MAX8751ETJ-T

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Integrated circuits have become more and more present in our lives and also industry. LED drivers, switched mode power supplies and LTCCs (low-temperature co-fired ceramics) are some of the types of integrated circuits used by companies around the world. Among these, one of the most renown ones is the MAX8751ETJ-T, known for its application field in lighting and ballast controllers.

MAX8751ETJ-T integrated circuits, belonging to the family of PMICs (Power Management Integrated circuits), were created with the goal of enabling non-isolated DC/DC converters, integrating together the components of control, hot-swap and power monitoring functions into a single package. Overall, this integrated circuit which comes in a 6.3 x 6.3mm, 16-QFN package helps with the reduction of not just PCB size but also development time.

MAX8751ETJ-T is great for ballast controls, for it’s able to work with low-field analog dimming such as phase-cut dimming in double-sided approaches. This makes it capable of maintaining the light output of a full-power condition even if is connected to a low-field dimmers, which makes it a great product for ballast sensor controls.

In terms of its application in lighting, as stated, this integrated circuit is great for ballast controls, but also works well with lighting applications, it includes a 2-channel, hot-swap controller, allowing for the supply of higher inductive and resistive loads. It’s also great for adjustable concentrator arrays, dimmers or conversion of 12 or 24V DC bus voltage to high voltage AC supply. MAX8751ETJ-T also includes two buck converters to save power.

Moreover, other features that make MAX8751ETJ-T a great product includes its short-circuit protection and circuitry, reverse current protection with adjustable threshold levels, over-voltage protection and latch for fault conditions. It also has an active-low MAX_INT status pin which indicates the presence of an output fault and several built-in safety precautions.

In terms of its working principle, MAX8751ETJ-T has several connections and pins. First, it has its Phase-Cut pin, PCU and PCV, which are utilised for input voltage and feedback for phase-cut dimming control. Then, you have the BST^ input pin, which functions as a voltage sense from the output of the buck converter which controls the sensing limit. Additional pins include the EOC pin, which defines the end of charge, the en_bat pin, which turns on the boost regulator, and the MAX_INT pin, which indicates the presence of an output fault.

In short, MAX8751ETJ-T is part of something known as a PMIC, this integrated circuit has application fields in lighting, ballast controllers as it includes two-channel, hot-swap controllers and two buck converters. Moreover, it works by utilising its several pins, each of them working independently to achieve the desired results.

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