參數(shù)資料
型號(hào)： 78M6618-IM/F
廠商： TERIDIAN SEMICONDUCTOR CORP
元件分類： 模擬信號(hào)調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, QCC68
封裝： ROHS COMPLIANT, QFN-68
文件頁(yè)數(shù)： 31/32頁(yè)
文件大?。?/td> 374K
代理商： 78M6618-IM/F
78M6618 Data Sheet
DS_6618_005
8
Rev. 1.3
IG
IH
MUX
VREF
4.9152 MHz
VBIAS
CROSS
CK32
VREF
MUX
CTRL
VA
MUX
V3P3A
FIR
VB
VBIAS
Σ ADC
CONVERTER
+
-
VREF
TEMP
VBAT
FIR_DONE
FIR_START
IC
ID
IE
IF
IA
IB
Figure 2: AFE Block Diagram
See the 78M6618 Programmer’s Reference Manual for more information regarding the programmability
of the 78M6618 AFE.
1.4.1 Analog Current and Voltage Inputs
Pins IA, IB, IC, ID, IE, IF, IG, IH, VA, VB are analog inputs the AFE that provide support for measuring
current and voltage in a variety of ways. Various current sensor technologies are supported including
Current Transformers (CT), Resistive Shunts and Rogowski coils.
1.5
Digital Computation Engine (CE)
The CE, a dedicated 32-bit digital signal processor, performs the precision computations necessary to
accurately measure energy. Typically CE calculations and processes include:
Scaling of the processed samples based on calibration coefficients.
Frequency-insensitive delay cancellation on all channels
90
° phase shifter (for narrowband VAR calculations).
Monitoring of the input signal frequency (for frequency and phase information).
Monitoring of the input signal amplitude (for sag detection).
Multiplication of each voltage and current sample to obtain the energy per sample.
RTM(Real Time Monitor) for debug purposes
Pulse Generators used to output CE status indicators (e.g. SAG) directly to designated DIO pins.
Due to the custom nature and complexity of the CE, generally, pre-compiled CE code is provided by
Teridian as a part of the available reference firmware and is not modified by the user. Please contact
Teridian support for more information regarding CE code.
See the 78M6618 Programmer’s Reference Manual for more information on interfacing to and
configuration of the 78M6618 CE.
相關(guān)PDF資料
PDF描述
78M6618-IMR/F/P SPECIALTY ANALOG CIRCUIT, QCC68
78M6618-IMR/F SPECIALTY ANALOG CIRCUIT, QCC68
78M6618-IM/F SPECIALTY ANALOG CIRCUIT, QCC68
78M6618-IM/F/P SPECIALTY ANALOG CIRCUIT, QCC68
78M6618-IMR/F/P SPECIALTY ANALOG CIRCUIT, QCC68
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
78M6618-IMR 制造商:TERIDIAN 制造商全稱:TERIDIAN 功能描述:Octal Power and Energy Measurement IC
78M6618-IMR/F 功能描述:計(jì)量片上系統(tǒng) - SoC 8 Out Sgl Phase Pwr & Energy Msrmt IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時(shí)鐘頻率:70 Hz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數(shù)量:12 片上 ADC: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel
78M6618-IMR/F/P 制造商:Maxim Integrated Products 功能描述:PROGRAMMED - LEAD FREE/TAPE & REEL - Tape and Reel
78M6618-IMR/F/PB1 制造商:Maxim Integrated Products 功能描述:- Tape and Reel
78M6618-IMR/F1 功能描述:計(jì)量片上系統(tǒng) - SoC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時(shí)鐘頻率:70 Hz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數(shù)量:12 片上 ADC: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel
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