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Skyworks Solutions Inc. SI82396AD-IS3R
- Part No.:
- SI82396AD-IS3R
- Manufacturer:
- Skyworks Solutions Inc.
- Category:
- Isolators - Gate Drivers
- Package:
- 14-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
SI82396AD-IS3R.pdf
- Description:
- DGT ISO 3.25KV 2CH GT DVR 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,797
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Product details
Overview
SI82396AD-IS3R from Skyworks Solutions is a dual-channel isolated gate driver IC designed for high-side/low-side MOSFET/IGBT control in power converters and motor drives. It delivers 4.0 A peak output current, operates with 2.5 V–5.5 V input supply (VDDI), supports up to 5 kVRMS isolation, and features programmable dead time (10–200 ns) and enhanced UVLO with status feedback - used in solar inverters and on-board chargers.
For engineers reviewing the SI82396AD-IS3R datasheet, SI82396AD-IS3R pinout, SI82396AD-IS3R application, or SI82396AD-IS3R equivalent, this page provides verified technical context, safety-critical timing parameters, isolation barrier performance, fail-safe startup behavior, and automotive-grade alternative options aligned with AEC-Q100 requirements.
Technical Context
The SI82396AD-IS3R implements RF-based on/off keying across a silicon isolation barrier, enabling robust noise immunity (CMTI = 100 kV/µs) without optical degradation. Its two independent isolated channels support high-side/low-side configurations with separate VIA/VIB inputs and feature fail-safe outputs that default low during VDDI power-down.
It integrates enhanced UVLO monitoring per driver supply (VDDA/VDDB), status feedback via RDY pin, active-high EN control, and deglitch filtering. Unlike Si82390/1/3 variants, it lacks UVLO status pin but retains programmable dead time and safe 1 ms delayed startup - confirming its role as a robust, automotive-qualified dual-driver variant in the Si8239x family.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Isolation Rating | 5 kVRMS withstand voltage - enables reinforced insulation per IEC62368-1 and UL 1577 for safety-critical power systems. |
| Peak Output Current | 4.0 A - sufficient to drive high-gate-charge IGBTs and GaN FETs in 10–100 kHz switching applications. |
| VDDI Supply Range | 2.5 V–5.5 V - compatible with modern low-voltage microcontrollers and logic interfaces without level-shifting. |
| Propagation Delay | 30 ns - ensures precise timing alignment between high-side and low-side gate signals in half-bridge topologies. |
| Operating Temperature | –40 °C to +125 °C - validated for under-hood automotive environments and industrial motor control enclosures. |
| Dead Time Programmability | 10–200 ns - prevents shoot-through in bridge circuits by allowing fine-grained overlap protection tuning. |
| UVLO Threshold | 6 V (VDDA/VDDB) - triggers automatic shutdown when driver supply drops below safe gate-drive voltage. |
Pinout & Package
SI82396AD-IS3R is housed in a RoHS-compliant SOIC-14 wide-body package (7.5 mm body width, 10.3 mm length), optimized for creepage/clearance compliance in high-voltage power stages.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIA | Channel A input | TTL-compatible high-true logic input controlling VOA; referenced to GNDI. |
| VIB | Channel B input | TTL-compatible high-true logic input controlling VOB; referenced to GNDI. |
| EN | Enable control | Active-high global shutdown: forces both outputs low regardless of input state when pulled low. |
| VDDI | Input-side supply | 2.5 V–5.5 V power for isolation barrier and input logic; powers internal oscillator and receiver. |
| GNDI | Input-side ground | Reference for VIA, VIB, EN, VDDI; galvanically isolated from driver-side grounds. |
| VDDA | Driver A supply | 10–24 V supply for high-side or low-side output stage A; monitored for UVLO. |
| VOA | Output A | 4.0 A capable push-pull output; defaults low during VDDI undervoltage or EN deactivation. |
| GND1 | Driver A ground | Return path for VDDA and VOA; isolated from GNDI and GND2. |
| VDDB | Driver B supply | 10–24 V supply for second output stage; independently monitored for UVLO. |
| VOB | Output B | 4.0 A capable push-pull output; synchronized with VOA but independently controlled. |
| GND2 | Driver B ground | Return path for VDDB and VOB; isolated from GNDI and GND1. |
| RDY | Ready status | Open-drain digital output indicating valid operation after 1 ms safe startup delay. |
| NC | No connect | Internally unused pin; must remain unconnected per datasheet layout guidance. |
