HV825LG-G

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The HV825LG-G is a power management integrated circuit (PMIC) from Texas Instruments, specifically designed to control lighting ballasts. A ballast is a device that controls the current in an electronic circuit in order to provide the correct voltage for a given light source or lamp. This PMIC is designed to be used in lighting applications ranging from CFLs and lamps to LED lighting.

The HV825LG-G, with its On/Off lighting feature and dimming control, helps improve the energy efficiency of lighting systems. The device also includes a watchdog timer and lossless inrush current control. It also helps reduce the system’s total component count and cost by replacing many discrete parts with a single IC. It is available in small, 6-pin SOT23 and 5-pin SC-70 packages.

Working principle of the HV825LG-G

The HV825LG-G is a lighting ballast controller designed to supply power to an electronic circuit as well as to control the brightness of the lamp. It contains several components, such as regulators, drivers, comparators, PWM controllers, control logic and an integrated voltage detector. This device is able to sense the current passing through the lamp in order to control the light output. It also uses the PWM (pulse width modulation) technology to control the power delivered to the lamp, allowing for dimming and on/off operations.

The HV825LG-G is able to detect the power fault in the system and disconnect the lamp. The device is also able to detect the line voltage, so that it is compatible with any kind of power source, including batteries and AC/DC power sources. Additionally, the device has many protection features, such as over-voltage, over-temperature, under-voltage and current protection, making it safer to use.

In addition to its power control functions, the HV825LG-G includes an integrated reset circuit. This reset circuit helps protect the circuit from any transient events, such as power faults or voltage spikes. Additionally, it can be used to power cycle the system in case of a failure or error.

Applications of the HV825LG-G

The HV825LG-G has several applications in lighting, ballast and power control. It can be used in CFL lamps, LED and other lighting systems. Additionally, it can be used in motion detectors, solar lighting systems, security systems and other applications where power control is needed.

The HV825LG-G is also used in automotive and industrial applications. It can be used in the control of onboard lighting systems, for electric vehicle charging and discharging, and for motor control. Additionally, it can be used in motorized vehicles and highway lighting systems, as well as other power control systems.

Overall, the HV825LG-G is a versatile power management integrated circuit designed to control lighting ballasts, providing various features to enhance energy efficiency and performance.

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