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Load Switch ICs feature ultra-low ON resistance.

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July 18, 2014 - Offering wide input voltage operation from 1.1–5.5 V, Models TCK111G and TCK112G feature reverse current blocking, in-rush current reducing circuit, and thermal shutdown function. Switch ON resistance is 8.3 mΩ at 5.0 V and -1.5 A for load conditions. Model TCK112G additionally offers built-in auto-discharge. Available in WCSP6C package measuring 1.0 x 1.5 x 0.5 mm, ICs are suited for smartphones, tablet PCs, portable audio players, digital cameras, and other small mobile devices.

Toshiba Introduces New Ultra-Low ON Resistance Load Switch ICs


Toshiba America Electronic Components (TAEC)
9775 Toledo Way
Irvine, CA, 92618-1811
USA



Press release date: July 15, 2014

Toshiba Introduces New Ultra-Low ON Resistance Load Switch ICs

Featuring Reverse Current Blocking and Thermal Shutdown Function

IRVINE, Calif. -- Toshiba America Electronic Components, Inc. (TAEC)*, a committed leader that collaborates with technology companies to create breakthrough designs, today announced two new ultra-low ON resistance load switch ICs, the TCK111G and TCK112G, for power management in portable/mobile devices, such as smart phones, that require high-density board assembly.

The new load switch ICs offer reverse current blocking and a thermal shutdown function.  In addition, they feature ultra-low switch ON resistance, low quiescent current and a wide input voltage operation from 1.1 V to 5.5 V. Switch ON resistance is only 8.3 mΩ  at 5.0 V and -1.5 A for load conditions. The TCK111G and TCK112G also feature an inrush current suppressing slew rate control driver and output auto-discharge function (offered as an option on the TCK112G).

Available in a 0.5 mm pitch ultra-small package WCSP6C (1.0 mm x 1.5 mm, t: 0.5 mm (typ.)) the new devices from Toshiba are well-suited to smart phones but are also targeted to tablet PCs, portable audio players, digital cameras, camcorders, games and other small mobile devices.

Features:
--  Low ON resistance:
R(ON) = 8.3 mΩ (typ.) at V(IN) = 5.0 V, -1.5 A
R(ON) = 8.4 mΩ  (typ.) at V(IN) = 3.3 V, -1.5 A
R(ON) = 8.4 mΩ  (typ.) at V(IN) = 1.8 V, -1.5 A
R(ON) = 8.5 mΩ  (typ.) at V(IN) = 1.1 V, -1.5 A
--  Wide input voltage operation: V(IN) = 1.1 to 5.5 V
--  Reverse current blocking
--  Inrush current reducing circuit
--  Thermal shutdown function
--  Built in auto-discharge (TCK112G)
--  Pull down connection between CONTROL and GND
--  Ultra-small package: WCSP6C (1.0 mm x 1.5 mm, t: 0.5 mm (typ.))

Function table
Part Number Function
Inrush current limiter Reverse current blocking Thermal shutdown Output auto-discharge Control pin connection
TCK111G Built in Built in Built in N/A Pull down
TCK112G Built in Built in Built in Built in Pull down

Operation Logic table

1.1V  VIN  5.5V (Ta = -40 to 85°C)
    TCK111G TCK112G
Control "High" Output Q1 ON ON
Discharge Q2   OFF
Reverse current block Active Active
 Control "Low" Output Q1 OFF OFF
Discharge Q2   ON
 Reverse current block Active Active
Control "OPEN" Output Q1 OFF OFF
 Discharge Q2   ON
Reverse current block Active Active

Pricing and Availability
Toshiba's new ultra-low ON resistance load switch ICs are available now. Budgetary pricing is $0.20. Please contact your local Toshiba Sales Office for samples and pricing.

*About Toshiba Corp. and TAEC

About TAEC
Through proven commitment, lasting relationships and advanced, reliable electronic components, Toshiba enables its customers to create market-leading designs. Toshiba is the heartbeat within product breakthroughs from OEMs, ODMs, CMs, VARs, distributors and fabless chip companies worldwide. A committed electronic components leader, Toshiba designs and manufactures high-quality flash memory-based storage solutions, solid state drives (SSDs), hard disk drives (HDDs), solid state hybrid drives (SSHDs), discrete devices, custom SoCs/ASICs, imaging products, microcontrollers, wireless components, mobile peripheral devices, advanced materials and medical tubes that make possible today's leading smartphones, tablets, cameras, medical devices, automotive electronics, industrial applications, enterprise solutions and more.

Toshiba America Electronic Components, Inc. is an independent operating company owned by Toshiba America, Inc., a subsidiary of Toshiba Corporation, Japan's largest semiconductor manufacturer and the world's sixth largest semiconductor manufacturer (Gartner, 2013 Worldwide Semiconductor Revenue, December 2013). Founded in Tokyo in 1875, Toshiba is at the heart of a global network of over 590 consolidated companies employing over 200,000 people worldwide. Visit Toshiba's web site at www.toshiba.co.jp/index.htm.

For additional company and product information, please visit http://www.toshiba.com/taec.

© 2014 Toshiba America Electronic Components, Inc. All rights reserved.

Information in this press release, including product pricing and specifications, content of services and contact information,  is current and believed to be accurate on the date of the announcement, but is subject to change without prior notice.  Technical and application information contained here is subject to the most recent applicable Toshiba product specifications.

CONTACT:
COMPANY CONTACT:
Rebecca Bueno
Toshiba America Electronic Components, Inc.
Tel.: (949) 462-7885
rebecca.bueno@taec.toshiba.com

Web Site: http://www.toshiba.com/taec
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