MP24183DQ-LF-Z

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 MP24183DQ-LF-Z is a PMIC - LED driver IC that is designed to provide efficient and accurate LED control, as well as thermal and over-current protection. The IC also improves system efficiency and reliability by reducing component count and increasing LED driving accuracy. This LED driver can be used in a variety of LED applications including LED TFT backlight illumination, LED TV backlight illumination, and LED lighting.

The MP24183DQ-LF-Z consists of a constant-current driver, a PWM controller, an over-voltage (OVP) and an over-temperature (OTP) protection, and a charge-pump control circuit. It is available in a QFN-32C package.

The MP24183DQ-LF-Z has a high voltage input capability of up to 8V and a low voltage start-up capability of 2V. The operating temperature range is from -40°C to +85°C, and it has a maximum output current rating of 2.5A. It also features a current sense threshold of 40mV, as well as an over-temperature protection circuit that reduces output current when the internal temperature exceeds a preset threshold.

The MP24183DQ-LF-Z LED driver offers the following advantages:

• Low Ripple and Low LED Current Fluctuation.
• High Conversion Efficiency.
• Improved LED Fading.
• Over-Temperature and Over-Current Protection.
• Low EMI Environment.

The operating principle of the MP24183DQ-LF-Z is based on the feedback control of the output voltage. When the voltage at the differential amplifier (DA) exceeds the set level, the drive current is proportionally reduced, which limits the maximum output power, thus providing the desired voltage control. The current sense amplifier then measures the current level of the output voltage, and this is used to detect an over-temperature condition. Should the detected temperature exceed a preset level, the output current will be reduced to protect the LED.

In addition, the MP24183DQ-LF-Z incorporates a PWM dimming control which enables the output current to be adjusted to the desired level without a separate current limiter. The charge pump circuits convert the low voltage input to an appropriate level, which improves the efficiency of the system and reduces the total power consumption.

The MP24183DQ-LF-Z can be used for a variety of applications including LED backlighting for TFT LCD displays, LED TV backlighting and LED lighting. The device offers improved LED dimming performance, thermal and over current protection, as well as low EMI operation. It also enables a simplified system design with reduced component counts and improved efficiency.

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