Power Management Devices offer hot swap support.

Press Release Summary:



Integrating charge pumps with programmable current, Models ispPAC®-POWR1014-2 and ispPAC-POWR1014A-2 control MOSFETs in hot swap and sequencing applications. POWR1014-2 combines 24 macrocell PLD and dual precision voltage monitoring comparators with accuracy of 0.3%, while POWR1014A-2 also integrates 10-bit ADC for voltage measurements and I2C interface that enables microcontroller to read status of all comparators. Both operate across power supply voltages of 2.8-3.96 V.



Original Press Release:



Lattice Announces Improved Hot Swap Support for Power Management Devices



- New Feature Expands MOSFET Options for Hot Swap Designs -

HILLSBORO, OR - NOVEMBER 9, 2009 - Lattice Semiconductor Corporation (NASDAQ: LSCC) today announced the addition of two new higher performance devices to its second generation Power Manager II product family. Both the ispPAC®-POWR1014-2 and ispPAC-POWR1014A-2 devices integrate higher voltage charge pumps with programmable current to control MOSFETs in Hot Swap and Sequencing applications. These new devices are pin compatible with existing Power Manager II devices, and integrate power management functions that typically require multiple ICs, including Hot Swap Controllers, Reset Generators, Voltage Supervisors, Sequencers and Trackers. The ispPAC-POWR1014A-2 device also replaces Analog-to-Digital Converter (ADC) ICs used for power supply voltage measurements, controlled through a standard I2C interface.

"Compared to the cost of traditional single function ICs, customers currently save up to 30% when using our Power Manager II devices to integrate power management functions in a board with six or more power supplies," said Shyam Chandra, Lattice's Product Marketing Manager for mixed signal devices. "Now, with the integration of Hot Swap functionality, these new, higher performance Power Manger II devices can save our customers up to 40%."

POWR1014/A-2 Device Architecture

The POWR1014-2 device integrates a 24 macrocell ruggedized PLD (programmable logic device) and dual precision voltage monitoring comparators with an accuracy of 0.3%. The POWR1014A-2 device also integrates a 10-bit Analog to Digital Converter (ADC) for voltage measurements and an I2C interface that enables a microcontroller to read the status of all the comparators, inputs as well as outputs. Both the POWR1014-2 and POWR1014A-2 devices have been ruggedized to operate across a wide range of power supply voltages from 2.8V to 3.96V. These higher performance devices generate up to 12V using the on-chip charge pump, enabling integration of 5V Hot Swap Controllers using MOSFETs with higher gate threshold voltages.

Power Management Applications

The ispPAC-POWR1014-2, due to its low cost and very small footprint, is ideally suited to provide a complete board power management solution in consumer, telecom and automotive applications, including customer premises equipment (CPE), Plasma Display Panel TVs and in-cabin multimedia. The POWR1014A-2 device addresses applications such as Advanced Mezzanine Cards (AMC), PrPMC, basestation line cards, edge router line cards and servers that require power supply voltage measurement in addition to standard power management functions.

Software Support

Designs for the ispPAC-POWR1014-2 and the ispPAC-POWR1014A-2 devices are implemented using the Windows-based Lattice PAC-Designer® Software, Version 5.2, which is available for download free of charge from www.latticesemi.com/products/designsoftware/pacdesigner

Pricing and Availability

High volume (250KU+) pricing for the ispPAC-POWR1014-2 devices in the 48-pin TQFP package and industrial temperature range is $1.95, with the ispPAC-POWR1014A-2 devices priced 10% higher. Samples are available now.

About Lattice Semiconductor

Lattice is the source for innovative FPGA, PLD, programmable Power Management and Clock Management solutions. For more information, visit www.latticesemi.com

Lattice Semiconductor Corporation, Lattice (& design), L (& design), ispPAC, PAC-Designer and specific product designations are either registered trademarks or trademarks of Lattice Semiconductor Corporation or its subsidiaries in the United States and/or other countries.

GENERAL NOTICE: Other product names used in this publication are for identification purposes only and may be trademarks of their respective holders.

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