具有 SpeakerGuard™ 的 6W 立体声 D 类音频功率放大器 TPA3113
The 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.
10-V Supply
a 10-V Supply
for Heat Sinks
from 8 V to 26 V
Adjustable Power Limiter Plus DC Protection
Layout
Thermal Protection With Auto Recovery Option
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型号/品牌 | 代替类型 | 替代型号对比 |
---|---|---|
TPA3113D2 TI 德州仪器 | 当前型号 | 当前型号 |
TPA3137D2 德州仪器 | 功能相似 | TPA3113D2和TPA3137D2的区别 |
TPA1517 德州仪器 | 功能相似 | TPA3113D2和TPA1517的区别 |