ACT6358NH-T

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Although light-emitting diodes (LEDs) have been around for decades, only recently have LED technology become powerful enough to be used in a wide range of applications. As the uses of LEDs become more numerous and diverse, there has been a growing demand for LED drivers. ACT6358NH-T is a pulse width modulation (PWM) LED driver that is designed to power many types of LED modules. It is able to do so due to its wide input voltage range, rapid startup and overcurrent protection. This article will explain the applications, features and working principle of ACT6358NH-T in the context of PMIC - LED Drivers.

Applications

ACT6358NH-T is a high-efficiency, wide-input-voltage LED driver which is ideal for applications that require 6-channel current boost and over-current protection. This driver can handle up to 3A of peak current per channel and is well suited for driving a variety of LEDs that require large amounts of current. It can be used in applications such as automotive head lamps, RGB lighting, general lighting, camping lights and industial lighting, among others. It can also be utilized in AC/DC converters for industrial automation.

Features

The ACT6358NH-T PMIC is a compact unit that features a plethora of features. Firstly, it has a wide range of input voltage capabilities, ranging from 8V to 36V. Additionally, it is designed to have an ultra-fast start-up time of 500ns, allowing it to power up quickly in an emergency situation. Furthermore, it provides over-current protection, preventing the LEDs from overheating or overloading. Finally, it has a low power consumption, reducing the total system power and improving overall energy efficiency.

Working Principle

The ACT6358NH-T LED driver uses pulse width modulation (PWM) to dim and turn on/off the LEDs that it powers. When the PWM duty cycle is set to 100%, the LEDs are turned on. A duty cycle of 0% turns the LEDs off. When the duty cycle is any other value, the LEDs are dimmed. The driver converts the input voltage into current to power the LEDs. The current is then regulated and kept constant by the driver\'s internal over-current protection mechanism. This allows the driver to maintain a consistent brightness of the LEDs and maintain their longevity. Additionally, it allows for precise dimming control of the LEDs.

In conclusion, the ACT6358NH-T PMIC is a high-efficiency, wide-input-voltage LED driver that is well-suited for driving a variety of LEDs. It can handle large amounts of current and can be used in a wide range of applications. The driver also has a wide range of input voltages, fast startup time and over-current protection, making it an ideal choice for LED applications. Finally, it utilizes pulse width modulation (PWM) to control the brightness of the LED and ensure its longevity.

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