MIC2871YMK-T5

Voltage - Output:	--
Base Part Number:	MIC2871
Supplier Device Package:	14-LDFN (3x2)
Package / Case:	14-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Applications:	Camera Flash
Dimming:	Single-Wire
Frequency:	2MHz
Current - Output / Channel:	1.2A (Flash)
Series:	--
Voltage - Supply (Max):	5.5V
Voltage - Supply (Min):	2.7V
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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PMIC - LED Drivers covers a wide range of products and MIC2871YMK-T5 is one of the most popular ones. It is a 5 channel constant current LED driver with specific chip select function and open/short protection. It can both drive single LED and multiple LED series, making it suitable for various applications.Main Features of MIC2871YMK-T5:

• 32 V max voltage rating
• Full scale PWM dimming ratio up to 940:1
• 2.3V to 5.5 V operation, digital logic controlled
• Undervoltage/overvoltage protection
• Active current matching
• Protection against LED open/short
• Selectable current curve
• Programmable short-circuit protection
• Built-in Thermal foldback

ApplicationsMIC2871YMK-T5 is used in various applications like backlight display, specialty lighting, interior lighting and signage, medium to high power. Some of the applications are as follows:

• LCD Backlight Displays
• Automotive lighting, exterior & interior lighting
• Digital signage & illuminated displays
• Measuring and monitoring instruments
• Interactive displays and kiosks
• Point of Sale and POS systems

Working PrincipleThe MIC2871 is a 5-channel constant current LED driver with 4 selectable channels. It utilizes a low-dropout regulation to accurately control LED currents. The four LEDcurrents can be further enhanced by external current programming.The MIC2871 works on a voltage range from 2.3V to 5.5V and a wide temperature range from -40°C to 105°C. It also features a full-scale PWM dimming ratio up to 940:1, making it suitable for a wide variety of applications.The chip is protected from short circuit and Open LED conditions. In the case of an overload, the IC will continuously monitor the LED currents and the temperature of the IC to reduce the LED currents, or start Thermal Foldback Protection mechanism respectivetly. ConclusionThe MIC2871YMK-T5 LED driver is a reliable and cost-effective solution for applications such as LCD backlight displays, automotive lighting, digital signage and illuminated displays, measuring and monitoring instruments as well as interactive displays and kiosks. It’s a great choice for those looking for a product that offers open/short protection, programmable short circuit protection, active current matching, wide voltage and temperature ranges, and full-scale PWM dimming ratios.

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