參數(shù)資料
型號: 90E36ERGI
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 模擬信號調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PQFP48
封裝: TQFP-48
文件頁數(shù): 18/75頁
文件大?。?/td> 904K
代理商: 90E36ERGI
90E36
POLY-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
Function Description
25
August 24, 2011
3.7.5
TRANSITION OF POWER MODES
The above power modes are controlled by the PM0 and PM1 pins. In
application, the PM0 and PM1 pins are connected to external MCU. The
PM0 and PM1 pins have internal RC- filters.
Generally, the 90E36 stays in Idle mode most of the time while out-
age. It enters Detection mode at a certain interval (for example 5s) as
controlled by the MCU. It informs the MCU if the current exceeds the
configured threshold. The MCU then commands the 90E36 to enter Par-
tial Measurement mode at a certain interval (e.g. 60s) to read related
current. After current reading, the 90E36 gets back to the Idle mode.
The measured current may be used to count energy according to
some metering model (like current RMS multiplying the rated voltage to
compute the power).
Any power mode transition goes through the Idle mode, as shown in
Figure-11 Power Mode Transition
Normal Mode
Idle Mode
Detection Mode
Partial
Measurement Mode
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相關代理商/技術參數(shù)
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