LTM2503HTL

LEDs - Circuit Board Indicators, Arrays, Light Bars, Bar Graphs

The LTM2503HTL is an ultra-low power, high performance system-on-a-chip (SoC) designed for light emitting diode (LED) applications. The device is intended to provide brightness control, dimming control, and color or white light mixing capabilities to a wide range of applications, from traffic signals and general lighting projects to automotive and industrial lighting. The LTM2503HTL is a high efficiency, low current power management solution that features an integrated RGB Flash LED driver and an extended battery life of up to 30 hours. The device is also capable of operating in high temperature environments with temperatures ranging from -40°C to +125°C.

Applications

The LTM2503HTL is an ideal LED driver solution for a variety of applications such as LED lighting, LED signs and billboards, LED traffic signals, LED displays, LED strips, LED backlighting, LED car lights, LED street lights, LED aquarium lights, LED aquarium parts, and LED Christmas lights. In addition, the device can also be used in combination with other components and devices for motion control, motor control, and advanced automotive systems. The device is designed for low power and cost-effective applications, so it is suitable for applications where power savings is of the utmost importance.

Working Principle

The LTM2503HTL is a fully integrated LED driver solution, which means it combines several components and functions into one single device such as LED current regulation, brightness control, oscillator, voltage and temperature protection, dimming control, and protection against accidental shorts or overloads. It is based on a PWM (pulse-width modulation) architecture, which means that it regulates and controls the LED current by changing the duty cycle of the signals sent to the LEDs. The device includes a high-voltage, low-current operational amplifier to monitor the current of each individual LED, as well as a transconductance amplifier to adjust the current of the LEDs. It also includes a low-dropout linear regulator to ensure that the voltage supplied to the LEDs is not affected by the current draw, and a thermal protection circuit to prevent the device from being damaged by excessive heat.

The LTM2503HTL is designed using the latest high-performance integrated circuits and technologies, and it is capable of supporting a wide range of LED drivers, from 0.03A to 3.0A. The device also features an integrated I2C interface for communication with the LED drivers. It also includes a unique temperature protection feature that automatically turns off the LED drivers when they reach a certain temperature, thus protecting the LED drivers, power source, and the device itself.

Conclusion

The LTM2503HTL is designed to be a cost-effective and power-efficient LED driver solution for a variety of applications. Its combination of integrated components and technologies make it an ideal choice for applications where power savings and high performance are of the utmost importance. The device’s extended operational temperature range and its temperature protection feature also make it a reliable and long-lasting solution for harsh environments where the temperatures can vary significantly. The LTM2503HTL is an ideal solution for applications that require maximum efficiency, robustness, and reliability.