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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
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Current-Feedback 4-channel Automotive Audio Power Amplifier IC with Built-In Full-Time Offset Detection: TCB502HQ
Toshiba Corporation’s Storage & Electronic Devices Solutions Company today announced the launch of the TCB502HQ, 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 December 2016.
To respond to growing demand for superior sound quality of car audio, 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, considering overtone of musical instruments or human voice.
The new IC also integrates a newly developed, full-time offset detection circuit. It detects offsets generated at the output stage even during playback and contributes to reduction of field failures, thus helping ensure high reliability.
- Maximum Output Power:
49W×4ch(VCC=15.2V, RL=4Ω, MAXPOWER) - Output Noise Voltage: 45µVrms (BW=DIN AUDIO)
- Operating Supply Voltage: 6 to 18 V (4Ω), 6 to 16 V (2Ω)
- Package: HZIP25-P-1.00F
Embedded Functions and Features
- High output and low distortion
- Built-in mute and standby functions, offset detection, and short-circuit detection
- 6 V operation (engine idling reduction)
- A range of protection circuits (thermal, overvoltage, output to VCC, output to GND, output to output)
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