BD8372EFJ-ME2

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Introduction

BD8372EFJ-ME2 is a LED driver IC manufactured by ROHM Semiconductor. It is categorized as a PMIC - LED Driver IC due to its various application fields and working principles. The IC is capable of driving up to 3 strings of LEDs, and has various lighting options available to provide optimal light for different applications.

Features

BD8372EFJ-ME2 has several features which make it a highly efficient and versatile IC. It has a dedicated external bias voltage adjustment input and can operate from 3.2V to 6.5V. The IC is capable of driving up to 3 strings of LEDs with steady state current regulation, leading to higher brightness and efficiency. It has an adjustable dimming response time, allowing for a smoother dimming effect. The IC also supports PWM dimming control, allowing for more control over the lighting.

Application fields

BD8372EFJ-ME2 has several application fields which make it widely used in various devices. It is used in LCD backlighting for TVs, notebook PCs, and other displays. The IC is also used in automotive lighting applications, such as rear combination light systems and instrument panel displays. The IC is also widely used in lighting for industrial applications, such as medical equipment and industrial machine control. The IC also provides power supply for LED lamp and color adjustment.

Working Principle

The BD8372EFJ-ME2 IC uses an inductor-capacitor (LC) converter to regulate the output current. The IC has an internal input voltage range of 3.2V to 6.5V which is used to provide a steady state output current. The IC also uses a pulse-width modulation (PWM) control circuit to adjust the current to match the light settings. The PWM control circuit is used to adjust the light intensity of the LED strings by adjusting the duty cycle. The IC also supports a brightness regulation function, which allows the light output to be adjusted depending on the operating environment.

Conclusion

BD8372EFJ-ME2 is a highly efficient and versatile LED driver IC manufactured by ROHM Semiconductor. The IC is categorized as a PMIC - LED Driver IC due to its various application fields and working principles. The IC is capable of driving up to 3 strings of LEDs, and has various lighting options available to provide optimal light for different applications. It has an adjustable dimming response time and supports PWM dimming control, allowing for more precise control over the lighting. The IC is widely used in LCD backlighting systems, automotive lighting applications, and industrial lighting applications.

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