MIC2287YD5-TR

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PMIC - LED Drivers are devices that are responsible for controlling the behavior of an LED device. This includes controlling the amount of power that is applied to the LED, as well as when it is activated or deactivated. The MIC2287YD5-TR is a PMIC - LED driver that is designed for high brightness applications. It is capable of delivering up to 5.4 Amp of current and providing up to 4.5V of output voltage. The device is also capable of adjustable pulse-width modulation (PWM) and dimming control.

Application Field

The MIC2287YD5-TR is primarily used in automotive, consumer, and industrial lighting applications. This includes LED backlighting, LED bar-graph displays, LED indicators, LED displays, LED modules, LED array products, LED strobe lights, LED headlights, LED taillights, LED fog lights, LED brake lights, LED signage, and LED emergency lighting. This device can also be used in applications such as smart lighting, architectural lighting, and HVAC systems.

Working Principle

The operating principle of the MIC2287YD5-TR PMIC - LED driver is based on a buck or boost current-mode regulator. This type of regulator is designed to maintain a constant current through the LED device by either boosting or bucking the input voltage. The device features an adjustable output voltage that can range from 4.0V to 5.4V and adjustable current limit from 500mA to 5.4A.

The MIC2287YD5-TR device operates in continuous conduction mode with its inductive components and includes an integrated load switch. This provides a high efficiency, low component count solution for LED lighting applications. Additionally, the device also includes a dedicated dimming/PWM pin that can be used to control the duty cycle, enabling the user to set the desired output level.

The MIC2287YD5-TR also includes a wide range of protections to ensure the device remains safe and reliable while operating in high temperatures. These protections include over-temperature, input under-voltage, output over-voltage, and output over-current protection.

Conclusion

The MIC2287YD5-TR is a high performance PMIC – LED driver designed for a wide range of lighting applications. It features an adjustable output voltage and current limit range, as well as integrated protections to ensure its safe and reliable operation. This device is perfect for automotive, consumer, and industrial lighting applications, as well as smart lighting, architectural lighting, HVAC systems, and many more.

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