Advanced Analogic Technologies Incorporated
Sunnyvale, CA 94085
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Charge Pump suits multi-function LED flash applications.
Enabling designers to support current levels up to 800 mA with external resistor, AAT3174 simplifies design of applications supporting flash and movie modes by allowing designers to control LEDs via Simple Serial Control(TM) interface or by R(SET) pin. Product also optimizes power efficiency during extended torch mode operations by using tri-mode charge pump, which combines 1X, 1.5X, and 2X...
Read More »RGB Controllers operate over 1.8-5.5 V input range.
Lead-free 3-channel AAT4295 supports use of single RGB LED while 6-channel AAT4297 supports systems with 2 RGB LEDs. State of each output channel is controlled with single GPIO line via the EN/SET pin using S2Cwire(TM) serial digital interface, eliminating need for multiple discrete devices. Rated over -40 to +85Ã-
Read More »AnalogicTech Unveils Dual Path USB/AC Adapter Battery Charger IC
Embedded Digital Thermal Loop and USB Charge Reduction Loop Maximize Charging Current SUNNYVALE, Calif., Nov. 14 /-- Advanced Analogic Technologies Incorporated (AnalogicTech) (NASDAQ:AATI), a developer of power management semiconductors for mobile consumer electronic devices, today announced the AAT3686, a lithium-ion/polymer battery charger IC designed to operate off both USB and AC adapter...
Read More »Battery Charger IC operates from ac adapter or USB port.
Model AAT3685 single-cell battery charger IC supports constant charge currents up to 1 A. Designed to regulate battery charge voltage and current for any 4.2 V lithium-ion/polymer battery cell, it combines charging device, reverse blocking diode, and current sensing circuit in 3 x 3 mm TDFN package. IC adds serial interface output that reports any of 14 status states to microcontroller....
Read More »USB Battery Charger IC comes in 3 x 3 mm TDFN package.
Lead-free, 12-pin AAT3688 operates from USB port inputs and features charge reduction loop that monitors USB port voltage and adjusts current while battery is charging. Along with charging device, product integrates reverse blocking diode and current sensing circuit. Unit covers 4-5.5 V input range and regulates voltage and current for 4.2 V lithium ion/polymer battery cells. Charge current can...
Read More »DC/DC Converters suit GSM phone applications.
Available in fixed or programmable versions, Models AAT1146 and AAT2512 are designed for portable systems powered by single cell lithium-ion/polymer batteries. AAT1146 step-down converter delivers output as low as 0.6 V. AAT2512 is dual-channel synchronous buck converter. Featuring integrated temperature protection, both devices maintain 27 Ã-µA quiescent current, deliver load current up to...
Read More »Current-Output Charge Pump suits LED flash applications.
Tri-mode AAT3175 can drive up to 3 flash white LEDs at 300 mA total current with current sharing from 2.7-5.5 V source. It combines load switch (1X), fractional (1.5X), and doubling (2X) capability with internal sensing circuit to match output to LED requirements. Completely programmable via S2Cwire digital interface, product operates at 1 MHz switching frequency and can be set to 16 current...
Read More »Step-Down Converters target mobile electronic devices.
Available in 2.0 x 2.1 mm SC70JW-8 package, 1 MHz Models AAT1123 and AAT1143 supply 600 mA and 400 mA max output current, respectively, while maintaining low 25 Ã-µA no load quiescent current. Both units support input voltage range of 2.7-5.5 V and output as low as 0.6 V. Devices are available in fixed version with internal feedback or programmable version with external feedback resistor....
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