PCA9633D16,112

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PCA9633D16/112, a product of Texas Instruments, INC., is a member of the PCA9633 Dimming Output Sink driver family. The device can be used to dim both LEDs and incandescent lamps and can be configured together to drive strings of both LEDs and incandescent lamps. As a part of PMIC - LED drivers, PCA9633D16/112 works with a simple power architecture that simplifies design and reduces cost.

The main application fields of PCA9633D16/112 are digital signage, automotive lighting systems and lighting controllers, and architectural lighting. This product provides an easy way to control the brightness of LEDs and incandescent lamps in any digital signage application or automotive lighting system. It can be used for emergency lighting controllers, architectural lighting controllers, and other types of lighting systems. It is also suitable for products with multiple LEDs that require dimming.

The working principles of PCA9633D16/112 are based on Texas Instruments\' Reversing Current Limiting (RCL) architecture. With this architecture, it is possible to control the brightness of LEDs without the need for a linear regulator. Instead, the LEDs are dimmed with a combination of a series resistor and an external P-channel MOSFET, which limits the current to the desired level. The voltage-setting resistor adjusts the maximum current that is allowed to flow through the MOSFET, while the dimming signal adjusts the on-time of the MOSFET. This technique offers a cost-effective and efficient method to dim a variety of LEDs and incandescent lamps.

The PCA9633D16/112 is designed to improve system reliability, reduce cost and make design easier. By having the driver integrated into the mainboard, there is no need for extra wiring. The device is capable of driving either single or multiple channels, and its dimming signal inputs are compatible with a variety of low voltage dimmers. The device also has built-in fault protection and an integrated thermal shutdown.

PCA9633D16/112 is an optimized integrated power solution for lighting, automotive, and digital signage applications. By utilizing Texas Instruments\' Reversing Current Limiting (RCL) architecture, the device provides system designers with an efficient way to dim LEDs and incandescent lamps while maintaining system reliability and reducing design complexity and cost. PCA9633D16/112 is the ideal solution for those who need to save time and reduce cost while designing products with dimmable LEDs and incandescent lamps.

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