A6277ELW-T

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A 6277ELW-T is an application field of Power Management Integrated Chip (PMIC) designed for driving and controlling light emitting diode (LED). It is classified into PMIC - LED Drivers, which refers to devices designed for controlling the voltage levels and currents supplied to the LED. The 6277ELW-T provides a wide range of multiplexed current levels that are tailored specifically for outdoor lighting applications such as road, residential, industrial and commercial lighting. This makes it an ideal product for efficient and flexible solutions in these applications.

The 6277ELW-T uses linear LED current control together with an analog multiplier principle, allowing it to achieve lower current levels at higher efficiency compared to traditional solutions. This makes the product suitable to achieve adapted lighting effects with less power consumption, as well as reduce maintenance costs due to the longer life of LED bulbs. The product can be configured for either 12V or 24V supply voltage, the input voltage range is 3-25V and the output voltage is 1.2V-16V. The 6277ELW-T has an operating temperature range of -20°C to +120°C and it is protected against input under-voltage, overheat, output open-circuit, and output short circuit conditions to improve reliability. It operates within a switching frequency range of 1MHz to 6MHz and it comes in a VQFN24 4x4 package with an exposed thermal pad.

The 6277ELW-T is designed for driving RGB LEDs as well as single or multiple strings of white LEDs and enables wide range of external components configuration options. The product incorporates a built-in dimming function either by pulse width modulation (PWM) or analog signal. Furthermore, the product is designed to provide LED failure warning and output conditions such as LED open circuit, LED short circuit, and LED over current. This makes the 6277ELW-T ideal for use in lighting systems where the secure operation of LED strings is crucial for their proper functioning.

The 6277ELW-T also adopts a single loop system without the need of a separate supply to achieve low output ripple. This helps improve current regulation, reduce component count and cut operational noise. Additionally, the product has integrated digitized temperature compensation which is adjustable to compensate for varying ambient temperature profiles and thermal peaks to further improve reliability.

In summary, the 6277ELW-T is a PMIC - LED Drivers application field specifically tailored for outdoor lighting applications. It combines linear LED current control together with analog multiplier principle, that allows the device to achieve low current levels at higher efficiency, while also allowing it to provide LED failure warnings, current regulation, and adjustable temperature compensation. These features make it an ideal product for reliable and cost effective solutions in these applications.

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