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參數(shù)資料
| 型號(hào)： | TPA3106D1VFPR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 40 W, 1 CHANNEL, AUDIO AMPLIFIER, PQFP32 |
| 封裝： | 7 X 7 MM, GREEN, PLASTIC, HLQFP-32 |
| 文件頁數(shù)： | 16/35頁 |
| 文件大小： | 1250K |
| 代理商： | TPA3106D1VFPR |
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SHORT-CIRCUIT PROTECTION AND AUTOMATIC RECOVERY FEATURE
THERMAL PROTECTION
SLOS516B – OCTOBER 2007 – REVISED MARCH 2007
The TPA3106D1 has short-circuit protection circuitry on the outputs that prevents damage to the device during
output-to-output shorts, output-to-GND shorts, and output-to-VCC shorts. When a short circuit is detected on the
outputs, the part immediately disables the output drive. This is a latched fault and must be reset by cycling the
voltage on the SHUTDOWN pin or MUTE pin. This clears the short-circuit flag and allows for normal operation if
the short was removed. If the short was not removed, the protection circuitry again activates.
The FAULT terminal can be used for automatic recovery from a short-circuit event, or used to monitor the status
with an external GPIO. For automatic recovery from a short-circuit event, connect the FAULT terminal directly to
the MUTE terminal. When a short-circuit event occurs, the FAULT terminal transitions high indicating a
short-circuit has been detected. When directly connected to MUTE, the MUTE terminal transitions high, and
clears the internal fault flag. This causes the FAULT terminal to cycle low, and normal device operation resumes
if the short-circuit is removed from the output. If a short remains at the output, the cycle continues until the short
is removed. If external MUTE control is desired, and automatic recovery from a short-circuit event is also desired,
an OR gate can be used to combine the functionality of the FAULT output and external MUTE control, see
Thermal protection on the TPA3106D1 prevents damage to the device when the internal die temperature
exceeds 150
°C. There is a ±15°C tolerance on this trip point from device to device. Once the die temperature
exceeds the thermal set point, the device enters into the shutdown state and the outputs are disabled. This is not
a latched fault. The thermal fault is cleared once the temperature of the die is reduced by 30
°C. The device
begins normal operation at this point with no external system interaction.
Copyright 2007, Texas Instruments Incorporated
23
Product Folder Link(s): TPA3106D1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPA3106D1VFPR | 制造商:Texas Instruments 功能描述:Audio Power Amplifiers |
| TPA3106D1VFPRG4 | 功能描述:音頻放大器 40W Mono Class-D Audio Power Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA3107D2 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:15-W STEREO CLASS-D AUDIO POWER AMPLIFIER |
| TPA3107D2_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:15-W STEREO CLASS-D AUDIO POWER AMPLIFIER |
| TPA3107D2EVM | 功能描述:音頻 IC 開發(fā)工具 AUD POWER AMP RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V |
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