NCV7691D10R2G Integrated Circuits (ICs)

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The NCV7691D10R2G is a power management integrated circuit (PMIC) specifically designed for LED driving application. This PMIC consists of a general-purpose controller and a power supply, allowing it to provide adjustable output current and a wide range of output voltages. It also includes protection functions and a wide range of features that allow it to be used in LED application with almost any operating mode including constant current driving, PWM dimming and linear dimming.

The NCV7691D10R2G PMIC-LED driver is ideal for LED lighting applications such as decorative lighting, architectural lighting and general illumination that require high efficiency and dimming performance. It features a maximum output current of 0.5A, adjustable voltage and a wide range of dimming options with PWM. It also provides excellent thermal and current protection and is capable of providing output current up to 1A for short intervals.

The NCV7691D10R2G PMIC-LED driver has a Synchronization-Free, Symmetrical Startup, providing soft-start performance and improved EMI distortion. It also supports parallel operation by automatically monitoring the operating conditions of all ICs and controlling the current distribution amongst them. Additionally, it has a source/sink capability, currents up to 500µA, a broad range of output voltage and a adjustable dead time for better current and temperature control.

The working principle of the NCV7691D10R2G PMIC-LED driver is based on two main components: the general purpose controller and the power supply. The controller is responsible to monitor the output voltage and the operating conditions of all ICs and to provide the output voltage by using constant current and PWM dimming. The power supply is designed to provide the necessary power to the control circuitry and to the LED load. It also provides thermal and current protection.

Additionally, the NCV7691D10R2G includes an optional external input voltage sensing capability. This feature allows for improved efficiency and protection when driving load with variable voltages. It also has a wide range of current protection functions such as overvoltage and overcurrent protection that protect both the LED and the circuit.

In summary, the NCV7691D10R2G is an excellent PMIC-LED driver designed to provide adjustable output current and wide range of output voltages. It features synchronization-free, symmetrical startup and source/sink capability, and excellent thermal and current protection. This PMIC is ideal for LED lighting applications such as decorative lighting, architectural lighting, and general illumination that require high efficiency and dimming performance. Additionally, it is capable of providing output current up to 1A for short intervals.

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