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| 型号： | TDF8599TD |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 70 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36 |
| 封装： | PLASTIC, SOT851-2, HSOP-36 |
| 文件页数： | 10/53页 |
| 文件大小： | 329K |
| 代理商： | TDF8599TD |
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TDF8599_2
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 02 — 30 July 2009
18 of 53
NXP Semiconductors
TDF8599
I2C-bus controlled dual channel class-D power amplier
8.6 Diagnostic output
8.6.1 Diagnostic table
Pins DIAG and CLIP have an open-drain output which must have an external pull-up
resistor connected to an external voltage. Pins CLIP and DIAG can show both xed and
I2C-bus selectable information.
Pin DIAG goes LOW when a short circuit to one of the amplier outputs occurs. The
microprocessor reads the failure information using the I2C-bus. The I2C-bus bits are set
for a short circuit. These bits can be reset with the I2C-bus read command.
Even after the short has been removed, the microprocessor knows what was wrong after
reading the I2C-bus. In principle, during a single I2C-bus read command, the old
information is read. To read the current information, two read commands must be sent,
one after another.
When selected, pin DIAG gives the current diagnostic information. Pin DIAG is released
instantly when the failure is removed, independent of the I2C-bus latches.
When OCP is triggered, the open-drain DIAG output is activated. The diagnostic output
signal during different short circuit conditions is illustrated in Figure 16.
Table 11.
Available data on pins DIAG and CLIP
Diagnostic
I2C-bus mode
Non-I2C-bus mode
Pin DIAG
Pin CLIP
Pin DIAG
Pin CLIP
Power-on reset
yes
no
yes
no
UVP or OVP
yes
no
yes
no
Clip detection
no
selectable
no
yes
Temperature pre-warning
no
selectable
no
yes
OCP/WP
yes
no
yes
no
DCP
selectable
no
yes
no
OTP
yes
no
yes
no
Fig 16. Diagnostic output for short circuit conditions
001aai786
AMPLIFIER
RESTART
shorted load
pull up V
AGND = 0 V
≈50 ms
NO
RESTART
short to GND or VP line
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDF8599TD/N2,512 | 功能描述:音频放大器 IC AMP AUDIO PWR 85W D 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 |
| TDF8599TD/N2,518 | 功能描述:音频放大器 IC AMP AUDIO PWR 85W D 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 |
| TDF8599TH | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:I2C-bus controlled dual channel 43 W/2 W single channel 85 W/1 W class-D power amplifier with load diagnostics |
| TDF8599TH/N2,512 | 功能描述:音频放大器 IC AMP AUDIO PWR 85W D 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 |
| TDF8599TH/N2,518 | 功能描述:音频放大器 IC AMP AUDIO PWR 85W D 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 |
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