ADP16550001ACBZR

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Base Part Number:	ADP1655
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Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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](https://www.github.com/junx2jia/)ADP16550001ACBZR Application Field and Working Principle The ADP16550001ACBZR is a high performance, low cost power supply driven, Constant Current Linear LED Driver IC. As a PMIC - LED driver, it has been designed to drive high-power LEDs with higher precision and efficiency than traditional LED drivers. It offers wide input voltage range and a built-in LED current monitoring function, making it ideal for LED applications.The ADP16550001ACBZR is applicable to any LED driver circuit, especially when the LED needs to be driven with a constant current. It is most suitable for the industry-standard 2-step constant-dimming functions with its wide range of output current selection pins. Applications such as LED display panels, LCD backlights, general switching mode power supplies in automotive, industrial, medical and consumer sectors are all benefiting from this LED driver IC.The main features of the ADP16550001ACBZR are low power consumption, high-efficiency and low ripple. Its low power consumption allows it to run in demanding applications by minimizing energy losses, while its high-efficiency ensures no wasteful heating at normal operating conditions. Additionally, its low ripple contributes to the overall performance of the LED driver circuit and helps deliver a uniform, efficient light. The ADP16550001ACBZR is designed using a current-mode switching technique and features a fast-start shutdown function for precise current control, enabling precise and efficient current delivery to LEDs that lessens the power dissipation caused by the LED filament and thus reduces overall LED power losses. The LED driver offers a range of output currents from 350mA to 1000mA, which can be pre-set via external resistors and a voltage regulator.The working principle of the ADP16550001ACBZR is based on a very simple concept. When an input voltage is applied across the LED, it will produce an output current which will be determined by the applied output voltage and the current limiting resistor. The LED driver consists of an internal linear regulator, an internal current limit circuit, and an output voltage regulator, which together act to limit the amount of current that can be delivered to the LED. Once the LED’s output current reaches its preset limit, the LED driver will regulate the LED’s output voltage to a lower level and thus limit the current draw. The ADP16550001ACBZR can also be used to control multiple LEDs by expanding the current limit resistor’s parameter range. This feature makes it suitable for driving large clusters of LEDs or for applications requiring variable current outputs. Furthermore, it provides flexible dimming and brightness control options, allowing LEDs to be dimmed or operated at different intensities. In conclusion, the ADP16550001ACBZR is a high performance, low cost power supply driven, Constant Current Linear LED Driver IC. It can be used for driving small to large clusters of LEDs in applications such as LED displays, LCD backlights, and general switching mode power supplies in automotive, industrial, medical and consumer sectors. The wide input voltage range and built-in LED current monitoring function make it ideal for driving high-power LEDs with higher precision and efficiency than traditional LED drivers.

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