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| 型号： | TPA3130D2DAP |
| 厂商： | Texas Instruments |
| 文件页数： | 11/35页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUD PWR 15W STER 32HTSSOP |
| 标准包装： | 46 |
| 系列： | SpeakerGuard™ |
| 类型： | D 类 |
| 输出类型： | 2 通道（立体声） |
| 在某负载时最大输出功率 x 通道数量： | 15W x 2 @ 8 欧姆 |
| 电源电压： | 4.5 V ~ 26 V |
| 特点： | 差分输入，静音，短路和热保护，关机 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 32-HTSSOP |
| 封装/外壳： | 32-TSSOP（0.240"，6.10mm 宽）裸露焊盘 |
| 包装： | 管件 |
| 其它名称： | 296-30432-5 |
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> 1.4sec
mP
TPA3116D2
SDZ
MUTE
FAULTZ
SDZ
MUTE
FAULTZ
SLOS708C – APRIL 2012 – REVISED NOVEMBER 2013
Table 5. DC Detect Threshold
PVCC (V)
VOS - OUTPUT OFFSET VOLTAGE (V)
4.5
0.96
6
1.30
12
2.60
18
3.90
SHORT-CIRCUIT PROTECTION AND AUTOMATIC RECOVERY FEATURE
The TPA31xxD2 family has protection from over current conditions caused by a short circuit on the output stage.
The short circuit protection fault is reported on the FAULTZ pin as a low state. The amplifier outputs are switched
to a high impedance state when the short circuit protection latch is engaged. The latch can be cleared by cycling
the SDZ pin through the low state.
If automatic recovery from the short circuit protection latch is desired, connect the FAULTZ pin directly to the
SDZ pin. This allows the FAULTZ pin function to automatically drive the SDZ pin low which clears the short-
circuit protection latch.
In systems where a possibility of a permanent short from the output to PVDD or to a high voltage battery like a
car battery can occur, pull the MUTE pin low with the FAULTZ signal with a inverting transistor to ensure a high-
Z restart, like shown in the figure below:
Figure 29. MUTE Driven by Inverted FAULTZ
Figure 30. Timing Requirement for SDZ
THERMAL PROTECTION
Thermal protection on the TPA31xxD2 family 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 trip point, the device enters into the shutdown state and the outputs are disabled. This is a
latched fault.
Thermal protection faults are reported on the FAULTZ terminal as a low state.
If automatic recovery from the thermal protection latch is desired, connect the FAULTZ pin directly to the SDZ
pin. This allows the FAULTZ pin function to automatically drive the SDZ pin low which clears the thermal
protection latch.
Copyright 2012–2013, Texas Instruments Incorporated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPA3130D2DAPR | 功能描述:音频放大器 15W Filter-Free Cl D Stereo Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TPA3130D2EVM | 功能描述:音频 IC 开发工具 TPA3130D2 Eval Mod RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| TPA3131D2 | 制造商:TI 制造商全称:Texas Instruments 功能描述:4W, 25W Filter-Free Class-D Stereo Amplifier with AM Avoidance |
| TPA3131D2EVM | 制造商:Texas Instruments 功能描述:TPA3131D2EVM - Boxed Product (Development Kits) 制造商:Texas Instruments 功能描述:EVAL BOARD FOR TPA3131D2 制造商:Texas Instruments 功能描述:EVAL BOARD, TPA3131D2 AUDIO AMP, Silicon Manufacturer:Texas Instruments, Silicon Core Number:TPA3131D2, Kit Application Type:Amplifier, Application Sub Type:Audio Power Amplifier - Class D, Kit Contents:Board, Guide 制造商:Texas Instruments 功能描述:, Silicon Manufacturer:Texas Instruments, Silicon Core Number:TPA3131D2, Kit App |
| TPA3131D2RHBR | 制造商:Texas Instruments 功能描述:TPA3118 IN RHB PACKAGE |
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