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| 型号： | TPA3130D2DAP |
| 厂商： | Texas Instruments |
| 文件页数： | 10/35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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TPA3116D2
4.5 V–26 V
PSU
LC Filter
OUTPR
OUTNR
OUTPL
OUTNL
Right
Left
PBTL
Detect
SLOS708C – APRIL 2012 – REVISED NOVEMBER 2013
MONO MODE (PBTL)
The TPA31xxD2 family can be connected in MONO mode enabling up to 100W output power. This is done by:
Connect INPL and INNL directly to Ground (without capacitors) this sets the device in Mono mode during
power up.
Connect OUTPR and OUTNR together for the positive speaker terminal and OUTNL and OUTPL together for
the negative terminal
Analog input signal is applied to INPR and INNR
DEVICE PROTECTION SYSTEM
The TPA31xxD2 family contains a complete set of protection circuits carefully designed to make system design
efficient as well as to protect the device against any kind of permanent failures due to short circuits, overload,
over temperature, and under-voltage. The FAULTZ pin will signal if an error is detected according to the fault
table below:
Table 4. Fault Reporting
TRIGGERING CONDITION
LATCHED/SELF-
FAULT
FAULTZ
ACTION
(typical value)
CLEARING
Over Current
Output short or short to PVCC or GND
Low
Output high impedance
Latched
Over Temperature
Tj > 150°C
Low
Output high impedance
Latched
Too High DC Offset
DC output voltage
Low
Output high impedance
Latched
Under Voltage on
PVCC < 4.5V
–
Output high impedance
Self-clearing
PVCC
Over Voltage on
PVCC > 27V
–
Output high impedance
Self-clearing
PVCC
DC DETECT PROTECTION
The TPA31xxD2 family has circuitry which will protect the speakers from DC current which might occur due to
defective capacitors on the input or shorts on the printed circuit board at the inputs. A DC detect fault will be
reported on the FAULT pin as a low state. The DC Detect fault will also cause the amplifier to shutdown by
changing the state of the outputs to Hi-Z.
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 DC Detect
protection latch.
A DC Detect Fault is issued when the output differential duty-cycle of either channel exceeds 60% for more than
420 msec at the same polarity. Table x below shows some examples of the typical DC Detect Protection
threshold for several values of the supply voltage. This feature protects the speaker from large DC currents or
AC currents less than 2Hz. To avoid nuisance faults due to the DC detect circuit, hold the SD pin low at power-
up until the signals at the inputs are stable. Also, take care to match the impedance seen at the positive and
negative inputs to avoid nuisance DC detect faults.
The minimum output offset voltages required to trigger the DC detect are show in Table 5. The outputs must
remain at or above the voltage listed in the table for more than 420 msec to trigger the DC detect.
18
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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