參數(shù)資料
型號(hào): 71M6542G-IGT/F
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 模擬信號(hào)調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PQFP100
封裝: LEAD FREE, LQFP-100
文件頁數(shù): 162/165頁
文件大?。?/td> 2208K
代理商: 71M6542G-IGT/F
96
2008–2011 Teridian Semiconductor Corporation
v1.1
4.6
71M6542F Using 71M6x01 and Current Shunts
Figure 38 shows a typical two-phase connection for the 71M6542F using one isolated and one non-isolated
sensor. For best performance, the IAP-IAN current sensor input is configured for differential mode (i.e.,
DIFFA_E = 1, I/O RAM 0x210C[4]). The 71M6x01 Isolated Sensor Interface is used to isolate phase B. The
outputs of the 71M6x01 Isolated Sensor Interface are routed through a pulse transformer, which is
connected to the pins IBP-IBN. The IBP-IBN pins must be configured for remote sensor communication
(i.e., RMT_E =1, I/O RAM 0x2709[3]). See Figure 5 for the AFE configuration corresponding to Figure 38.
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
Pulse
Trans-
former
TERIDIAN
71M6XX1
PHASE B
LOAD
VB
NEUTRAL
PHASE
A
Shunt
Note:
This system is referenced to PHASE A
Figure 38: 71M6542F with 71M6x01 Isolated Sensor
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