TB62781FNG,8,EL Integrated Circuits (ICs)

TB62781FNG, 8,EL Application Field and Working Principle

The TB62781FNG, 8,EL LED driver is categorised as a PMIC - LED Driver. This LED driver is optimised to boost the LED power efficiency with a low current of switch current. It is an excellent device for lighting application like general illumination and for controlling the LED light with dimming functions. This device offers a DC to DC control system and drives up to eight channels of LEDs with separate on-board control and max current setting. It is the first generation of monolithic ICs that are able to control the light efficacy with a high accuracy, even under high temperature conditions.

The TB62781FNG, 8,EL device has an extended application range and can be used in the automotive, industrial, medical and other commercial markets. It is capable of driving 6, 8 and 10W current LEDs in many applications such as automotive external lighting, medical lighting and street lighting. Being able to improve the system efficiency and reduce the power consumption, this LED driver is becoming the popular choice for many markets.

The working principle of the TB62781FNG, 8,EL LED driver is based on a DC-DC control system. It works by regulating the power from the input power supply to the LED load by adjusting the switching current. It utilizes two MOSFETs for switching, and the output voltage can be selected by the voltage select VCNTL. The device operates in continuous switching mode and has separate on-board control and max current setting.

The TB62781FNG, 8,EL LED driver is a high-accuracy controller with an integrated current sense circuit. It is equipped with an over-temperature protection which prevents breakdown of the LED driver when the device temperature gets too high. The LED driver also has a built-in ambient light sensor which will adjust the LED output brightness accordingly. This LED driver utilizes very low switching current and has a built-in EMI filter to control the EMI emission and reduce the cost of external EMI filter.

The TB62781FNG, 8,EL LED driver is an excellent device for lighting applications. It offers improved system efficiency, reduced power consumption and extended application. It works by regulating the switching current from the input power supply to the LED load, and it is equipped with an over-temperature protection and a built-in ambient light sensor for adjustable output brightness. With the built-in EMI filter, this LED driver is an ideal choice for many markets such as automotive, industrial and medical lighting applications.