ISL97672BIRZ

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The ISL97672BIRZ is a high performance LED driver integrated circuit (IC) designed and optimized to drive LEDs. It is a part of the LED drivers series. The LED drivers series is used to provide a regulated and sustainable power to LEDs, in order to achieve consistent brightness and colour accuracy. The ISL97672BIRZ is designed to provide optimal power efficiency and ease of use in various applications. It features built-in protection features, such as over-current protection and short–circuit protection, making it suitable for a wide range of applications. It is ideally suited for applications including traffic lighting, automotive lighting, smart lighting, Bluetooth audio, general-purpose panel PC, LCD monitor, and industrial controls.

The ISL97672BIRZ has dual outputs, with an operating voltage from 0V to 6V and a maximum input voltage of 20V. The feature of dual output provides increased flexibility, as it allows two LEDs to be driven simultaneously, or up to four parallel LEDs. The dual output also has a switchable output voltage with a single resistor, allowing the user to fine tune the power output easily. The IC also features a dimming/shutdown control, which allows the user to control the brightness of the LEDs or shut them down entirely, for example when turning a light off. The IC is also capable of detecting LED faults, such as open circuit or over-current conditions.

The ISL97672BIRZ has a working principle that makes it suitable for a variety of applications. The IC is a step-down converter that uses PWM dimming to provide a regulated output voltage. It is able to adjust the output current according to the PWM ratio, so as to maintain a constant current for the LEDs, regardless of their load. It also contains a programmable open/short LED protection circuit, as well as a power supply current limit circuit, further increasing its application range. Additionally, the IC is capable of detecting and shutting down LEDs that are over-current, short-circuited or open-circuited.

In conclusion, the ISL97672BIRZ is a high performance, highly efficient LED driver IC designed to drive LEDs in a range of applications including traffic lighting, automotive lighting, smart lighting and industrial controls. It features a dual output, adjustable output voltage, and protection features such as current limit and short/open LED protection, making it suitable for various applications. The IC is a PWM dimming step-down converter that is able to provide a constant output current for LEDs, regardless of the load, ensuring consistent brightness and colour accuracy across all applications.

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