CCFL Controller and Inverter Modules
Backlight Inverter Products
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RangeMAX™ is a new CCFL DC to AC inverter that uses digital dimming techniques to provide an extremely wide brightness range for any LCD application. |
| Microsemi‘s RangeMAX series of Direct Drive CCFL (Cold Cathode Fluorescent Lamp) Inverter ICs and Modules are specifically designed for driving LCD backlight lamps. | |
| Our patented RangeMAX inverters integrate Direct Drive and brightness control, providing a small form factor, high-efficiency, extended dimming inverter. | |
| Unlike traditional dimming CCFL inverters, the RangeMAX line provides the designer a vastly superior display brightness range. Up to 100:1+ brightness range is achievable with some models and our wide range dimming provides exceptional display readability at less than 1% of full brightness, allowing both power savings and low ambient light operating capability (i.e. "night readable"). | |
| PanelMatch™ is a feature that allows one inverter to properly match a drive a number of LCD panels. The CCFL lamp current requirement varies with the make and model even for panels of the same size and configuration. PanelMatch uses two dedicated pins on the input connector (SET1 & SET2) to allow the user to program externally the maximum lamp current to match the manufacturer‘s specification. These maximum current setting inputs are in addition to the separate dimming (BRITE) control input. |
CCFLSelector Guide
CCFL Inverter Module - Single Lamp
CCFL Inverter Module - Dual Lamp
CCFL Inverter Module - Quad Lamp
Microsemi CCFL-presentation...
Human Eye visible Light Sensor to control the Backlight off TFT Panels:
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