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71M6203 PDF даташит

Спецификация 71M6203 изготовлена ​​​​«Maxim Integrated» и имеет функцию, называемую «Isolated Sensor ICs».

Детали детали

Номер произв 71M6203
Описание Isolated Sensor ICs
Производители Maxim Integrated
логотип Maxim Integrated логотип 

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71M6203 Даташит, Описание, Даташиты
71M6103/71M6113/
71M6201/71M6203/
71M6601/71M6603
Isolated Sensor ICs
DATA SHEET
GENERAL DESCRIPTION
The 71M6103/71M6113/71M6201/71M6203/71M6601/71M6603
(71M6xxx) isolated sensor ICs enable Maxim Integrated’s 4th-
generation polyphase-metering 71M654x systems-on-chips
(SoCs) to use nonisolating sensors such as resistive shunts
without the need for costly and nonlinear isolation transformers
or CTs. Isolation is provided by low-cost pulse transformers that
form a bidirectional digital communication link between the
71M654x and the isolated sensor ICs.
The 71M6xxx isolated sensor ICs contain a 22-bit delta-sigma
ADC, an amplifier with differential inputs, a precision voltage
reference, a temperature sensor, and a supply voltage generator
that is energized by power pulses provided by the 71M654x.
In conjunction with the 71M654x metering SoCs, the isolated
sensor ICs offer unprecedented BOM cost reduction, immunity to
magnetic tampering, and enhanced reliability for single-phase
and polyphase applications.
FEATURES
0.1% Accuracy Over 2000:1 Current
Range
Exceeds IEC 62053/ANSI C12.20
Standards
Compatible with Shunt Resistors as Low
as 50µΩ
On-Chip Temperature Sensor Enables
Localized Digital Temperature
Compensation by the 71M654x
22-Bit ADC
Powered from the 71M654x Using Pulses
Sent Through the Transformer
3.3mW Typical Consumption
On-Chip Power Monitoring
Industrial Temperature Range
8-Pin Lead(Pb)-Free SO Package
Shunt Current Sensors
C
NEUTRAL
B
A
LOAD
POWER SUPPLY
NEUTRAL
Note: This system is referenced to Neutral
3x 71M6xx3
Pulse Transformers
AMR
IR
HOST
MUX and ADC
IADC0
IADC1
}IN*
VADC10 (VC)
I
I
ADC
ADC
6
7
}IC
VADC9 (VB)
IADC4
IADC5
}IB
VADC8 (VA)
IADC2
IADC3
}IA
V3P3A V3P3SYS GNDA GNDD
71M6543F/
71M6543H
PWR MODE
CONTROL
WAKE-UP
REGULATOR
VBAT
VBAT_RTC
TEMPERATURE BATTERY
SENSOR
MONITOR
VREF
SERIAL PORTS
TX
RX
MODUL- RX
ATOR TX
POWER FAULT
COMPARATOR
SPI INTERFACE
RAM
COMPUTE
ENGINE
FLASH
MEMORY
MPU
RTC
TIMERS
ICE
COM0...5
SEG
SEG/DIO
LCD DRIVER
DIO, PULSES
DIO
V3P3D
OSCILLATOR/
PLL
XIN
XOUT
*IN = Neutral Current
9/17/2010
BATTERY
RTC
BATTERY
LCD DISPLAY
8888.8888
PULSES,
DIO
I2C or µWire
EEPROM
32 kHz
For pricing, delivery, and ordering information, please contact Maxim Direct at
19-5704; Rev 3; 12/12
1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com.









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71M6203 Даташит, Описание, Даташиты
71M6xxx Data Sheet
Table of Contents
1 Hardware Description................................................................................................................. 4
2 Functional Description............................................................................................................... 4
3 Applications Information ........................................................................................................... 5
3.1 Product Selection ...................................................................................................................... 5
3.2 External Components for the 71M6xxx ................................................................................... 6
3.2.1 Current Sensor Side ........................................................................................................ 6
3.2.2 Pulse Transformer ........................................................................................................... 6
3.3 Connections to Sensors and to the 71M654x ......................................................................... 7
3.4 PCB Layout Considerations ..................................................................................................... 9
3.5 Compatibility with the 71M654x ............................................................................................. 10
4 Specifications............................................................................................................................ 11
4.1 Absolute Maximum Ratings.................................................................................................... 11
4.2 Recommended External Components................................................................................... 11
4.3 Recommended Operating Conditions ................................................................................... 11
4.4 Performance Specifications ................................................................................................... 12
4.4.1 Supply Current ............................................................................................................... 12
4.4.2 Power and Data Pulses ................................................................................................. 12
4.4.3 VCC Voltage Monitor ..................................................................................................... 12
4.4.4 Temperature Sensor...................................................................................................... 12
4.4.5 VREF Performance Specifications ................................................................................ 13
4.4.6 ADC Converter............................................................................................................... 14
4.5 Typical Performance Data....................................................................................................... 15
4.6 Package Outline Drawing........................................................................................................ 16
4.7 IC Pinout ................................................................................................................................... 17
4.8 Pin Description......................................................................................................................... 17
5 Ordering Information................................................................................................................ 18
6 Related Information .................................................................................................................. 18
7 Contact Information.................................................................................................................. 18
2









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71M6203 Даташит, Описание, Даташиты
71M6xxx Data Sheet
List of Figures
Figure 1: Block Diagram................................................................................................................................ 4
Figure 2: External Components Connected to the 71M6xxx ........................................................................ 7
Figure 3: Current Sensors Connected to the 71M6541D/F Using One 71M6x01 ........................................ 8
Figure 4: Current Sensors Connected to the 71M6543F/H or 71M6545/H with Three 71M6xx3................. 9
Figure 5: Copper Separation and Signal Traces for a Polyphase PCB...................................................... 10
Figure 6: Wh Error at Room Temperature (71M6203, 100A/0.1A, 60Hz/240V AC)................................... 15
Figure 7: VARh Error at Room Temperature (71M6203, 100A/0.1A, 60Hz/240V AC)............................... 15
Figure 8: SOIC-8 Package Outline ............................................................................................................. 16
Figure 9: Pinout for 8-Pin SO Package....................................................................................................... 17
List of Tables
Table 1: Remote Interface Commands ......................................................................................................... 5
Table 2: Product Variations........................................................................................................................... 6
Table 3: Absolute Maximum Ratings .......................................................................................................... 11
Table 4: Recommended External Components .......................................................................................... 11
Table 5: Recommended Operating Conditions........................................................................................... 11
Table 6: Supply Current Performance Specifications ................................................................................. 12
Table 7: Timing Specifications for Power and Data Pulses ........................................................................ 12
Table 8: VCC Voltage Monitor Specifications ............................................................................................. 12
Table 9: Temperature Sensor Specifications.............................................................................................. 12
Table 10: VREF Performance Specifications.............................................................................................. 13
Table 11: ADC Converter Specifications .................................................................................................... 14
Table 12: Pin Description ............................................................................................................................ 17
Table 13: Product Variations....................................................................................................................... 18
Table 14: Packaging Information, Corresponding CE Codes, and Ordering Numbers .............................. 18
3










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