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Thread: Ice5ar477ag

  1. #1
    New Member New Member levnemets is on a distinguished road
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    Ice5ar477ag

    Hello, What is the best way to disable (turn OFF) ICE5AR477AG ? Is it possible to short GATE pin for this purpose or to short (or reduce voltage) on pin Vcc? Thanks

  2. #2

    Infineon Employee
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    Srivatsa is on a distinguished road
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    Hi, The ICE5AR477AG is a CoolSET™ device with integrated high voltage MOSFETs.

    You can look into the design guide for this device at https://www.infineon.com/dgdl/Infine...61e74874f634ce

    Here it says, during operation, the VCC voltage is continuously monitored. If VCC is either below VVCC_OFF for 50 s (tVCC_OFF_B) or above VVCC_OVP for 55 s (tVCC_OVP_B), the power MOSFET is kept switched off. After the VCC voltage falls below the threshold VVCCoff,
    the new start-up sequence is activated. The VCC capacitor is then charged up. Once the voltage exceeds the threshold VVCC_ON, the IC begins to operate with a new soft-start. This option should give a clean shutdown and start-up after every disable.

    For further recommendations pls contact local Infineon sales or field application engineers.
    The views expressed here are my personal opinions, have not been reviewed or authorized by Infineon and do not necessarily represent the views of Infineon.

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