AL1677-20BS-13 Integrated Circuits (ICs)

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The AL1677-20BS-13 is a PMIC – LED Drivers, whichhas a wide range of applications in many industries. It isused in a variety of applications, including lighting, automotive,medical, and energy. This LED Driver is an efficient and reliableway to provide direct-drive LED lighting and control signals withlow power consumption.

The features of the AL1677-20BS-13 include 15-kHz PWMfrequency range, an adjustable output current range of 0 to 7 Amps,and an adjustable switch current range of 0 to 2.5 Amps. TheLED Driver is able to provide a maximum power output of 166 Watts,allowing it to control up to 13 LEDs simultaneously. The devicealso has the ability to control up to six groups of LEDs withindividual control and dimming. Additionally, the AL1677-20BS-13 utilizes pulse width modulation (PWM) for dimming and controlof the LEDs.

The AL1677-20BS-13 is designed to handle a wide range ofinput voltages from 9 to 30 volts, and its EMI suppression isdesigned to meet EMC/EMI standards. The device also has an adjustable PWM frequency of up to 15 kHz, making it suitable forapplications that require faster switching speeds. In addition, thedevice has thermal shutdown protection, which will shut down theLED driver to prevent damage if the temperature rises above thedesigned threshold.

The working principle of the AL1677-20BS-13 is that it usesa pulse width modulation (PWM) current-controlled dimming toprovide precise control over the LED brightness with a lowcurrent consumption. The PWM frequency can be adjusted foreach individual LED, allowing for a smooth, fade-free dimming.The output current is adjustable, enabling the brightness of theLEDs to be set to desired levels. It also has a low-voltagedrop feature, which allows for the LED driver to maintain itsoutput even when the input voltage drops.

The AL1677-20BS-13 LED driver has a wide range ofapplications, such as automotive lighting, medical equipment,industrial equipment, and energy-saving lighting systems. It isa reliable and efficient solution for providing direct-drive LEDlighting and control signals with low-power consumption. Thedevice’s adjustable output current range, PWM frequency range,and thermal shutdown features make it an ideal choice forapplications requiring precise LED dimming, consistent LEDlightness, and protection against overheating.

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