MCZ5606SC / MCZ5607SC

Application Note


Overview/Features

The MCZ5606SC and MCZ5607SC are two-input/two-output high-side/low-side driver ICs for driving power devices such as power MOSFETs and IGBTs.
They incorporate a 622V withstand voltage level shift circuit and a 22V withstand voltage driver.
They are suitable for use in a wide range of applications, including inverter circuits and AC/DC or DC/DC power supplies. They incorporate a simultaneous ON prevention protection function to prevent through current occurring by canceling the output if ON signals are input to two input pins simultaneously.

1.　High-side withstand voltage: 622V
2.　2-input/2-output high-side/low-side driver
3.　Source current I_source = 220mA, sink current I_sink = 450mA
4.　ton=240ns、toff=270ns、tr=75ns、tf=30ns
5.　Supports both input 5V and input 3.3V logic
6.　Incorporates UVLO/simultaneous ON prevention protection function
7.　High-side dVS/dt tolerance: 50V/ns
8.　The MCZ5606SC and MCZ5607SC have different pin assignments.


Application Note Contents

1. Overview
    1.1 Features
    1.2 Standard circuit diagram
    1.3 Block diagram
    1.4 Pin assignment diagram
    1.5 Pin function list
2. Specifications
    2.1 Absolute maximum ratings
    2.2 Recommended operating conditions
    2.3 Electrical characteristics
    2.4 Typical characteristic curves (Reference curves)
    2.5 Truth table
3. Explanation of Functions
    3.1 UVLO (Under Voltage Lock Out) function
    3.2 Simultaneous ON prevention function
4. Design Precautions
    4.1 High-side drive using a bootstrap circuit
        4.1.1 Bootstrap circuit basic operation
        4.1.2 Bootstrap capacitor C5
        4.1.3 Bootstrap diode D1
        4.1.4 Inrush current protection resistance R3
        4.1.5 Precautions when driving an IGBT
    4.2 Vcc capacitor
    4.3 Input signal dead time
    4.4 Gate resistance
    4.5 Self turn-on
    4.6 VS pin negative voltage
    4.7 Minimum input signal pulse time
5. Pattern Design Precautions
6. Example Application Circuits

Example Circuits


  • example using MCZ5606SC

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