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TPS23881B: TI工程师你好

Part Number:TPS23881B

你好,我们选用TPS23881B作为PSE 802.3 BT应用,实际电路没有任何MCU来控制,器件本身的IIC接口也没有引出,通过AUTO引脚7.7K下来配置为自主模式。但是芯片上电以后没有输出,MOS栅极也没有驱动信号输出且芯片INT引脚输出低。附图为我们的应用原理 图。望TI技术人员提供一下支持。

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Lydia:

您好,

已经收到了您的案例,调查需要些时间,感谢您的耐心等待。

,

songg ximing:

你好,等待你们的回复

,

Links:

您是否能够探测50V 电压轨和漏极1以及漏极2并发送示波器捕获? 在成功完成检测之前、MOS 的栅极不会打开。 ΔV、我们使用漏极引脚的电流源来测量 Δ B 并确定远端的检测电阻 检测电阻必须处于19kΩ 的- 26.5kΩ 范围内才能启动分类。 您是否在远端的 RJ45上连接了任何物件、例如 PD 器件?

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English

Arabic
Hebrew
Polish

Bulgarian
Hindi
Portuguese

Catalan
Hmong Daw
Romanian

Chinese Simplified
Hungarian
Russian

Chinese Traditional
Indonesian
Slovak

Czech
Italian
Slovenian

Danish
Japanese
Spanish

Dutch
Klingon
Swedish

English
Korean
Thai

Estonian
Latvian
Turkish

Finnish
Lithuanian
Ukrainian

French
Malay
Urdu

German
Maltese
Vietnamese

Greek
Norwegian
Welsh

Haitian Creole
Persian

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