PCA9551PW,118

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The PCA9551PW,118 LED Driver is a popular integrated circuit that is designed for LED-based illumination circuits in both linear and constant LED current applications. This device integrates a low-power, high-performance IGBT driving circuit along with a wide range of LED current drive and voltage measuring options. Its integrated voltage measuring options enable users to measure the forward and reverse biases of the LED\'s in order to more accurately control the LED current.

The PCA9551PW,118 LED Driver is also capable of driving pulsed LED current and providing current overtemperature protection. It is capable of delivering up to 4.20 Amps of LED current and offers additional protection against inductive kickback, helping ensure high reliability and LED current measurement accuracy. Additionally, the device can switch up to one 120 W LED load.

The PCA9551PW,118 LED Driver is available in a space-saving, 5mm x 5mm QFN-20 package with an exposed pad, making it ideal for a wide variety of SSL applications, such as general indoor and outdoor lighting applications, decorative lighting, and automotive OEM applications. The device also supports a wide range of voltage levels, including 24 VDC input, 10 VDC output, and 15V ripple on the output.

In addition to its power and voltage capabilities, the PCA9551PW,118 LED Driver features a wide range of features, including pulse-width-modulated (PWM) and direct-digital-controlled (DDC) dimming, as well as programmable constant current source (CCS) and current-control modes that enable a wide range of LED current configurations.

The PCA9551PW,118 LED Driver is capable of acting as a direct-digital-controlled (DDC) dimmer, which can control the LED current up to a maximum of 4.2A. It can also act as a pulse-width-modulated (PWM) dimmer, allowing for a wide range of LED current options. Additionally, the device supports programmable constant current (CCS) and current-control modes, allowing for further flexibility in LED current configuration.

The PCA9551PW,118 LED Driver is an ideal solution for a wide range of SSL applications, thanks to its high performance, wide range of features, and ability to easily configure and control LED current. This device is ideal for applications such as decorative lighting, general indoor and outdoor lighting, automotive OEM lighting, and any number of other illumination applications.

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