MP1518DJ-LF-Z

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	DC DC Regulator
Topology:	Step-Up (Boost)
Internal Switch(s):	Yes
Number of Outputs:	1
Voltage - Supply (Min):	2.5V
Voltage - Supply (Max):	6V
Voltage - Output:	25V
Current - Output / Channel:	350mA (Switch)
Frequency:	1.3MHz
Dimming:	Analog, PWM
Applications:	Backlight
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	SOT-23-6
Supplier Device Package:	TSOT-23-6

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Introduction

The MP1518DJ-LF-Z is a high-density, low-cost and low-power LED driver integrated circuit (IC) designed for LED module and LED matrix for LED lighting applications. It has adjustable burst frequency and frequency hopping features to reduce current ripple. The operating temperature range is -40°C to 85°C. The maximum number of pins that can be supported is 48.

Field Of Application

The MP1518DJ-LF-Z can be used in a wide range of applications, including LED display modules, LED backlighting, LED lighting, and general lighting lamps for professional and industrial purposes. Its features make it suitable for applications with multiple channels and high resolution needs, such as outdoor displays and large scale lighting projects.The MP1518DJ-LF-Z is also suitable for automotive applications, where its pulse frequency modulation (PFM) allows consumers to adjust the light intensity of their headlights or fog lights. The integrated circuit also enables safer driving since it can adjust the brightness level based on ambient light.

Features and Working Principle

The MP1518DJ-LF-Z has a variety of features to help maximize the lighting output while mitigating power losses.The integrated circuit supports up to 8 channels of PWM control. Each channel has its own sub-control, allowing for up to 16 levels of brightness. The integrated circuit also supports adjustable pulse frequency and PWM frequency hopping, meaning the output current can be adjusted for more consistent brightness and less current ripple.It also features a dynamic burst mode which allows for more efficient light output. In this mode, the LED brightness is adjusted according to the brightness of the surroundings and ambient light, thus reducing power consumption.The integrated circuit also features a fault detection circuit which can detect a variety of faults in the power and LED structures. This is especially useful for applications in the wild, where a failure can lead to damage that could be expensive and hard to repair.Another feature of the MP1518DJ-LF-Z is the high integration and minimal external components required. This helps cut costs and simplify the design process, making the integrated circuit suitable for low-cost LED-related products.

Conclusion

The MP1518DJ-LF-Z is a high-density, low-cost and low-power LED driver IC designed for LED module and LED matrix for LED-related applications. It has adjustable burst frequency and frequency hopping features to reduce current ripple, as well as other features such as dynamic burst mode and fault detection circuits. It is suitable for applications ranging from outdoor displays and large scale lighting projects to automotive applications such as headlight or foglight adjustments. Moreover, its high integration and minimal external components requirements make it suitable for low-cost LED products.

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