AOZ1960DI

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PMIC, or Power Management Integrated Circuits, are power supply and power management tools used in consumer electronics, automotive applications, and industrial electronics. LEDs, or light emitting diodes, are a technology used for lighting and display solutions. LED Drivers are electronic driver circuits that are designed to provide the correct current and voltage to LEDs. The AOZ1960DI is a LED Driver PMIC that offers high efficiency, high accuracy, and high precision current regulation for LED lighting applications.

Overview of AOZ1960DI

Designed to drive up to 4 LEDs in a single string, the AOZ1960DI is offered in an ultra-small MSOP-8 package and can deliver a maximum current of 500mA per channel. The device is suitable for either parallel or series strings, while the output current accuracy is ±3%. The device can provide output currents of 20mA to 500mA, with an output voltage range of 0.6V to 18V, making it suitable for many different types of LEDs in different applications.

The device also offers adjustable switching frequency and soft-start for a ripple-free start-up transmission. Its integrated MOSFETs ensure the maximum efficiency and reduce the total power losses. The AOZ1960DI features advanced protection features such as Under Voltage Lock-Out (UVLO), Over Current Protection (OCP) and Thermal Protection (T/P). Its Low Power Consumption and Shutdown Mode Make it a Highly Compact Solution for High-Speed Lighting Applications.

AOZ1960DI Application Field and Working Principle

The AOZ1960DI is a highly efficient LED driver PMIC with excellent light current accuracy. It is commonly used in indoor and outdoor LED lightings, high-speed indoor lightings, horticultural lightings, automotive lightings, and high-brightness LED display applications. Its high-precision current regulation, small form factor, and integrated protection features make it a great choice for LED drivers.

The AOZ1960DI is a current mode linear LED driver, which regulates the LED current with a peak current. It regulates the LED current by sensing the voltage drop across a current sense resistor and then adjusts the output level to maintain a constant current to the LED. The current sense voltage is then compared to a reference voltage to generate the peak current. It is set using an external resistor. The duty cycle of the power switch is varied so that the required LED current can be regulated.

The device also features an adaptive on-time control circuit, which regulates the peak current according to the LED string voltage, so that the LED current is more accurate even without a current sense resistor. The device switches up to 500KHz, so the LED current remains accurate even in high speed lighting applications.

In summary, the AOZ1960DI is an excellent LED driver PMIC that offers high performance, high accuracy, and high precision current regulation for LED lighting applications. Its advanced protection features and low power consumption make it an ideal choice for high speed LED lighting applications.

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