參數(shù)資料
型號(hào): TPS2384PJDG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 4-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP64
封裝: GREEN, PLASTIC, HTQFP-64
文件頁數(shù): 6/50頁
文件大?。?/td> 1402K
代理商: TPS2384PJDG4
www.ti.com
AM Classification
SLUS634D – NOVEMBER 2004 – REVISED MARCH 2007
AUTO MODE FUNCTIONAL DESCRIPTION (continued)
After a successful discovery of a valid PD theTPS2384 enters the classification function that identifies the power
level based on the PD's current signature. The classification current level is measured at a reduced terminal
voltage of 17.5 V. During classification the power dissipation can be at its highest; therefore, to prevent over
temperature shutdown in auto mode only one port classifies at a time. When multiple ports successfully discover
and proceed to classification at the same time the auto sequencer processes each request separately allowing
only one port to enter classification. Figure 3 shows all 4 ports successfully detecting a valid PD at the same
time and than the classification of each port occurring separately.
Figure 3.
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