Integrated, single-chip step-down converter and load switch delivers power with protection
August 02, 2011 // Paul Buckley
Advanced Analogic Technologies, Inc., has introduced a 2.5 A output current synchronous DC/DC converter with an integrated, ±10 percent precision current limit load switch designed to safely and efficiently regulate the power in USB peripherals. Capable of supporting power levels beyond the USB 3.0 standard, the AAT2138 offers an ideal solution for a broad range of USB-powered devices including wireless modem data cards, portable hard drives or RAID systems, and card readers.
Hensen Wong, Product Marketing Manager at AnalogicTech, said: “Consequently, peripheral system designers must take great care to make sure they safely maximize the power they receive from the USB host. By offering the safety of a precision current limit switch and the 95 percent efficiency of a DC/DC converter together in a single package, the AAT2138 enables system designers to develop small form-factor, energy efficient products that never exceed the compliance of the USB power supply, even under harsh transient conditions.”
The AAT2138 delivers maximum flexibility in one of the smallest single chip solutions in the marketplace. Its broad feature set includes selectable PFM/PWM modes, an external synch clock up to 3 MHz, independent enable pins for the DC/DC converter and load switch, and adjustable output voltage and current limit. Additionally, the part is optimized for a 1 µH inductor with no external compensation required and comes in a miniature, lead-free, low profile 3 mm x 3 mm 14-pin TDFN package, making it ideal for space constrained applications.
The AAT2138 is currently shipping and is priced at $1.19 for 1K units.
Visit Advanced Analogic Technologies at www.analogictech.com
How industrial IoT will drive the MEMS market indirectly
December 19, 2014
Growth in the industrial Internet of Things equipment market is driving strong growth for microelectromechanical systems ...
Successful with phones & drones, Parrot ponders fFarming
Qimonda's late legacy: 28nm FeRAM
Volvo airs cloud-based cyclist protection system
Sony transforms eyewear into smart augmented reality devices
Harman grabs hidden infotainment gem S1nn
December 18, 2014
Automotive infotainment company Harman International Industries has reached an agreement to acquire S1nn GmbH & Co. Despite ...
Alps Electric puts cash into Qualtre
China VC lifts sensor startup to record funding
MIT discovers superconductor law
- New life for Embedded systems in the Internet of Things
- Virtualization and the Internet of Things
- RF/Microwave Instrumentation “S” Series Amplifiers
- Application Guide to RF Coaxial Connectors and Cables
InterviewCEO interview: Bosch's IoT startup is all about the system
Thorsten Mueller, CEO of Bosch Connected Devices and Solutions GmbH (Reutlingen, Germany), has been guiding the latest startup subsidiary of Robert Bosch GmbH since 2013 when he started the initiative ...
Filter WizardCheck out the Filter Wizard Series of articles by Filter Guru Kendall Castor-Perry which provide invaluable practical Analog Design guidelines.
Linear video channel
READER OFFERRead more
This month, Arrow Electronics is giving away ten BeMicro Max 10 FPGA evaluation boards together with an integrated USB-Blaster, each package being worth 90 Euros, for EETimes Europe's readers to win.
Designed to get you started with using an FPGA, the BeMicro Max 10 adopts Altera's non-volatile MAX 10 FPGA built on 55-nm flash process.
The MAX 10 FPGAs are claimed to revolutionize...MORE INFO AND LAST MONTH' WINNERS...
December 15, 2011 | Texas instruments | 222901974
Unique Ser/Des technology supports encrypted video and audio content with full duplex bi-directional control channel over a single wire interface.