MIC2292-15YML-TR

Voltage - Output:	--
Base Part Number:	MIC2292
Supplier Device Package:	8-MLF® (2x2)
Package / Case:	8-VFDFN Exposed Pad, 8-MLF®
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Applications:	Backlight
Dimming:	Analog, PWM
Frequency:	1.6MHz
Current - Output / Channel:	750mA (Switch)
Series:	--
Voltage - Supply (Max):	10V
Voltage - Supply (Min):	2.5V
Number of Outputs:	1
Internal Switch(s):	Yes
Topology:	Step-Up (Boost)
Type:	DC DC Regulator
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MIC2292-15YML-TR Application Field and Working Principle

PMIC - LED Drivers are used for powering, driving and controlling the power brightness of LEDs. The MIC2292-15YML-TR is a highly advanced PMIC - LED driver that combines flexibility and control of a linear regulator with the low quiescent current of a switching regulator. The MIC2292-15YML-TR is especially suitable for use in lighting applications.

Application

The MIC2292-15YML-TR is ideal for applications requiring high efficiency and minimal power consumption, such as the lighting in homes and offices, automotive, and medical applications. It supports a wide range of LED strings, offering user-selectable 1.5A or 3A peak current capability to maximize LED efficiency while ensuring low LED power consumption. It provides excellent LED dimming performance with minimal power consumption.

Features

The MIC2292-15YML-TR has several features that make it ideal for LED lighting applications. The driver includes an adjustable boost controller circuit with an integrated synchronous rectifier and MOSFET for excellent efficiency. The built-in power supply and regulation circuit helps ensure high accuracy, stability and low ripple performance. The pulse-width modulation (PWM) dimming capability offers the user precise and efficient LED control. The integrated 2A current sink outputs enable LED dimming control from the output of any MCU or PIC. In addition,the low quiescent current of 0.25µA reduces power consumption.

Working Principle

The MIC2292-15YML-TR drives the LED load directly from the power supply line. When there is no load, the boost converter is in standby state, allowing the load current to draw out of the inductor. When the load current is drawn out of the inductor, the MOSFET, which modulates the voltage, turns on and off to adjust the voltage across the load. The voltage is adjusted to the desired level, determined by the internal control loop, so that the required output current flows through the load. The current sink regulation circuit ensures that the current is controlled across the load and ensures maximum efficiency under all dimming conditions.

Conclusion

The MIC2292-15YML-TR PMIC - LED Driver is an ideal solution for LED lighting applications. It offers excellent performance, with user-selectable current peak settings and excellent PWM dimming performance. It is highly efficient, with a 0.25µA quiescent current and integrated synchronous rectifier for low power mode. In addition, it includes a power supply and regulation circuit for high accuracy and stability, as well as low ripple performance.

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