Toshiba Launches New Power Amplifier IC for Car Audio

- Reduces sound loss and noise in car audio during idling reduction –

TOKYO — (BUSINESS WIRE) — January 26, 2015Toshiba Corporation (TOKYO:6502) today announced the launch of “TCB001HQ,” a 4-channel power amplifier IC that improves noise tolerance in audio systems in cars with engine idling reduction systems. Samples are available now with mass production scheduled to start in March 2015.

Toshiba: New power amplifier IC "TCB001HQ" for car audio (Photo: Business Wire)

Toshiba: New power amplifier IC "TCB001HQ" for car audio (Photo: Business Wire)

The engines of cars with idling reduction systems often cut out, causing battery voltage to drop. By reducing the minimum operation voltage from 8V to 6V, the new power amplifier realizes stable operation and also prevents loss of sound and noise generation in car audio.

The IC improves noise tolerance with a newly developed filter circuit, and minimizes the influence of cellular phone waves on the sound. In addition, reinforced protection circuits realize higher reliability.



Part Number   TCB001HQ
Maximum Output Power 45W x 4ch (Vcc=15.2V, RL=4Ω, JEITA max)

Operating Supply Voltage Range

Output Offset Voltage 90mV
Output Noise Voltage 45uV (BW=DIN_AUDIO)
Embedded Functions and Features
  • High output power and low distortion
  • Built-in mute and standby functions, offset detection, short circuit detection, and prevention of speaker damage.
  • 6V operations (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 (tax included)   400 yen

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