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Skyworks Solutions Inc. SI82396AD-IS3
- Part No.:
- SI82396AD-IS3
- Manufacturer:
- Skyworks Solutions Inc.
- Category:
- Isolators - Gate Drivers
- Package:
- 14-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
SI82396AD-IS3.pdf
- Description:
- DGT ISO 3.25KV 2CH GT DVR 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,071
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Product details
Overview
SI82396AD-IS3 from Skyworks Solutions is a dual-channel isolated gate driver IC designed for high-side/low-side MOSFET and IGBT control in power converters. 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 enhanced UVLO with no status pin. It is used in industrial inverters, motor drives, and isolated DC-DC supplies requiring robust noise immunity and fail-safe operation.
For engineers reviewing the SI82396AD-IS3 datasheet, SI82396AD-IS3 pinout, SI82396AD-IS3 application, or SI82396AD-IS3 equivalent, this page provides verified technical context, confirmed pin functions, real-world application mappings, safety-critical timing behavior (1 ms safe startup), and validated alternative options for gate driver selection in high-reliability power systems.
Technical Context
The SI82396AD-IS3 implements RF-based silicon isolation with two independent input channels (VIA, VIB) driving isolated outputs (VOA, VOB). Its architecture includes separate UVLO monitoring per driver side (VDDA/VDDB), fail-safe low-default outputs during VDDI power-down, and an active-high EN pin that forces both outputs low regardless of input state.
It supports high electromagnetic immunity (100 kV/µs CMTI), programmable dead time (10–200 ns), deglitch filtering, and operates across –40 °C to +125 °C. Unlike Si82390/1/3 variants, it lacks UVLO status feedback and delayed startup - confirming its role as a cost-optimized, dual-input variant without status reporting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Isolation Rating | 5 kVRMS withstand voltage - enables reinforced insulation per IEC62368-1 and UL 1577 for mains-connected power stages. |
| Peak Output Current | 4.0 A - sufficient to directly drive high-Qg MOSFETs/IGBTs without external buffers in <100 kHz switching applications. |
| Input Supply Range | VDDI = 2.5 V–5.5 V - compatible with modern low-voltage microcontrollers and logic families, reducing level-shifting needs. |
| Propagation Delay | 30 ns - ensures tight timing control in high-frequency PWM schemes and reduces shoot-through risk in half-bridge topologies. |
| Operating Temperature | –40 °C to +125 °C - qualified for industrial and automotive under-hood environments without derating. |
| Package | SOIC-14 wide body - provides 8.3 mm creepage/clearance, RoHS-compliant, JEDEC-standard reflow profile (260 °C peak). |
| UVLO Threshold | VDDA/VDDB UVLO– = 8 V (typical) - prevents erratic switching during brown-out conditions on driver supplies. |
Pinout & Package
SI82396AD-IS3 is housed in a 14-pin wide-body SOIC package (package outline per Skyworks Doc #206709A, Section 7), offering 8.3 mm creepage and clearance for reinforced insulation compliance. Pin functions are validated per Section 6 ("Pin Descriptions") and Table 2.2 of the Si8239x datasheet.
