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IGBT control – induction cooker

iW248

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Integrated IGBT Driver, Optimized State Machine and Advanced Protection Features

The iW248 provides a unique combination of digital controller and analog driver blocks in one IC, providing 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, plus an optimized state machine digital core that replaces a traditional microcontroller, the iW248 significantly reduces solution size and eliminates up to 35 components.

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

Features

Integrated IGBT Controller

  • Valley-mode Switching Control

Optimized State Machine Core

  • Eliminates Need for MCU

Low-power Continuous-Mode Operation with 10W Resolution Power Control

Built-in Pot Detection Circuit

  • Protects IGBT from Damage

Multiple Protection Features, Including Programmable:

  • Over-voltage Protection – IGBT Collector
  • Three Dedicated Over-temperature Protection Pins
  • Input Surge Protection
  • Output Power Compensation

DLNK – isolated communication protocol

  • I2C – non-isolated communication

Applications

Induction heating applications

Rice cookers

Block Diagrams

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Typical Applications Diagram

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Functional Block Diagram

To order a sample of any of our products, please complete the following form. We will provide up to five parts free of charge. Our sales department will provide pricing for samples orders exceeding five parts.

Sample Request Form

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Datasheets
Name Date Version
iW248 Datasheet (1.15 MB) 12/10/2020 1.2

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iW248 video

Watch and learn why iW248 is an optimized solution for driving induction heating elements

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