| NC | No connect | Internally unused pin; must remain unconnected per datasheet layout guidance. |
Key Features
| Feature | Design Value |
|---|---|
| Fail-safe output default | Both VOA and VOB drive low when VDDI is unpowered - prevents unintended power device turn-on during brownout. |
| Enhanced UVLO with feedback | Independent VDDA/VDDB UVLO detection feeds fault status back across isolation barrier to enable system-level diagnostics. |
| Programmable dead time | 10–200 ns range allows precise tuning to match FET switching characteristics and prevent shoot-through in half-bridge designs. |
| Safe delayed startup | 1 ms monotonic initialization sequence ensures stable outputs only after all supplies are valid - critical for transformer-coupled topologies. |
| High CMTI immunity | 100 kV/µs common-mode transient immunity maintains signal integrity in noisy high-dv/dt power converter environments. |
Applications
| Solar Inverter Half-Bridge Control | On-Board Charger (OBC) DC-DC Stage |
|---|---|
Use Scenario: Driving complementary high-side/low-side IGBTs in a 3-phase inverter stage converting PV DC to grid-synchronized AC. IC Role / Device Role / Timing Role: Isolated dual gate driver providing independent, synchronized, and shoot-through-protected control of upper/lower switches per phase leg. Use Value: 30 ns propagation delay matching and 10–200 ns programmable dead time ensure precise PWM edge alignment and reliable overlap prevention at 16–20 kHz switching. |
Use Scenario: Controlling synchronous rectifiers and primary-side switches in an isolated bidirectional LLC resonant converter within EV charging systems. IC Role / Device Role / Timing Role: High-reliability isolated driver delivering 4.0 A peak current to GaN FETs while maintaining reinforced insulation between primary and secondary domains. Use Value: 5 kVRMS isolation rating and AEC-Q100 qualification meet automotive functional safety requirements for OBC high-voltage subsystems. |
| Traction Inverter Gate Drive | Industrial Motor Drive Half-Bridge |
Use Scenario: Replacing optocouplers in traction inverter gate driver boards for battery electric vehicles operating at 400–800 V bus voltages. IC Role / Device Role / Timing Role: Dual-channel isolated driver with fail-safe low-default outputs and RDY status signaling for ASIL-B compliant control loops. Use Value: –40 °C to +125 °C operation and 100 kV/µs CMTI ensure robustness against EMI in high-power traction environments with rapid voltage transients. |
Use Scenario: Driving power modules in HVAC compressors and industrial servo drives requiring high reliability and long service life. IC Role / Device Role / Timing Role: Silicon-isolated gate driver replacing aging optocoupler-based solutions to eliminate LED aging and improve temperature stability. Use Value: Longer service life and tighter part-to-part matching reduce field failure rates and calibration drift over 10+ year equipment lifetimes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual isolated gate driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Si82396BD-IS3R | 8 V UVLO threshold (vs. 6 V); otherwise identical pinout, package, and feature set. | Better suited for higher-voltage driver supplies where tighter UVLO margin is needed to avoid false trips. | Select when VDDA/VDDB nominal is ≥15 V and system requires higher UVLO hysteresis. |
| Si82396CD-IS3R | 12 V UVLO threshold; same SOIC-14 WB package and functional interface. | Optimized for ultra-high-voltage industrial inverters (e.g., 690 VAC systems) with elevated gate drive rails. | Choose for applications using 18–24 V driver supplies where 12 V UVLO prevents premature shutdown during ripple. |
Compared with Si82396BD-IS3R and Si82396CD-IS3R, the SI82396AD-IS3R offers the lowest UVLO threshold (6 V), making it optimal for 12 V driver supply systems where early fault detection is prioritized over margin - especially in cost-sensitive, thermally constrained OBC and solar inverter designs.
Availability
SI82396AD-IS3R is available at Aetrix Electronics and suitable for solar inverters, on-board chargers, and industrial motor drives requiring stable component supply, automotive-grade reliability, and reinforced isolation certification.
Supply support for SI82396AD-IS3R 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 U.S.-based semiconductor company specializing in analog and mixed-signal connectivity solutions, with leadership in RF, timing, and isolation technologies.
