Part Number:TUSB4020BI
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在应用中希望TUSB4020BI的外部配置电阻尽可能少,有些需要的配置与内置的上下拉一致,还需要外部再加电阻进行强化吗?
比如SMBUSz有内置上拉电阻,应用需要用到 I2C模式,这样还需要外部再加上拉电阻吗?
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如果要使用 EEPROM,我建议在 SCL 和 SDA 端子上加 1K 的上拉电阻。不要在这些端子上安装下拉电阻。请参阅数据表,了解 EEPROM 上应包含的正确值。
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