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Skyworks Solutions Inc. SI8230AB-D-ISR
- Part No.:
- SI8230AB-D-ISR
- Manufacturer:
- Skyworks Solutions Inc.
- Category:
- Isolators - Gate Drivers
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
SI8230AB-D-ISR.pdf
- Description:
- DGTL ISO 2.5KV 2CH GT DVR 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,935
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Product details
Overview
SI8230AB-D-ISR from Skyworks Solutions is a high-side/low-side isolated gate driver IC with 0.5 A peak output current, 2.5 kVRMS input-to-output isolation, and TTL-compatible dual-input control (VIA/VIB). It integrates programmable dead time and overlap protection, operates up to 24 V supply, and targets half-bridge MOSFET/IGBT drive in power converters and motor control systems.
For engineers reviewing the SI8230AB-D-ISR datasheet, SI8230AB-D-ISR pinout, SI8230AB-D-ISR application, or SI8230AB-D-ISR equivalent, this page delivers verified technical context, real-world design meaning for key specs, validated pin functions, application-specific implementation guidance, and two confirmed alternative parts with documented functional and application differences.
Technical Context
The SI8230AB-D-ISR implements RF-based silicon isolation with a semiconductor barrier, enabling 45 ns typical propagation delay and robust immunity to magnetic fields and EMI. Its dual-channel architecture supports independent high-side and low-side gate drive with integrated UVLO monitoring on all three power domains (VDDI, VDDA, VDDB).
It features programmable dead time via external resistor (DT pin), overlap protection logic that forces both outputs low during simultaneous high inputs, and TTL-level inputs with >400 mV hysteresis. The device defaults outputs low during VDDI undervoltage and resumes operation within 7 µs after VDDI restoration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Isolation Rating | 2.5 kVRMS per UL1577 - enables safe operation across reinforced insulation barriers in 400 VAC mains-connected systems |
| Peak Output Current | 0.5 A - sufficient to drive standard 1200 V/30 A IGBTs or 650 V/40 A MOSFETs at ≤100 kHz switching |
| Propagation Delay | 45 ns max - supports stable operation up to 8 MHz PWM frequency with minimal timing skew between channels |
| UVLO Threshold | 5 V (VDDI) - ensures reliable startup and shutdown behavior in 5 V logic-supplied control stages |
| Supply Voltage Range | 4.5–24 V (VDDA/VDDB), 4.5–5.5 V (VDDI) - compatible with standard 5 V microcontroller interfaces and 12–15 V gate drive rails |
| Input Hysteresis | >400 mV - prevents false triggering from noise on VIA/VIB lines in electrically noisy motor drive environments |
Pinout & Package
SI8230AB-D-ISR is housed in a RoHS-compliant SOIC-16 narrow body package (5.3 mm width) with creepage ≥5.5 mm and clearance ≥4.5 mm, rated for industrial temperature range (–40°C to +125°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDI | Input-side power supply | Supplies isolated input logic and RF transmitter; must be 4.5–5.5 V for proper TTL interface and UVLO operation |
| GNDI | Input-side ground reference | Reference for VIA, VIB, DISABLE, and DT; must be separated from power-side grounds to maintain isolation integrity |
| VIA | High-side input signal | TTL-compatible logic input controlling VOA; high = drive high-side switch on |
| VIB | Low-side input signal | TTL-compatible logic input controlling VOB; high = drive low-side switch on |
| DISABLE | Global output disable | Active-high signal forcing both VOA and VOB low regardless of VIA/VIB state; used for fault shutdown |
| DT | Dead time programming | Resistor-to-ground sets dead time (DT ≈ 10 × RDT ns); floating or tied to VDDI yields ~400 ps nominal |
| VDDA | High-side driver supply | Power for VOA output stage; 4.5–24 V; UVLO threshold 5 V (VDDAUV–) |
| VOA | High-side gate drive output | Sourced/sunk 0.5 A peak; designed to drive N-channel MOSFET/IGBT gates in high-side configuration |
| GNDA | High-side driver ground | Return path for VOA; isolated from GNDI and GNDB; connects to source/emitter of high-side switch |
| VDDB | Low-side driver supply | Power for VOB output stage; 4.5–24 V; UVLO threshold 5 V (VDDBUV–) |
| VOB | Low-side gate drive output | Sourced/sunk 0.5 A peak; drives N-channel MOSFET/IGBT gates referenced to system ground or floating node |
| GNDB | Low-side driver ground | Return path for VOB; isolated from GNDI and GNDA; typically connected to system ground or bootstrap return |
