World’s First Integrated Load Switch for P-Channel MOSFET Replacement in Low Voltage, Fast Turn-On Power Rail Applications

Nanopower™ load switches are tiny, fast, ultra-efficient, with near zero power consumption offered in TDFN packages based on Silego’s CuFET™ technology

SANTA CLARA, Calif. — (BUSINESS WIRE) — October 15, 2013 — Silego Technology’s Power Division introduces the Nanopower load switch family. The Nanopower family launches with two products: the SLG59M1470V supporting up to 6 A loads and the SLG59M1460V supporting up to 2 A loads. Silego’s proprietary sub-micron copper power FET technology supports the world’s smallest full-featured, high efficiency power switches down to 1 x 1 mm in standard plastic packaging.

Nanopower load switches support very fast power rail switching down to 9.5 μs. This fast switch-on characteristic allows any sub-system to be powered quickly while providing power isolation when off. When enabled the SLG59M1470V only consumes 35 nA in active mode. The ultra-low power consumption during sleep mode and low Rds(ON) performance during active mode significantly increases battery life.

“Mobile system designers desire load switches that achieve three parameters at the same time: fast turn on, low Rds(ON), and low power consumption. Existing P-Channel MOSFET solutions achieve decent turn on speed with low power consumption, but suffer high Rds(ON) when the power rail is below 2.5 V,” said Jay Li, Director of Marketing. “Our Nanopower devices are the world’s first integrated load switches that achieve all three key mobile performance parameters. This device is widely adopted on many next generation mobile devices including tablets, notebooks, and smartphones.”

SLG59M1470V is packaged in a 9 pin, 1.5 x 2.0 mm STDFN package. The device can switch power rails down to 1.0 V. The Rds(ON) of the SLG59M1470V is rated at 7.4 mΩ.

SLG59M1460V is packaged in an 8 pin, 1.0 x 1.6 mm STDFN package. The device can switch power rails down to 1.0 V. The Rds(ON) of the SLG59M1460V is rated at 21.3 mΩ.

Target application:

  • Tablets
  • Smartphones
  • Notebook computers
  • Any system requiring frequent wake & sleep cycles

For pricing, samples, datasheets, and technical information about these amazing load switches contact our four hour guaranteed response customer service team at: or our website:

About Silego – The CMIC Company

Silego Technology, the CMIC Company, designs and sells highly configurable power, logic, and timing mixed signal IC products referred to as CMICs (Configurable Mixed-signal IC Products). CMIC products integrate analog components, discrete digital logic, and passive components into highly configurable small, easy to use, low cost ICs. CMIC products provide customers the benefits of reduced component count, lower power consumption, less board space and reduced BOM costs. Silego CMICs provide the speed and flexibility of an FPGA, with programmable analog and digital elements.


Silego Technology
Victoria Yatskulyak, 408-327-8800
Silego WW MarCom Manager
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