CMOS IC filters car audio
Toshiba has added a power amplifier IC, based on its CMOS process, derived from Toshiba’s car audio IC R&D. The TCB001FNG is the latest in Toshiba’s family of high sound quality, low distortion, surface mount four-channel power ICs for automotive applications.
The TCB001FNG includes functions to detect and prevent abnormal noise with Toshiba’s original filtering technology. This is particularly applicable in situations when a device emitting high frequency noise, such as a mobile phone, is brought close to the audio system, explains the company.
The TCB001FNG has a maximum output power of 45W in a four-channel system into a four Ohm load. The supply can vary from six to 18V, allowing operation while the engine is idling or cranking. The IC includes in-built functionality such as mute, standby, offset detection and short detection.
Also included are multiple protection circuits including thermal shutdown, overvoltage, short to Vcc, short to GND and output-to-output short.
The IC is housed in a flat HSSOP surface mount package, which replaces the HZIP leaded package. According to Toshiba, the surface mount package contributes to system reliability and reduces assembly complexity and cost.
Mass production has started.
Toshiba Electronics Europe (TEE) is the European electronic components business of Toshiba Electronic Devices and Storage Corporation. TEE offers European consumers and businesses a variety of hard disk drive (HDD) products, together with semiconductors for automotive, industrial, IoT, motion control, telecomms, networking, consumer and white goods applications. The company’s portfolio encompasses integrated wireless ICs, power semiconductors, microcontrollers, optical semiconductors, ASICs, ASSPs and discrete devices ranging from diodes to logic ICs.
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