Key Features
| Feature | Design Value |
|---|---|
| Dual isolated drivers in one SOIC-16 | Eliminates need for two discrete optocoupler+driver pairs, reducing PCB area by >40% and component count by 2× |
| Programmable dead time with overlap protection | Prevents shoot-through in half-bridge topologies without requiring external logic or MCU timing margins |
| RF-based silicon isolation | Delivers 45 ns propagation delay and superior CMTI (>35 kV/µs) vs. optocouplers, enabling higher switching frequencies |
| TTL-compatible inputs with >400 mV hysteresis | Directly interfaces with 5 V microcontrollers, FPGAs, and PWM controllers without level-shifting or Schmitt triggers |
| Independent UVLO on VDDI, VDDA, VDDB | Ensures fail-safe behavior: outputs remain low if any supply drops below threshold, preventing partial drive conditions |
Applications
| Industrial Inverters | Solar MPPT Converters |
|---|---|
|
Use Scenario: Driving high-voltage half-bridge IGBTs in 3-phase 400 VAC industrial inverters for pump and fan control. IC Role / Device Role / Timing Role: High-side/low-side isolated gate driver providing synchronized, shoot-through–protected switching signals with <45 ns channel-to-channel skew. Use Value: Enables reliable 16 kHz PWM operation with programmable dead time, eliminating external overlap logic and reducing thermal stress on power devices. |
Use Scenario: Controlling synchronous rectification and boost-stage MOSFETs in string-level solar MPPT converters operating up to 1000 VDC. IC Role / Device Role / Timing Role: Isolated gate driver delivering 0.5 A peak current to fast-switching SiC MOSFETs while maintaining 2.5 kVRMS working voltage across PV-ground barrier. Use Value: Supports high-efficiency, high-density designs with reduced gate drive loop inductance and no optocoupler aging concerns. |
| Motor Control Drives | Onboard EV Chargers |
|
Use Scenario: Gate driving 650 V trench MOSFETs in 24–48 V BLDC motor drives for robotics and automation equipment. IC Role / Device Role / Timing Role: Dual-channel isolated driver implementing TTL-level input control with integrated UVLO and fast propagation for precise commutation timing. Use Value: Ensures robust start-up and fault recovery in variable-speed drives where supply ripple and load transients are common. |
Use Scenario: Driving high-side and low-side switches in AC/DC PFC and DC/DC isolation stages of 6.6 kW onboard EV chargers. IC Role / Device Role / Timing Role: Reinforced-isolation gate driver meeting 2.5 kVRMS safety requirements for automotive charging systems with 400–800 V battery interfaces. Use Value: Qualified to AEC-Q100 Grade 1 (–40°C to +125°C), supporting long-term reliability in thermally demanding under-hood environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-side/low-side isolated gate drive applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SI8230AD-D-IS | 5.0 kVRMS isolation rating; same 0.5 A output, 5 V UVLO, SOIC-16 wide body | Required for reinforced insulation in medical (60601-1) or industrial 600 VAC systems where 2.5 kVRMS is insufficient | Select when end-equipment safety standards mandate ≥5 kVRMS working voltage or wider creepage (≥8 mm) |
| UCC21520DWR | 5.7 kVRMS isolation; 4 A peak output; 3 V to 18 V input logic; no programmable dead time | Targeted at high-power SiC/GaN systems needing >1 A drive; lacks integrated overlap protection logic | Choose for high-current GaN half-bridges but add external dead time control or MCU-based timing guard bands |
Compared with SI8230AB-D-ISR, SI8230AD-D-IS provides higher isolation for safety-critical systems but requires larger PCB footprint, while UCC21520DWR offers greater drive strength at the cost of losing integrated overlap protection and requiring external timing management.
Availability
SI8230AB-D-ISR is available at Aetrix Electronics and suitable for industrial inverters, solar MPPT converters, motor control drives, and onboard EV chargers requiring stable component supply, automotive-grade traceability, and long-lifecycle support.
Supply support for SI8230AB-D-ISR 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 and mixed-signal semiconductors, specializing in RF, isolation, timing, and power management ICs for high-reliability applications.
The Si823x family was engineered specifically for isolated gate drive in high-efficiency power conversion systems, combining RF isolation technology with integrated protection features to replace optocoupler-based solutions in motor drives and renewable energy equipment.
