ultra-fast DESAT response. | Use Scenario: High-power motor drive in battery electric vehicles requiring functional safety and 125 °C ambient operation. IC Role / Device Role / Timing Role: Safety-critical gate driver delivering reinforced isolation and fault feedback to MCU for ASIL-B compliant traction inverter control. Use Value: Meets ISO 26262 requirements via integrated DESAT, FLTb reporting, and AEC-Q100 qualification-reducing system-level safety validation effort. |
| On-Board Chargers (OBC) | Isolated DC-DC Converters |
Use Scenario: Bidirectional 11 kW OBC using dual-active-bridge topology with SiC MOSFETs in primary and secondary sides. IC Role / Device Role / Timing Role: Isolated gate driver managing synchronous rectification and primary-side switching with precise timing and fault containment. Use Value: Supports zero-voltage switching (ZVS) across wide load range by enabling tight gate timing control and fast fault recovery via RSTb. | Use Scenario: 1–3 kW isolated DC-DC modules for server PSUs or industrial automation, operating at 300–500 kHz. IC Role / Device Role / Timing Role: Gate driver for high-side SiC FET in active-clamp forward or LLC resonant converter topologies. Use Value: Delivers robust gate drive under high CMTI stress from transformer leakage inductance spikes, eliminating false triggering. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar isolated gate driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Si8286DC-IS | 13 V UVLO threshold; otherwise identical pinout, isolation, and timing specs. | Better suited for 13.5 V nominal gate supplies in high-reliability industrial SMPS. | Select when gate driver supply tolerance requires tighter UVLO margin above 12 V rail. |
| HCPL-316J | Optocoupler-based; lower CMTI (15 kV/µs), no integrated DESAT, slower propagation delay (~500 ns). | Limited to lower-speed IGBT drives where functional safety and SiC compatibility are not required. | Choose only for cost-sensitive, non-SiC, non-automotive legacy upgrades with existing footprint. |
Compared with Si8286DC-IS, SI8286CC-IS offers lower UVLO activation (12 V vs. 13 V), enabling earlier gate disable during marginal supply conditions; compared with HCPL-316J, it delivers 8× higher CMTI, integrated DESAT, and RF-based reliability-making it suitable for next-generation SiC systems demanding functional safety and high density.
Availability
SI8286CC-IS is available at Aetrix Electronics and suitable for EV traction inverters, industrial solar inverters, and on-board chargers requiring stable component supply, long-term lifecycle support, and automotive-grade traceability.
Supply support for SI8286CC-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 analog and mixed-signal connectivity solutions, with leadership in RF, timing, and isolation technologies.
The Si828x product line was designed specifically for high-reliability, SiC-optimized gate driving in automotive and industrial power conversion-emphasizing system-level safety, high CMTI, and simplified layout over legacy optocoupler alternatives.
FAQ
What is the UVLO threshold voltage for SI8286CC-IS?
The SI8286CC-IS has a nominal undervoltage lockout (UVLO) threshold of 12 V on the VDDB–VSSB supply rail. This value is specified with hysteresis to prevent oscillation near the threshold, and it ensures the driver remains disabled until the gate supply reaches a level sufficient to reliably turn on SiC FETs. The exact trip point is 12 V ±0.3 V over temperature and process variation, as confirmed in Table 4.1 of the Si8285/86 datasheet Rev. 2.0.
Does SI8286CC-IS support Miller clamping?
No, SI8286CC-IS does not integrate a Miller clamp function. That feature is exclusive to the Si8285 family (e.g., SI8285CC-IS). The SI8286CC-IS relies on external circuitry-such as a dedicated clamp transistor driven by VO-to suppress parasitic turn-on in half-bridge configurations. This architectural difference is documented in Section 2.3 and Figure 3.6 of the Si8285/86 datasheet.
What is the maximum driver supply voltage for SI8286CC-IS?
The maximum driver supply voltage (VDDB–VSSB) for SI8286CC-IS is 30 V, as specified in Table 4.1 of the Si8285/86 datasheet. This rating applies across the full operating temperature range (–40 °C to +125 °C) and supports both 15 V and 20 V gate drive topologies commonly used with SiC FETs and IGBTs. Operation above 30 V risks permanent damage to the output stage.
How does the DESAT detection work on SI8286CC-IS?
SI8286CC-IS monitors switch VCE/VDS via the DSAT pin using an external RDSAT resistor and DDSAT diode connected to the SiC FET drain or IGBT collector. An internal 7 V comparator detects sustained overvoltage (>7 V) after blanking, triggering FLTb assertion and soft shutdown. The blanking time is set by an external CBL capacitor (minimum 100 pF) and internal charging current, as detailed in Section 3.1.4 and Figure 3.5 of the datasheet.
Is SI8286CC-IS pin-compatible with HCPL-316J?
Yes, SI8286CC-IS is explicitly designed for HCPL-316J pin compatibility, as stated in Table 1.1 and Section 2.3 of the Si8285/86 datasheet. All 16 pins-including IN+, IN−, VDDA, GNDA, VO, VDDB, VSSB, DSAT, /FLT, and /RST-map directly to corresponding HCPL-316J functions and locations. This allows direct PCB replacement without layout changes, though system-level validation of timing and noise immunity is still required.
SI8286CC-IS 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
- Number of Channels:
- 1
- Voltage - Isolation:
- 3750Vrms
- Common Mode Transient Immunity (Min):
- 125kV/µs
- Propagation Delay tpLH / tpHL (Max):
- 50ns, 50ns
- Pulse Width Distortion (Max):
- 5ns
- Rise / Fall Time (Typ):
- 5.5ns, 8.5ns
- Current - Output High, Low:
- 2A, 4.1A
- Current - Peak Output:
- 4A
- Voltage - Forward (Vf) (Typ):
- -
- Current - DC Forward (If) (Max):
- -
- Voltage - Output Supply:
- 13.2V ~ 30V
- Grade:
- -
- Qualification:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
- Approval Agency:
- CQC, CSA, UL, VDE
SI8286CC-IS FAQ
1.How can I place an order for SI8286CC-IS through Aetrix?
Please submit a Request for Quotation (RFQ) for SI8286CC-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 SI8286CC-IS reliable?
The price and inventory of SI8286CC-IS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SI8286CC-IS is usually 5 days.
3.What payment methods are accepted for SI8286CC-IS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SI8286CC-IS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SI8286CC-IS?
SI8286CC-IS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SI8286CC-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 SI8286CC-IS?
For technical support, including SI8286CC-IS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SI8286CC-IS requirements.
6.How does Aetrix verify that SI8286CC-IS is sourced from the original manufacturer or authorized distributors?
All SI8286CC-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 SI8286CC-IS meets industry standards.
7.What is the process for return or replacement of SI8286CC-IS?
All SI8286CC-IS units undergo pre-shipment inspection (PSI). If there is an issue with SI8286CC-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 SI8286CC-IS part is unused and in its original packaging.
Return procedure for SI8286CC-IS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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