ISL97634IRT14Z-T

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ISL97634IRT14Z-T is a programmable current regulator with a built-in LED driver. It was designed to ease the implementation of LED lighting systems. It allowed the easy implementation of LED lighting systems by combining a regulated LED driver with the ability to adjust the current flows and adjust the brightness levels of the LED lights.

ISL97634IRT14Z-T combines an adjustable current regulator and a programming interface to enable design engineers to easily program various features of the LED driver. This device also contains a microcontroller with integrated program memory and a temperature sensor, enabling the ISL97634IRT14Z-T to be operated in a wide range of temperature environments. Additionally, it has many safety features such as thermal protection and over-voltage protection.

This device is suitable for driving a single-string of LEDs at up to 10A, with an adjustable current from 0 to 10A. The high current capability, programming interface, and temperature sensing capabilities make it ideal for use in many different applications. Examples include backlighting for LCDs, LEDs for general purpose lighting, automotive dashboard instrumentation, emergency exit signs, and architectural lighting applications such as pathways, landscape lighting, and pool lighting.

The ISL97634IRT14Z-T is easy to program via a single-bit serial interface. The programming determines various features such as output current and average or peak current dimming. The programmable features also include a turn-on/off delay, fast or slow turn-off current modes and light source dimming or brightness control. In addition, a low-power mode can be activated to save energy during dimming.

The working principle of the ISL97634IRT14Z-T is that of a constant-current LED driver. It consists of a precision voltage feedback loop, a MOSFET output stage, and an integrated temperature-sensing circuit. The constant-current feedback loop ensures accuracy of the output current, while the MOSFET output stage provides pulsed drive to the LEDs. The temperature sensing circuit allows the device to be monitored, allowing the safe operation of the driver in extreme temperatures. The ISL97634IRT14Z-T also contains a SMBus interface which allows the device to be programmed in order to adjust the brightness levels and other features of the LED driver.

Overall, ISL97634IRT14Z-T addresses the needs of contemporary LED lighting systems and makes it easy for design engineers to implement an LED-based application with the confidence of a reliable product. The device is suitable for driving a single string of LEDs up to 10A, and is capable of many programmable features, making it ideal for a wide range of applications.

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