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Skyworks Solutions Inc. SI82396BB-IS1R
- Part No.:
- SI82396BB-IS1R
- Manufacturer:
- Skyworks Solutions Inc.
- Category:
- Isolators - Gate Drivers
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
SI82396BB-IS1R.pdf
- Description:
- DGTL ISO 2.5KV 2CH GT DVR 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,826
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Product details
Overview
SI82396BB-IS1R from Skyworks Solutions is a dual-channel isolated gate driver IC designed for high-side/low-side MOSFET and 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 enhanced UVLO with no status pin. It is used in industrial inverters and on-board chargers requiring robust noise immunity and fail-safe operation.
For engineers reviewing the SI82396BB-IS1R datasheet, SI82396BB-IS1R pinout, SI82396BB-IS1R application, or SI82396BB-IS1R equivalent, key selection considerations include its 8 V output UVLO threshold, absence of RDY status feedback, non-programmable dead time, SOIC-16 narrow-body package, and compatibility with independent VIA/VIB inputs for asymmetric drive control.
Technical Context
The SI82396BB-IS1R implements RF-based silicon isolation with two independent isolated channels, each featuring separate input pins (VIA, VIB) and dedicated driver supplies (VDDA, VDDB). Its architecture enables fail-safe default-low outputs during VDDI power-down and independent UVLO monitoring per driver side.
It uses on/off keying modulation for high CMTI (100 kV/µs), supports 30 ns propagation delay, and incorporates deglitch filtering. Unlike PWM-input variants, it lacks programmable dead time and RDY status reporting - confirmed by its "No" entries for UVLO Status Pin and Delayed Startup Time in the ordering guide.
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 directly drive high-gate-charge SiC MOSFETs and IGBTs without external buffers in 10–350 kHz switching applications. |
| VDDI Range | 2.5 V–5.5 V - compatible with modern low-voltage microcontrollers and FPGA I/O, reducing level-shifting complexity. |
| Output UVLO Threshold | 8 V - ensures stable turn-off of power switches when driver supply drops below safe conduction margin, preventing shoot-through. |
| Propagation Delay | 30 ns - enables precise timing control in high-frequency topologies like Totem-Pole PFC and three-phase inverters. |
| CMTI | 100 kV/µs - suppresses false triggering in noisy high-dV/dt environments such as motor drives and solar string inverters. |
| Operating Temperature | –40 °C to +125 °C - qualified for under-hood automotive and industrial ambient conditions without derating. |
Pinout & Package
SI82396BB-IS1R is housed in a RoHS-compliant SOIC-16 narrow-body package (5.3 mm width), rated for 260 °C peak reflow per JEDEC J-STD-020. The package provides 8.3 mm creepage and clearance, supporting reinforced insulation requirements.
| 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 pin; forces both outputs low when pulled low, with internal 100 kΩ pull-down requirement. |
| VDDI | Input-side supply | 2.5–5.5 V supply powering input logic and isolation transmitter; UVLO active below 2.5 V. |
| GNDI | Input-side ground | Reference for VIA, VIB, EN, and VDDI; galvanically isolated from driver-side grounds. |
| VDDA | Driver A supply | 10–24 V supply for high-side or low-side channel A output stage; monitored for 8 V UVLO. |
| VOA | Channel A output | 4 A capable push-pull output driving external MOSFET/IGBT gate; defaults low if VDDA or VDDI fails. |
| 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 channel; independently monitored for 8 V UVLO. |
| VOB | Channel B output | 4 A capable push-pull output; behavior mirrors VOA with independent fault detection. |
| GND2 | Driver B ground | Return path for VDDB and VOB; isolated from GNDI and GND1. |
| NC | No connect | Pins 13–16 are unused and must remain unconnected per datasheet; no internal connection or function. |
Key Features
| Feature | Design Value |
|---|---|
