Toshiba Launches New Power Amplifier IC for Car Audio
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Toshiba Launches New Power Amplifier IC for Car Audio

Reduces sound cuts and noise of car audio at engine idle reduction

TOKYO — (BUSINESS WIRE) — June 27, 2013Toshiba Corporation (TOKYO:6502) today announced that it has launched a 4 channel power amplifier IC, "TB2941HQ", that improves noise tolerance in audio systems in cars with engine idling reduction systems. Samples are available now with mass production scheduled to start in July 2013.
Engines of cars with idling reduction systems often cut out, causing battery voltage to drop. By reducing the minimum operation voltage from 8V to 6V, the new power amplifier realizes stable operation and makes it possible to prevent the loss of sound and noise in car audio.
This IC improves noise tolerance with a newly developed filter circuit, and minimizes the influence of cellular phone waves on the sound. Reinforced protection circuits realize high reliability.

Toshiba 4 channel power amplifier IC for car audio, "TB2941HQ" (Photo: Business Wire)

Toshiba 4 channel power amplifier IC for car audio, "TB2941HQ" (Photo: Business Wire)



Part Number   TB2941HQ
Maximum Output Power

49W x 4ch (VCC=15.2V, RL=4Ω, JEITA max)
70W x 4ch (VCC=14.4V, RL=2Ω, JEITA max)

Operating Supply Voltage Range

Total Harmonic Distortion 0.006% (POUT=4W)
Output Noise Voltage 55uV (BW=DIN_AUDIO)
Embedded Functions and Features
  • High output power and low distortion
  • Built in mute and standby functions, offset detection, and high side switch driver
  • 6V operations (Engine idling reduction capability)
  • Variety of protection circuits (thermal, overvoltage, output to VCC, output to GND, output to output protections, cross misconnection, VCC shorted to output when set-GND is opened, GND shorted to output when set-VCC is opened)
Package HZIP25-P-1.00F
Sample Price (Tax included)   500 Yen

Customer Inquiries:
Mixed Signal Controller Group
Tel: +81-44-548-2821

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 550 consolidated companies, with 202,000 employees worldwide and annual sales surpassing 6.1 trillion yen (US$74 billion). Visit Toshiba's web site at


Media Inquiries:
Toshiba Corporation
Semiconductor & Storage Products Company
Takashi Mochizuki, +81-3-3457-4963
Email Contact