Search results for "autonomous"
USB Power Manager, Buck & LDO PMIC Consumes only 12µA IQ with All Outputs On
Linear Technology has announced the LTC3553, a micropower multifunction power management integrated circuit (PMIC) solution for portable Li-Ion/Polymer battery-based applications. The LTC3553 integrates a USB-compatible linear PowerPath™ manager, a stand-alone battery charger, a high efficiency synchronous buck regulator, a low dropout linear regulator and pushbutton controller in an ultrathin (0.55mm) 3mm x 3mm QFN package. A pin-selectable st...
Single-IC USB Power Manager, Ideal Diode Controller & Battery Charger for Portable USB Devices
Linear Technology Corporation introduces the LTC4085, a monolithic autonomous power manager, ideal diode controller and standalone battery charger for portable USB devices. The LTC4085 features PowerPath™ control that provides power to the USB peripheral device and charges the peripheral's single-cell Li-Ion battery from the USB VBUS or a wall adapter power supply. To comply with USB current limit specifications, the LTC4085 automatically reduc...
USB Power Manager and Battery Charger in 18mm2 Package
Linear Technology has introduced the LTC4089 and LTC4089-5, each featuring an autonomous power manager, ideal diode controller and standalone high-voltage switching battery charger for portable USB devices. For high efficiency charging, their switching topology accommodates various inputs, including high voltage power sources up to 36V (40V max) such as 12V AC-DC wall adapters, FireWire ports or automotive batteries. In addition, they accept low-...
Dual Output Synchronous Step-Down DC/DC Controller with Digital Power System Management via I2C/PMBus Interface & Onboard EEPROM
Linear Technology announced the LTC3880/-1, a dual output high efficiency synchronous step-down DC/DC controller with I2C-based PMBus interface for digital power system management. The device combines best in class analog switching regulator performance with precision mixed signal data conversion for unsurpassed ease of power system design and management, supported by the LTpowerPlay software development system with easy-to-use graphical user int...
Highly integrated IEEE 802.3af/at-compliant PSE controller delivers up to 40W and saves space and cost in PoE+ powered devices
Maxim introduced the MAX5971B, a single-port power-sourcing equipment (PSE) controller for IEEE(R) 802.3af/at-compliant, high-power power-over-Ethernet (PoE+) applications. This device integrates a 0.5ohm power MOSFET, sense resistor, and current monitor to save space and cost in PSE systems--the typical application circuit requires fewer than eight external components. Additionally, the MAX5971B includes a 9-bit ADC and I2C interface to enable a...
MALI-T658 GPU Extends Graphics And GPU Compute Leadership for High Performance Devices
ARM has announced the ARM Mali-T658 Graphics Processing Unit (GPU) - the latest member of the Midgard architecture-based GPU family targeting high performance devices, such as superphones, tablets and smart-TVs. The Mali-T658 GPU leverages the unique ARM system-level approach to multicore reference design that optimizes both performance and energy-efficiency. To address high-end consumer requirements, the Mali-T658 GPU delivers up to ten times th...
NXP Announces Integrated LED Driver for LCD Backlighting Displays
NXP Semiconductors N.V. today announced its 3-channel LED driver, the UBA3077, for use in backlighting Liquid Crystal Displays (LCD). Based on NXP GreenChipT technology, the UBA3077 is a fully integrated switched-mode solution for multi-channel applications supporting the growing popularity of LED as a backlight source for TVs and PC monitors, as well as general lighting applications. For LCD backlighting, the UBA3077 drives LED strings with a ve...
Robert S. Hilbert Memorial Optical Design Competition Results from Synopsys
Synopsys today revealed that University of Rochester students Anthony Visconti and Brett Sternfield and University of Alabama in Huntsville student Josh Walters are the winners of the 2012 Robert S. Hilbert Memorial Optical Design Competition.
Infineon Introduces Wireless Receivers For Automotive and Consumer Applications
Infineon introduced an enhanced family of three wireless control receivers offering highest available sensitivity and low power consumption. The TDA5240, TDA5235 and TDA5225 devices provide multi-band support (315MHz, 434MHz, 868MHz and 915MHz) for worldwide coverage and are well-suited for use in various automotive applications, including Remote Keyless Entry (RKE) systems, Tire Pressure Monitoring Systems (TPMS), remote start, control, status ...
austriamicrosystems launches ambient light sensor for intelligent daylight harvesting
austriamicrosystems introduced at the Light+Building exhibition in Frankfurt, Germany, today its TSL4531 ambient light sensor device family, which enables sophisticated daylight harvesting for intelligent lighting systems and luminaires.