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RT7800B是整合了眾多功能的USB電力傳輸 (USB PD) 控制器,適用於任何具有USB Type-C (USB-C) 介面的筆記型電腦、平板電腦、手機或其他設備。它內嵌有ARM Cortex™-M0 MCU,可實現各種通訊協定和保護功能,滿足各種客制化的需求,容許設計者借由程式設定將USB-C埠定義為供電端、用電端或是雙重角色埠。
AnyPower™ = AnyVolt™ + AnyCurrent™
供給USB電源匯流排 (VBUS) 的輸出電壓可以50mV步進值任意調節 (AnyVolt™)
支援互聯網線上固件升級
支援USB-C VBUS輸出電流過流保護值任意可調 (AnyCurrent™)
對VBUS纜線下降進行補償 (CDC)
支援供電端、用電端和雙重角色
高度整合:►完成PD協定、策略引擎和設備策略管理的ARM CortexTM-M0 MCU,包含2個I2C介面►內建Rp, Rd和BMC實體層►自動IC偏置輸入選擇►符合規範的VBUS快速放電►有無電電池支援功能►提供USB插頭供電 (VCONN)►內建4個電荷泵N-MOSFET閘極驅動器
PDsafe™:►VBUS和VX引腳上的OVP檢測►VBUS引腳上的UVP檢測►VCONN1/2輸出電流限制►CC1和CC2引腳最高耐壓為22V
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