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New Flash Drivers From ADI Offer Designers Best-in-class Efficiency (Photo: Business Wire)

Analog Devices, Inc. (ADI), a global leader in high-performance semiconductors for signal-processing applications, today introduced two flash LED drivers. The ADP1660 is a dual 750-mA (1500-mA total) flash LED driver available in a 2.0-mm x 1.6-mm 12-ball WLCSP package. The ADP1649 is a single 1000-mA LED driver available in a 2.0-mm x 1.5-mm 12-ball WLCSP package. Both parts exhibit best in class efficiency to extend battery life in smartphones and tablets and to limit the load on the battery during flash and torch events.

New Flash Drivers from ADI offer designers best-in-class efficiency (Photo: Business Wire)

New Flash Drivers from ADI offer designers best-in-class efficiency (Photo: Business Wire)

“Minimizing the current drawn from the battery during flash or torch mode is critical in today’s smartphone applications as new features and higher data rates increasingly load down the battery,” said Brian Wengreen, marketing manager, Power Management Products, Analog Devices. “The ADP1649 and ADP1660 not only have the industry’s lowest Rds(on) power FETs, which boosts efficiency and reduces input current, they also have special features, for example algorithms that adjust flash current autonomously during low battery conditions.”

More About the ADP1649/ADP1660 Flash LED Drivers

The ADP1649 and ADP1660 flash LED drivers reduce circuit board size by integrating a programmable 1.5-MHz or 3-MHz synchronous inductive boost converter which enables the use of a 1-mm-high, low-cost, 1-μH power inductor and 0603 case-size input and output capacitors. The two devices include I²C communication ports for added flexibility and safety control. The interface also enables the programmability of timers, currents and status bit readback.

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