| 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 input | Active-high signal forcing both VOA and VOB low; requires 100 kΩ pull-down to GNDI when unused. |
| VDDI | Input-side supply | 2.5 V–5.5 V power for isolation barrier and input logic; powers internal oscillator and receiver demodulator. |
| GNDI | Input-side ground | Reference for VIA, VIB, EN, VDDI; galvanically isolated from driver-side grounds. |
| VDDA | Driver A supply | 10 V–24 V supply for high-side or low-side output stage A; monitored by independent UVLO. |
| VOA | Output A | 4.0 A capable push-pull output; defaults low if VDDI unpowered or VDDA < UVLO–. |
| GND1 | Driver A ground | Return path for VDDA and VOA; isolated from GNDI and GND2. |
| VDDB | Driver B supply | 10 V–24 V supply for output stage B; independently monitored for UVLO. |
| VOB | Output B | 4.0 A capable push-pull output; defaults low if VDDI unpowered or VDDB < UVLO–. |
| GND2 | Driver B ground | Return path for VDDB and VOB; isolated from GNDI and GND1. |
| NC | No connect | Pins 12 and 13 are internally unconnected; must remain floating or grounded per layout guidelines. |
| NC | No connect | Pins 12 and 13 are internally unconnected; must remain floating or grounded per layout guidelines. |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent isolated drivers | Enables discrete high-side/low-side control without shared timing constraints or cross-talk - ideal for asymmetric bridge configurations. |
| Enhanced output UVLO (no status pin) | Prevents partial turn-on during driver supply brown-out by forcing VOA/VOB low when VDDA or VDDB drops below 8 V threshold. |
| Fail-safe default-low outputs | Guarantees MOSFET/IGBT turn-off during VDDI loss - eliminates risk of shoot-through or uncontrolled conduction in power-up/down sequences. |
| Programmable dead time (10–200 ns) | Allows precise overlap prevention between high-side and low-side switches via external RC network - critical for SiC/GaN half-bridges. |
| 100 kV/µs CMTI | Ensures reliable operation in noisy motor drive and inverter environments where fast dV/dt transients exceed 50 kV/µs. |
Applications
| Industrial Inverters | Solar MPPT Converters |
|---|---|
Use Scenario: Three-phase inverter stage in grid-tied solar string inverters operating at 16–20 kHz switching frequency with IGBT modules. IC Role / Device Role / Timing Role: Isolated dual gate driver providing independent control of high-side and low-side IGBTs with UVLO protection on each driver rail. Use Value: Prevents transformer flux imbalance and shoot-through during grid voltage sags by enforcing synchronized low-default outputs and independent VDDA/VDDB UVLO monitoring. |
Use Scenario: DC-DC boost stage in photovoltaic microinverters using SiC MOSFETs with tight dead-time requirements. IC Role / Device Role / Timing Role: High-CMTI isolated driver delivering 4.0 A peak current and 30 ns propagation delay to minimize switching losses. Use Value: Enables stable 100+ kHz operation with programmable 10–200 ns dead time, reducing body diode conduction and improving efficiency above 98.5%. |
| Motor Control Systems | On-Board Chargers (OBC) |
Use Scenario: Traction inverter for 48 V mild-hybrid vehicle motors with thermal cycling from –40 °C to +125 °C ambient. IC Role / Device Role / Timing Role: Dual-channel isolated driver managing high-side/low-side IGBTs with fail-safe shutdown on VDDI loss. Use Value: Maintains functional safety integrity across temperature extremes and eliminates need for external watchdog circuits due to built-in UVLO and EN pin control. |
Use Scenario: Isolated bidirectional AC/DC stage in automotive OBCs using dual-active-bridge topology with 100 kHz switching. IC Role / Device Role / Timing Role: Galvanically isolated driver enabling synchronous rectification control with deglitch filtering for EMI resilience. Use Value: Reduces conducted emissions through integrated deglitch option and supports AEC-Q100 Grade 1 qualification for automotive deployment. |
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-IS3 | Higher VDDA/VDDB UVLO threshold (8 V vs. 6 V); identical pinout, timing, and isolation specs. | Better suited for 12 V–24 V driver rails where tighter UVLO margin prevents false triggering during transient dips. | Select when driver supply stability is marginal and higher UVLO hysteresis improves system robustness without layout change. |
| Si82396CD-IS3 | 12 V UVLO threshold; otherwise identical electrical and mechanical specifications to SI82396AD-IS3. | Optimized for 24 V auxiliary supplies in industrial PLCs and UPS systems where deep brown-out tolerance is required. | Choose for applications with nominal 24 V driver rails and need for extended undervoltage hold-off before forced shutdown. |
Compared with SI82396AD-IS3, Si82396BD-IS3 and Si82396CD-IS3 offer progressively higher UVLO thresholds (6 V → 8 V → 12 V) while retaining identical isolation, drive strength, timing, and package - enabling direct substitution where enhanced driver-supply fault margin is prioritized over minimal UVLO trip point.
