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71M6113 Datasheet Preview

71M6113 Datasheet

Isolated Sensor

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71M6103/71M6113/
71M6201/71M6203/
71M6601/71M6603
Isolated Sensor ICs
DATA SHEET
GENERAL DESCRIPTION
The 71M6103, 71M6113, 71M6201, 71M6203, 71M6601, and
71M6603 (71M6xxx) isolated sensor ICs enable Silergy/Teridian
single- and polyphase-metering systems-on-chips (SoCs) to use
non-isolating sensors such as resistive shunts, eliminating the
need for costly isolation transformers or CTs. Isolation is provided
by low-cost pulse transformers (PTs) that form a bidirectional dig-
ital communication link between the host SoC and the isolated
sensor ICs. Power to the isolated sensor ICs is provided via the
PTs.
The 71M6xxx isolated sensor ICs contain a 22-bit delta-sigma
ADC, an amplifier with differential inputs, a precision voltage ref-
erence, a temperature sensor, and a supply voltage generator that
is energized by power pulses from the host SoC.
In conjunction with the host metering SoCs, the isolated sensor
ICs offer unprecedented BOM cost reduction, immunity to mag-
netic tampering, and enhanced reliability for single-phase and pol-
yphase applications.
The isolated sensor ICs operate over the industrial temperature
range and are available in lead (Pb)-free SOIC-8 packages.
Shunt Current Sensors
C
NEUTRAL
B
LOAD
A
BENEFITS AND FEATURES
Reduce BOM by Replacing Expensive Cur-
rent Transformers with Current Shunts
Compatible with Shunt Resistors as
low as 50
Accurate Measurement
22-Bit ADC
On-Chip Power Monitoring
Exceeds IEC 62053/ANSI C12.20
Standards
Galvanic Isolation Through Pulse Trans-
former Provides Power, Bidirectional Data,
and Timing Reference
3.3mW Typical Consumption
On-Chip Power Monitoring
Compatible with 71M654x, ZON M3S/P3S,
and ZON M5S/P5S SoC Families
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)
IA
IA
DC6
DC7
}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
Silergy Corp.
5/2020
1




Silergy

71M6113 Datasheet Preview

71M6113 Datasheet

Isolated Sensor

No Preview Available !

71M6xxx Data Sheet
Rev 6
Table of Contents
1 Hardware Description................................................................................................................. 4
2 Functional Description ............................................................................................................... 4
3 ApplicationS Information ........................................................................................................... 6
3.1 Product Selection ...................................................................................................................... 6
3.2 External Components for the 71M6xxx ................................................................................... 6
3.2.1 Current Sensor Side ........................................................................................................ 6
3.2.2 Pulse Transformer ........................................................................................................... 7
3.3 Connections to Sensors and to the Host SoC ........................................................................ 8
3.4 PCB Layout Considerations ..................................................................................................... 9
3.5 Compatibility with the Host SoC ............................................................................................ 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.................................................................................................... 11
4.4.1 Supply Current ............................................................................................................... 11
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....................................................................................................... 14
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
Silergy Corp.
5/2020
2


Part Number 71M6113
Description Isolated Sensor
Maker Silergy
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71M6113 Datasheet PDF






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