ISL23418UFUZ-T7A

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ISL23418UFUZ-T7A, developed by Intersil, is a 9-bit digital potentiometer in a very small package, making it ideal for automotive applications. The dimmable LED driver is ideal for different LED dimming applications. It is used for a wide range of applications, from motor power control to dimming of LED back lights. The device has a wide operating temperature range and doesn’t require any external components.

Application Field

ISL23418UFUZ-T7A is a digital potentiometer that combines an internal voltage reference and a temperature sensor, making it suitable for multiple applications. This device is mainly used in automotive applications. It is designed to act as a dimmer for LED back light lamps and LED headlights, as well as act as a motor power control circuit.

The device is also suitable for use in battery-powered systems, as it has a low-power mode and small packaging that makes it ideal for portability. Additionally, the wide operating temperature range means that it can be used in applications that require variable temperature conditions. It is also a good choice for high-temperature applications, such as in the automotive sector.

Working Principle

The ISL23418UFUZ-T7A’s working principle revolves around the internal 9-bit digital potentiometer. It consists of an internal voltage reference and an internal temperature sensing circuitry. The device will adjust the internal output voltage based on the digital value the user provides. The temperature sensor is used to detect the operating temperature of the device and to adjust the output voltage appropriately.

The device communicates with a host processor or microcontroller via a two-wire serial interface. This interface allows for easy configuration and updating of the device. The device can be configured for either single-channel mode or dual-channel mode.

For dual-channel mode, the device allows for the user to program an output voltage for each channel. The device also allows for programmable dimming of an LED using pulse-width modulation (PWM). This makes it ideal for dimming applications. For single-channel mode, the device can provide a fixed output voltage.

The ISL23418UFUZ-T7A also has a wide operating temperature range of -40°C to +125°C. This makes it suitable for use in applications that require variable environmental conditions. Additionally, the device has a low power consumption and doesn’t require any external components.

Conclusion

ISL23418UFUZ-T7A is a 9-bit digital potentiometer developed by Intersil. This device is designed to be used in automotive applications, specifically for LED dimming and motor power control. It has an internal voltage reference and temperature sensing circuitry, which makes it suitable for applications that require varying temperatures. It also has a wide operating temperature range and low power consumption.

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