IH Cooking Heater Block Diagram

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Power Supply IC LED Driver Switching Driver Speaker Driver IGBT Driver Op-Amp. Op-Amp. Temp. Sensor Motor Driver PFC

    (IGBT Driver)

    products Features
    NJW4840 High Speed Switching Gate Driver
    NJW4841 1-channel Switching Gate Driver

    (AC/DC Converter) Power Supply IC

    products Features
    NJW4790 Quasi-Resonant RCC Controller IC for AC-DC

    (DC/DC Converter) Power Supply IC

    products Features
    NJM2392 PWM DC/DC Converter IC
    NJW1616 600mA, 500kHz, Step-Down Switching Regulator in SOT-23
    NJW4171 2.4MHz, 2.5A MOSFET Switching Regulator IC for Buck Converter
    NJW4177 Internal 2A MOSFET Switching Regulator IC for Synchronous Buck Converter

    (LDO) Power Supply IC

    products Features
    NJM11100 Adjustable Low Dropout Regulator with Reverse Current Protection
    NJM2830 Low Dropout Voltage Regulator
    NJM78 Series 3-Terminal Positive Voltage Regulator

    (Voltage Detector) Power Supply IC

    products Features
    NJU7700 Voltage Detector
    NJU7701 Voltage Detector
    NJU7704 Voltage Detector
    NJU7705 Voltage Detector
    NJU7706 Voltage Detector
    NJU7707 Voltage Detector

    (LED Driver)

    products Features
    NJW4615A Constant Current LED Driver with PWM Dimming Control
    NJW4828-B Parallel Input 8-channel Sink Driver

    (Switching Driver)

    products Features
    NJU7386 Low Voltage Operation H-Bridge Driver
    NJW4810A Dual Half Bridge Driver

    (Speaker Driver)

    products Features
    NJU7089 High-Power & Low-Voltage Audio Power Amplifier
    NJU8759 Analog Signal Input Monaural Filter Less 3.0W Class-D Amplifier


    products Features
    NJU77552 1.7MHz, 50µA/ch, Excellent EMI Immunity, Rail-to-Rail Input/Output, Operational Amplifier
    NJU7077 Precision, Low Noise, Rail-to-Rail Output, Excellent EMI Immunity, CMOS Operational Amplifiers
    NJU77252 High-Speed Rail-to-Rail Input, Push-Pull Output CMOS Comparators

    (Temperature Sensor)

    products Features
    NJL6401R-3 COBP High Speed Photo Diode
    NJL6402R-2 COBP Photo Diode for Front Monitor
    NJL6414R Photo Diode
    NJL6195R Photo Diode

    (Motor Driver)

    products Features
    NJW4320 24V Single Phase Brushless DC Motor Driver
    NJW4321 24V Single Phase Brushless DC Motor Driver


    products Features
    Ricoh Electronic Devices Co., Ltd.
    PFC/LED Driver Controller
    R1700 Series 650 V Variable Output Current/Voltage ZVS PFC/LED Driver Controller