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allitwares > Product News > Toshiba Electronics Europe launched a high efficiency quad channel power amplifier
Toshiba Electronics Europe launched a high efficiency quad channel power amplifier
Toshiba Electronics Europe has launched a highefficiency quad channel power amplifier that is optimised to the requirements of high-quality audio systems in vehicles fitted with ‘start/stop’ technology.
The new TB2975HQ is a Class KB amplifier that delivers four 49W channels of high-quality sound output yet offers a low typical noise value of 40μVrms and a standby current down to 0.01 μA. Built around a 0.13μm BiCD process, the new analogue power IC operates with just half the power dissipation of conventional Class AB amplifiers. As a result it allows designers to limit temperature through the use of smaller heatsinks.
Toshiba’s new device incorporates an I2C interface for control, configuration and diagnostics. Audio controls such as standby, adjustable mute delay and voltage gain can be operated via the interface, as can the sensitivity of the built-in clipping detection function. The latter offers three points of clip detection to ensure high quality sound output during different operating conditions.
For maximum diagnosis flexibility the TB2975HQ has three selectable tweeter detection ranges. Integrated permanent diagnosis capabilities include output short circuit detection, offset detection and loudspeaker open/half detection. In addition the device offers high levels of integrated protection functionality such as three thermal warning stages, thermal shutdown, and overvoltage protection. The TB2975HQ is supplied in a 25-pin HZIP package.
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Toshiba Electronics Europe (TEE) is the European electronic components business of Toshiba Corporation, which is ranked among the world’s largest semiconductor vendors. TEE offers one of the industry's broadest IC and discrete product lines including high-end memory, microcontrollers, ASICs, ASSPs and display products for automotive, multimedia, industrial, telecoms and networking applications. The company also has a wide range of power semiconductor solutions. TEE was formed in 1973 in Neuss, Germany, providing design, manufacturing, marketing and sales and now has headquarters in Düsseldorf, Germany, with subsidiaries in France, Italy, Spain, Sweden and the United Kingdom
