MAX16814BUUP+

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The MAX16814BUUP+ is a unique, wide voltage-input, low-side LED driver from Maxim Integrated Products. It is categorized as a PMIC – LED Drivers and is suitable for driving single or multiple LEDs from four series-connected cells. This article will discuss the application fields and working principle of the MAX16814BUUP+.

The MAX16814BUUP+ utilizes Maxim Integrated’s patented High-Side Gate-Drive Technology (HSGT) to achieve a high output current of up to 1 A. The LED driver is designed to operate with a wide input voltage range of 2.8 V to 30 V and offers a low standby current of only 4 μA. The MAX16814BUUP+ is suitable for a variety of applications, including automotive, communication, industrial, and medical equipment.

The MAX16814BUUP+ offers efficient operation with wide dimming combinations and temperature compensation. The driver also has integrated fault protection systems that protect LEDs from short circuits, over-voltage, and over-current. All these features make the MAX16814BUUP+ an ideal choice for driving multiple LEDs in series.

The MAX16814BUUP+ is a low-side LED driver that drives an LED directly by controlling the gate of a power MOSFET. This MOSFET is used to drive the LED with a ground source and provides protection from short circuiting the LED. The MAX16814BUUP+ has a built-in current sink that drives the gate of the MOSFET via a voltage controlled current source and a low-side current sensing resistor. The voltage and current of the LED can be controlled either internally with a voltage or externally with an analog signal.

The MAX16814BUUP+ also provides an enable pin, which can be used to enable or disable the LED driver. This enable pin allows for improved brightness control and active low enable for external digital control. The MAX16814BUUP+ also includes an enable pin for dimming with enable or disable modes.

The MAX16814BUUP+ offers a range of protection features, including over-voltage protection and open LED detection. The device also has short-circuit protection, allowing the LED driver to continue operating even if the LED is short-circuited. Additionally, the MAX16814BUUP+ provides thermal-shutdown protection, which enables the LED driver to shut down when the junction temperature of the MOSFET exceeds the pre-defined temperature.

The MAX16814BUUP+ is a high efficiency, easy-to-use, low-voltage solution for driving single or multiple LEDs. It offers wide dimming combinations and temperature compensation, as well as integrated fault protection systems for LEDs. The MAX16814BUUP+ is suitable for a variety of applications, including automotive, communication, industrial, and medical equipment.

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