MAX16812ATI/V+

Voltage - Output:	--
Base Part Number:	MAX16812
Supplier Device Package:	28-TQFN (5x5)
Package / Case:	28-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Applications:	Lighting
Dimming:	Analog, PWM
Frequency:	125kHz ~ 500kHz
Current - Output / Channel:	2A (Switch)
Series:	Automotive, AEC-Q100
Voltage - Supply (Max):	76V
Voltage - Supply (Min):	5.5V
Number of Outputs:	1
Internal Switch(s):	Yes
Topology:	SEPIC, Step-Down (Buck), Step-Up (Boost)
Type:	DC DC Regulator
Part Status:	Obsolete
Packaging:	Tube

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Power Management Integrated Circuit (PMIC) - LED Drivers are an important device used in efficient power management of LED\'s. One such utility device is the MAX16812ATI/V+ LED Driver. This article shall focus on the application field as well as discuss the working principle of the MAX16812ATI/V+ LED Driver. The MAX16812ATI/V+ LED Driver is designed to provide a cost effective solution for the driving of white, RGB and multi-chromatic LEDs. Additionally, the device provides flexibility in driving solutions, and is suitable for automotive, industrial and consumer applications. The device features a high resolution, linear dimming circuit which is controlled by an external Resistor. The dimming capability of the device is also provided with a Duty Cycle. A Duty Cycle of up to 99% can be achieved with the MAX16812ATI/V+. This means that the LED can be dimmed to 1/100th its original intensity, providing the user with greater dimming resolution.In addition, the device also has an internal UVLO (Under Voltage Lockout) circuit. This helps to protect the LEDs from catastrophic events caused by over or under voltage. The MAX16812ATI/V+ also implements a Fold-Back feature which reduces the current drawn by the LEDs in the event of an over-voltage or over-temperature situation, thus providing greater protection to the user from unexpected conditions. The MAX16812ATI/V+ can be configured to either a buck only or a buck-boost topology, providing a wide input range of 4.5 - 52V, while maintaining a steady output of 3.2V - 8.5V. The device also features short cycle protection, an open LED detect circuit and a PWM dimming input, which can be used to dim the LEDs in either short pulses or frequencies.The overall working principle of the MAX16812ATI/V+ LED Driver is based on providing efficient power management for the LEDs. It combines a high resolution, linear dimming circuit with a high efficiency buck-boost converter, providing a wide input range while also providing an open LED detect circuit, a fold-back feature and a PWM dimming input. This ensures that the LEDs are protected from catastrophic events and are provided with steady output. The device is also suitable for automotive, industrial and consumer applications, providing flexibility in driving solutions. The application field for the MAX16812ATI/V+ LED Driver is immense, and it is no surprise that it has become a popular choice for LED Driver solutions. In conclusion, the MAX16812ATI/V+ LED Driver provides a powerful and cost-effective solution for efficiently managing LED’s. It combines a high resolution, linear dimming circuit with high efficiency buck-boost converter, providing a wide input range while also providing an open LED detect circuit, a fold-back feature and a PWM dimming input. This provides the user with more than enough features to safely and efficiently manage the LED’s, thus making it a popular choice for LED drivers.

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