ISL97671AIRZ-T

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ISL97671AIRZ-T is a device from Intersil’s ISLX family of PMICs (power management integrated circuits). This device is a highly integrated PMIC and LED driver specifically designed for use in robust, low power applications such as automotive headlight and instrument lighting control.The ISL97671AIRZ-T supports two independent channels for driving high-power LEDs. Each channel supports up to 4 LEDs in series. The current regulation loop is guaranteed to work correctly with LED gate resistances as low as 1 ohm. The maximum current that each channel can carry is limited to 4.5A by the internal power transistor.The LED indicator can be controlled by an external MCU or a built-in PWM controller. There are a total of four PWM signals to be used. The ISL97671AIRZ-T also contains embedded safety features such as over-current protection, thermal shutdown, current-foldback, over-voltage protection, and short-circuit protection.In summary, the ISL97671AIRZ-T is an ideal solution for automotive LED lighting applications. It is a cost-effective, integrated solution for controlling current over two LED strings. It offers robust protection against current, voltage, and temperature overshoot. Additionally, the device provides LED dimming and blinking control through either the four PWM signals or external MCU control.

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