February 18, 2014
TOKYO 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 110 C, 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=-40 C to 110 C
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
Main Specifications Part Number TB2909FNG
Maximum Output Power 5W 1ch(Vcc=16V,RL=8 , JEITA max)
3W 1ch(Vcc=12V,RL=8 , JEITA max)
Operating Supply Voltage 6V to 16V
Operating Temperature Range -40 C to 110 C
Total Harmonic Distortion 0.08%(Pout=0.125W)
Output Noise Voltage 55 V
Embedded Functions and Features Built in mute, standby functions
Variety of abnormality detection functions (Speaker open, Output short-circuits to GND or VCC, Thermal, and Overload)
Variety of protection circuits (Thermal Shut Down, Over-voltage, Output shorted to VCC, Output shorted to GND , and Shorted load)
Package TSSOP16
Customer Inquiries
Mixed Signal Controller Group
Tel: +81-44-548-2821
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February 18, 2014
