Toshiba Launches Audio Power Amplifier ICs for Electric Vehicle Warning Sound System


toshiba

TOKYO--Feb. 18, 2014: Toshiba Corporation (TOKYO:6502) today announced the launch of “TB2909FNG”, an audio power amplifier IC that supports external audible outputs from vehicles, allowing use of electric vehicle warning sound systems in hybrid electric vehicles (HEVs) and electric vehicles (EVs). Mass production shipments will start today.

HEVs and EVs operating in all-electric mode without combustion engine run quietly, and they increasingly are being equipped with electric vehicle warning sound systems that simulate engine sound, so that pedestrians can recognize their approaching. The “TB2909FNG” guarantees operation at up to 110C, allowing use in electric vehicle warning sound system where stable operation at high temperature is required. The IC also integrates a wide range of abnormality detection functions and protection circuits, contributing to the safety and simplification of automotive systems.

Key Features of New Product

Operating temperature range: Ta=-40C to 110C Variety of abnormality detection functions: Speaker open, Output shorted to GND or VCC, Detection of high temperature, Detection of overload Variety of protection circuits: Thermal Shut Down, Over-voltage, Output to VCC, Output to GND, Shorted load Small sized package: TSSOP16

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