7Semi UCC21331 Dual-channel Isolated Gate Driver Breakout

This breakout board features the TI UCC21331 dual‑channel isolated gate driver IC. It provides high‑current isolated gate drive for MOSFETs, SiC/GaN devices and IGBTs in demanding high‑voltage power systems. With a 3 kVrms isolation barrier and advanced protection features, the module is suitable for robust, high‑efficiency switching designs.

Technical Specifications:

• Channels: Dual (2 outputs)
• Peak source current: ~4 A (typical)
• Peak sink current: ~6 A (typical)
• Isolation rating: 3 kVrms between logic and output sides
• Common‑mode transient immunity (CMTI): ≥125 V/ns
• Logic input supply (VCCI): 3.0 V to 5.5 V
• Output drive supply voltage (VDD): Up to ~25 V
• Propagation delay: ~33 ns (typical)
• Delay matching: ≤ 5 ns (maximum)
• Pulse‑width distortion: ≤ 6 ns (maximum)
• Operating temperature range: –40 °C to +150 °C (junction)
• Configurations supported: dual low‑side, dual high‑side, or half‑bridge driver
• Package: SOIC‑16 / breakout board format

Features:

• Dual isolated gate drivers for independent or half‑bridge applications
• High source/sink currents for fast switching of power devices
• Built‑in galvanic isolation for safe separation of logic and high‑voltage domains
• Programmable dead time and dedicated disable pin for safe switching control
• Low propagation delay and low skew between channels for precise timing
• Compatible with 3.3 V and 5 V logic systems
• Compact breakout board format for easy integration
• Wide temperature and voltage range suitable for automotive and industrial applications

Applications:

• Driving MOSFETs, IGBTs or SiC/GaN transistors in high‑voltage converters
• Isolated DC‑DC converters and AC‑DC power supplies
• Motor drives, robotics and industrial automation requiring isolated gate control
• Solar inverters, power optimizers and high‑voltage switching systems
• Embedded power electronics and high‑voltage domains needing separation from logic
• Automotive systems, telecom power converters and industrial control platforms