LM2794TL/NOPB Integrated Circuits (ICs)

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The LM2794TL/NOPB is a single-chip LED driver PMIC that is designed to drive LED currents regardless of LED type, LED number or LED configuration. It offers a potent combination of features and performance that makes it an ideal tool for a wide variety of LED applications. The LM2794TL/NOPB is a highly integrated solution consisting of a wide-range dimming controller, programmable buck driver, switch-mode power management, and current sensing circuitry.

The LM2794TL/NOPB Application Field and Working Principle are primarily used in LED lighting applications for lighting systems, automotive lighting, consumer products, and general illumination. The high efficiency integrated dimming controller simplifies LED design and provides an optimized LED current solution that can achieve high luminous flux with low LED current. The LM2794TL/NOPB also provides a highly efficient, programmable buck converter with adjustable dimming, and adjustable current via an external resistor and constant on time. Furthermore, the driver offers a low pulse-lighting feature for customized dimming effects for decorative applications. By combining the LM2794TL/NOPB with an external MOSFET, a highly versatile switching power supply can be designed in cost-sensitive applications.

The LM2794TL/NOPB features a wide dimming range (up to 100%) and low to medium-speed dimming (up to 500 Hz). It also features a high power-derating capability, allowing it to maintain output current up to 85°C. The LM2794TL/NOPB has an adjustable hysteretic voltage loop, which provides a good dimming performance with a wide range of dimming speed. It also supports built-in temperature and current sensing, allowing it to detect and protect against overloads, as well as provide improved dimming performance at high temperatures.

The LM2794TL/NOPB is also designed to operate within a wide range of input voltages, allowing it to drive a wide range of LED voltages. With the integrated current limiter, it is also capable of providing stable, safe LED current at high LED voltages. In addition, the device provides a wide range of settings and flexibility, making it suitable for a range of LED designs.

The LM2794TL/NOPB also includes a programmable clock divider that can be configured to control the dimming speed of the LED outputs, allowing for greater flexibility when creating complex dimming patterns. Additionally, the device supports programmable over-temperature protection, allowing for more accurate temperature sensing and protection for the LED outputs.

The LM2794TL/NOPB is an ideal LED driver PMIC for LED designs that require a reliable, efficient, and programmable LED dimming solution. It boasts a wide dimming range, superior performance, and a versatile design for a variety of LED applications. The device is well-suited for applications such as LED lighting systems, automotive lighting, consumer products, and general illumination.

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