The TPA3113D2 is a 6-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™ speaker 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 TPA3113D2 can drive stereo speakers as low as 4 Ω. The high efficiency of the TPA3113D2, 87%, 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.

• 6-W/ch into an 8-Ω Loads at 10% THD+N From a 10-V Supply
• 12-W into a 4-Ω Mono Load at 10% THD+N From a 10-V Supply
• 87% 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 Speaker Protection Includes Adjustable Power Limiter Plus DC Protection
• Flow-Through Pinout Facilitates Easy Board Layout
• 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
• APPLICATIONS
  • Televisions
  • Consumer Audio Equipment
  • Monitors

All other trademarks are the property of their respective owners

• Audio input type
• Analog Input
• Architecture
• Class-D
• Speaker channels (Max)
• Stereo
• Power stage supply (Max) (V)
• 26
• Power stage supply (Min) (V)
• 8
• Load (Min) (ohms)
• 4
• Output power (W)
• 6
• SNR (dB)
• 102
• THD + N @ 1 kHz (%)
• 0.05
• Iq (Typ) (mA)
• 10
• Control interface
• Hardware
• Closed/open loop
• Closed
• Analog supply (Min) (V)
• 8
• Analog supply (Max) (V)
• 26
• PSRR (dB)
• 70
• Operating temperature range (C)
• -40 to 85

TPA3113D2的完整型号有：TPA3113D2PWP、TPA3113D2PWPR，以下是这些产品的关键参数及官网采购报价：

TPA3113D2PWP，工作温度：-40 to 85，封装：HTSSOP (PWP)-28，包装数量MPQ：50个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：NIPDAU，TI官网TPA3113D2PWP的批量USD价格：.741（1000+）

TPA3113D2PWPR，工作温度：-40 to 85，封装：HTSSOP (PWP)-28，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：NIPDAU，TI官网TPA3113D2PWPR的批量USD价格：.617（1000+）

TPA3113D2EVM — TPA3113D2 评估模块

TPA3113D2 是用于驱动立体声桥接式扬声器的 6W（每通道）高效 D 类音频功率放大器。高级 EMI 抑制技术使用户能够在输出端使用经济实惠的磁珠滤波器，同时又能满足 EMC 要求。SpeakerGuard 扬声器保护电路包含可调节功率限制器和 DC 检测电路。可调节功率限制器允许用户设置低于芯片电源电压的“虚拟”电压轨，以便限制通过扬声器的电量。DC 检测电路可以测量 PWM 信号的频率和振幅，如果输入电容器受损或者输入端出现短路，它就会关断输出级。

TPA3113D2 可以驱动低至 4Ω 的立体声扬声器。效率高达 87% 的 TPA3113D2 (...)

TPA3113D2 TINA-TI Reference Design

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