90E24PYGI datasheet, PDF - EEWORLD Datasheet

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90E24PYGI: DescriptionSPECIALTY ANALOG CIRCUIT, PDSO28; Categoryaccessories; File Size711KB，57 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/

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SPECIALTY ANALOG CIRCUIT, PDSO28

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Single-Phase High-Performance

Wide-Span Energy Metering IC

90E21/22/23/24

Version 6

January 10, 2012

6024 Silver Creek Valley Road, San Jose, CA 95138

Printed in U.S.A.

Table of Contents

FEATURES .............................................................................................................................................................................. 6

APPLICATION ......................................................................................................................................................................... 6

DESCRIPTION......................................................................................................................................................................... 6

BLOCK DIAGRAM .................................................................................................................................................................. 7

1 PIN ASSIGNMENT ............................................................................................................................................................. 9

2 PIN DESCRIPTION .......................................................................................................................................................... 10

3 FUNCTIONAL DESCRIPTION ......................................................................................................................................... 12

3.1

3.2

3.3

3.4

3.5

3.6

3.7

4.1

DYNAMIC METERING RANGE .................................................................................................................................................................... 12

STARTUP AND NO-LOAD POWER ............................................................................................................................................................. 12

ENERGY REGISTERS .................................................................................................................................................................................. 12

N LINE METERING AND ANTI-TAMPERING .............................................................................................................................................. 13

3.4.1 Metering Mode and L/N Line Current Sampling Gain Configuration ......................................................................................... 13

3.4.2 Anti-Tampering Mode .................................................................................................................................................................... 13

MEASUREMENT AND ZERO-CROSSING ................................................................................................................................................... 14

3.5.1 Measurement .................................................................................................................................................................................. 14

3.5.2 Zero-Crossing ................................................................................................................................................................................. 14

CALIBRATION .............................................................................................................................................................................................. 15

RESET ........................................................................................................................................................................................................... 15

SERIAL PERIPHERAL INTERFACE (SPI) ................................................................................................................................................... 16

4.1.1 Four-Wire Mode .............................................................................................................................................................................. 16

4.1.2 Three-Wire Mode ............................................................................................................................................................................ 17

4.1.3 Timeout and Protection ................................................................................................................................................................. 18

WARNOUT PIN FOR FATAL ERROR WARNING ....................................................................................................................................... 18

LOW COST IMPLEMENTATION IN ISOLATION WITH MCU ...................................................................................................................... 18

REGISTER LIST ............................................................................................................................................................................................ 19

STATUS AND SPECIAL REGISTER ............................................................................................................................................................ 21

METERING/ MEASUREMENT CALIBRATION AND CONFIGURATION .................................................................................................... 25

5.3.1 Metering Calibration and Configuration Register ....................................................................................................................... 25

5.3.2 Measurement Calibration Register ............................................................................................................................................... 32

ENERGY REGISTER .................................................................................................................................................................................... 37

MEASUREMENT REGISTER ....................................................................................................................................................................... 41

ELECTRICAL SPECIFICATION ................................................................................................................................................................... 48

SPI INTERFACE TIMING .............................................................................................................................................................................. 50

POWER ON RESET TIMING ........................................................................................................................................................................ 51

ZERO-CROSSING TIMING ........................................................................................................................................................................... 51

VOLTAGE SAG TIMING ............................................................................................................................................................................... 52

PULSE OUTPUT ........................................................................................................................................................................................... 52

ABSOLUTE MAXIMUM RATING .................................................................................................................................................................. 53

4 INTERFACE ..................................................................................................................................................................... 16

4.2

4.3

5.1

5.2

5.3

5.4

5.5

5 REGISTER ........................................................................................................................................................................ 19

6 ELECTRICAL SPECIFICATION ....................................................................................................................................... 48

6.1

6.2

6.3

6.4

6.5

6.6

6.7

PACKAGE DIMENSIONS...................................................................................................................................................... 54

ORDERING INFORMATION.................................................................................................................................................. 57

Table of Contents

January 10, 2012

List of Tables

Table-1

Table-2

Table-3

Table-4

Table-5

Table-6

Table-7

Table-8

Table-9

Table-10

Table-11

Table-12

Table-13

Table-14

Table-15

Function List ................................................................................................................................................................................................... 6

Pin Description ............................................................................................................................................................................................. 10

Active Energy Metering Error ....................................................................................................................................................................... 12

Reactive Energy Metering Error ................................................................................................................................................................... 12

Threshold Configuration for Startup and No-Load Power ............................................................................................................................ 12

Energy Registers ......................................................................................................................................................................................... 12

Metering Mode ............................................................................................................................................................................................. 13

The Measurement Format ........................................................................................................................................................................... 14

Read / Write Result in Four-Wire Mode ....................................................................................................................................................... 18

Read / Write Result in Three-Wire Mode ..................................................................................................................................................... 18

Register List ................................................................................................................................................................................................. 19

SPI Timing Specification .............................................................................................................................................................................. 50

Power On Reset Specification ..................................................................................................................................................................... 51

Zero-Crossing Specification ......................................................................................................................................................................... 52

Voltage Sag Specification ............................................................................................................................................................................ 52

List of Tables

January 10, 2012

List of Figures

Figure-1

Figure-2

Figure-3

Figure-4

Figure-5

Figure-6

Figure-7

Figure-8

Figure-9

Figure-10

Figure-11

Figure-12

Figure-13

Figure-14

Figure-15

90E21 Block Diagram .................................................................................................................................................................................... 7

90E22 Block Diagram .................................................................................................................................................................................... 7

90E23 Block Diagram .................................................................................................................................................................................... 8

90E24 Block Diagram .................................................................................................................................................................................... 8

Pin Assignment (Top View) ............................................................................................................................................................................ 9

Read Sequence in Four-Wire Mode ............................................................................................................................................................ 16

Write Sequence in Four-Wire Mode ............................................................................................................................................................. 16

Read Sequence in Three-Wire Mode .......................................................................................................................................................... 17

Write Sequence in Three-Wire Mode ........................................................................................................................................................... 17

4-Wire SPI Timing Diagram ......................................................................................................................................................................... 50

3-Wire SPI Timing Diagram ......................................................................................................................................................................... 50

Power On Reset Timing Diagram ................................................................................................................................................................ 51

Zero-Crossing Timing Diagram ................................................................................................................................................................... 51

Voltage Sag Timing Diagram ...................................................................................................................................................................... 52

Output Pulse Width ..................................................................................................................................................................................... 52

List of Figures

January 10, 2012

90E24PYGI Related Products

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Description	SPECIALTY ANALOG CIRCUIT, PDSO28	SPECIALTY ANALOG CIRCUIT, PDSO28	SPECIALTY ANALOG CIRCUIT, PDSO28	SPECIALTY ANALOG CIRCUIT, PDSO28	SPECIALTY ANALOG CIRCUIT, PDSO28

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