Opto-Electronics


EL lamp driver

7 July 2010 Opto-Electronics

Maxim’s new MAX14514 is a ±15 kV ESD-protected, DC-to-AC converter designed for driving two electroluminescent (EL) lamps. It utilises an inductor-based boost converter to generate a high 300 VP-P voltage for maximum EL lamp brightness. A high-voltage, full-bridge output converts this high voltage to the AC waveform required to drive an EL lamp. The device provides capacitor-adjustable switching frequencies, resistor-adjustable slew-rate control for audible-noise reduction, and multiple options for controlling the output voltage. It is suitable for applications that require bright, efficient, even backlighting.

The MAX14514 enables aesthetic effects by featuring dimming/enable controls for each output to slowly turn on/off each lamp; the output voltage slowly ramps when the output is enabled or disabled. Featuring a wide +2,7 V to +5,5 V supply voltage range, the IC accepts a variety of voltage sources, such as lithium-ion (Li+) batteries and battery chargers. Fully specified over the -40°C to +85°C temperature range, the MAX14514 is available in a 3 x 3 mm, 14-pin TDFN package.

For more information contact Larry Gordon, CST Electronics, +27 (0)11 608 0070, [email protected], www.cstelectronics.co.za



Credit(s)



Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

Advanced HMI delivers enhanced durability
Fox Controls Rand Opto-Electronics
This compact touchscreen HMI from IDEC provides essential visualisation and high-performance multitouch control, even in the most space-limited applications.

Read more...
Powerful UVC disinfection
Opto-Electronics
The S3535-H emitter generates an output power of more than 150 mW per chip at 265 nm, providing the strongest germicidal effect currently available on the market.

Read more...
Front panels for electronics
Seven Labs Technology Opto-Electronics
In the world of electronics, the significance of a well-designed front panel cannot be overstated as it serves not only as the first point of interaction between users and devices, but also plays a crucial role in the functionality and aesthetics of electronic products.

Read more...
Cree: Illuminating the future of LED technology
Altron Arrow Editor's Choice Opto-Electronics
As a pioneer in this field, Cree LED has been instrumental in shaping the LED landscape, driving innovation and performance in this sector.

Read more...
New optical sensors for object detection
Opto-Electronics
A special feature of the Würth Elektronik sensors is that they filter out visible light up to 800 nm, rather than just up to 700 nm, like many other sensors of this type.

Read more...
HTML5 WebPanel with Linux, Android, or AutomationBrowser
Vepac Electronics Opto-Electronics
Having a front protection rating of IP65, and additional features such as Wi-Fi, Bluetooth, USB, RS232 integrated, these panels are an excellent solution for most industrial applications.

Read more...
Laser control for smart glasses
Opto-Electronics
TDK has developed the world’s first full-colour laser control device for 4K smart glasses using lithium niobate thin film.

Read more...
PVision introduces interactive PoS to South Africa
Opto-Electronics
Recently, PVision partnered with Nexmosphere, a company that transforms any digital display into an engaging experience using sensors and controls, to bring the next level of point-of-sale digital displays to consumers.

Read more...
InGaAs and SWIR surveillance
Opto-Electronics
Sensing in the SWIR range (wavelengths from 0,9 to 1,7 microns) has only recently been made practical by the development of Indium Gallium Arsenide (InGaAs) sensors.

Read more...
Programmable power and data acquisition modules
CST Electronics DSP, Micros & Memory
TapBus programmable power supply, metering and I/O modules include pre-implemented communication interfaces, automatic addressing, encryption, and configurable access control.

Read more...