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Texas Instruments
TPA3110-Q1 15-W Filter-Free Stereo Class-D Audio Power Amplifier With SpeakerGuard™

The TPA3110D2-Q1 is a 15-W (per channel) efficient, Class-D audio power amplifier for driving bridged-tied stereo speakers. Advanced EMI suppression technology enables the use of inexpensive ferrite bead filters at the outputs while meeting EMC requirements. SpeakerGuard protection circuitry includes an adjustable power limiter and a DC detection circuit. The adjustable power limiter allows the user to set a virtual voltage rail lower than the chip supply to limit the amount of current through the speaker. The DC detect circuit measures the frequency and amplitude of the PWM signal and shuts off the output stage if the input capacitors are damaged or shorts exist on the inputs.
The TPA3110D2-Q1 can drive stereo speakers as low as 4 Ω. The high efficiency of the device, 90%, eliminates the need for an external heat sink when playing music.
The outputs are also fully protected against shorts to GND, VCC, and output-to-output. The short-circuit protection and thermal protection includes an auto recovery feature.

• Qualified for Automotive Applications
• AEC-Q100 Qualified With the Following Results:
   – Device Temperature Grade 1: –40°C to 125°C
      Ambient Operating Temperature Range
   – Device HBM ESD Classification Level H2
   – Device CDM ESD Classification Level C2
• 15-W/ch Into 8-Ω Loads at 10% THD+N From a
   16-V Supply
• 10-W/ch Into 8-Ω Loads at 10% THD+N From a
   13-V Supply
• 30-W Into a 4-Ω Mono Load at 10% THD+N From
   a 16-V Supply
• 90% Efficient Class-D Operation Eliminates Need
   for Heat Sinks
• Wide Supply Voltage Range Allows Operation
   from 8 V to 26 V
• Filter-Free Operation
• SpeakerGuard™ Protection Circuitry Includes
   Adjustable Power Limiter Plus DC Protection
• Flow Through Pin Out Facilitates Easy Board
• Robust Pin-to-Pin Short-Circuit Protection and
   Thermal Protection with Auto Recovery Option
• Excellent THD+N and Pop-Free Performance
• Four Selectable Fixed Gain Settings
• Differential Inputs

• Automotive Noise Generation for HEV/EV
• Automotive Emergency Call Systems (eCall)
• Automotive Infotainment Systems (i.e. Head Unit,
   Connectivity Gateway, Cluster, Telematics,
• ADAS Noise Generation for Blind Spot Detection,
   Security and Alarm Systems
• Professional Audio Equipment (Performance
   Amplifiers, Premium Microphones)
• Aerospace and Aviation Audio Systems

other parts : TPA3110D2QPWPRQ1  TPA3110Q1  
TPA3110-Q1 PDF


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