Product Launch | Introducing the XJ1801 Three-Phase 250V Gate Driver — Powering the Next Generation of UAVs

Author: IC Design Department | Wuxi Silicon Source Technology Co., Ltd.
Release Date: July 2025

Overview

As electric propulsion and UAV motor control systems advance rapidly, the demand for compact, efficient, and robust gate driver ICs continues to rise. Wuxi Silicon Source Technology Co., Ltd. (SISTC), a leading provider of semiconductor components and intelligent sensors, proudly announces the release of the XJ1801, a high-performance, three-phase 250V gate driver tailored for drone ESC (electronic speed controller) applications.

This new chip was developed by SISTC’s in-house IC design team and addresses critical challenges in high-speed BLDC motor control, especially in space-constrained UAV platforms such as quadcopters, VTOLs, and electric fixed-wing aircraft.

👉 Explore all MEMS and driver products at SISTC

XJ1801

XJ1801 Key Features

The XJ1801 gate driver is a fully integrated solution that simplifies the power stage architecture of modern drone propulsion systems. It supports N-channel MOSFET and IGBT driving, with embedded safety features and ultra-low propagation delay.

Highlighted Features:

  • 250V high-side operating voltage
  • Three-phase half-bridge gate driver, ±2A peak output current
  • <250ns propagation delay, supports up to 300kHz PWM switching
  • Bootstrap support for high-side MOSFET drive
  • Built-in undervoltage lockout (UVLO), dead-time control, and shoot-through protection
  • Available in SOP20 / QFN24 compact packages
  • Compatible with 3.3V / 5V logic-level control signals

🧠 Want to know how bootstrap circuits work in high-side drivers? Learn more here »

Why XJ1801 is Perfect for UAV ESC Systems

Unmanned aerial vehicles require fast, precise, and efficient motor control to ensure smooth flight dynamics and energy optimization. The XJ1801 is purpose-built for UAV ESC modules with:

  • High PWM frequency support for stable flight control loops
  • Compact footprint ideal for size-limited ESC boards
  • High-reliability gate protection for demanding environmental conditions
  • Optimized for multirotor drones, VTOL aircraft, and hybrid fixed-wing systems

Developed by Experts — The Chip Behind the Breakthrough

The XJ1801 was engineered by SISTC’s semiconductor design department, leveraging deep expertise in analog power ICs and motor control architectures. From schematic simulation to silicon verification, every step in the development process prioritized system-level reliability, efficiency, and manufacturability.

🧩 The product passed multiple UAV field verification tests and is compatible with most popular drone control MCUs and flight controllers (e.g., STM32, ESP32, TI C2000).

Typical Applications

  • UAV electronic speed controllers (ESCs)
  • Electric propulsion modules for drones and eVTOLs
  • Robotics servo systems
  • Compact motor drive controllers
  • High-frequency power tools and light inverters

👉 Looking for drone propulsion systems? View compatible solutions »

Packaging & Specifications

  • Available in: SOP-20 / QFN-24
  • Recommended VCC: 10V–20V
  • Operating Temp Range: -40°C ~ +125°C
  • Supports MOSFET/IGBT topology

📄 Download the XJ1801 Datasheet (PDF)
📧 Request technical support: sales@sistc.com

Conclusion

With the launch of the XJ1801, SISTC reinforces its role as a key enabler of intelligent motor control in next-generation drone platforms. By combining compact design, industrial reliability, and high-speed capability, the XJ1801 empowers engineers to build smarter, safer, and more efficient UAV propulsion systems.

🌐 Visit our official website to learn more: https://www.sistc.com
📬 Contact our technical team: info@sistc.com

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