SKY81294-14-001

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PMIC - LED drivers are electrical components designed to provide well-regulated current to LEDs. The SKY81294-14-001 application field and working principle is one of the most common and powerful LED driver ICs. This driver is usually used for backlighting of LCD panels and power management applications.

The SKY81294-14-001 is designed to supply an adjustable current to downstream LEDs while maintaining a stable voltage despite changes in the ambient temperature or load. It also maximizes efficiency and avoids potential short circuit and over voltage events. This IC includes several functional blocks, such as a charge pump, voltage regulator and control circuitry, all integrated in the same IC package.

The working principle of the SKY81294-14-001 is based on a two-stage constant current control with Charge Pump and voltage regulator. The Charge Pump is used to convert a low voltage input signal into a current analog signal. The output current is regulated by the voltage regulator in response to this input current. The current regulator has a programmable internal voltage divider that sets the current regulation level. This voltage divider is different from the conventional constant current source, because it can maintain a consistent output current, regardless of the changing input voltage or the load. The voltage regulator is also integrated, so it can control the output current by recovering energy from the voltage spikes on the output.

The SKY81294-14-001 has a wide range of applications such as for general lighting devices, automotive lighting, backlighting for LCD panels, and power management applications. It provides a high level of protection against output short circuits and overvoltages. In addition, it is equipped with programmable switching frequency, adjustable voltage regulator and a low standby power Consumption. These features make the SKY81294-14-001 a great solution for a variety of applications.

In conclusion, the SKY81294-14-001 LED driver is a great choice for LED lighting applications, especially when power management and efficiency are important considerations. It has a wide range of applications and offers protection against output short circuits and overvoltages. It is also equipped with programmable switching frequency, adjustable voltage regulator and a low standby power Consumption.

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