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Display and Lighting

ADI offers LED drivers that range from automotive to display and keypad LED-backlighting applications. Products like the AD8240, designed for automotive applications, both drive and monitor the LED assembly. The AD8240 lowers system cost by reducing the complexity associated with LED driving, includes overcurrent protection, and is available in a MSOP package. The ADP8860/70 charge pump LED drivers are designed for driving up to seven white LEDs in parallel and has a built-in controller for automatic light adjustment based on ambient conditions. The ADP8860/70 can independently control each LED sink allowing one LED backlight driver to be used for multiple lighting requirements such as LCD backlight and keypad backlighting at the same time. These intelligent state-machine products improve battery life by reducing processor interaction and improve time to market by reducing software complexities.

Have questions about ADI's Power products? Visit the Power Support Community on EngineerZone.

NEWS

NEW PRODUCTS

  • ADD5205- Four-String White LED Driver
    ADD5205:Four-String White LED Driver

    The ADD5205 is a white LED driver for backlight applications based on high efficiency, current mode, step-up converter technology. It is designed with a 0.3 Ω internal switch and 1 MHz fixed operating frequency. The ADD5205 contains four regulated constant current sources for uniform brightness intensity. Each current source is capable of driving up to 25 mA.

    The ADD5205 has four parallel MoreRead more

    Data Sheet Rev 0, 10/2011 (pdf 434kB)
    ADD5205 Diagram

RESOURCES & RELATED INFORMATION

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LCD Power

Part#
Results: 2		Product DescriptionTopologyApplicationPeak Efficiency (%)Switching FreqVin max (V)Vin min (V)PackageOut Voltage (V)Ripple Out (p-p)US Price 1000-4999
ADM8832Charge Pump Regulator for Color TFT PanelsCapacitiveLCD Bias90%100KHz3.6V2.6V20-Lead LFCSP-10.2, 5, 15.30.01, 0.05 $2.02
ADM8839Charge Pump Regulator for Color TFT PanelsCapacitiveLCD Bias82%100KHz4.2V2.7V20-Lead LFCSP-15, 5, 150.01, 0.05 $1.98
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LED Drivers

Part#
Results: 10		LED #LED ConfigurationI2C SupportMax Iout (mA)Brightness ControlPeak Efficiency (%)Over Volt Protection (V)US Price 1000-4999
ADD52054ParallelNo100mAPWM-28V $1.15
ADM88434ParallelYes30mAPWM88%- $0.5
ADM88456ParallelNo30mAPWM88%- $0.71
ADP55016SerialYes30mAI2C-24V **
ADP55206SerialYes30mAI2C-24V $1.66
ADP88607ParallelYes60mAI2C89%- $1.36
ADP88617ParallelYes60mAPWM89%5.8V $1.22
ADP88637ParallelYes60mAI2C89%5V $1.22
ADP88669ParallelYes25mAI2C92%- $1.48
ADP88707ParallelYes60mAI2C89%5.8V $1.48
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LED Flash Drivers

Part#
Results: 3		Product DescriptionLED #LED ConfigurationTopologyI2C SupportMax Iout (mA)Brightness ControlUS Price 1000-4999
ADP16501.5 A LED Flash Driver with I2C-Compatible Interface1SerialInductiveYes1.5AI2C $0.95
ADP1653Serial 2 WLED Flash Driver2SerialInductiveYes500mAI2C $1.45
ADP1655Serial 2 WLED Flash Driver2SerialInductiveYes400mAI2C $0.95
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Enter values and click on ADIsimPower to find power management solutions. Launch of ADIsimPower Voltage Regulator Design Tool
Available System Voltage Operating Voltage Rail Load Current
Vin (min) V Vin (max) V Vout V Iout A
Download tools for ADIsimPower Tools for digital power management Supervisor Parametric Search
Stand-alone Excel-based design tools from ADIsimPower. These tools provide schematics, bill of materials, and other simulation data. Software is what makes digital power management both highly programmable and easy to configure. Use this to obtain the Graphical User Interface and interface connectors. Do you want supervisors with those ICs? Find the supervisor with the features and functionality for your application.
     
tools for hot wap tools for sequencing
μPMU (micro power management units) are multi-output regulators that let you generate multiple voltage rails in a small package and at low costs for the total functionality. Use the above link to obtain the software and interface connectors for controlling and monitoring hot-swap products. Use the above link to obtain the software and interface connectors for controlling and monitoring sequencing products.
     
 
Let these signal chains for power management give you ideas on additional power supply components that will make your power supply design more robust and efficient. RedyKit™ simplifies product evaluation by providing two assembled and tested evaluation boards, plus a full set of product options.  
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