AOZ1977AI

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PMIC - LED drivers are electronic components, specifically defined as integrated circuits, that provide power to and control light-emitting diodes (LEDs). These components provide a compact and cost-effective solution for controlling the color, brightness, and intensity of a variety of LEDs.

AOZ1977AI is a dual-channel, high-efficiency, switching-mode, adjustable current-mirror LED driver that is capable of driving up to four series-connected LEDs with up to 6A average currents independently. The device is optimized for driving both light-emitting diodes and organic light-emitting diodes (OLEDs).

AOZ1977AI provides two digital control inputs for setting the LED current, allowing for both simple digital dimming and complex PWM dimming. The brightness of the LED can be adjusted over a range of 0-100%, which can be set from 0.1% up to full scale. The device is designed to minimize device power dissipation, extend LED life, and reduce end product size and cost.

The AOZ1977AI is a fully integrated, high-efficiency LED driver with advanced thermal management and current control technology. It is designed to offer superior performance in single and multi-string designs. This device provides an adjustable current mirror with the option of setting the LED current directly through an external resistor, or using a pulse-width modulation (PWM) signal with adjustable dimming resolution up to 256 steps. It can also be used to control LED brightness using I2C and UART serial communication protocols.

The AOZ1977AI has several safety features that are integrated on-chip. It has a programmable thermal shutdown function and under-voltage lockout. This provides protection in cases of over-temperature or a supply voltage that is too low.

The device also features an advanced open-drain digital output pin which is used to monitor the temperature of the LED driver. The temperature is monitored in real-time, allowing the system to shut down automatically in cases of overheating.

AOZ1977AI is a highly integrated and efficient LED driver designed for both stationary and portable applications. It is an ideal choice for applications that require extended lifetime, multiple dimming modes, high efficiency, and advanced safety features.

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