IS31LT3135-V1GRLS2-TR

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PMIC, or Power Management IC, is an integrated circuit, which is responsible for managing power flow in a system. Power management ICs provide enhanced efficiency and reliability. Among the many applications, LED Drivers are one of the major uses of PMICs. An LED Driver, simply put, is an electrical device that regulates the power to an LED or a string of LEDs. IS31LT3135-V1GRLS2-TR is one such type of LED Driver. In this article, we will discuss the IS31LT3135-V1GRLS2-TR application field and its working principle.

IS31LT3135-V1GRLS2-TR Application Field

IS31LT3135-V1GRLS2-TR is a high-performance LED driver IC with integrated lighting effect control and pulse-width modulation (PWM) for precision light illumination and dimming control. It is specially designed for backlighting applications and low power output applications. It is a single-chip integrated Flash LED driver designed to drive 1,2 or 3 LEDs, depending on the controller configurations. Used in combination with a logic driving, the IS31LT3135 allows the LEDs to be controlled in linear dimming, flash dimming, and pulse-width-modulation dimming. The IS31LT3135 also provides 1-Wire interface for a globally unique ID chip and temperature-based LED safe protection.

The application fields for IS31LT3135-V1GRLS2-TR include, but are not limited to, mobile phones, digital cameras, PDAs, MP3 players, LCD monitors, automotive displays and personal navigation devices. It is also used for personal entertainment systems and portable electronic devices.

IS31LT3135-V1GRLS2-TR Working Principle

The IS31LT3135-V1GRLS2-TR incorporates a high-efficiency, monolithic constant current LED driver that can handle up to 20V waveform. The main features of the driver include pulse wave modulation (PWM) dimming, LED safe protection and an integrated LED driver voltage monitor. It also features a single-wire interface and an embedded temperature-based LED safe protection. The IS31LT3135-V1GRLS2-TR is designed to drive 1,2 or 3 LEDs, depending on the controller configurations.

The IS31LT3135-V1GRLS2-TR also has an integrated LED driver voltage monitor. This will help monitor the output voltage for accurate dimming of the LED. It has an integrated boost converter which boosts the input voltage to the output voltage, thus allowing for more efficient LED dimming. It also has a single-wire interface which allows for connection multiple drivers, thus making it easier to dim the LEDs individually.

The IS31LT3135-V1GRLS2-TR also has an embedded temperature-based LED safe protection. This will help protect the LED from overheating and will shut down the LED completely if the temperature exceeds the defined set-point. This feature also helps to extend the life of the LED.

In conclusion, the IS31LT3135-V1GRLS2-TR is a high-performance LED driver IC with integrated lighting effect control and pulse-width modulation (PWM) for precise light illumination and dimming control. It is intended for use in a wide range of applications such as mobile phones, digital cameras, PDAs, etc. It is also beneficial for energy efficiency, as it has an integrated LED driver voltage monitor, an embedded temperature-based LED safe protection, and an integrated boost converter.

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