LED Drivers

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LED driver ref design current balances for automotive daytime running

LED driver ref design current balances for automotive daytime running
This reference design is a dual string LED driver that implements an operational amplifier based circuit which balances the current in two LED rings. The operational amplifier circuit senses current in a reference string and uses feedback from a mirrored string to bias a MOSFET that egulates the current between the strings. 
12th October 2018

Simple buck-boost solution for LED drivers

Simple buck-boost solution for LED drivers
The latest addition to Allegro MicroSystems’ family of 62xx/808xx LED drivers for lighting, has been announced. The ALT80802 addresses a key market trend of three to four White LEDs in a single string powered from 12V battery input, which is well suited for Fog, Backup, DRL, Side Mirror and other Automotive Lighting applications. 
10th October 2018

High performance resonant controller IC with PFC

High performance resonant controller IC with PFC
Efficient and cost effective controller IC solutions enable optimised LED lighting solutions. Infineon Technologies AG has announced the introduction of the second-gen ICL5102 resonant controller IC designed specifically for power supply and lighting drivers. 
16th July 2018


Power module regulator suited for driving LEDs

Power module regulator suited for driving LEDs
A new product has been announced by Analog Devices, with the Power by Linear LTM8005 boost DC/DC µModule (power module) regulator designed for driving LEDs. The LTM8005 includes a DC/DC controller, power switch, Schottky diode and current sense resistor in a 9.0x11.25x2.22mm BGA package. 
16th July 2018

CLi Pro driver range comes with DALI and analogue variants

CLi Pro driver range comes with DALI and analogue variants
Harvard Technology has expanded its CoolLED Pro programmable driver range, with the addition of a CLi15 1-10V/0-10V Analogue dimmable and CLi40 DALI variants. Fully optimised for a wide range of connected lighting systems for a range of applications, the power factor corrected, fully isolated output driver, was initially launched in November 2017 at the LUX Live exhibition, in a 15W DALI variant, delivering a programmable output current range between 100-1400mA.
11th June 2018

LED emitters add candela and lumen density punch

LED emitters add candela and lumen density punch
Availability of the Lumileds LUXEON CZ optically advanced portfolio of colour and white LED emitters has been announced by RS Components. Designed to deliver a significant lighting punch in terms of candela and lumen density, the high-density portfolio offers an optimal LED solution for a range of lighting market sectors including: architecture and entertainment; colour-tuneable lamps; and speciality lighting use for emergency vehicles.
29th May 2018

Buck LED driver adds dimming for commercial lighting

Buck LED driver adds dimming for commercial lighting
The new AL8862 buck LED driver is made up of a wide input voltage range and integrated power MOSFET, and is a solutions well-suited for developers of LED lighting drive circuits looking to minimise board space and reduce BoM cost with excellent analogue and PWM dimming functions.
13th March 2018

Dev kit lets designers test and evaluate drive LED holder

Dev kit lets designers test and evaluate drive LED holder
  A development kit has been announced by TE Connectivity (TE) for its new LUMAWISE Drive LED Holder Type Z50, enabling luminaire designers to purchase a single unit for desktop testing, product evaluation and luminaire prototyping. Each kit contains an LED holder, a cable assembly and a thermal interface material.
16th February 2018

Constant-current LED drivers suitable for edge lighting

Constant-current LED drivers suitable for edge lighting
  As a result of growing demand for smaller LED lighting installations that also provide high efficiency and ultra-low EMI, Diodes Incorporated has extended its BCR420U and BCR421U families of linear LED drivers to include the BCR420UFD and BCR421UFD devices in the ultra-low profile DFN2020 package, making them suitable for 12 and 24V LED edge-lighting applications.
1st February 2018

LED drivers boast integrated power monitoring

LED drivers boast integrated power monitoring
Molex Transcend Smart LED Drivers are now shipping from Mouser Electronics.They are compact DC/DC LED components that drive the LED engines in the Transcend Network Connected Lighting System. Powered and controlled by a Transcend PoE Gateway, these devices feature integrated power monitoring that allow control of up to eight devices per gateway, as well as dual input/output connectors for daisy-chaining.
26th October 2017


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