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XPD618 Datasheet(PDF) 9 Page - SHEN ZHEN FINE MADE ELECTRONICS GROUP CO., LTD.

Part # XPD618
Description  USB Type-C PD and Type-A dual-port controller
PDF  14 Pages
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Manufacturer  SUPERCHIP [SHEN ZHEN FINE MADE ELECTRONICS GROUP CO., LTD.]
Direct Link  https://www.superchip.cn
Logo SUPERCHIP - SHEN ZHEN FINE MADE ELECTRONICS GROUP CO., LTD.

XPD618 Datasheet(HTML) 9 Page - SHEN ZHEN FINE MADE ELECTRONICS GROUP CO., LTD.

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深圳市富满电子集团股份有限公司
SHEN ZHEN FINE MAD ELECTRONICS GROUP CO., LTD.
XPD740
USB Type-C PD 和 Type-A 双口控制器
Version 1.4
第
9页 共 14页
Copyright©2020, 云矽半导体
8 应用信息
8.1 功能模块图
Copyright©2020,云矽半导体
8.2 VPWR 和 VBUS
VPWR 是 USB Type-C 口 VBUS 和 USB Type-A 口 VBUSA 的输入电源,也是芯片的供电
电源。
VPWR 连接前级 AC-DC 或者 DC-DC 的电源输出端。建议靠近 VPWR 接对地电容 CVPWR,
推荐
CVPWR 典型值为 10µF。根据 USB 组织要求,Type-C 口 VBUS 需要接对地电容 CVBUS,
CVBUS 值不能大于 10µF。Type-A 口 VBUSA 可以根据应用需求接对地电容。
8.3 恒压环路与 OPTO、VFB
XPD740 内部集成恒压运算放大器,通过 OPTO 和 VFB 形成恒压环路(CV),如下图
所示。
OPTO 端口直接驱动光耦,可以省掉传统的 TL431。OPTO 可以耐压至 25V 以上。



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