MIC2292-34YML-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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AbstractThis paper is about the application field and working principles of MIC2292-34YML-TR, which is categorized as a PMIC - LED Driver. The article provides details about the product’s features, its suitable applications, as well as its working principles, to give readers a better understanding of the product.IntroductionPMIC - LED Drivers are specifically designed to regulate and control the current flow in LED systems. They provide an efficient source of power to LED lights, while maintaining high accuracy, low power consumption and a long life span. MIC2292-34YML-TR is the latest PMIC - LED Driver from Microchip that provides efficient and high-performance current regulation for LED lighting systems.Features and BenefitsMIC2292-34YML-TR is a highly-featured adjustable current regulator for powering high-intensity LEDs. It is a current-mode pulse width modulation (PWM) controller that works on PWM circuit principles. Its features include an over-temperature protection (OTP) feature, a linear current limit of up to 7A, and adjustable dimming voltage and current levels. The OTProtect feature ensures a clean and safe current flow to guarantee longer lifetime of LEDs while the linear current limit prevents any possible overcurrent events. The adjustable dimming voltage and current allows the user to select their desired brightness level with ease. The MIC2292-34YML-TR allows operations with a wide input voltage range of 8 V to 50 V and can provide maximum current up to 7 A. It is designed with a typical ground current of <1 μA and provides a high accuracy current regulation of ±2% within a wide temperature range of 0 °C to 70 °C, making it one of the most accurate and efficient regulators for LED lighting systems.ApplicationsThe MIC2292-34YML-TR is developed for providing an efficient and high accuracy control of current to both high-intensity LEDs and low-brightness LEDs. It is suitable for both indoor and outdoor applications including commercial lighting applications, decorative lighting applications, street lighting, and other applications that require precise intensity control of LED lights. The MIC2292-34YML-TR is also ideal for applications that require high efficiency, such as LED traffic lights, LED billboards, LED signs, LED automotive lights and LED displays. Its precise current and voltage control also allow it to be suitable for applications which require good power and energy management, such as LED garden lamps, LED chandeliers and LED ceiling lamps. Working PrinciplesThe MIC2292-34YML-TR operates on pulse width modulation (PWM) principles. It consists of a switching circuit and an adjustable current limitation resistor. The PWM circuit works by varying the duty cycle of the switching circuit with the help of an internal oscillator. The switching circuit is designed to rapidly switch on and off the circuit, thus regulating the current flow. The adjustable current limitation resistor is used to control the current through the LEDs. When the current level crosses a certain threshold, the internal oscillator detects it and adjust the duty cycle to control the current output to the LEDs. This ensures a high efficiency and precise control of current to the LEDs for a constant output.ConclusionThe MIC2292-34YML-TR is a PMIC - LED driver which is highly efficient and accurate for LED lighting systems. It is suitable for a wide range of applications that requires precise control of current, such as LED traffic lights, LED signs, LED displays, LED automotive lights and LED ceiling lamps. It works on the principles of pulse width modulation (PWM) and uses a switching circuit and an adjustable current limitation resistor to drive the current to the LEDs. This provides an efficient, constant and accurate output current for LED lighting systems with a low energy consumption.

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