MP4034GS

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MP4034GS is a PMIC-LED Driver in a small form factor package, developed by Microchip Technology. It provides an adjustable constant current LED driver with a current range of 5mA to 500mA. The LED driver can support up to three LED outputs in one package. The output current of each channel can be independently configured by two current setting resistors connected to the CTRL0 and CTRL1 pins respectively. The MP4034GS offers a great combination of compact size and cost-effectiveness.

The MP4034GS offers integrated control functions, including thermal and short-circuit protection, as well as built-in open-LED fault detection. In addition, the MP4034GS also offers an input voltage range of 4.5V-30V, and a wide operating temperature range of -40°C to +125°C.

The MP4034GS is especially suited for a wide range of LED-based applications, such as automotive interior and exterior lighting, handheld device lighting, and consumer electronics. Its compact size makes it suitable for space-constrained applications. The MP4034GS is highly efficient and is designed to deliver over 95% power efficiency.

Working Principle: The MP4034GS is designed to provide constant current at a preset value to the connected LEDs regardless of variations in the supply voltage, or changes in the input current or ambient temperature. To set the desired current output, the user needs to connect two resistors, connected to the CTRL0 and CTRL1 pins, to set the desired output current. The MP4034GS then measures the voltage at the two pins, and adjusts the internal current sets the output current to the desired preset level.

The MP4034GS is designed to be used with surface-mount LEDs. It can be used with current-controlled LEDs as well as also voltage-driven LEDs. The MP4034GS is capable of driving up to three LEDs in series, with each channel delivering a maximum output current of 500mA. The MP4034GS offers various integrated control features, including thermal protection and open-LED fault detection.

To summarize, the MP4034GS is an ideal PMIC-LED driver for a wide range of LED-based applications. Its small form factor enables it to be used in space-constrained designs. Its adjustable output current allows it to be used with both current and voltage-driven LEDs. In addition, it has various integrated control features, making it a highly efficient LED driver.

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