TLC59281DBQ

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The TLC59281DBQ is a LED driver with PMIC capabilities. It is designed to provide a cost-effective solution to drive up to 16 LEDs dimming or blinking. It has multiple features such as PWM dimming, adjustable peak current and adjustable dead time. It is capable of supporting up to 24V battery source and has an onboard OVP function to protect against overvoltage.

This driver is ideal for application such as automotive headlamps, side markers lamps, interior indicator lamps and reverse lamps. It can also be used in consumer electronic goods such as laptops, PDAs and mobile phones. This can be particularly beneficial in battery powered applications where power efficiency, adjustable peak current and adjustable dead time are necessary.

To start dimming, the TLC59281DBQ relies on an external oscillator circuit to provide clock and enable signals; these signals are then processed by the internal logic and control module. The clock signal is used to generate the PWM signals, which are in turn used to change the level of current to each LED. Besides clock and enable, the TLC59281DBQ also has an active low power saving pin which can be used for power saving to reduce power consumption when the display is not in use.

The TLC59281DBQ also features a fault detection system which monitors the LED current and compares it with the reference current. If any deviation is found, the fault detection system will temporarily block the LED current until the deviation is corrected. This can help prevent damage if deviations are caused by fault operation or powering up outside of nominal operations.

In addition to power and fault detection, the TLC59281DBQ also implements temperature protection which provides a pre-warning depending on the temperature level. This can be used to protect the LEDs and other components from damage resulting from excessive heat.

To ensure accuracy and consistency, the TLC59281DBQ is designed to allow adjustable output peak current, reference voltage and dead time. This allows the user to update the LED current level for each LED due to different LED characteristics, thereby achieving maximum efficiency and accurate brightness control. It also features programmed dead time which prevents conflicting state between the devices and ensures that every output has a valid state.

The TLC59281DBQ is a powerful and efficient device that can be used for a variety of applications. It features adjustable peak current and dead time, making it ideal for applications where accurate current and brightness control are essential. It also features fault detection and temperature protection for maximum reliability and safety. This highly integrated and cost-effective solution is perfect for automotive, consumer or industrial applications.

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