參數(shù)資料
型號: 71M6541F-IGT/F
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 模擬信號調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PQFP64
封裝: LEAD FREE, LQFP-64
文件頁數(shù): 161/165頁
文件大?。?/td> 2208K
代理商: 71M6541F-IGT/F
v1.1
2008–2011 Teridian Semiconductor Corporation
95
4.5
71M6542F Using Local Sensors
Figure 38 shows a 71M6542F configuration using locally connected current sensors. The IAP-IAN current
channel may be directly connected to either a shunt resistor or a CT, while the IBP-IBN channel is
connected to a CT and is therefore isolated. This configuration implements a dual-phase measurement
utilizing Equation 2. For best performance, both the IAP-IAN and IBP-IBN current sensor inputs are
configured for differential mode (i.e., DIFFA_E = 1 and DIFFB_E = 1, I/O RAM 0x210C[4] and 0x210C[5]).
The IBP-IBN input must be configured as an analog differential input disabling the remote sensor
interface (i.e., RMT_E = 0, I/O RAM 0x2709[3]). See Figure 4 for the AFE configuration corresponding to
MPU
RTC
TIMERS
IAP
VA
IBP
XIN
XOUT
RX
TX
RX
COM0...5
V3P3A V3P3SYS
VBAT
VBAT_RTC
SEG
GNDA GNDD
SEG/DIO
DIO
ICE
PHASE A
NEUTRAL
LOAD
8888.8888
PULSES,
DIO
IR
AMR
POWER FAULT
COMPARATOR
MODUL-
ATOR
SERIAL PORTS
OSCILLATOR/
PLL
MUX and ADC
LCD DRIVER
DIO, PULSES
COMPUTE
ENGINE
FLASH
MEMORY
RAM
32 kHz
REGULATOR
Shunt
POWER SUPPLY
TERIDIAN
71M6542F
TEMPERATURE
SENSOR
VREF
BATTERY
PWR MODE
CONTROL
WAKE-UP
PHASE A
I
2C or Wire
EEPROM
IAN
IBN
RTC
BATTERY
V3P3D
BATTERY
MONITOR
SPI INTERFACE
HOST
LCD DISPLAY
Resistor
Dividers
PHASE B
LOAD
VB
NEUTRAL
PHASE
A
Shunt
Note:
This system is referenced to PHASE A
11/5/2010
CT or
Figure 37: 71M6542F with Local Sensors
相關(guān)PDF資料
PDF描述
71M6543F-IGT/F SPECIALTY ANALOG CIRCUIT, PQFP100
71M6543H-IGTR/F SPECIALTY ANALOG CIRCUIT, PQFP100
71M6543F-IGTR/F SPECIALTY ANALOG CIRCUIT, PQFP100
71M6543H-IGT/F SPECIALTY ANALOG CIRCUIT, PQFP100
71M6543G-IGTR/F SPECIALTY ANALOG CIRCUIT, PQFP100
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