NCL30185BDR2G

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NCL30185BDR2G is a power management integrated circuit (PMIC) device designed to drive light-emitting diode (LED) lights. As a member of the Texas Instruments\' Smart Driver family, this device can enable higher efficiency and simpler design in lighting applications, such as LED strings and arrays. It features a wide programmable operating input voltage range, low quiescent current, and low-side current control via pulse width modulation (PWM) inputs. This driver is digitally programmable and can be used to control various LED configurations, including single string and multi-string color-mixing applications.

NCL30185BDR2G has been developed for driving applications based on high-power LEDs, such as RGBW systems, enabling complete color/dimming control with a relatively small external component count. It provides a flexible solution for applications such as automotive, industrial and general lighting, where efficient and reliable LED switching is required. NCL30185BDR2G is equipped with a wide operating input voltage range from 1.8 V to 54 V and is rated for operation at the full supply voltage. It is capable of delivering up to 150 mA of continuous output current per LED string.

The NCL30185BDR2G LED driver works on the principle of active current regulation, which allows LED dimming and color mixing without impacting LED life. The LED strings are connected to the outputs of the PMIC device as shown in the circuit diagram and the light intensity of the LEDs can be adjusted by varying the PWM waveform on the PMIC device inputs. The input waveform shapes are detected and a corresponding current value is sent out to the LED strings. This allows for high resolution dimming and color mixing without the need for a costly pulse-width modulation (PWM) coaxial cable.

The NCL30185BDR2G boasts a wide operating input voltage range, low quiescent current and an LED string detect function for fast over-current protection. It also includes several protection functions, including cycle-by-cycle current limit, thermal protection and open-LED protection. Additionally, it offers a low operating temperature range and a short start-up time of less than 10 μs per LED string.

The NCL30185BDR2G is a highly efficient and versatile PMIC device, making it an ideal solution for driving high-power LED lighting applications such as automotive, industrial and general lighting. Its wide operating input voltage range, low quiescent current, active current regulation, protection functions and other features make it ideal for a wide range of lighting applications.

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