参数资料
型号: 71M6541F-DB
厂商: Maxim Integrated Products
文件页数: 96/166页
文件大小: 0K
描述: DEMO BOARD 71M6541F
标准包装: 1
系列: *
71M6541D/F/G and 71M6542F/G Data Sheet
4.6
71M6542F/G Using 71M6x01 and Current Shunts
Figure 38 shows a typical two-phase connection for the 71M6542F/G 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 .
PHASE A
NEUTRAL
Shunt
LOAD
Note:
Shunt
PHASE B
NEUTRAL
LOAD
This system is referenced to PHASE A
POWER SUPPLY
PHASE A
71M6XX1
MUX and ADC
IAP
V3P3A V3P3SYS GNDA GNDD
PWR MODE
Pulse
IAN
CONTROL
Trans-
former
VB
71M6542F/G
WAKE-UP
REGULATOR
VBAT
BATTERY
VA
IBP
IBN
TEMPERATURE
SENSOR
VBAT_RTC
BATTERY
MONITOR
RTC
BATTERY
TX
AMR
IR
HOST
VREF
SERIAL PORTS
TX
RX
MODUL- RX
ATOR
POWER FAULT
COMPARATOR
SPI INTERFACE
RAM
COMPUTE
ENGINE
FLASH
MEMORY
MPU
RTC
TIMERS
COM0...5
SEG
SEG/DIO
LCD DRIVER
DIO, PULSES
DIO
V3P3D
OSCILLATOR/
PLL
XIN
LCD DISPLAY
8888.8888
PULSES,
DIO
I 2 C or μWire
EEPROM
32 kHz
ICE
XOUT
Figure 38: 71M6542F/G with 71M6x01 Isolated Sensor
96
Rev 4
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