USB VBUS/ID Detection

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1,Reference designs use the PMIC to handle VBUS pin detection; the SMB hardware detects the charger type.
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2,After the SMB358 completes detection, the charger type is passed to the USB PHY driver. The PHY driver notifies the SMB358 of the current drawn from the connected charger type.
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3,The USB ID detection is implemented through PMIC MPP1. PMIC MPP1 detects the ID when the micro-A/OTG cable is connected.

USB VBUS/ID Detection

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原文地址：http://www.cnblogs.com/zxc2man/p/7008045.html