MAX20098ATED/V+T

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LED (Light Emitting Diodes) has become the most popular light source for many applications, ranging from automotive headlights to webcams and notebooks to street lighting. In addition to its long lifespan, extremely low power consumption, durability, and reliability, many other features such as high efficiency, small size, and cost, makes it a versatile light source. The MAX20098ATED/V+T ispart of a product line of integrated off-chip drivers that maximizes flexibility and performance.

The MAX20098ATED/V+T drivers feature active control of the current flowing through LEDs with a switch-mode or a programmable fixed-frequency PWM dimming function. This current limiting feature which reduce the brightness fades is incorporated in the driver. The MAX20098ATED/V+T driver offers constant temperature protected zones by enabling automatic excess current shut-down to protect the LEDs from overheating and even catastrophic failure. In addition, its programmable overvoltage protection reduces the risk of reverse voltage being applied to the LEDs.

The MAX20098ATED/V+T is well suited for the driving of linear strips and arrays of Light Emitting Diodes (LEDs) applications. Due to its superior dimming capabilities, the driver can be used for low-level illumination applications such as decorative lighting, background lighting, or outdoor light. The driver also has a built-in frequency synchronization feature designed to eliminate the flickering effect caused by frequent switching frequency.

The various features offered by the MAX20098ATED/V+T driver make it an ideal choice for LED applications that require precise current control, high efficiency, and excellent dimming performance. The operating principle of the driver is as follows. The MAX20098ATED/V+T driver is made up of an external power supply, an I2C/SPIbus, and a dedicated low-side MOSFET switch. The program activation signal is transmitted through the I2C/SPI bus and the external power supply supplies the necessary power to the driver. The battery voltage input is then used to regulate the current through the MOSFET switch and the programmed output voltage of the Microcontroller is actuated by the I2C/SPI bus command to regulate the current through the LED.

In summary, the MAX20098ATED/V+T drivers are designed to provide a high-power, high-efficiency and a low-cost solution to LED lighting applications. The drivers can be used in various applications such as automotive headlights, webcams and notebooks to street lighting. The drivers feature active control of the current flowing through the LED allowing for a switch-mode or a programmable fixed-frequency PWM dimming functions.In addition, the drivers provide constant temperature protected zones by enabling automatic excess current shut-down to protect the LEDs from overheating and even catastrophic failure. The versatile integrated off-chip drivers that maximizes flexibility and performance make it a suitable choice for most LED applications.

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