ISL97675IRZ-TK Integrated Circuits (ICs)

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The ISL97675IRZ-TK is an integrated PMIC driver designed for driving high-current LEDs. It is capable of delivering up to 80A of constant-current drives for up to four single-channel LEDs or two parallel LEDs. This device features fast switching and low voltage operation, making it an ideal choice for applications that require high-efficient power conversion. It is also designed to reduce component count and the overall footprint required in the application system.

The ISL97675IRZ-TK is a fixed frequency, constant-current, monolithic switching regulator. It is designed to provide a wide input voltage range and high output current. This allows the regulator to handle a variety of applications including small-signal LEDs, backlight control, status/display indicator LEDs, high-intensity displays, and automotive applications. With its built-in protection functions, the ISL97675IRZ-TK improves reliability while enabling a lower component count.

The ISL97675IRZ-TK works by connecting an input voltage (VIN) source to one of two power inputs, either VIN1 (1.8V to 5.5V) or VIN2 (3V to 26V). After being connected to power inputs, the ISL97675IRZ-TK converts the input voltage to a constant-current output. The output current is set using an external current-setting resistor. The current setting resistor is connected between the LED+ and LED- pins of the IC.

The ISL97675IRZ-TK also includes an optional shutdown function. When the shutdown function is used, the output can be disabled, reducing power consumption and heat generation within the system. This is especially useful for automotive and other applications that must meet stringent safety standards.

The ISL97675IRZ-TK also has a wide range of operating temperature, from -40°C to 125°C, which ensures reliable operation over extended periods. In addition, the IC has short-circuit protection, under-voltage lockout, over-temperature protection, and a thermal shutdown function for additional protection.

Finally, the ISL97675IRZ-TK is packaged in a small QFN package, which minimizes space requirements and reduces overall system footprint. Additionally, the QFN package has excellent thermal conductivity, allowing heat to quickly dissipate, which keeps the entire system operating temperature low.

In conclusion, the ISL97675IRZ-TK is an integrated PMIC driver designed for driving high-current LEDs. It is capable of delivering up to 80A of constant-current drives for up to four single-channel LEDs or two parallel LEDs. With its wide input voltage range and high output current, along with its built-in protection functions, this IC improves reliability while reducing component count in the application system. Combined with its wide operating temperature range and small size, the ISL97675IRZ-TK definitely makes it an ideal choice for LED Driver applications.

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