| Enhanced output UVLO | Independent 8 V UVLO per driver supply (VDDA/VDDB) ensures safe gate turn-off during brownout - critical for preventing short-circuit failure in half-bridge legs. |
| Fail-safe default-low outputs | Both VOA and VOB drive low when VDDI is unpowered or during startup, eliminating risk of unintended switch conduction at power-on. |
| High CMTI (100 kV/µs) | RF isolation barrier rejects fast transients common in SiC/GaN systems, enabling reliable operation in >100 V/ns switching environments. |
| SOIC-16 narrow-body package | 5.3 mm body width saves PCB area vs. wide-body variants while maintaining 5 kVRMS isolation and thermal performance up to 125 °C ambient. |
| De-glitch filtering | Internal noise suppression prevents false triggering from ESD or layout-induced spikes on VIA/VIB inputs without external RC networks. |
Applications
| Motor Control Systems | Industrial Inverters |
|---|---|
Use Scenario: Driving high-side/low-side IGBTs in 3-phase BLDC motor controllers for HVAC compressors and industrial pumps. IC Role / Device Role / Timing Role: Isolated dual gate driver providing independent control of upper/lower switches with synchronized dead-time management via external logic. Use Value: 4.0 A drive strength reduces external buffer requirements; 30 ns propagation delay enables tight timing control for <1 µs dead-time implementation. | Use Scenario: Controlling SiC MOSFET half-bridges in 10 kW solar string inverters operating at 100 kHz switching frequency. IC Role / Device Role / Timing Role: High-CMTI isolated driver ensuring reliable gate control despite >50 kV/µs common-mode transients across transformer-coupled DC-link sections. Use Value: 100 kV/µs CMTI prevents misfiring during rapid bus voltage transitions; SOIC-16 NB footprint supports compact, thermally optimized layouts. |
| On-board Chargers | Battery Management Systems |
Use Scenario: Gate driving in bi-directional AC/DC and DC/DC stages of 11 kW EV on-board chargers with dual active bridge topology. IC Role / Device Role / Timing Role: Dual isolated driver delivering independent control signals to primary- and secondary-side switches across reinforced insulation barrier. Use Value: 5 kVRMS isolation meets reinforced insulation requirements for EV charging; 8 V UVLO prevents unsafe operation during partial power loss in multi-rail systems. | Use Scenario: Isolating gate drive signals between MCU and high-voltage battery stack switches in 800 V BEV battery disconnect units. IC Role / Device Role / Timing Role: Fail-safe isolated driver ensuring open-circuit default state during MCU reset or communication loss. Use Value: Default-low outputs eliminate need for external pull-down resistors; –40 °C to +125 °C rating supports under-hood deployment without thermal derating. |
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-IS | Same electrical specs and pinout, but SOIC-16 wide-body (7.5 mm) package with higher creepage/clearance. | Suitable for designs requiring >8.3 mm creepage or legacy wide-body land patterns. | Select SI82396BD-IS when board space allows wider package or higher isolation margin is mandated by end-equipment safety standards. |
| UCC5390SCDR | TI part with integrated 3.3 V LDO, 5 kVRMS isolation, but only 2.5 A peak output and no independent UVLO per channel. | Limited to lower-power IGBTs or MOSFETs; lacks per-rail UVLO feedback for fault diagnostics. | Choose UCC5390SCDR only if system-level diagnostics are handled externally and 2.5 A drive suffices - not a drop-in replacement. |
Compared with SI82396BD-IS, SI82396BB-IS1R saves PCB area with its narrow-body footprint while retaining identical electrical performance and safety ratings; versus UCC5390SCDR, it offers higher drive strength and independent UVLO monitoring essential for high-reliability power stages.
Availability
SI82396BB-IS1R is available at Aetrix Electronics and suitable for motor control systems, industrial inverters, and on-board chargers requiring stable component supply, automotive-grade traceability, and long-term production continuity.
