IW248 Smart IGBT Controller

IW248 Smart IGBT Controller

The iW248 provides the digital controller and analog driver blocks in one IC, which results in an optimized solution for driving induction heating elements in rice cookers and induction cooktop appliances. Integrating virtually all discrete components normally used to drive and protect IGBTs, and an optimized state machine digital core that replaces a traditional microcontroller. iW248 significantly reduces the size of solutions and eliminates up to 35 components.

The iW248 also features a proprietary low-power continuous mode. It allows for smooth operation at low-power states and control in 10W increments for induction cooktop applications up to 2100W.

Features:

• Low Power-Continuous Mode Operation with 10W Resolution Power Control
• Built-in Pot Detection Circuit
• Protects IGBT from Damage
• Integrated IGBT Controller
  • Valley-mode Switching Control
• Optimized State Machine Core
  • Eliminates Need for MCU
• Multiple Protection Features, Including Programmable:
  • Overvoltage Protection – IGBT Collector
  • Three Dedicated Over-temperature Protection Pins
  • Input Surge Protection
  • Output Power Compensation
• DLNK – Isolated Communication Protocol
  • I²C – Non-isolated Communication

Application

• Induction Heating Rice Cooker
• High-Efficiency Induction Heaters
• Induction Heating Applications
• Rice Cookers