Isolated Gate Driver Silicon Labs Si8261BCC-C-IS with 5 KV Isolation Voltage and 4 Ampere Output Current
Si826x 5 KV LED EMULATOR INPUT, 4.0 A ISOLATED GATE DRIVERS
Product Overview
The Si826x isolators are pin-compatible, drop-in upgrades for popular opto-coupled gate drivers, offering enhanced performance and reliability. Utilizing proprietary silicon isolation technology, these drivers support up to 5.0 kVRMS withstand voltage and 10kV surge protection. They are ideal for driving power MOSFETs and IGBTs in inverter and motor control applications. The Si826x features a low-power diode emulator, rail-to-rail output voltage, and consistent propagation delay independent of input drive current, leading to longer service life and superior common-mode rejection compared to traditional opto-drivers.
Product Attributes
- Brand: Silicon Laboratories
- Technology: Proprietary silicon isolation technology
- Certifications: UL 1577 recognized, CSA component notice 5A approval, IEC 60950-1, IEC 60601-1, VDE certification conformity (VDE0884-10), CQC certification approval (GB4943.1)
- Compliance: RoHS-compliant packages
- Qualification: AEC-Q100 qualified
Technical Specifications
| Feature | Specification | Details |
|---|---|---|
| Product Series | Si826x | Isolated Gate Drivers |
| Isolation Voltage | Up to 5.0 kVRMS (UL1577) | 10kV surge protection (VDE 0884-10) |
| Peak Output Drive Current | 0.6 A and 4.0 A | Rail-to-rail output voltage |
| Propagation Delay | 60 ns (typical) | Independent of input drive current |
| Input Current Requirement | Lower than opto-couplers | LED emulator input |
| Common-Mode Transient Immunity (CMTI) | >50 kV/s (typical) | |
| Under Voltage Lockout (UVLO) | Multiple options: 5 V, 8 V, and 12 V | With hysteresis |
| Supply Voltage (VDD) | 6.5 V to 30 V | |
| Operating Temperature Range | 40 C to +125 C | |
| Package Types | SOIC-8 (Narrow body), DIP8, SDIP6 | RoHS-compliant |
| Applications | IGBT/MOSFET gate drives, Industrial/HEV/renewable energy inverters, AC/Brushless/DC motor controls, Variable speed motor control, Isolated switch mode and UPS power supplies | |
| Cross Reference Examples | ACPL-0302/3020, HCPL-3120/ACPL-3130, HCNW3120/3130, HPCL-3120, HPCL-0302, TLP350, ACPL-W314, TLP 700F | (Refer to Ordering Guide for specific part numbers) |
| Ordering Guide Example (Si8261BAC-C-IS) | 4.0 A driver | 5 V UVLO, 3.75 kVrms isolation, SOIC-8 package |
2412201620_SILICON-LABS-SI8261BCC-C-IS_C160667.pdf
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