NCL30086BDR2G

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NCL30086BDR2G is a PMIC and a LED driver, which is specially designed for high-power LED applications and provides robust and reliable performance. This provides a high-level of energy efficiency, reliability and cost-effectiveness in the applications wherein it is used.

This driver has a range of uses such as in LED strip lighting, LED bulbs, LED billboard lighting, LED architectural lighting, LED lighting effects and LED arena lighting. Its designed to drive up to 100W LED strips with constant current output up to 50A, while its 2-channel synchronous buck driver can drive up to 6.5A. It is also compatible with 1-10V dimming systems and has a total dimming range of 1 to 100%.

The NCL30086BDR2G integrates all necessary functions for an LED driver, including adaptive on time control (AOTC) technique and power loss protection, over-voltage protection (OVP), short circuit protection (SCP), open capacitor detection (OCD) and over-current protection (OCP). With these features, the driver can provide optimal performance with minimum stress in high ambient temperature and at aggressive peak currents.

The OVP circuit is also over-temperature protected, prevents total mains injection when triggered and shuts off the supply to the LEDs when the input voltage exceeds a certain level, thus avoiding damage to both the power supply and the LEDs. This feature makes NCL30086BDR2G suitable for applications where the supply voltage exceeds the actual requirement of the LEDs.

The NCL30086BDR2G also provides a soft start circuitry, which limits the inrush current peak during the turn on process. This helps to reduce the demand on the circuit extending its lifetime. Additionally, it also supports a range of frequency operating modes, which allows it to be adapted to different types of LED applications, such as street and path lighting, area lighting with different color temperatures.

The driver has a working principle whereby it can automatically adjust the output current based on the duty cycle of the pulse width modulation (PWM) signal. It features a highly efficient synchronous buck converter, which allows for higher switching frequencies, thus reducing the size and cost of the power components. The driver includes a closed loop feedback mechanism, which adjusts the duty cycle of the PWM signal based on the sensed LED current.

The device also features a power loss detection circuit, which monitors the line voltage for voltage drops below a certain lower limit. If a voltage drop is detected, the device will switch off the LED power supply to avoid damage to the LEDs due to over-current. This feature prolongs the life of the LEDs.

It also features Active LED current sharing, which ensures the LED current is evenly distributed between the two channels. This is achieved by automatically adjusting the duty cycle of one of the channels when the LEDs are connected across both channels. This ensures that the LED current is evenly distributed over multiple LEDs, thus improving safety and reducing thermal stress on the LEDs.

The NCL30086BDR2G also integrates a temperature compensation circuit, which helps to ensure consistent operation across a wide range of temperatures. This temperature compensation also reduces losses during operation, improving the efficiency of the driver. The device includes a reference voltage generator, which helps to reduce the number of external components required. Additionally, the device also includes a built-in open capacitor detection circuit which is used to monitor the power supply for any open circuit faults.

The NCL30086BDR2G is an efficient and cost-effective LED driver solution for high power LED applications. Its wide range of features benefits make it an ideal choice for applications such as LED strip lighting, LED architectural lighting, LED billboard lighting and LED arena lighting.

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