ADP5520ACPZ-R7 Integrated Circuits (ICs)

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ADP5520ACPZ−R7 is a special power management IC (PMIC) designed for LED drivers specifically. As a PMIC, it is capable of managing a whole system\'s power supply while switching between AC power and internal battery power. It has multiple features and applications, as follows.

Input and Output Voltage:

ADP5520ACPZ−R7 allows for adjustable input voltage from 4 to 6 V DC and adjustable LED driver out voltage from 0 to 6 V DC. This allows for an optimum voltage level for any given LED it is connected to. It also supports a maximum output current of 1 A, allowing it to be suitable for a whole range of LEDs.

LED Dimming:

ADP5520ACPZ−R7 supports a variety of different dimming modes and has adjustable dimming based on user-defined light curves. It supports 0-10V and PWM dimming and has a variety of dimming curves available for different lighting applications. This makes for a much more precise and efficient dimming control.

Built-in Protection:

ADP5520ACPZ−R7 comes with built-in over-voltage, over-temperature, and current-limit protection. It has an adjustable current limit setting, to ensure that the LEDs are always running safely and optimally. It also has a shutdown mode that allows it to switch off and becomes inactive if the over-voltage or over-temperature thresholds are breached. This helps to ensure further safety and reduce the possibility of LED failure.

Other Features:

ADP5520ACPZ−R7 supports an I2C bus control feature that allows it to be integrated easily into control environments. It also has a low-noise regulator built-in, ensuring that its output generated is clean and noise-free. This makes it suitable for many different applications, from automotive lighting to outdoor lighting.

Working Principle:

ADP5520ACPZ−R7 follows a simple working principle. When it receives an AC power input, it will switch the LED driver outputs from AC power to internal battery. The primary purpose of this PMIC is to provide a measure of protection against any power fluctuations. It will detect any abnormalities or discrepancies in the power input, like over-voltage or under-voltage and will take necessary protective measures to protect the LED driver and its connected LEDs.

Conclusion:

ADP5520ACPZ−R7 is a reliable and efficient PMIC designed specifically for LED drivers. It has many features and applications, such as adjustable input and output voltage, adjustable current limit, dimming support, and many more. It’s also designed to protect against over-voltage and over-temperature to ensure safe operation and reduce the chance of LED failure. It’s a market-leading product and is widely used in many different lighting applications.

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