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INA181: 请问一下INA181适用于BLDC低侧电流采样吗?

Part Number:INA181

    原理图如上,VBUS电压为24V-60V,这么设计有什么问题吗?我看有一个E2E帖子不推荐这么使用

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CC:

GND与AGND通过0R电阻单点连接。

,

Eirwen:

已经收到了您的案例,调查需要些时间,感谢您的耐心等待。

,

Links:

您好,

INA181在此配置中可以很好地工作。 我看不到该值,因为图片模糊,但输出引脚上的负载上限应小于1nF。 否则,请在输出引脚和盖之间添加一个电阻器,以防止振荡。 另一件要注意的事情是,不要违反-300mV输入共模电压,例如电机正在制动。 R70(?) 可能会让情况更糟。 如果您不介意我提问,此电阻器的用途是什么?

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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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CC:

感谢回复,R70我想用于硬件过流保护,采集R70电流,经比较器后,接入PWM定时器刹车引脚。

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