LED circuit

Maxim Integrated's Automotive Backlight Driver with Integrated Boost Converter Sustains Full, Constant Brightness of In-Car Displays Even During Cold Crank Conditions

Retrieved on: 
Tuesday, July 6, 2021

SAN JOSE, Calif., July 6, 2021 /PRNewswire/ --Maxim Integrated Products, Inc. (NASDAQ: MXIM) introduces the four-channel, low-voltage MAX25512 automotiveLED backlight driver with integrated boost converter.

Key Points: 
  • SAN JOSE, Calif., July 6, 2021 /PRNewswire/ --Maxim Integrated Products, Inc. (NASDAQ: MXIM) introduces the four-channel, low-voltage MAX25512 automotiveLED backlight driver with integrated boost converter.
  • It is the only integrated solution that retains full, constant brightness of in-car displays even during extreme cold crank conditions down to 3V input voltage.
  • The highly integrated LED driver includes four 120mA channels with the industry's highest efficiency at 2.2MHz operation.
  • Maxim Integrated's MAX25512 LED backlight driver operates down to 3V after startup without the addition of a pre-boost converter, protecting the display from these power disruptions.

Automotive-Compliant LED Driver from Diodes Incorporated Simplifies Rear Lighting Designs

Retrieved on: 
Thursday, June 10, 2021

Diodes Incorporated (Nasdaq: DIOD) has expanded its portfolio of devices supporting automotive exterior illumination with the introduction of the AL5873Q three-channel linear LED driver targeted at simplifying rear lamp cluster designs.

Key Points: 
  • Diodes Incorporated (Nasdaq: DIOD) has expanded its portfolio of devices supporting automotive exterior illumination with the introduction of the AL5873Q three-channel linear LED driver targeted at simplifying rear lamp cluster designs.
  • Each of the AL5873Qs channels can drive up to 250mA, and is set via two reference resistors, which are connected to the driver ICs REF1 and REF2 pins.
  • Support for two different LED current levels enables more streamlined lighting systems as the same LEDs can be used in rear lamp clusters for tail and brake lamps.
  • The current on each channel is regulated to within a 4% tolerance, which allows better channel-channel matching in the rear combination lamps.

12-Channel LED Animation Controller for Automotive Lighting Applications

Retrieved on: 
Tuesday, March 16, 2021

System configurations determine clock source, Fault response modes, Global or local LED dimming, LED channel skew to prevent large current transients etc.

Key Points: 
  • System configurations determine clock source, Fault response modes, Global or local LED dimming, LED channel skew to prevent large current transients etc.
  • Beside direct LED drive, the LED control output can drive a LED Driver device or FETs.
  • IS32LT3134 is a unique LED Controller that enables animation lighting for a variety of interior and exterior lighting applications such as animated tail light, DRL, welcome light, emergency light to name a few.
  • Lumissils primary products are LED drivers for low to mid-power RGB color mixing and high power lighting applications.

Global Constant Current LED Driver Market Report 2020-2027 - ResearchAndMarkets.com

Retrieved on: 
Tuesday, January 12, 2021

The "Constant Current Led Driver Market Size, Trends & Analysis, by Power, by Technology, by End-Use, by Application, by Region, Forecasts to 2027" report has been added to ResearchAndMarkets.com's offering.

Key Points: 
  • The "Constant Current Led Driver Market Size, Trends & Analysis, by Power, by Technology, by End-Use, by Application, by Region, Forecasts to 2027" report has been added to ResearchAndMarkets.com's offering.
  • The Global Constant Current LED Driver Market is predicted to expand at a CAGR of 12.7% during the estimated timeframe to attain a market valuation of USD 30.93 billion by 2027, from USD 10.87 Billion in 2019.
  • The growing demand for constant current LED drivers is due to their higher threshold of current needed for LEDs.
  • However, the advent of IoT and the rising smart city infrastructure is boosting the requirement for constant current LED drivers.

Ultra Low Power RGBW LED Driver with Color Crossfade and Automated Sequences

Retrieved on: 
Tuesday, October 27, 2020

LEDs can consume a considerable amount of power therefore, the IS31FL3197 with its low voltage range of 2.0 to 3.3V, low 700A quiescent and 0.5A shutdown current simplifies low power management applications.

Key Points: 
  • LEDs can consume a considerable amount of power therefore, the IS31FL3197 with its low voltage range of 2.0 to 3.3V, low 700A quiescent and 0.5A shutdown current simplifies low power management applications.
  • The individual LED current can be configured for up to 10mA with current-level adjust to maintain consistent LED brightness and color.
  • Once programmed by the local microcontroller, the IS31FL3197 will continue its color crossfade or lighting sequences even when the microcontroller is shut down to conserve power.
  • Lumissils primary products are LED drivers for low to mid-power RGB color mixing and high power lighting applications.

