MAX16842ASA+T

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The MAX16842ASA+T is a power management integrated circuit (PMIC) dedicated to LED drivers. It is designed to drive up to 4 high-current strings of LEDs, with a total output current of 2A. This IC offers a very efficient and easy-to-implement solution to drive LEDs in automotive, mobile, and other applications, such as cell phones, PDAs, digital cameras, and portable navigation devices.

The MAX16842ASA+T comes in a tiny 3mm x 3mm, 14-pin thin TDFN package that takes up less board space than competing solutions, making it ideal for applications where space is at a premium. It includes a TSOT-23 package with reduced external component needs and a 7-pin WL-CSP package for even more space savings.

The MAX16842ASA+T provides excellent efficiency due to a high voltage constant frequency peak current mode (PFCM) buck converter that can regulate LED currents up to 2A with a LED string voltage of up to 44V. The buck converter and topology reduce the number of external components needed for the LED driver, resulting in a smaller, simpler, and lower-cost solution when compared to competing solutions. This buck converter can also be configured to operate in voltage or current mode.

The MAX16842ASA+T has integrated protection features such as overcurrent, overvoltage, and thermal protection, which protect the device and the LED string from short circuit, or any other conditions that may cause damage or failure. The overcurrent protection limits LED current in cases when LED current is higher than programmed. The overvoltage protection prevents LED string voltage from exceeding the maximum voltage levels. The thermal protection prevents thermal runaway and reduces the need for additional thermal protection components.

The MAX16842ASA+T operates up to 3MHz, and is available in an operating temperature range from -40°C to +125°C, making it ideal for automotive, medical, industrial, and other applications. The device has an integrated high-side MOSFET, and can be used for both constant current and constant voltage applications, making it an ideal solution for driving LEDs in high-current, low-voltage applications. It also features adjustable switching frequency and a low-ripple constant current output that helps reduce electromagnetic interference (EMI).

In summary, the MAX16842ASA+T is an extremely versatile PMIC LED driver with many features and benefits that make it the perfect solution for driving LEDs in automotive, medical, industrial, and other high-current low-voltage applications. It provides a highly efficient and easily implemented solution, and is available in a variety of packages for optimal board space savings. With its built-in protections and adjustable features, the MAX16842ASA+T is the ideal LED driver for any application.

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