LC5202D

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The LC5202D from Lite-On is a high efficiency PMIC (Power Management Integrated Circuit) designed for LED drivers. It\'s designed to provide reliable power to the RGB or single color LED displays used in consumer electronics such as TV or monitor displays. The LC5202D is a multi-mode device that can be used to control the output current of LED drivers in both constant current and/or constant voltage modes. It utilizes advanced digitized LED current control and is compatible with both traditional pulse-width modulation (PWM) and dimming control signals. It was designed to provide improved accuracy, dynamic response, integration, and versatility.

The LC5202D is a 6-channel, multi-mode LED driver that allows control of both the intensity and hue of RGB LED backlights. Its features include multiple control options, high-density integration, high output current level, efficient power management, and EMC compliance. It supports various modes for controlling the output current, including constant current or constant voltage, and dimming / pulse-width modulation (PWM) input as well as adjustable phase delay. It also has a built-in temperature detection feature to protect the circuit from overheating.

In constant current mode, the LC5202D transforms the constant input voltage into a regulated constant output current for each channel. The output current is determined by the user-defined current limit set by the built-in user interface or via external control signals. The output current is automatically adjusted to maintain a constant current even if the input voltage changes, therefore it ensures a stable operation because the LEDs connected to the output terminals are protected from being over-driven.

The constant voltage mode is used to provide a regulated voltage to all of the output channels. The output voltage is regulated to a user-defined level by an internal feedback loop. This is useful for scenarios where the input voltage can vary over time due to changing line conditions, but the output voltage needs to remain stable.

In either case, the LC5202D provides an adjustable phase delay that allows the output current to be adjusted in the corresponding LED driver circuit. This is to avoid current overlap, which can cause a sudden short circuit within the LED driver circuit, resulting in a catastrophic failure.

The LC5202D also supports brightness control of the LEDs. PWM input is used to determine the amount of light that is emitted by the LEDs. The LC5202D has a PWM frequency range from 1KHz to 100KHz, so it is suitable for controlling the brightness of both high-power and low-power LEDs.

The LC5202D also has a temperature detection feature which helps it maintain its rated output current, despite changes in the temperature of the LED driver circuit. The thermal detection will automatically reduce the output current if the temperature of the LED driver circuit rises above a pre-determined limit. This will prevent the LED driver circuit from burning out due to excessive heat.

Overall, the LC5202D is an advanced PMIC designed for high efficiency, reliable power control of LED backlights. It has a wide range of features and adjustable parameters, making it suitable for a variety of applications. It\'s a reliable and efficient solution for controlling and dimming LEDs.

The specific data is subject to PDF, and the above content is for reference