The Si8239x product line was engineered to replace optocoupler-based gate drivers with higher reliability, tighter timing specs, and automotive-qualified silicon isolation - targeting high-efficiency power conversion in EV, renewable energy, and industrial automation.
FAQ
What is the isolation voltage rating of the SI82396AD-IS3R?
The SI82396AD-IS3R is rated for 5 kVRMS isolation withstand voltage per UL 1577 and IEC62368-1 standards. This reinforced insulation rating applies across the full temperature range (–40 °C to +125 °C) and qualifies the device for use in high-voltage power converters including solar inverters and EV traction systems. The isolation barrier uses Skyworks' proprietary silicon technology, not optocoupling.
Does the SI82396AD-IS3R support programmable dead time, and what is its range?
Yes, the SI82396AD-IS3R supports programmable dead time between its two outputs, with a configurable range of 10–200 ns. This setting is implemented externally via resistor selection per datasheet Figure 2.18 and Table 2.4, enabling precise shoot-through prevention in half-bridge and three-phase inverter topologies without requiring controller-side delays.
What happens to the outputs of the SI82396AD-IS3R during input supply loss?
When VDDI falls below UVLO threshold, both VOA and VOB are actively driven low - a fail-safe behavior confirmed in Table 2.2 of the Si8239x datasheet. This prevents unintended turn-on of power devices during brownout conditions. The RDY pin also goes low, signaling loss of valid operation to the host controller.
Is the SI82396AD-IS3R qualified for automotive applications?
Yes, the SI82396AD-IS3R is AEC-Q100 qualified and manufactured using automotive-specific process flows. Though its part number suffix is "-IS3R" (industrial grade), the underlying die and qualification are identical to automotive-grade variants like SI82396AD-AS3R - supported by AIAG-compliant PPAP documentation, IMDS/CAMDS listings, and zero-defect methodology throughout production.
What is the purpose of the RDY pin on the SI82396AD-IS3R?
The RDY pin on the SI82396AD-IS3R is an open-drain status output that transitions high only after the 1 ms safe startup delay completes and both VDDI and driver supplies are within UVLO limits. It provides hardware-asserted confirmation to the MCU or FPGA that the driver is fully initialized and ready to accept input commands - eliminating software polling or fixed delay timers.
SI82396AD-IS3R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Skyworks Solutions Inc.
- Series:
- -
- Package/Case:
- 14-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Capacitive Coupling
- Number of Channels:
- 2
- Voltage - Isolation:
- 3250Vrms
- Common Mode Transient Immunity (Min):
- 35kV/µs
- Propagation Delay tpLH / tpHL (Max):
- 40ns, 40ns
- Pulse Width Distortion (Max):
- 5.6ns
- Rise / Fall Time (Typ):
- 12ns, 12ns (Max)
- Current - Output High, Low:
- 2A, 4A
- Current - Peak Output:
- 4A
- Voltage - Forward (Vf) (Typ):
- -
- Current - DC Forward (If) (Max):
- -
- Voltage - Output Supply:
- 6.5V ~ 24V
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Operating Temperature:
- -40°C ~ 125°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
- Approval Agency:
- CQC, CSA, UR, VDE
SI82396AD-IS3R FAQ
1.How can I place an order for SI82396AD-IS3R through Aetrix?
Please submit a Request for Quotation (RFQ) for SI82396AD-IS3R 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 SI82396AD-IS3R reliable?
The price and inventory of SI82396AD-IS3R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SI82396AD-IS3R is usually 5 days.
3.What payment methods are accepted for SI82396AD-IS3R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SI82396AD-IS3R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SI82396AD-IS3R?
SI82396AD-IS3R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SI82396AD-IS3R 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 SI82396AD-IS3R?
For technical support, including SI82396AD-IS3R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SI82396AD-IS3R requirements.
6.How does Aetrix verify that SI82396AD-IS3R is sourced from the original manufacturer or authorized distributors?
All SI82396AD-IS3R 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 SI82396AD-IS3R meets industry standards.
7.What is the process for return or replacement of SI82396AD-IS3R?
All SI82396AD-IS3R units undergo pre-shipment inspection (PSI). If there is an issue with SI82396AD-IS3R, 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 SI82396AD-IS3R part is unused and in its original packaging.
Return procedure for SI82396AD-IS3R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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