mobile | classic
Dataweek Electronics & Communications Technology Magazine





Follow us on:
Follow us on Facebook Share via Twitter Share via LinkedIn


Search...

Electronics Buyers' Guide

Electronics Manufacturing & Production Handbook 2019


 

High-power LED driver
9 June 2010, Opto-Electronics

Micrel’s new MIC3223 is a monolithic switching regulator with integrated 3,5 A, 37 V power switch and can be used for driving 1 W or 3 W high-brightness LEDs.

With its peak current mode control boost architecture and integrated power switch delivering greater than 90% efficiency, the IC is optimised to provide constant current with changes in input voltage and output load. It can drive up to nine LEDs in series with ±5% current accuracy from an input voltage range of 4,5 V to 20 V. The device features a PWM dimming input and an output driver to drive an external N-channel FET for PWM dimming at frequencies up to 20 kHz.

The MIC3223 implements a fixed 1 MHz PWM control scheme to allow flexibility. The LED current can be programmed to a wide range of values through the use of an external resistor. The IC also features an enable pin for microcontroller power shutdown and an under-voltage lockout. It has a wide range of protection features including output over-voltage and over-temperature protection. The chip is available in an exposed pad TSSOP-16L package and operates over a junction temperature range of -40°C to 125°C.


Credit(s)
Supplied By: MB Silicon Systems
Tel: +27 11 728 4757
Fax: 086 633 4903
Email: info@mbsiliconsystems.co.za
www: www.mbsiliconsystems.co.za
  Share on Facebook Share via Twitter Share via LinkedIn    

Further reading:

  • RGB LEDs for decorative lighting
    26 June 2019, Würth Elektronik eiSos, Opto-Electronics
    Würth Elektronik’s new WL-SFTW and WL-SFTD series of RGB LEDs are targeted at accent and decorative lighting, optical displays as well as industrial applications. Thanks to their PLCC contacting design, ...
  • 4,3” TFT LCD module
    26 June 2019, Icorp Technologies, Opto-Electronics
    The RFE430W-AYW-DNN from Raystar is a 4,3” TFT display with a resolution of 480 x 270 pixels. It has a built-in SC7283 driver IC and supports an RGB 24-bit interface, with brightness of 500 nits, an aspect ...
  • High-intensity colour LEDs
    26 June 2019, Würth Elektronik eiSos, Opto-Electronics
    Würth Elektronik has expanded its LED portfolio with a particularly compact model family. The WL-SMCC series of SMT chip LEDs, available in 0402 and 0603 packages, is characterised by a full-surface lens ...
  • LEDs recognised for achieving natural light spectrum
    29 May 2019, NuVision Electronics, Opto-Electronics
    Seoul Semiconductor’s SunLike range of natural spectrum LEDs, first announced in 2017, have gone on to be recognised as an innovative technology for human-centric lighting at global lighting awards held ...
  • Infrared detectors
    29 May 2019, Würth Elektronik eiSos, Opto-Electronics
    Würth Elektronik eiSos is expanding its optoelectronics portfolio. Following infrared LEDs, the company now also offers a wide range of matching detectors. Developers of various infrared applications ...
  • Optical filters for electronic displays
    30 April 2019, Actum Electronics, Opto-Electronics
    Instrument Plastics’ extensive product range of optical filters for electronic displays includes EMC shielding, MRI and polycarbonate windows, lamination, diffusers, polarisers, glass and plastic filters, ...
  • FPGA-based video/imaging solution
    27 March 2019, Avnet South Africa, Opto-Electronics
    Microchip Technology released the new PolarFire FPGA imaging and video solution to address the challenges of developing complex computer algorithms which enable systems to capture and display information ...
  • 5G IoT modules
    27 March 2019, MB Silicon Systems, Telecoms, Datacoms, Wireless, IoT
    Quectel Wireless Solutions announced commercial 5G IoT modules featuring the Qualcomm Snapdragon X55 5G modem and antenna modules with integrated RF transceiver, RF front-end and antenna elements. Designed ...
  • LED lighting controller
    27 March 2019, EBV Electrolink, Opto-Electronics
    STMicroelectronics has combined its LED control know-how with advanced power technologies in a new all-in-one LED control chip designed to enable luminaires to save more energy and deliver better user ...
  • High-power DC laboratory PSU
    27 February 2019, MB Silicon Systems, Power Electronics / Power Management
    Bel Power Solutions and Protection’s new TSR10 is a robust, 10 kW, DC programmable laboratory power supply. It is a 3U, 19” rack mounted precision power supply which delivers clean and stable DC power, ...
  • Secure locking coax connector
    27 February 2019, MB Silicon Systems, Interconnection
    Gradconn has extended its coaxial cable assembly range by introducing the I-PEX MHF I LK micro connector. This option can now be specified on assemblies to connect antennas to wireless modules and other ...
  • Low-power SPI NOR Flash
    27 February 2019, MB Silicon Systems, DSP, Micros & Memory
    Targeting IoT, wearable and other battery operated applications, GigaDevice’s new SPI NOR Flash series, GD25WDxxCK, is designed with reduced power consumption under 1,65 V to 3,6 V supply voltage, and ...

 
 
         
Contact:
Technews Publishing (Pty) Ltd
1st Floor, Stabilitas House
265 Kent Ave, Randburg, 2194
South Africa
Publications by Technews
Dataweek Electronics & Communications Technology
Electronics Buyers’ Guide (EBG)

Hi-Tech Security Solutions
Hi-Tech Security Business Directory

Motion Control in Southern Africa
Motion Control Buyers’ Guide (MCBG)

South African Instrumentation & Control
South African Instrumentation & Control Buyers’ Guide (IBG)
Other
Terms & conditions of use, including privacy policy
PAIA Manual





 

         
    Classic | Mobile

Copyright © Technews Publishing (Pty) Ltd. All rights reserved.