BQ27546芯片可采用I2C接口与上位机通信,请问在开发板BQ274546EVM的I2C接口电路部分,这两个稳压二极管是起到什么作用,与之相接的两个电阻又有什么作用?在设计时,能否把这两个稳压二极管去掉,直接在SCL和SDA线上上拉10k电阻到VCC?
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BQ27546芯片可采用I2C接口与上位机通信,请问在开发板BQ274546EVM的I2C接口电路部分,这两个稳压二极管是起到什么作用,与之相接的两个电阻又有什么作用?在设计时,能否把这两个稳压二极管去掉,直接在SCL和SDA线上上拉10k电阻到VCC?