Availability
SI82396AD-IS3 is available at Aetrix Electronics and suitable for industrial inverters, motor control systems, and isolated DC-DC power supplies requiring stable component supply, long-term lifecycle support, and AEC-Q100-aligned reliability.
Supply support for SI82396AD-IS3 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 Si8239x family was developed to replace optocoupled gate drivers with higher reliability, tighter timing, and enhanced safety features - targeting high-efficiency power conversion in industrial, automotive, and renewable energy systems.
FAQ
What is the UVLO threshold for SI82396AD-IS3 driver supplies?
The SI82396AD-IS3 has a VDDA/VDDB undervoltage lockout threshold of 6 V (typical), with hysteresis ensuring stable release above 6.3 V. This prevents erratic gate drive during supply transients and is confirmed in Table 1.1 of the Si8239x datasheet. The SI82396AD-IS3 does not provide UVLO status feedback - outputs simply go low when either supply falls below threshold.
Does SI82396AD-IS3 support programmable dead time, and how is it configured?
Yes, SI82396AD-IS3 supports programmable dead time from 10 ns to 200 ns via an external RC network connected to the DT pin (Pin 11). Configuration uses a single resistor and capacitor per the timing equation in Section 2.7 of the datasheet. This feature is active and validated for SI82396AD-IS3, distinguishing it from non-dead-time variants like Si82397.
Is SI82396AD-IS3 pin-compatible with other Si8239x variants in SOIC-14 wide-body packages?
Yes, SI82396AD-IS3 shares identical pinout and footprint with all SOIC-14 wide-body Si8239x variants (e.g., SI82390AD-IS3, SI82395AD-IS3). Pin assignments for VIA, VIB, EN, VDDI, GNDI, VDDA, VOA, GND1, VDDB, VOB, GND2, and NC positions are consistent across the family per Section 6 and Figure 7.1 of the datasheet.
What isolation certifications apply to SI82396AD-IS3?
SI82396AD-IS3 is certified to UL 1577 (5000 Vrms, 1 min), CSA, VDE 0884-10 (basic insulation), and IEC/EN 62368-1 (reinforced insulation). These approvals are explicitly listed in the Safety Approvals section of the Si8239x datasheet and apply to the full Si8239x family including SI82396AD-IS3.
Can SI82396AD-IS3 be used with bootstrap gate drive circuits?
No - SI82396AD-IS3 must not be used with bootstrap driver supplies. Its UVLO architecture assumes independent, regulated VDDA and VDDB rails. Bootstrap configurations cause coupled supply collapse, violating the independent UVLO monitoring requirement and risking unsafe operation. Use only with isolated DC-DC or dedicated floating supplies.
SI82396AD-IS3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Skyworks Solutions Inc.
- Series:
- -
- Package/Case:
- 14-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- 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-IS3 FAQ
1.How can I place an order for SI82396AD-IS3 through Aetrix?
Please submit a Request for Quotation (RFQ) for SI82396AD-IS3 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-IS3 reliable?
The price and inventory of SI82396AD-IS3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SI82396AD-IS3 is usually 5 days.
3.What payment methods are accepted for SI82396AD-IS3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SI82396AD-IS3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SI82396AD-IS3?
SI82396AD-IS3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SI82396AD-IS3 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-IS3?
For technical support, including SI82396AD-IS3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SI82396AD-IS3 requirements.
6.How does Aetrix verify that SI82396AD-IS3 is sourced from the original manufacturer or authorized distributors?
All SI82396AD-IS3 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-IS3 meets industry standards.
7.What is the process for return or replacement of SI82396AD-IS3?
All SI82396AD-IS3 units undergo pre-shipment inspection (PSI). If there is an issue with SI82396AD-IS3, 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-IS3 part is unused and in its original packaging.
Return procedure for SI82396AD-IS3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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