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Panasonic Announces 'PSiP' Power Supply Module with 50% Smaller Footprint*1

Panasonic Corporation today announced that it will start shipping its new “PSiP” (Power Supply in Package) DC-DC regulator[1] power supply modules with integrated inductor later this month. These new products are optimized for use in power supply units for communication infrastructure equipment and industrial devices. The PSiP series modules will help facilitate designing power supply for products that require downsizing, such as small cell base stations, servers, surveillance cameras and measurement equipment.

Power supply module "PSiP", Panasonic Corporation, March 2014. (Photo: Business Wire)

Power supply module "PSiP", Panasonic Corporation, March 2014. (Photo: Business Wire)

Panasonic’s PSiP series has the smallest mounting area in the industry*2, with its unique configuration to mount all the necessary components for a DC-DC regulator, used in communication infrastructure equipment and industrial and other devices, into a single module. The new power supply modules also offer improved performance in terms of low heat generation and low noise profile.

They also eliminate the need of designing a separate power source system and reduce the burden of incorporating heat and noise considerations into circuit board design, thereby making the overall design time significantly shorter.

The PSiP power supply modules, NN31000A, NN31001A and NN31002A, are suitable for use in communications infrastructure equipment - such as radio base stations, light transceivers, routers, switches and servers - and industrial applications, as well as other applications such as security cameras and measuring devices.


  1. Shortening time for designing circuit boards
  2. Circuit board miniaturization with smaller package and reduced area for heat and noise generation
  3. Stable output voltage with high-speed response to prevent erroneous operation

Further information on the product and its design support tools are available at the following site:

Explanation of terms:

[1]   DC-DC regulator
A converter that converts DC (Direct Current) input voltage to the desired DC output voltage.


*1 Compared between a standard power supply board used in Panasonic’s existing 10A DC-DC regulator MCP (Multi Chip Package) with integrated MOSFET (NN30312A) and the board for the new product, NN31000A
*2 As of March 17, 2014, for a 10A output current DC-DC step-down power supply module

About Panasonic
Panasonic Corporation is a worldwide leader in the development and engineering of electronic technologies and solutions for customers in residential, non-residential, mobility and personal applications. Since its founding in 1918, the company has expanded globally and now operates over 500 consolidated companies worldwide, recording consolidated net sales of 7.30 trillion yen for the year ended March 31, 2013. Committed to pursuing new value through innovation across divisional lines, the company strives to create a better life and a better world for its customers. For more information about Panasonic, please visit the company's website at

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