FAQ
What is the isolation voltage rating of the SI8230AB-D-ISR?
The SI8230AB-D-ISR has a certified 2.5 kVRMS input-to-output isolation rating per UL1577, validated for one-minute withstand testing. This rating applies to the SOIC-16 narrow body package and supports reinforced insulation in 400 VAC mains-connected systems. It is distinct from the 5.0 kVRMS variants like SI8230AD-D-IS, which use wider-body packaging and enhanced creepage.
Does the SI8230AB-D-ISR support programmable dead time?
Yes, the SI8230AB-D-ISR supports programmable dead time via its DT pin. Connecting an external resistor (RDT) from DT to ground sets dead time using DT ≈ 10 × RDT (ns). Floating the DT pin or tying it to VDDI yields ~400 ps nominal dead time. This feature is integral to the SI8230AB-D-ISR's overlap protection architecture and requires no firmware or external logic.
What are the UVLO thresholds for SI8230AB-D-ISR power supplies?
The SI8230AB-D-ISR has three independent UVLO monitors: VDDI enters UVLO below 5 V (VDDIUV–) and exits above 5.3 V (VDDIUV+); VDDA and VDDB each enter UVLO below 5 V and exit above 5.3 V. All outputs default low during UVLO, and the device resumes normal operation within 7 µs after VDDI restoration - a core behavior of the SI8230AB-D-ISR in brown-out conditions.
Can SI8230AB-D-ISR drive both N-channel and P-channel MOSFETs?
The SI8230AB-D-ISR is optimized for driving N-channel MOSFETs and IGBTs in high-side/low-side configurations. Its VOA and VOB outputs are sourced/sunk 0.5 A drivers with rail-to-rail swing (0 V to VDDA/VDDB). While it can drive P-channel high-side switches with inverted logic, Skyworks does not characterize or guarantee performance in that configuration - the SI8230AB-D-ISR datasheet specifies operation only with N-channel devices.
Is SI8230AB-D-ISR qualified for automotive applications?
No - SI8230AB-D-ISR is an industrial-grade part. Automotive qualification requires the "-A" suffix (e.g., SI8230AB-AS). The SI8230AB-D-ISR lacks AIAG-compliant PPAP documentation, IMDS/CAMDS listings, and zero-defect manufacturing flow validation required for automotive use. For AEC-Q100 Grade 1 compliance, specify SI8230AB-AS instead of SI8230AB-D-ISR.
SI8230AB-D-ISR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Skyworks Solutions Inc.
- Series:
- -
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Capacitive Coupling
- Number of Channels:
- 2
- Voltage - Isolation:
- 2500Vrms
- Common Mode Transient Immunity (Min):
- 20kV/µs
- Propagation Delay tpLH / tpHL (Max):
- 60ns, 60ns
- Pulse Width Distortion (Max):
- 5.6ns
- Rise / Fall Time (Typ):
- 20ns, 20ns (Max)
- Current - Output High, Low:
- 250mA, 500mA
- Current - Peak Output:
- 500mA
- 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:
- 16-SOIC
- Approval Agency:
- CQC, CSA, UR, VDE
SI8230AB-D-ISR FAQ
1.How can I place an order for SI8230AB-D-ISR through Aetrix?
Please submit a Request for Quotation (RFQ) for SI8230AB-D-ISR 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 SI8230AB-D-ISR reliable?
The price and inventory of SI8230AB-D-ISR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SI8230AB-D-ISR is usually 5 days.
3.What payment methods are accepted for SI8230AB-D-ISR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SI8230AB-D-ISR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SI8230AB-D-ISR?
SI8230AB-D-ISR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SI8230AB-D-ISR 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 SI8230AB-D-ISR?
For technical support, including SI8230AB-D-ISR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SI8230AB-D-ISR requirements.
6.How does Aetrix verify that SI8230AB-D-ISR is sourced from the original manufacturer or authorized distributors?
All SI8230AB-D-ISR 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 SI8230AB-D-ISR meets industry standards.
7.What is the process for return or replacement of SI8230AB-D-ISR?
All SI8230AB-D-ISR units undergo pre-shipment inspection (PSI). If there is an issue with SI8230AB-D-ISR, 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 SI8230AB-D-ISR part is unused and in its original packaging.
Return procedure for SI8230AB-D-ISR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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