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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.Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.
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Current-Feedback 4-channel Automotive Audio Power Amplifier IC with Built-In Full-Time Offset Detection: TCB501HQ
"TCB501HQ" integrates a newly developed, full-time offset detection circuit.
Conventional offset detection during sound reproduction is difficult.It detects output DC offset voltage caused by leakage from the input capacitor and other sources, even during sound reproduction, and prevents speaker burnout.
It also 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.
- Maximum Output Power:
49W × 4ch (VCC=15.2V, RL=4Ω, MAXPOWER) - Output Noise Voltage: 45µVrms (BW=DIN AUDIO)
- Operating Supply Voltage Range:
6 to 18 V (4Ω), 6 to 16V (2Ω) - Package: HZIP25-P-1.00F
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, shorted to VCC, shorted to GND and shorted load)
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