HV9923N3-G

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PMIC - LED Drivers are becoming increasingly popular for powering various kinds of lighting devices and systems. These devices can deliver power to lighting elements quickly, and reliably, while also providing flexibility and compatibility. One such device is the HV9923N3-G.

The HV9923N3-G is designed to drive high-power LEDs in both constant current and constant voltage applications, at a range of output voltages and currents. With a wide operating temperature range and 4kV ESD protection, the HV9923N3-G is a reliable and robust device ideal for demanding lighting applications.

The HV9923N3-G incorporates several features to ensure reliable operation in all operating conditions. Temperature compensated current limiting, thermal shutdown circuitry and soft-start features protect the system against over-current and/or over-temperature conditions. In addition, the HV9923N3-G also features a wide input voltage range and programmable hysteretic current or voltage foldback function.

The HV9923N3-G is easy to use and configure for different power levels. It has flexible dimming options with support for several protocols including external CAN, PWM, I²C and analog dimming. It also has an integrated pulse-by-pulse current limit feature that allows a wide range of maximum output current ratings, depending on LED type and operating conditions.

The HV9923N3-G is ideally suited to drive LEDs in many applications, including automotive, consumer, industrial and commercial lighting, stage and event lighting, horticultural lighting, and architectural lighting.

The working principle of the HV9923N3-G is based on a DC/DC buck converter circuit. The device accepts an input voltage, typically supplied by a DC/DC converter, battery, or adapter, and converts it to the required output voltage needed to drive the LEDs. The device uses an internal control system to measure and convert the input voltage to the specified output voltage or current. The output voltage is then regulated using an internal feedback loop, which senses and adjusts the output voltage as necessary to maintain a consistent level of power to the LEDs.

The HV9923N3-G makes it easy to power a variety of LED systems. With its wide operating temperature range, robust protection circuitry, flexible dimming options, and easy configuration, it is the perfect choice for many applications. It provides the reliability and power necessary to efficiently and effectively operate lighting systems, without the need for complicated and costly external circuitry.

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