HV816K6-G

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The HV816K6-G power management integrated circuit (PMIC) is designed to provide lighting, ballast controllers with the necessary resources to efficiently operate high-brightness light-emitting diodes (HBLEDs) or halogen bulbs. The device uses a high-efficiency step-up regulator to convert a low-voltage, low-power input to a high-voltage, high-power output, using switch-mode technology, thereby achieving high system efficiency. The device provides a programmable output for current control and protection for both the switch and HBLEDs. The device also features a low-power skip mode, pulse skipping current regulation, a wide-range of operating frequency, true differential current sensing, and precise loop stability.

The HV816K6-G is a self-contained solution for lighting, ballast controller applications that includes a high-voltage step-up regulator. The device combines a high-side switch plus controller, low-side switch plus controller, current sense divider and protection circuits, precise voltage feedback circuitry, oscillator/soft-start, and digital power processor all in one package. Its wide input voltage range of 4.5V to 38V allows the device to be used with various input sources, such as mains, battery, and DC-DC converters.

The HV816K6-G provides a programmable voltage step-up output that is adjustable to up to 80V and up to 600mA, making it suitable for high-power LED applications. The device also includes over-voltage, over-temperature, under-voltage, over-current and shoot-through protections for both the switch and the HBLEDs. There is also an adjustable frequency setting, ranging from 1.2kHz to 20kHz, and a skip-mode function to reduce power consumption during medium to low load.

The HV816K6-G uses a true differential current sense architecture for improved sensing accuracy and system efficiency, as well as improved loop stability. Furthermore, the device has an adjustable LED current and low LED current, allowing the user to reduce power dissipation when the output current is reduced.

The HV816K6-G is an ideal PMIC for applications that require high-efficiency, high-voltage and current step-up regulators for lighting, ballast control and protection. The device provides a wide input voltage range, programmable output voltage, adjustable frequency and true differential current sensing with precise loop stability, making it suitable for high-power LED applications.

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