Toshiba Launches Current-Feedback 4ch Power Amplifier IC for Car Audio with Built-In Full-Time Offset Detection

TOKYO--(BUSINESS WIRE)--Toshiba Corporation's (TOKYO:6502) Storage & Electronic Devices Solutions Company today announced the launch of “TCB501HQ,” a 4-channel power amplifier IC that detects output offset voltage that is a factor in speaker burnout. Mass production is scheduled to start in June 2016.

The new IC integrates a newly developed, full-time offset detection circuit. Conventional offset detection during sound reproduction is difficult. Toshiba’s new IC detects output DC offset voltage caused by leakage from the input capacitor and other sources, even during sound reproduction, and prevents speaker burnout.

The new IC integrates a current-feedback system of the type adopted in high-end hi-fi audio. This prevents sound quality degradation at wide bandwidths and offers consistent sound quality.

Specifications
Part Number	TCB501HQ
Maximum Output Power	49W x 4ch (Vcc=15.2V, RL=4Ω, MAXPOWER)
Operating Supply Voltage Range	6V-18V (4Ω), 6V-16V (2Ω)
Output Offset Voltage	90mV
Output Noise Voltage	33uV (BW=A-weight)
Embedded Functions and Features	High output power and low distortion Built-in mute and standby functions, offset detection, short circuit detection, and High-side switch driver. 6V operation (engine idling reduction capability） A range of protection circuits (thermal, overvoltage, output to VCC, output to GND, output to output protections）
Package	HZIP25-P-1.00F
Sample Price ( with tax)	500 yen

For more information about the new product, please visit:
http://toshiba.semicon-storage.com/ap-en/product/automotive/power-amp.html

Customer Inquiries:
Mixed Signal IC Sales & Marketing Dept.
Tel: [phone]
http://toshiba.semicon-storage.com/ap-en/contact.html

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 Corporation, a Fortune Global 500 company, channels world-class capabilities in advanced electronic and electrical product and systems into three focus business fields: Energy that sustains everyday life, that is cleaner and safer; Infrastructure that sustains quality of life; and Storage that sustains the advanced information society. Guided by the principles of The Basic Commitment of the Toshiba Group, “Committed to People, Committed to the Future”, Toshiba promotes global operations and is contributing to the realization of a world where generations to come can live better lives.

Founded in Tokyo in 1875, today’s Toshiba is at the heart of a global network of over 580 consolidated companies employing 199,000 people worldwide, with annual sales surpassing 6.6 trillion yen (US$55 billion). (As of March 31, 2015.)
To find out more about Toshiba, visit www.toshiba.co.jp/index.htm