Cuvée’s New Low-Voltage, High-Current LED Driver Delivers up to 36A for Industrial, Medical, and Entertainment Applications

Retrieved on: 
Wednesday, September 23, 2020

Cuve Systems has announced its LVHC Series of LED drivers specifically designed for low-voltage, high-current applications that are common to entertainment, industrial, and medical lighting solutions.

Key Points: 
  • Cuve Systems has announced its LVHC Series of LED drivers specifically designed for low-voltage, high-current applications that are common to entertainment, industrial, and medical lighting solutions.
  • View the full release here: https://www.businesswire.com/news/home/20200923005014/en/
    Standard, off-the-shelf driver replaces in-house design resources, support and custom driver development
    Weve eliminated the need to develop in-house custom drivers for low-voltage, high-current applications, said Ray Chock, CEO of Cuve Systems.
  • Weve integrated pulse control and LED monitoring to ensure the health and reliability of the system under these high-power conditions.
  • As with other Cuve LED drivers, when used with Luminus LEDs, Cuve offers a combined system warranty that covers both the LED and Driver.

Next Generation Configurable Matrix LED Driver Family

Retrieved on: 
Tuesday, June 23, 2020

The new IS31FL374x family of matrix drivers build on the success of similar matrix drivers; IS31FL3741 (351 LEDs) and IS31FL3742 (180 LEDs).

Key Points: 
  • The new IS31FL374x family of matrix drivers build on the success of similar matrix drivers; IS31FL3741 (351 LEDs) and IS31FL3742 (180 LEDs).
  • The IS31FL374x family of matrix LED drivers integrates many advanced features such as configurable matrix size, individual LED open/short detection, individual LED current adjust and PWM registers, all accessible via a fast 1MHz I2C or 12MHz SPI bus interface.
  • A configurable matrix size helps lower costs since the same matrix driver can be reused in different projects to support various LED array sizes without a major rewrite of the software.
  • LED matrix architectures typically experience a ghosting effect where an LED remains dimly ON due to a residual charge in the LED array matrix.

40V output, 18 Channel LED Drivers for Automotive and Industrial Applications

Retrieved on: 
Tuesday, April 21, 2020

This family of LED drivers are suitable for automotive and industrial applications requiring high voltage LED outputs to support a multi-count stack of LEDs per channel.

Key Points: 
  • This family of LED drivers are suitable for automotive and industrial applications requiring high voltage LED outputs to support a multi-count stack of LEDs per channel.
  • The drivers support 18 high voltage LED outputs which can be individually configured for optimal light output, whether performing RGB color or white illumination lighting.
  • This is a useful feature for applications such as industrial lighting which require individual control of 18 light zones.
  • This newly introduced family of high voltage LED drivers enhances our portfolio of feature-rich offerings for a broad range of applications such as industrial signage, automotive interior and exterior lighting.

ROHM's New 4ch Linear LED Drivers Ideal for 2-Wheel Rear Lamps

Retrieved on: 
Tuesday, April 7, 2020

Kyoto, Japan and Santa Clara, CA, April 07, 2020 (GLOBE NEWSWIRE) -- ROHM recently announced the availability of 4ch linear LED driver ICs with built-in MOSFET ideal for LED rear lamps (turn/stop), fog lamps and turn signals for automotive use.

Key Points: 
  • Kyoto, Japan and Santa Clara, CA, April 07, 2020 (GLOBE NEWSWIRE) -- ROHM recently announced the availability of 4ch linear LED driver ICs with built-in MOSFET ideal for LED rear lamps (turn/stop), fog lamps and turn signals for automotive use.
  • Furthermore, the individual LED control function makes it possible to drive vehicle LED lamps with different specifications using a single driver (instead of the 2 conventionally required).
  • The BD183x7EFV-M (BD18337EFV-M / BD18347EFV-M) series leverages thermal dissipation circuit and individual LED control function, that significantly reduces both board area and application design load for LED lamps.
  • Open/short detection for vehicle lamps, abnormality detection for each channel and other protection functions prevent damage to the circuit, LED driver and peripherals.

Global LED Driver Market (2019-2025)

Retrieved on: 
Wednesday, November 6, 2019

NEW YORK, Nov. 6, 2019 /PRNewswire/ -- The Global LED Driver Market size is expected to reach $11.4 billion by 2025, rising at a market growth of 16.6% CAGR during the forecast period.

Key Points: 
  • NEW YORK, Nov. 6, 2019 /PRNewswire/ -- The Global LED Driver Market size is expected to reach $11.4 billion by 2025, rising at a market growth of 16.6% CAGR during the forecast period.
  • An LED driver is a self-contained power supply that controls the power needed for an LED or LED array.
  • A LED light driver is like a controller; it increases and decreases the power level needed throughout the temperature of the LED.
  • Based on Supply Type, the market is segmented into Constant Current LED Driver and Constant Voltage LED Driver.