AL1692S-13

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The AL1692S-13 is a member of PMIC-LED drivers, which are designed for automotive exterior and interior lighting applications. This device is a conduction-mode, current-mode, dimmable and flickerless, constant-on-time boost controller. It is specially designed for high-power applications for automotive headlamps, tail lamps, signal lamps and brake lights.

The AL1692S-13 is equipped with internal overvoltage protection and overtemperature protection of the integrated MOSFET to extend the device lifetime. In addition, the IC includes a shutdown feature that allows the IC to be shut down during start-up or when not in use, so that it does not continue to consume power and potentially overheat the device.

The AL1692S-13 can be operated in both boost and buck-boost configurations and is capable of supplying up to 1A of boost current while consuming less than 1mA of quiescent current. The device includes a power-saving mode that reduces quiescent current consumption to 500μA when boost current is below the set threshold. The device also features a low-side sense support, which allows the IC to adjust peak current and output voltage in order to match the current and voltage requirements of the load.

The AL1692S-13 features a current-mode control architecture, allowing for constant-on-time control with a wide range of dimming options. The device uses an internal clock oscillator to generate a PWM signal and a simple dimming interface that allows for a variety of PWM dimming schemes to be implemented. The device also features adjustable overcurrent protection, various fault output options to indicate abnormal states, and phase-shift dimming support to eliminate flicker.

The AL1692S-13 is the ideal choice for high-power automotive applications, providing a cost-effective solution with accurate and reliable output current regulation, while featuring additional protection mechanisms. It is rated to operate over a temperature range of -40°C to +125°C, making it suitable for use in a wide variety of automotive lighting applications.

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