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71M6545HT PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 71M6545HT
기능 Energy Meter ICs
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71M6545HT 데이터시트, 핀배열, 회로
71M6545T/71M6545HT
EVALUATION KIT AVAILABLE
Energy Meter ICs
General Description
The 71M6545T/71M6545HT metrology processors are
based on Maxim Integrated’s 4th-generation metering
architecture supporting the 71M6xxx series of isolated
current sensing products that offer drastic reduction in
component count, immunity to magnetic tampering, and
unparalleled reliability. The 71M6545T/71M6545HT inte-
grate our Single Converter Technology® with a 22-bit
delta sigma ADC, a customizable 32-bit computation
engine (CE) for core metrology functions, as well as a
user-programmable 8051-compatible application proces-
sor (MPU) core with 64KB flash and 5KB RAM.
An external host processor can access metrology func-
tions directly through the SPI interface, or alternatively
through the embedded MPU core in applications requir-
ing metrology data capture, storage, and preprocessing
within the metrology subsystem. In addition, the devices
integrate an RTC, DIO, and UART. A complete array of
ICE and development tools, programming libraries, and
reference designs enable rapid development and certi-
fication of meters that meet all ANSI and IEC electricity
metering standards worldwide.
The 71M6545T/71M6545HT operate over the industrial tem-
perature range and come in a 64-pin lead(Pb)-free package.
Applications
● Three-Phase Residential, Commercial, and Industrial
Energy Meters
Ordering Information and Typical Operating Circuit appear
at end of data sheet.
Benefit and Features
● SoC Integration and Unique Isolation Technique
Reduces BOM Cost Without Sacrificing Performance
• 0.1% Typical Accuracy Over 2000:1 Current
Range
• Exceeds IEC 62053/ANSI C12.20 Standards
• Four-Quadrant Metering
• 46-64Hz Line Frequency Range with the Same
Calibration
• Phase Compensation (±10º)
• Independent 32-Bit Compute Engine
• 64KB Flash, 5KB RAM
• Built-In Flash Security
• SPI Interface to Host with Flash Program
Capability
• Up to Four Pulse Outputs with Pulse Count
• 8-Bit MPU (80515), Up to 5 MIPS (Optional Use)
• Full-Speed MPU Clock in Brownout Mode
• Up to 29 Multifunction DIO Pins
• Hardware Watchdog Timer (WDT)
• UART for AMR or Other Communication Duties
• I2C/MICROWIRE® EEPROM Interface
● Innovative Isolation Technology (Requires
Companion 71M6xxx Sensor, also from Maxim
Integrated) Eliminates Current Transformers
• Four Current Sensor Inputs with Selectable
Differential Mode
• Selectable Gain of 1 or 8 for One Current Input to
Support Neutral Current Shunt
• High-Speed Wh/VARh Pulse Outputs with
Programmable Width
● Digital Temperature Compensation Improves System
Performance
• Metrology Compensation
• Accurate RTC for TOU Functions with Automatic
Temperature Compensation for Crystal in All
Power Modes
● Power Management Extends Battery Life During
Power Outages
• Two Battery-Backup Modes:
Brownout Mode (BRN)
Sleep Mode (SLP)
• Wake-Up on Pin Events and Wake-On Timer
• 1µA in Sleep Mode
Single Converter Technology is a registered trademark of
Maxim Integrated Products, Inc.
MICROWIRE is a registered trademark of National
Semiconductor Corp.
19-6721; Rev 4; 1/15




71M6545HT pdf, 반도체, 판매, 대치품
71M6545T/71M6545HT
Energy Meter ICs
TABLE OF CONTENTS (continued)
Using the 71M6545T/HT with Local Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Using the 71M6545T/HT with Remote Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Metrology Temperature Compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Connecting I2C EEPROMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Connecting Three-Wire EEPROMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
UART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Emulator Port Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
MPU Firmware Library . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Meter Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Firmware Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Overview: Functional Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
I/O RAM Map: Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Reading the Info Page (71M6545HT Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
CE Interface Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
CE Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
CE Data Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Constants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
CE Calculations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
CE Input Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Status and Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Transfer Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Pulse Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
CE Flow Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Package Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Typical Operating Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
www.maximintegrated.com
Maxim Integrated 4

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71M6545HT 전자부품, 판매, 대치품
71M6545T/71M6545HT
Energy Meter ICs
Absolute Maximum Ratings
(All voltages referenced to GNDA.)
DIO Pins
Supplies and Ground Pins
Configured as Digital Inputs.....-10mA to +10mA, -0.5V to +6.0V
VV3P3SYS, VV3P3A................................................-0.5V to +4.6V
VBAT, VBAT_RTC...................................................-0.5V to +4.6V
GNDD....................................................................-0.1V to +0.1V
Configured as Digital Outputs.............-10mA to +10mA, -0.5V to
Digital Pins
(VV3P3D + 0.5V)
Analog Output Pins
Inputs (PB, RESET, RX, ICE_E, TEST)............-10mA to +10mA,
VREF........................-10mA to +10mA, -0.5V to (VV3P3A + 0.5V)
VDD...........................................-10mA to +10mA, -0.5V to +3.0V
VV3P3D.....................................-10mA to +10mA, -0.5V to +4.6V
Analog Input Pins
-0.5V to +6.0V
Outputs (TX)........... -10mA to +10mA, -0.5V to (VV3P3D + 0.5V)
Temperature
Operating Junction Temperature (peak, 100ms).............. +140°C
IADC0-7, VADC8-10............................-10mA to +10mA, -0.5V to
Operating Junction Temperature (continuous)................. +125°C
(VV3P3A + 0.5V)
XIN, XOUT...............................-10mA to +10mA, -0.5V to +3.0V
Storage Temperature......................................... -45°C to +140°C
Lead Temperature (soldering, 10s).................................. +300°C
Soldering Temperature (reflow)........................................+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Electrical Characteristics
(Limits are production tested at TA = +25ºC. Limits over the operating temperature range and relevant supply voltage range are guar-
anteed by design and characterization.)
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
RECOMMENDED OPERATING CONDITIONS
VV3P3SYS and VV3P3A Supply
Voltage
Precision metering operation
3.0 3.6 V
VBAT
PLL_FAST = 1
PLL_FAST = 0
2.65
2.40
3.8
V
3.8
VBAT_RTC
Operating Temperature
2.0 3.8 V
-40 +85 °C
INPUT LOGIC LEVELS
Digital High-Level Input Voltage
(VIH)
Digital Low-Level Input Voltage
(VIL)
Input Pullup Current, (IIL) E_
RTXT, E_RST, E_TCLK
2V
0.8 V
10 100 µA
Input Pullup Current, (IIL) OPT_
RX, OPT_TX
10 100 µA
Input Pullup Current, (IIL) SPI_
CSZ (SEGDIO36)
10 100 µA
Input Pullup Current, (IIL) Other
Digital Inputs
-1 +1 µA
Input Pulldown Current (IIH),
ICE_E, RESET, TEST
10 100 µA
Input Pulldown Current, (IIH)
Other Digital Inputs
-1 +1 µA
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휴대전화 : 010-3582-2743


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