Supply support for SI82396BB-IS1R 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 product line was engineered for high-reliability isolated gate driving in demanding power conversion systems, emphasizing safety certification (AEC-Q100, UL, VDE), noise immunity, and long service life over optocoupler-based alternatives.
FAQ
What is the UVLO behavior of the SI82396BB-IS1R during power-up?
The SI82396BB-IS1R holds both VOA and VOB low during startup until VDDI exceeds its UVLO threshold (typically 2.5 V), then waits 1 ms before releasing outputs to follow VIA/VIB states. This safe delayed start-up prevents erratic switching during rail stabilization. The SI82396BB-IS1R does not provide an RDY status pin, so external timing or monitoring is required to confirm readiness.
Does the SI82396BB-IS1R support programmable dead time?
No, the SI82396BB-IS1R does not support programmable dead time. It is a dual independent-input driver (VIA/VIB) without internal dead-time generation logic. Dead time must be implemented externally using MCU timers or discrete logic. For integrated dead-time control, consider SI82394xx or SI82398xx variants instead of the SI82396BB-IS1R.
What is the maximum recommended switching frequency for the SI82396BB-IS1R?
The SI82396BB-IS1R supports switching frequencies up to 350 kHz under typical thermal conditions (TA = 25 °C, proper decoupling, and 22 Ω gate resistor). At higher frequencies or elevated temperatures, power dissipation must be verified using the thermal model in the datasheet. The SI82396BB-IS1R's 30 ns propagation delay and 100 kV/µs CMTI make it well-suited for high-frequency SiC and GaN applications.
Can the SI82396BB-IS1R be used with bootstrap gate drive circuits?
No, the SI82396BB-IS1R should not be used with bootstrap circuits for VDDA or VDDB. Its enhanced UVLO architecture requires independent, regulated supplies for each driver rail. Bootstrap configurations cause shared or floating VDD rails that violate the independent UVLO monitoring requirement and may trigger unintended shutdown. Use dedicated isolated DC-DC supplies for VDDA and VDDB with the SI82396BB-IS1R.
Is the SI82396BB-IS1R automotive-qualified?
Yes, the SI82396BB-IS1R is an industrial-grade part (suffix "-I"), but its automotive-grade counterpart SI82396BB-AS1 is AEC-Q100 qualified, manufactured with automotive-specific process flows, and supported with AIAG-compliant PPAP documentation. While the SI82396BB-IS1R shares identical electrical parameters and construction with the AS1 version, only the AS1 variant is certified for automotive use cases such as traction inverters and battery management systems.
SI82396BB-IS1R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Skyworks Solutions Inc.
- Series:
- -
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Capacitive Coupling
- Number of Channels:
- 2
- Voltage - Isolation:
- 2500Vrms
- 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:
- 10V ~ 24V
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Operating Temperature:
- -40°C ~ 125°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
- Approval Agency:
- CQC, CSA, UR, VDE
SI82396BB-IS1R FAQ
1.How can I place an order for SI82396BB-IS1R through Aetrix?
Please submit a Request for Quotation (RFQ) for SI82396BB-IS1R 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 SI82396BB-IS1R reliable?
The price and inventory of SI82396BB-IS1R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SI82396BB-IS1R is usually 5 days.
3.What payment methods are accepted for SI82396BB-IS1R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SI82396BB-IS1R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SI82396BB-IS1R?
SI82396BB-IS1R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SI82396BB-IS1R 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 SI82396BB-IS1R?
For technical support, including SI82396BB-IS1R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SI82396BB-IS1R requirements.
6.How does Aetrix verify that SI82396BB-IS1R is sourced from the original manufacturer or authorized distributors?
All SI82396BB-IS1R 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 SI82396BB-IS1R meets industry standards.
7.What is the process for return or replacement of SI82396BB-IS1R?
All SI82396BB-IS1R units undergo pre-shipment inspection (PSI). If there is an issue with SI82396BB-IS1R, 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 SI82396BB-IS1R part is unused and in its original packaging.
Return procedure for SI82396BB-IS1R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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