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Toshiba Launches Small Sized 1-Channel High-Side Switch IPD for Automotive Application

Toshiba Corporation (TOKYO:6502) today announced the launch of "TPD1055FA", a 1-channel high-side switch IPD (intelligent power device) that adopts a small-sized package for use in automotive applications. Mass production is scheduled to start at the end of this month.

Toshiba: "TPD1055FA", a 1-channel high-side switch IPD with small WSON10 package for automotive appl ...

Toshiba: "TPD1055FA", a 1-channel high-side switch IPD with small WSON10 package for automotive applications. (Photo: Business Wire)

The product is fabricated with BiCD process, allowing introduction of a new WSON10 package line-up. This reduces the mounting area to approximately 30% that of equivalent products1 in a SOP-8 package, contributing to the downsizing of equipment.

Key Features

  • BiCD process (P-channel DMOS output@VDSS=40V)
  • Supply voltage: VDD(opr)=5 to 18V
  • Built-in protection and diagnostic functions:

Protection functions: overcurrent, overtemperature

Diagnostic functions: overcurrent, overtemperature, open load, short to VDD-output

  • Low Drain-Source ON-resistance

RDS(ON)=0.12Ω(max)@VDD=8 to 18V, Io=-2A, Tch=25°C

  • Small package

WSON10(3mm x 3mm)


Automotive applications that use a 12V battery with a 3A or lower current, such as solenoid valve drives, mechanical relay drives, driving lamps, and load switches.

[1] Comparison with “TPD1038F” and “TPD1053F”.

Customer Inquiries:
Power Device Sales and Marketing Department
Tel: +81-3-3457-3416

Information in this document, including product prices and specifications, content of services and contact information, is current on the date of the announcement but is subject to change without prior notice.

About Toshiba

Toshiba is a world-leading diversified manufacturer, solutions provider and marketer of advanced electronic and electrical products and systems. Toshiba Group brings innovation and imagination to a wide range of businesses: digital products, including LCD TVs, notebook PCs, retail solutions and MFPs; electronic devices, including semiconductors, storage products and materials; industrial and social infrastructure systems, including power generation systems, smart community solutions, medical systems and escalators & elevators; and home appliances.

Toshiba was founded in 1875, and today operates a global network of more than 590 consolidated companies, with 206,000 employees worldwide and annual sales surpassing 5.8 trillion yen (US$61 billion). Visit Toshiba's web site at

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