LP8556SQ-E08/NOPB

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The LP8556SQ-E08/NOPB belongs to power management integrated circuit (PMIC) – LED drivers, which provides 6 channel LED controllers. This system is highly efficient and comes with numerous features that make it ideal for lighting applications. It has built-in adjustable current regulation, over temperature protection and provides wide dimming range.

This LED driver offers 6 programmable current outputs. It has an input voltage range of 4.5V~36V and output voltage range of 16V~100V. Its peak output current can be set up to 7A per channel, and its maximum output power is 0.75W across six channels. It also has a thermal protection which turns off the channel output in case the channel temperature exceeds 145°C.

The working principle of the LP8556SQ-E08/NOPB is similar to that of other PMIC-LED drivers. It is based on a switch mode power supply (SMPS) topology, a type of electronic circuit used to convert electrical power. The SMPS operates by taking a relatively high input DC voltage and corresponding current, and delivers to a load an adjustable output AC or DC voltage. In the LP8556SQ-E08/NOPB, the SMPS is used to convert the adapter’s voltage and current into the correct voltage and current required to drive the LED (normally the LED require 3-4V and a few hundred mA).

In order to control its LED drivers channels, the LP8556SQ-E08/NOPB uses pulse width modulation (PWM). This is a form of signal modulation that varies the width of the pulse in relation to the incoming signal. The LP8556SQ-E08/NOPB uses the PWM signal to regulate the output current of each LED channel. The pulse width can be adjusted to control the dimming of each LED dimmable channels, and precise control of individual LEDs is possible.

The LP8556SQ-E08/NOPB is ideal for LED lighting applications, such as LED strip lights, LED outdoor lighting, LED traffic signal, LED holiday light and LED retrofitting. It offers excellent efficiency, adjustable current regulation and protection from over temperature. With its precise, energy-saving and multi channelled design, it can provide unprecedented light experience to consumers, adding safety and style.

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