AL1663S-13 Integrated Circuits (ICs)

AL1663S-13 is a PMIC (Power Management Integrated Circuit) typically used in LED (Light-emitting Diode) driving applications. This integrated circuit is designed to be used in a wide range of products, such as LED lighting, LED billboards, LED displays, LED backlighting and LED lighting decoration.

The AL1663S-13 integrates all the necessary components for LED current driving control, over-voltage protection, reverse polarity protection, short circuit protection, and over temperature protection. The integrated circuit includes a high-efficiency HPFM (High-Performance Firmware Modulated) PWM controller, external power MOSFETs, and a variety of external components. All the active circuitry is assembled on a single package, making the AL1663S-13 less board sensitive and easier to integrate into a variety of LED applications.

The AL1663S-13 is the perfect choice for LED driver applications that require high efficiency, reliable operation and small footprint. The integrated circuit uses an innovative programming technique to achieve near-zero droop voltage. This technique controls up to 16 independent LED drivers, with an operating temperature range of -40 to +105C. The AL1663S-13 also features low input current ripple, adjustable frequency and adjustable dimming ratio. Furthermore, it can be configured to offer a wide range of output current levels, ranging from 0.2A to 3.2A.

The AL1663S-13 is based on a linear voltage regulator design, with peak current mode control. A programmable feedback reference voltage of 5V is provided for each driver, enabling control of up to 16 independent LED drivers. The peak current level of each driver is proportional to the average controlled voltage. The feedback signal is monitored and used to maintain a constant output current with a tight load regulation. The circuit also has an internal current sensing circuit which can be used for thermal protection.

The AL1663S-13 is a versatile integrated circuit that can be used in a variety of LED driver applications. It is compatible with a wide range of voltage and power input sources, such as AC/DC, DC/DC, etc. The IC can also be easily connected via I2C, SPI or UART interface. The AL1663S-13 offers excellent performance and reliable operation, making it an ideal choice for LED applications.