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Philips car radio IC combines power amp, voltage regulator

Posted: 29 May 2002 ?? ?Print Version ?Bookmark and Share

Keywords:tda8587j? automobile radio ic? car radio ic? integrated power amplifier and stabilizer? ipas ic?

Royal Philips Electronics has introduced the TDA8587J automobile radio IC that combines a power amplifier and multivoltage regulator with a power switch, thereby saving space and increasing the functionality of a radio unit.

"The incorporation of all the radio functions into one chip affords our customers savings not only in space but also in cost, which for mass-market radios is determined by both the material and assembly cost," said Niko Veenstra, senior marketing manager for Car Infotainment Systems, Philips Semiconductors.

The TDA8587J Integrated Power Amplifier and Stabilizer (IPAS) IC features 3.3V, 5V, and 8.5V switchable regulators with low drop, low noise, and warning output. The output is insensitive to short battery drops and features a proper start-up sequence with a delay capacitor and reset function. A standby regulator is also provided for the supply of the microcontroller.

The chip operates between 8V and 18V and also features IPAS protection, as well as a diagnostic option to protect the amplifier output stage from short circuits.

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