ADI introduces a new LED backlight driver to reduce the current demand of small displays...

To further expand the lighting management system (LMS) product line, signal processing application semiconductor manufacturer Analog Devices (ADI), the US company, has released the new ADP8860 white LED (W LED) backlight driver, which is the first charge pump. A member of the new family of configuration components.

The ADP8860 features ambient light sensing, a highly programmable buffer bank, and sophisticated fading and dimming options to dramatically reduce backlight power consumption by up to 50%. To work with other LMS sister products ADP5520 lighting management system and ADP5588 variable I/O expander. Optimize power management for system designers who want low-power, low-voltage, and other products that require backlighting in small displays or small keyboards for consumer, medical, industrial, and instrumentation electronics. In terms of goals, this flexible architecture can help simplify it.

For challenging applications, marine and portable navigation devices, radar scanners, and consumer mobile phones need to be able to maintain consistent display in a variety of ambient lighting environments. The ADP8860 can support 1.7 to 3.3V I/O operation. The component has a configuration-configurable architecture that automatically detects the level of ambient light and adjusts the brightness of the backlight based on changes in lighting conditions to improve ease of use.

Like other ADI LMS components, the ADP8860's LMS capability allows the device to automatically determine and adjust the minimum gain required for light levels, compared to conventional charge pumps that use the same illumination gain for all conditions. Components, power consumption can be reduced by up to 50%. The unit also features multiple segment lighting capabilities to support major display devices, as well as other navigation, special features, keypads, and indicator displays to achieve significant power savings while maintaining desired vision. Illuminated level display device. The LMS also helps to minimize processor intervention, extending the autonomy of the component - the time required for the charging room, and increasing the battery life by up to 35%.

The single-chip ADP8860 features parallel configuration settings that can control up to seven LEDs capable of providing complex deuteration and fade-in/fade-out functions. Group 6 is 30mA maximum and 60mA. One flexibility is independent LED control. Provides the ability to achieve minimum/maximum current and fade in/out time, or offload fade/fade out of the group LED control from the processor and save power. For example, a design engineer can set a small group of LEDs to backlight the display device, then assign a single LED to drive the keypad's illumination, as well as network connections and charging indicators. The single-chip ADP8860 backlight driver also enables system designers to quickly and easily upgrade non-LMS components, providing the required complex fade and deuteration functions, as well as extending battery life and allowing users to operate under a variety of lighting conditions. Have an enhanced media visual experience.

Samples of the ADP 8860 WLED backlight driver are available now in a compact 2 mm × 2.4 mm × 0.6 mm 20-bump WLCSP package or a small 4 mm × 4 mm × 1 mm 20-pin LFCSP package. The ADP8860 is priced at $1.70 in 1,000-unit quantities.

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