Power Management ICs feature 6 DC/DC regulators.

SAN JOSE, Calif. -- Micrel Inc., (Nasdaq: MCRL), an industry leader in high-performance Linear and Power solutions, LAN and timing and communications solutions, today introduced the MIC7400/MIC7401,  a new family of highly integrated and configurable power-management IC (PMIC) solutions featuring six independent DC/DC regulators.  Available in a small 4.5mm x 4.5mm FQFN package, this product family provides one of the industry's highest power density solutions with total solution size of 12mm x 8mm x 1mm.  The MIC7400/MIC7401 combine a total of five independent 3A synchronous buck converters, an independent 200mA non-synchronous boost converter, and numerous programmable features, providing a highly flexible power solution.  The device is targeted at SSDs and a growing number of applications deploying processors and SOCs, including smart-home and internet-of-things (IoT) devices.  The devices are available in volume quantities with 10,000 quantity pricing starting at $4.09.  Samples can be ordered on line at: http://www.samplecomponents.com/scripts/samplecenter.dll?micrel.

"End product design requirements continue to change with power requirements varying during product development while there is constant pressure on product designers to reduce board space," noted Brian Hedayati, vice president of marketing for high performance linear and power solutions at Micrel.  "Micrel's configurable PMIC provides a flexible solution that allows instantaneous adjustments for requirement changes thereby reducing design cycle time and time to market. The MIC7400/MIC7401 power architecture allows designers to enhance system efficiency across a range of power modes."

The devices are configurable via an I(2)C interface and an internal EEPROM. These highly configurable power management devices offer dynamic output voltage scaling, normal and standby modes, and start-up power sequencing order and delays.  Utilizing only 200 microamperes of quiescent current in normal mode, the MIC7400/MIC7401 also has a low power standby mode of operation that provides flexibility to reduce the quiescent current by decreasing output voltage or completely turning off any individual output.  This feature further optimizes efficiency in sleep/hibernate states and prolongs operating life in sensitive lower power applications.  The combination of power density and feature flexibility, in addition to superior fast transient response and light load performance, results in an efficiency-optimized high-density solution for space constrained applications while reducing design cycle time. 

The device is accompanied by a simple and intuitive graphical user interface (GUI) tool to aid in the configuration and monitoring.  The MIC7400/MIC7401 operates from a 2.4V to 5.5V input and can provide an output of 0.8V to 3.3V for the buck regulators with 1.5 percent output accuracy over line/load and temperature. The integrated boost regulator is capable of regulating output voltages from 7V to 14V.  Other configurable features include soft-start rise/fall times, current limit, output active discharge in-addition to the threshold and delay for the integrated power-on-reset circuitry.  The MIC7400 and MIC7401 are specified with a junction temperature range of -40-degC to +125-degC. 

About Micrel, Inc.
Micrel, Inc. is a leading global manufacturer of IC solutions for the worldwide high-performance linear and power, LAN, and timing and communications markets. The Company's products include advanced mixed-signal, analog and power semiconductors; high performance communication, clock management, MEMS-based clock oscillators and crystal-less clock generators, Ethernet switch and physical layer transceiver ICs. Company customers include leading manufacturers of enterprise, consumer, industrial, mobile, telecommunications, automotive, and computer products. Corporation headquarters and state-of-the-art wafer fabrication facilities are located in San Jose, CA, with regional sales and support offices and advanced technology design centers situated throughout the Americas, Europe and Asia. In addition, the Company maintains an extensive network of distributors and reps worldwide. Web: www.micrel.com.

CONTACT:
Julieanne DiBene
Marketing Communications
1-408-474-1276
Julie.DiBene@Micrel.com

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