MAX16814BEUP+T

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MAX16814BEUP+T, a PMIC - LED driver, enables high-efficiency, high-current drive capability for general purpose LED lighting applications that require a constant current source. With its fully integrated, shallow form factor, the MAX16814BEUP+T is the optimum choice for space-constrained designs.

The basic working principle of the MAX16814BEUP+T is to provide a constant-current (CC) source to drive the LED array while minimizing power dissipation and increasing efficiency. This is implemented through its integrated buck and boost architecture, which ensures a constant LED current regardless of LED forward voltage variations due to manufacturing and temperature.

The MAX16814BEUP+T features a wide input voltage range of 4.0V to 60V, and offers three selectable operating modes: CC, normal and flicker-free dimming. It provides up to 1A of CC current while maintaining high power efficiency, and the boost stage allows load disconnection in CC mode without needing a decoupling capacitor. The CC mode further offers four modes of CC operation, namely, true charge control, textured charge control, CC mode using an external resistor, and CC with symmetrical current.

The device also features an integrated analog dimming control that allows flicker-free dimming from 0.1% to100% with no additional external components. This dimming control is driven by the input voltage and has automatic on-the-fly dimming for various input voltages. Furthermore, the temperature compensation mechanism ensures that the LED current does not drift with temperature.

MAX16814BEUP+T is ideal for automotive, industrial, and consumer lighting applications, such as lighting components, garden lighting, panel lighting, and vehicle lighting. It is trusted by many automotive and industrial manufacturers due to its ease of use, robust operation, and space-saving shallow form factor.

The MAX16814BEUP+T uses a highly efficient buck-boost architecture to achieve high efficiency, and is designed to meet the stringent requirements of the automotive and industrial markets. The buck-boost architecture boosts the input voltage, allowing for a lower internal DC/DC converter chip count and eliminating the need for a costly external diode. The efficiency of the MAX16814BEUP+T also remains high even when dimming down from maximum LED current.

The MAX16814BEUP+T also offers a wide array of Protection Features, such as over temperature protection, LED open or short LED protection, LED overvoltage protection, overcurrent protection, and undervoltage protection. These features protect the LED string and the device during normal operations and fault conditions, ensuring a safe and reliable operation.

The MAX16814BEUP+T is a compact, robust, and reliable device that allows for efficient LED driving in a wide range of applications. It helps to reduce design complexity and cost, offering a solution for demanding applications that requires high current drive capability, small form factor, and a wide range of dimming and protection features.

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